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PAW3602DH
PAW3602DH CMOS LASER MOUSE SENSOR General Description
PAW3602DH is a CMOS laser mouse sensor with DSP integration chip that serves as a non-mechanical motion estimation engine for implementing a computer mouse. Features Single power supply Precise laser motion estimation technology Complete 2-D motion sensor No mechanical parts System Clock 27 MHz 28+ inches/sec 20g 800/1600cpi 6600 frames/sec 17 mA @Mouse moving (Normal) 5 mA @Mouse not moving (Sleep) 200 uA @Shutdown mode Shrunk DIP20 Power Supply 4.25V ~ 5.5V (VDD) 3.0V~3.6V (VDDD, VDDA) Key Specification
Accurate motion estimation over most of Speed surfaces High speed motion detection up to 28 Acceleration inches/sec and acceleration can be up to 20g High resolution up to 1600cpi Power down pin and register setting for low power dissipation Resolution
Frame Rate Power saving mode during times of no movement Operating Serial Interface for programming and data Current (Sensor + LD) transfer Low power for wireless application Eye safety protection circuit Package
Ordering Information Order number PAW3602DH I/O CMOS output Resolution 800/1600 cpi
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1. Pin Description
Pin No. Name 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 LD_P LD_N OSCOUT OSCIN VDDD VSSD VSSA VDD VDDA LDRES YA YB XA XB CPI LDTEST NC SCLK SDIO PD Type PWR PWR OUT IN PWR GND GND PWR PWR IN I/O I/O I/O OUT IN IN IN I/O IN Definition LD control LD control Resonator output Resonator input Chip digital power, 3.3V Chip digital ground Chip analog ground Chip power, 5V power supply Chip analog power, 3.3V Connect to resistor input LD BIST mode input / YA quadrature output LD BIST mode input / YB quadrature output LD BIST mode input / XA quadrature output LD BIST mode fail output / XB quadrature output CPI select pin Pull-high to VDD: 800 cpi (Default) Pull-down to GND: 1600 cpi LD test pin Floating (Chip internal pull-down): Disable LD test mode Pull-high (3.3V ONLY) : Enable LD test mode No connection Serial interface clock Serial interface bi-direction data Power down pin, active high
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2. Block Diagram and Operation
The PAW3602DH is a high performance CMOS laser mouse sensor with DSP integration chip that serves as a nonmechanical motion estimation engine for implementing a computer mouse. It is based on new laser speckle navigation technology. In the laser mouse, it uses laser diode (LD), specially uses VCSEL (Vertical Cavity Surface Emitting Laser) as light source, where laser is one kind of coherent light. When this light illuminates on the working surface, the surface will reflect and diffuse the incident light and generates speckle pattern. The imaging sensor in the laser mouse chip detects the speckle pattern that generated from the working surface and determines the movement and direction. Since the speckle pattern can be generated on the most of the surface if this surface is not perfect smooth or transparent, the laser mouse can adapt on more surfaces as compared with traditional LED-based optical mouse. The PAW3602DH has an extra function, eye safety protection circuit. The embedded eye safety protection circuit will detect if LD_P pin is short to power, if LD_N pin is short to ground, or if LD_RES pin is short to ground to be a large LD power. And this will protect users from eye injured for large LD power. This mouse sensor is in a 20-pin optical package. The output format is two-channel quadrature (X and Y direction), which emulates encoder phototransistors. The current X and Y information are also available in registers accessed via a serial port. The word "mouse sensor," instead of PAW3602DH, is used in the document.
QUADRATURE OUTPUT
Figure 3. Block Diagram
VOLTAGE REGULATOR AND POWER CONTROL
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3. Registers and Operation
The mouse sensor can be programmed through registers, via the serial port, and DSP configuration and motion data can be read from these registers. All registers not listed are reserved, and should never be written by firmware.
3.1 Registers
Address 0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07 Name Product_ID Product_ID Motion_Status Delta_X Delta_Y Operation_Mode Configuration Image_Quality R/W R R R R R R/W R/W R Default 0x30 0x3N Data Type Eight bits [11:4] number with the product identifier Four bits [3:0] number with the product identifier Reserved [3:0] number is reserved for further Bit field Eight bits 2's complement number Eight bits 2's complement number Bit field Bit field Bit field
3.2 Register Descriptions
0x00 Bit Field Usage 0x01 Bit Field Usage 7 6 PID[3:0] 5 7 6 5 Product_ID 4 PID[11:4] The value in this register can't change. It can be used to verify that the serial communications link is OK. Product_ID 4 3 2 1 0 Reserved [3:0] 3 2 1 0
The value in this register can't change. PID[3:0] can be used to verify that the serial communications link is OK. Reserved[3:0] is a value between 0x0 and 0xF, it can't be used to verify that the serial communication.
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0x02 Bit Field Usage 7 Motion 6 5 Reserved[3:2] Motion_Status 4 DYOVF 3 DXOVF 2 1 0 RES Reserved[1:0]
CMOS Laser Mouse Sensor
Register 0x02 allows the user to determine if motion has occurred since the last time it was read. If so, then the user should read registers 0x03 and 0x04 to get the accumulated motion. It also tells if the motion buffers have overflowed since the last reading. The current resolution is also shown. Reading this register freezes the Delta_X and Delta_Y register values. Read this register before reading the Delta_X and Delta_Y registers. If Delta_X and Delta_Y are not read before the motion register is read a second time, the data in Delta_X and Delta_Y will be lost.
