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tentative toshiba cmos digital integrated circuit silicon monolithic t c 9 4 7 2 f 1 chip audio digital signal processor TC9472F is the 1 chip audio dsp which built in 24-bits, a 22.5 mips dsp core, 3 ch ad converter, 5 ch da converter, and electronic volume for trims, and corresponds to a multi-speaker system. it is possible to realize many application, such as sound field control - hall simulation,for example - , digital filter for equalizers, dyanmic range control, karaoke and something. features ? incorporates 3 ch ad converter, 2 ch is 1bit s - d type ad converter for hifi - audio and 1 ch is 16 bit multi-bit type ad converter for microphone. 2 ch hifi-adc (1bit s - d type) s / n : 98 db (