Notes
Field Name Motion Reserved[3:2] DYOVF
Description Motion since last report or PD 0 = No motion (Default) 1 = Motion occurred, data ready for reading in Delta_X and Delta_Y registers Reserved for future Motion Delta Y overflow, Y buffer has overflowed since last report 0 = No overflow (Default) 1 = Overflow has occurred Motion Delta X overflow, X buffer has overflowed since last report 0 = No overflow (Default) 1 = Overflow has occurred Reserved for future Resolution in counts per inch 0 = 1600 1 = 800 Delta_X
DXOVF Reserved[1:0] RES
0x03 Bit Field Usage 0x04 Bit Field Usage 7 Y7 6 Y6 5 Y5 4 Y4 7 X7 6 X6 5 X5 4 X4
3 X3
2 X2
1 X1
0 X0
X movement is counts since last report. Absolute value is determined by resolution. Reading clears the register. Report range -128~+127. Delta_Y 3 Y3 2 Y2 1 Y1 0 Y0
Y movement is counts since last report. Absolute value is determined by resolution. Reading clears the register. Report range -128~+127.
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0x05 Bit Field Usage 7 6 5 Operation_Mode 4 3 2 1 0 LDsht_enh XY_enh Reserved Slp_enh Slp2au Slp2mu Slp1mu Wakeup Register 0x05 allows the user to change the operation of the sensor. Shown below are the bits, their default values, and optional values. Operation_Mode[4:0] "0xxxx"=Disable sleep mode "10xxx"=Enable sleep mode1 "11xxx"=Enable sleep mode2 "1x100"=Force enter sleep23 "1x010"=Force enter sleep13 "1x001"=Force wakeup from sleep mode3 Notes: 1. Enable sleep mode, but disable automatic entering sleep2 mode, that is, only 2 modes will be used, normal mode and sleep1 mode. After 0.45 sec not moving during normal mode, the chip will enter sleep1 mode, and keep on sleep1 mode until moving is detected or wakeup is asserted. 2. Enable sleep mode full function, that is 3 modes will be used, normal mode, sleep1 mode and sleep2 mode. After 0.45 sec not moving during normal mode, chip will enter sleep1 mode, and keep on sleep1 mode until moving is detected or wakeup is asserted. And after 27.3 sec not moving during sleep1 mode, the chip will enter sleep2 mode, and keep on sleep2 mode until detect moving or force wakeup to normal mode. 3. Only one of these three bits slp2mu_enh, slp1mu_enh, and wakeup can be set to 1 at the same time, others have to be set to 0. After a period of time, the bits, which was set to 1, will be reset to 0 by internal signal. Notes Field Name LDsht_enh XY_enh Reserved Slp_enh Slp2au Slp2mu Slp1mu Wakeup Description LD shutter enable / disable 0 = Disable 1 = Enable (Default) XY quadrature output enable/disable 0 = Disable 1 = Enable (Default) Reserved for future. Must be written to zero Sleep mode enable/disable 0 = Disable 1 = Enable (Default) Automatic enter sleep2 mode enable/disable 0 = Disable (Default) 1 = Enable Manual enter sleep2 mode, set "1" will enter sleep2 and this bit will be reset to "0" Manual enter sleep1 mode, set "1" will enter sleep2 and this bit will be reset to "0" Manual wake up from sleep mode, set "1" will enter wakeup and this bit will be reset to "0"
CMOS Laser Mouse Sensor
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0x06 Bit Field Usage Notes 7 Reset 6 5 Reserved[3:2] Configuration 4 3 PD 2 1 0 RES Reserved[1:0]
CMOS Laser Mouse Sensor
The Configuration register allows the user to change the configuration of the sensor. Shown below are the bits, their default values, and optional values. Field Name Reset Reserved[3:2] PD Reserved[1:0] Description Reset full chip 0 = Normal operation (Default) 1 = Reset the fully chip Reserved for future. Must be written to "00" Power down mode 0 = Normal operation (Default) 1 = Power down mode Reserved for future. Must be written to "00" Output resolution setting. In the power-on initial state, the resolution is depend on the CPI IO trap select pin. If MCU write the register, it is depend on the register value. 0 = 1600 1 = 800 Image_Quality 7 6 5 4 3 Imgqa[7:0] Image Quality is a quality level of the sensor in the current frame. Report range 0~255. The minimum level for normally working is 45. Field Name Imgqa[7:0] Description Image quality report range: 0(worst) ~ 255(best). 2 1 0
RES
0x07 Bit Field Usage Notes
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4. LD BIST (Built in Self Test) Mode
The mouse sensor can be performed the LD driver error detection function by manufactures to fit the LD power in eye safety rule. LD BIST mode is enabled by pull-high (3.3V ONLY) the LDTEST pin. Once LDTEST pin is pulled high, the XA, YB, YA pin are changed to be input pin and become the LD test mode input [XA ,YB ,YA] , XA is MSB and YA is LSB. At this moment, XB is also changed to LD test fail output.
Pin Name LDTEST
Description LD Test Mode disable/enable 0 = Disable (Default) 1 = Enable " 000 " = Mode 0, Measure LD power, BIST if eye safety error detection function is fail in normal mode " 001 " = Mode 1, BIST if LD_P error detection function is fail " 010 " = Mode 2, BIST if LD_N error detection function is fail " 011 " = Mode 3, BIST if LDRES pin is short to GND 0 = PASS 1 = FAIL
[XA , YB , YA]
XB
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5. Specifications 5.1 Absolute Maximum Ratings
Stresses above those listed under "Absolute Maximum Rating" may cause permanent damage to the device. These are stress ratings only. Functional operation of this device at these or any other conditions above those indicated in the operational sections of this specification is not implied and exposure to absolute maximum rating conditions for extended periods may affect device reliability. Symbol Parameter TSTG TA VDC VIN Storage Temperature Operating Temperature DC Supply Voltage DC Input Voltage Lead Solder Temp ESD Min -40 -15 Max 85 55 Unit C C V V V C All I/O pin except LDTEST pin (LDTEST high is 3.3V only) For 10 seconds, 1.6mm below seating plane. Notes
-0.5 Vdd1 + 0.3 -0.5 Vdd2 + 0.5 -0.5 VDC 260 2
kV All pins, human body model MIL 883 Method 3015
5.2 Recommend Operating Condition
Symbol Parameter TA Vdd1 Vdd2 VN Z R SCLK FCLK FR S Operating Temperature Power Supply Voltage Supply Noise Distance from Lens Reference Plane to Surface Resolution Serial Port Clock Frequency Clock Frequency Frame Rate Speed 27 6600 28 2.3 2.4 800 Min. 0 3.0 4.25 3.3 5 Typ. Max. 40 3.6 5.5 80 2.5 1600 10 Unit C V mV mm CPI MHz MHz frames/s inches/s VDDD, VDDA short VDD Peak to peak within 0 - 80 MHz Notes
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5.3 AC Operating Condition
Electrical Characteristics over recommended operating conditions. Typical values at 25 C, Vdd1 = 3.3 V, FCLK = 27 MHz. Symbol Parameter tPDR tPD tPDW PD Pulse Register Power Down PD Pulse Width 700 500 Min. Typ. Max. Unit 152 us us us Notes One frame time maximum after setting PD_enh bit in the Configuration register @6600frame/sec (refer to Figure 14). From PD (refer to Figure 10) Pulse width to reset the serial interface (refer to Figure 10).
tPUPD
Power Up from PD
8
14.5
From PD to valid quad signals. After tPUPD, all registers contain valid data from first image after PD. Note that an additional 90 frames for ms Auto-Exposure (AE) stabilization may be required if mouse movement occurred while PD was high (refer to Figure 10). ms us us From VDD to valid quad signals. 500usec + 90 frames. Minimum hold time for valid data (refer to Figure 9). @6600 frame/sec (refer to Figure 11)
tPU tHOLD
Power Up from VDD SDIO Read Hold Time
8 3 1 1.7 35, 25 30, 25 80, 30
14.5
tRESYNC Serial Interface RESYNC. tSIWTT tr,tf tr,tf tr,tf Serial Interface Watchdog Timer Timeout Rise and Fall Times: SDIO Rise and Fall Times: XA, XB, YA, YB Rise and Fall Times: ILD
ms @6600 frame/sec (refer to Figure 11) ns ns ns CL = 30 pF CL = 30 pF LD bin grade: P64; R1 = 13.2 Kohm
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5.4 DC Operating Condition
Electrical Characteristics over recommended operating conditions. Typical values at 25 C, Vdd1 = 3.3 V, FCLK = 27 MHz. Symbol Parameter Type: PWR IDD IDD IDDPD Supply Current Mouse moving (Normal) Supply Current Mouse not moving (sleep1) Supply Current (Power Down) 17 5 200 mA Sensor + LD mA Sensor + LD uA PD, SCLK, SDIO = high Sensor + LD Min. Typ. Max. Unit Notes
Type: SCLK, SDIO, PD VIH VIL VOH VOL VIH VIL VOH VOL Input voltage HIGH Input voltage LOW Output voltage HIGH Output voltage LOW Input voltage HIGH Input voltage LOW Output voltage HIGH Output voltage LOW 2.4 0.6 2.0 0.7 2.4 0.6 2.0 0.7 V V V V V V V @I OH = 2mA @I OL = 2mA @I OH = 2mA (SDIO only) @I OL = 2mA (SDIO only)
Type: LDTEST
Type: XA, XB, YA, YB
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6. Quadrature Mode
The quadrature state of the mouse sensor tells mouse controller which direction the mouse is moving in. The output format is two channels quadrature (X and Y direction), which emulates encoder phototransistors. The DSP generates the x and y relative displacement values that are converted into two channel quadrature signals. The following diagrams show the timing for positive X motion, to the right or positive Y motion, up.
6.1 Quadrature Output Timing
X motion to the right Y motion up XA/YA
FOUR
XB/YB
38us
38us
38us
38us
XA/YA
THREE
XB/YB
38us
38us
76us
XA/YA
TWO
XB/YB
38us
114us
XA/YA
ONE
XB/YB
152us
152us @ 6600frames/second
Figure 4. Quadrature output timing
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6.2 Quadrature Output State Machine
The following state machine shows the states of the quadrature output pins. The three things to note are that state 0 is entered after a power on reset. While the PD pin is asserted, the state machine is halted. Once PD is deasserted, the state machine picks up from where it left off. During times of mouse no movement will entry power saving mode, until mouse was moved.
PD POWER ON RESET STATE 0 (0,0)
CT IO N + T EC IR D
IR E D
IO N
T EC IR -D
N IO
-D IR EC T
+
X/Y output STATE XA/YA XB/YB 0 PD 1 2 3 0 1 1 1 1 0 0 0
N IO
PD
STATE 1 (0,1)
TI O N
STATE 3 (1,0)
-D IR EC
-D E IR
STATE 2 (1,1) PD
Figure 5. State machine
6.3 Quadrature Output Waveform
The following diagrams show the waveform of the two channel quadrature outputs. If the X, Y is motionless, the (XA, XB), (YA, YB) will keep in final state. Each state change (ex. STATE2 STATE3) is one count.
XA/YA X MOTION TO THE RIGHT Y MOTION UP ( + DIRECTION )
XB/YB STATE3 (1,0) STATE0 (0,0) STATE1 (0,1) STATE2 (1,1) STATE3 (1,0) STATE0 (0,0)
+1
+1
+1
+
D IR E
+1
CT IO N
+ EC IR D
IO CT N
N O TI
+1
MOTION COUNT
XA/YA
X MOTION TO THE LEFT Y MOTION DOWN ( - DIRECTION )
XB/YB STATE1 (0,1) STATE0 (0,0) STATE3 (1,0) STATE2 (1,1) STATE1 (0,1) STATE0 (0,0)
-1
-1
-1
-1
-1
MOTION COUNT
Figure 6. Quadrature output waveform
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7. Serial Interface
The synchronous serial port is used to set and read parameters in the mouse sensor, and can be used to read out the motion information instead of the quadrature data pins. SCLK: The serial clock line. It is always generated by the host micro-controller. SDIO: The serial data line used for write and read data. PD: A third line is sometimes involved. PD (Power Down pin) is usually used to place the mouse sensor in a low power mode to meet USB suspend specification. PD can also be used to force re-synchronization between the micro-controller and the mouse sensor in case of an error.
7.1 Transmission Protocol
The transmission protocol is a two-wire link, half duplex protocol between the micro-controller and mouse sensor. All data changes on SDIO are initiated by the falling edge on SCLK. The host micro-controller always initiates communication; the mouse sensor never initiates data transfers. The transmission protocol consists of the two operation modes: - Write Operation. - Read Operation. Both of the two operation modes consist of two bytes. The first byte contains the address (seven bits) and has a bit7 as its MSB to indicate data direction. The second byte contains the data.
FIRST BYTE R /W (1 BIT) ADDRESS (7 BIT) SECOND BYTE DATA (8 BIT)
MSB
LSB
MSB
LSB
Figure 7. Transmission protocol
7.1.1 Write Operation
A write operation, which means that data is going from the micro-controller to the mouse sensor, is always initiated by the micro-controller and consists of two bytes. The first byte contains the address (seven bits) and has a "1" as its MSB to indicate data direction. The second byte contains the data. The transfer is synchronized by SCLK. The micro-controller changes SDIO on falling edges of SCLK. The mouse sensor reads SDIO on rising edges of SCLK.
SCLK SDIO
DON'T CARE
1 1
2 A6
3 A5
4 A4
5 A3
6 A2
7 A1
8 A0
9 D7
10 D6
11 D5
12 D4
13 D3
14 D2
15 D1
16 D0
DON'T CARE
SDIO driven by Micro-controller
Figure 8. Write operation
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7.1.2 Read Operation
A read operation, which means that data is going from the mouse sensor to the mouse controller, is always initiated by the mouse controller and consists of two bytes. The first byte contains the address, is written by the mouse controller, and has a "0" as its MSB to indicate data direction. The second byte contains the data and is driven by the mouse sensor. The transfer is synchronized by SCLK. SDIO is changed on falling edges of SCLK and read on every rising edge of SCLK. The mouse controller must go to a high Z state after the last address data bit. The mouse sensor will go to the high Z state after the last data bit.
SCLK S D IO
D O N 'T CARE
1 0
2 A6
3 A5
4 A4
5 A3
6 A2
7 A1
8
H i-Z
9 D7
10 D6
11 D5
12 D4
13 D3
14 D2
15 D1
16 D0
H i-Z _ R /W b it o f n ex t ad d ress
A0
S D IO d riven b y th e m ou se con troller N o te "A "
S D IO d riv en b y th e m ou se senso r N o te "B "
N o te "A " 1. T he m ou se co ntroller send s add ress to the m o use sen so r. 2. T he m ou se co ntroller releases an d set S D IO to H i-Z after th e last ad dress bit. SCLK S D IO 7 A1 A0 tH O L D 3u s,m in N o te "B " 1. T he m o use sen so r sen ds data to th e m ou se con tro ller . 2. T he m o use sen so r releases and set S D IO to H i-Z after th e last data bit. SCLK S D IO 16 H i-Z D0 8 H i-Z D7 9
_
1
R /W b it of n ex t ad dress S D IO driven b y the m ou se co ntroller
Figure 9. Read Operation
7.2 Re-Synchronous Serial Interface
If the mouse controller and the mouse sensor get out of synchronization, then the data either written or read from the registers will be incorrect. There are two different ways for re-synchronous serial interface. Re-synchronous serial interface using PD pin (see Section 7.2.1) Re-synchronous serial interface using watchdog timer timeout (see Section 7.2.2) Note that "watchdog timer timeout" (see Section 7.2.2) function is disabled when the mouse sensor is in the power down mode. If the user uses this function during the power down mode, it will get out of synchronization. The mouse sensor and the mouse controller also might get out of synchronization due to following conditions. Power On Problem - The problem occurs if the mouse sensor powers up before the mouse controller sets the SCLK and SDIO lines to be output. The mouse sensor and the mouse controller might get out of synchronization due to power on problem. An easy way to solve this is to raise PD pin (see Section 7.2.1) or use watchdog timer timeout (see Section 7.2.2) for re-synchronous serial interface. ESD Events - The mouse sensor and the mouse controller might get out of synchronization due to ESD events. An easy way to solve this is to raise PD pin (see Section 7.2.1) or use watchdog timer timeout (see Section 7.2.2) for re-synchronous serial interface. USB suspend - Termination of a transmission by the mouse controller may be required sometimes (for example, due to a USB suspend interrupt during a read operation). An easy way to solve this is to raise PD pin (see Section 7.2.1) or use watchdog timer timeout (see Section 7.2.2) for re-synchronous serial interface.
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7.2.1 Re-Synchronous Serial Interface Using PD Pin
The mouse controller raises PD line to reach re-synchronous serial interface after an incorrect read. The mouse sensor will reset the serial port but will not reset the registers and be prepared for the beginning of a new transmission. Note that using "PD pin" to reach re-synchronous is quicker than using "watchdog timer timeout".
PD SCLK SDIO Hi-Z 1us,min
1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6
ADDRESS(R/W)
DATA
Figure 10. Re-synchronous Serial Interface Using PD Pin
7.2.2 Re-Synchronous Serial Interface Using Watchdog Timer Timeout
The mouse controller can toggle the SCLK line from high to low to high and wait at least tSIWTT to reach resynchronous serial interface after an incorrect read. The mouse sensor will reset the serial port but will not reset the registers and be prepared for the beginning of a new transmission.
t S IW T T SCLK tR E S Y N C 1 u s , m in S D IO
1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6
H i-Z
A D D R E S S (R /W ) DATA
Figure 11. Re-synchronous Serial Interface Using Watchdog Timer Timeout
7.3 Collision Detection on SDIO
The only time that the mouse sensor drives the SDIO line is during a READ operation. To avoid data collisions, the micro-controller should release SDIO before the falling edge of SCLK after the last address bit. The mouse sensor begins to drive SDIO after the next falling edge of SCLK. The mouse sensor release SDIO of the rising SCLK edge after the last data bit. The micro-controller can begin driving SDIO any time after that. In order to maintain low power consumption in normal operation or when the PD pin is pulled high, the micro-controller should not leave SDIO floating until the next transmission (although that will not cause any communication difficulties).
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7.4 Power Down Mode
There are two different ways to entry power down mode, using the PD line or register setting.
7.4.1 PD Line Power Down Mode
To place the mouse sensor in a low power mode to meet USB suspend specification, raise the PD line at least 700us. Then PD line can stay high, with the mouse sensor in the shutdown state, or the PD pin can be lowered, returning the mouse sensor to normal operation.
PD IDD tPD 500us
tPDW 700us,min
500us
90frames tPUPD 14.15ms
Figure 12. Power down minimum pulse width
PD SCLK SDIO
tPDW 700us,min
1 2 3 4 5 6 7 89 1 0 1 1 1 2 1 3 1 4 11 56
Hi-Z
ADDRESS(R/W)
DATA
Figure 13. PD line power down mode
7.4.2 Register Power Down Mode
The mouse sensor can be placed in a power down mode by setting PD_enh bit in the configuration register via a serial port write operation. After setting the configuration register, wait at least 1frame times. To get the chip out of the power down mode, clear PD_enh bit in the configuration register via a serial port write operation. In the power down mode, the serial interface watchdog timer is not available (see Section 7.2.2). But, the serial interface still can read/write normally. For an accurate report after leave the power down mode, wait about 3ms before the mouse controller is able to issue any write/read operation to the mouse sensor.
SCLK
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4
1 5
1 6
Address = 0x06
1 0 0 0 0 1 1 0 0 0
Data = 0x08
0 0 1 0 0 0
1 frame, max
SDIO IDD tPDR
Figure 14. Power-down Configuration Register Writing Operation
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7.4.3 Register Power Down Mode
The mouse sensor can be placed in a power-down mode by setting bit 3 in the configuration register via a serial port write operation. After setting the configuration register, wait at least 1frame times. To get the chip out of the power-down mode, clear bit 3 in the configuration register via a serial port write operation. In power-down mode, the serial interface watchdog timer is not available. But, The serial interface still can read/write normally. For an accurate report after leave power down mode, wait about 3ms before the micro-controller is able to issue any write/read operation to the mouse sensor.
SCLK
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4
1 5
1 6
Address=0x06
1 0 0 0 0 1 1 0 0 0
Data=0x08
0 0 1 0 0 0
1 frame, max
SDIO IDD tPDR
Figure 15. Power-down configuration register writing operation
7.5 Error Detection
1. The micro-controller can verify success of write operations by issuing a read command to the same address and comparing written data to read data. 2. The micro-controller can verify the synchronization of the serial port by periodically reading the product ID register
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8. Referencing Application Circuit 8.1 Typical Application using Serial Interface for Full Speed USB Wire Mouse
VDD SCANIN0 SCANIN1 SCANIN2
R25 100R R2 100K LB1 R3 100K RB1 R4 100K MB1 LED1 400CPI BB1 FB1 DPI-1 LED2 800CPI W-(<--)1 W+(-->)1 DPI+1 LED3 1600CPI C1 47uF 1
VCC_5V
VCC_5V
U1 ELM9833 2
VCC_3.3V
GND
VIN
VOUT
SCANOUT0
C2 47uF
SCANOUT1
SCANOUT2
U2
SCANOUT2
1 SCANOUT2 SPWR VD1 9 15
R5 R6 1K
1K
VCC_5V
NCS
DIR1 1N4148 D1 1N4148
Q1 2N3906
SDIO SCLK
SCLK SDIO
R8 100R SCANIN0 SCANOUT1 SCANIN2 SCANOUT0 SCANIN1
4 8 2 5 6 7 24 21 3
SCLK SDIO SCANIN0 SCANOUT1 SCANIN2 SCANOUT0 SCANIN1 Z1 Z2 RESET 10 NCS VDDA VDD VPP VD2 D+ D23 14 17 18 22 12 13
R7 NCS
0R
3
VDD
KEY 1 100K
C4 0.1uF
C3
+
100uF
D2
D3
USB_5V
D4
1N4148
JP1
1 2 3 4 5 V D+ DG S
1N4148 1N4148
R9 R10 D5 D6
+
12R 12R
ENSW1
COM
Z1 Z2
ENCODER
C6
10pF
20
C5 10uF
C7 0.1uF
R11
C8 15P
R12
C9 15P L1
OSCO VSSA 11 16 1N4148 1N4148
USB
X1 48MHz R13 L2 2uF
240K
240K
C10 10pF C11 1nF
100R
19
BEAD
OSCI
VSS
MosArt MA6721 MA6721 DIR SETTING U3
VCC_5V
DIR1 OPEN ON
SENSOR DIRECTION 0 DEGREE 90 DEGREE
D7 LD
1 2 3 4 5 6 7 8 9 10
LD_P LD_N OSCOUT OSCIN VDDD VSSD VSSA VDD VDDA LDRES
PD SDIO SCLK NC LDTEST CPI XB XA YB YA
20 19 18 17 16 15 14 13 12 11
SDIO SCLK
MA6721 KEY SETTING
CPI1 OPEN / 0R
*C12 OPEN
X2 27.000MHz
KEY1 ON OPEN
KEY SETTING 3 Key 5 Key
*C13 OPEN C14 1uF
1
*TP1 TEST POINT
MA6721 PCB LAYOUT NOTE
Please placement the C1, C2 near the PIN17(VDD).
R20
0R
1 1
VCC_5V
*TP2 TEST POINT *TP3 TEST POINT
PAN3602 CPI SETTING
CPI2 OPEN 0R CPI1 0R OPEN Resolution 800 CPI 1600 CPI
1 *TP4 TEST POINT 1
C15
+
C16 0.1uF
C17 1uF R1
*TP5 TEST POINT
10uF
PAW3602DH
PAW3602 RESERVED FUNCTION
CPI2 0R / OPEN
*TP1, *TP2, *TP3, *TP4, *TP5 => Please reserved for PAW3602 eye safety test *C12, *C13 => Please reserved for future use
Note: The suggested resistor tolerance is 1% precise resistor for R1
Figure 16. Application Circuit Using Serial Interface with MosArt MA6721 (Full Speed USB)
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8.2 Typical Application using Serial Interface for Low Speed USB Wire Mouse
U2 1 SCLK 2 SDIO PD BM BR BL Z2 Z1 3 4 5 6 7 8 9 VCC_5V 18 17 16 15 14 13 12 11 10 DD+ 0.1uF DC2
+
P1.3 P1.4 P1.5 P1.6 P1.7 P0.7 P0.6 P0.5 P0.4
P1.2/VREG VCC P1.1/DP1.0/D+ VSS P0.1 P0.1 P0.2 P0.3
VCC_5V CON1 U3 2 C10 22uF 1 ELM9833
VCC_3.3V
C3
22uF GND
GND
D+
HEADER 4
1 2 3 4
VIN
VOUT
3 C11 22uF
+
+
CY7C63813-PXC
U1
D1 LD *C1 OPEN 1 2 3 4 5
+
VCC_5V
LD_P LD_N OSCOUT OSCIN VDDD VSSD VSSA VDD VDDA LDRES
PAW3602DH
PD SDIO SCLK NC LDTEST CPI XB XA YB YA
20 19 18 17 16 15 14 13 12 11
PD SDIO SCLK
CPI1 OPEN / 0R BR SW1 BM SW2 BL R8 SW3 R M L
X1 27.000MHz
*C4
OPEN
C5 1uF
1
*TP1 TEST POINT
6 7 8 9
0R
ENSW1
VCC_5V
1 *TP2 POINT TEST 1 1
*TP3 TEST POINT *TP4 TEST POINT
Z2 CPI2 0R / OPEN Z1
1 2
Z2 Z1
COM
3
ENCODER
C6 10uF
+
C7 0.1uF C8 1uF
+
10
1 *TP5 POINT TEST
R1
Note: The suggested resistor tolerance is 1% precise resistor for R1
PAW3602 RESERVED FUNCTION
*TP1, *TP2, *TP3, *TP4, *TP5 => Please reserved for PAW3602 eye safety test
PAW3602 CPI SETTING
CPI2 OPEN 0R CPI1 0R OPEN Resolution 800 CPI 1600 CPI
*C1, *C4
=> Please reserved for future use
Figure 17. Application circuit using serial interface with Cypress CY7C63813 (Low Speed USB)
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8.3 Typical Application for Wireless Laser Mouse, Power Source from Pin 5 & 9
#1. Battery Power Circuit
BAT_PWR L1 330uH VCC_3.3V D1 1N5819 ENSW1 VCC_3.3V
COM Z1 Z2
Z2 Z1
C1
GND SW VOUT
C2 100uF ELM9333 R_KEY M_KEY L_KEY
ENCODER SW1 SW2 SW3
47uF U1
#2.MCU Circuit
VCC_3.3V R15 30K C5 0.1uF
ID_SY NC 1 RFU 2 3 4 5 Z1 6 Z2 7 R_KEY 8 M_KEY 9 P52 P53 TCC RESET VSS P60/INT P61 P62 P63
U2
P51 P50 OSCI OSCO VDD P67 P66 P65 P64 18 17 16 15 14 13 12 11 10 RF_EN RF_DATA
C3 X1 6MHz VCC_3.3V C6 0.1uF
15pF
VCC_3.3V R2 ID_SYNC 20K
C4 15pF
SCLK SDIO PD L_KEY
8bits MCU VCC_3.3V R3 10ohm C8 0.1uF C9 1uF
S1
#3.RF TX Circuit
RF_EN C10 0.1uF 27K R4 X2 13.5225MHz R5 36K C14 27pF Q1
C7 1uF C11 0.1uF R6
C12 100pF
C13 100pF
RF_DATA R8 10K
Q2 3904
C15 10pF
R7
3904 C16 100pF R9 2K
56K Q3 3904
100K
C17 33pF
#4.Sensor Circuit
U3
D2 LD *C18 OPEN
1 2 3 4 5 + 6 7 8 9 LD_P LD_N OSCOUT OSCIN VDDD VSSD VSSA VDD VDDA LDRES PD SDIO SCLK NC LDTEST CPI XB XA YB YA 20 19 18 17 16 15 PD SDIO SCLK
PAW3602 CPI SETTING
VCC_3.3V
CPI2 OPEN 0R
CPI1 0R OPEN
Resolution 800CPI 1600CPI
*X3 27.045MHz
CPI1 OPEN / 0R
PAW3602 RESERVED FUNCTION
*C18, *C19
1 *TP1 TEST POINT
*C19 OPEN
C14 1uF
=> Please reserved for future use *TP1, *TP2, *TP3, *TP4, *TP5 => Please reserved for PAW3602 eye safety test
R13
14 13 12 11 1 1 1 1
0R *TP2 TEST POINT *TP3 TEST POINT *TP4 TEST POINT *TP5 TEST POINT CPI2 0R / OPEN
VCC_3.3V
The frequency of "*X3" must be the same as RF frequency
Note: The suggested resistor tolerance is 1% precise resistor for R1
C20
+
C21 0.1uF C23
+
10
10uF
R1
PAW3602DH
1uF
Figure 18. RF application circuit using pin 5 & 9 for power supply source
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8.4 Typical Application for RF Receiver
C1
20pF
C2 2.2uF
+
C4 10nF VCC_RF
1 2 3 4 5 OSC_IN 6 OSC_OUT 7 8 B3 9 10
C3 U1
68pF C6
20 19 18 17 16 15 14 13 12 11
C5 2.2uF
+
C8 10uF
+
C9 0.1uF
ANT_IN1 ANT_IN2 AGND VNEG VPOS MDR VCC LF VDIG AGND XTAL_IN VPOS_LO XTAL_OUT VNEG_LO VNEG_DIG B1 B3 OUT B2 CLK
10nF
C7
2.2uF
B1 RF_DATA
C11 C10 10nF 2.2uF
+
TI TRF7903-PW20 C12 2.2uF
+
C13 10nF
OSC_IN
OSC_OUT
VCC_RF
C14 R2 47pF
X1 12MHz
C15 47pF VCC_RF
8 7 6 5
VCC_5V
VCC_RF
R1 B1 OPEN B3
Q1 2N3906 R3 10K R6 PWR_Ctrl 10K
0R
1 2 3 4
U2
A0 VCC A1 WP A2 SCL GND SDA
R4 0R
R5 OPEN
SCL SDA
C16 0.1uF
2402 U3
VCC_RF R8 470 D1 S1
RF_DATA
1 2 3
P0.0 P0.1 P0.2 P0.3 P1.0
VREG D-/SDATA D+/SCLK VCC
11 15 16 14
R7
1.3K
JP1
1
LED ID_SYNC PWR_Ctrl
4 5
VCC_5V C17
+
2 3 4
C18 10uF
VPP VSS P0.5 P0.6 12 XTALIN XTALOUT
10 9 23 22 13
0.1uF
USB
SCL SDA
CYPRESS CY7C63723
Figure 19. Application circuit with Cypress CY7C63813 (Low speed USB)
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9. PCB Layout Consideration
1. Caps for pins 5, 8, 9 MUST have trace lengths LESS than 5mm. 2. The trace lengths of OSCOUT, OSCIN must less than 6mm.
10. Z and 2D Assembly
+X +Y
-- Top View -BASE PLATE
LD
Unit: mm
Lens/Package Alignment Line
Lens
SURFACE IS 0 REF. PCB SENSOR BASE PLATE ALIGNMENT POST
-- Side View -Figure 20. 2D Assembly
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11. Package Information 11.1 Package Outline Drawing
20
11
1
10
1
10
20
11
Figure 21. Package outline drawing
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5.2 Base Plate Modeling Dimension
Figure 22. Base plate molding dimension
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5.3 Recommended PCB Mechanical Cutouts and Spacing
Figure 23. Recommended PCB Mechanical Cutouts and Spacing
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6. Update History
Version V1.0 Update Creation, Preliminary 1st version Date 06/28/2007
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Vertical Cavity Surface Emitting Laser (VCSEL) Components Specification
Distribution Internal Only External All External Restricted
If restricted, specify restricted to whom:
Document No.: Revision: Date:
PNDR-00003 Rev 2.50 2007/06/15
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Revision History
Revision
Author
Date
Description
1.0 1.5
M.H.Chien Chadwick
2006/06/14 Initial version 2007/01/18 Add VDD=2.7V and delete VDD=5.0V constraint resistor table Revise resistor table for higher CW radiant power 300uW 2007/05/04 ~550uW on Mouse operation ; Delete P32/ P64/ P68/ P72/ P76/ P80 six Grades Note PAN/PAW 3601DH for constraint resistor table and add 2007/06/15 new constraint resistor table for PAN/PAW 3602-DH
2.0
Chadwick
2.5
Chadwick
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PNDR-00003
850nm Epoxy molded VCSEL for Laser Mouse
FEATURES
Epoxy Molded with round emission surface. Small divergence angle. Constricted Beam profile.
ELECTRO-OPTICAL CHARACTERISTICS
PARAMETERS SYMBOL MIN TYP MAX UNIT TEST CONDITIONS
Output Power Wavelength Forward Voltage Series Resistance Breakdown voltage Beam Divergence(1/e ) Notes : (1) Binning
2
Po
P
0.475 830 1.6 850 1.75 40 7 14 8
0.7 860 1.9 60
mW nm V
I=IF (1) IF = 6 mA IF = 6 mA IF = 6 mA Ir = 10uA IF = 6 mA
VF RS VBD
V degree
APPLY TO PAN3602DH/ PAW3602DH
Optical power at each of following nominal bin operating current and constrained resistor
Bin grade LD current (mA)
Single Constrain resistor :R() Single Constrain resistor :R()
Bin grade LD current (mA)
P36 P40 P42 P44 P46
3.6 4.0 4.2 4.4 4.6
18K 15K 15K 15K 15K
P50 P52 P54 P56 P58
5.0 5.2 5.4 5.6 5.8
13K 13K 12K 12K 12K
P48 4.8 13K P60 6.0 10K Warning! For Single constrain resistor (R), please using the recommend value, if resistor value is less than recommend value, there will be eye safety issue.
Note: The suggested resistor tolerance is 1% precise resistor for constrained resistor R.
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ABSOLUTE MAXIMUM RATINGS:
PARAMETERS Storage Temperature Operating Temperature Continuous Forward Current Continuous Reverse Voltage Lead Solder Temperature MIN -30 -10 MAX 85 60 12 7 260 UNIT C C mA V C Condition
10 seconds
Fig. 1 Typical Optical Characteristics
5
Fig. 2 Typical Electrical Characteristics
3.0
2.5
4
Power (mW)
3
Voltage (V)
2.0
1.5
2
1.0
1
0.5
0
0
2
4
6
8
10
12
14
0.0
0
2
4
6
8
10
12
14
Current (mA)
Current (mA)
OUTLINE DIMENSIONS:
Note: Unit is millimeters and Tolerance is 0.2 mm unless otherwise notes WARNING:
The VCSEL is a class IIIa laser in the safety standard ANSI Z136.1 and should be treated as a potential eye hazard.
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PNLR-00037 Lens Dimensions
Note: The Part No. of the Mouse Product with Prefix "PAN" shall NOT be made, sold, offered to sell, imported or used in or into USA, Canada, Japan and EU. For "PAN", PixArt has only gained territory-limited patent license from Avago. Avago reserve right to take legal action against our customers who fails to comply the above term. PLEASE NOTE THAT PixArt will NOT defend, indemnify, or provide any assistance to our customers who fail to comply the term. IF YOU DO NOT AGREE THE TERM, PIXART WILL NOT DELIVER "PAN" PRODUCTS TO YOU.
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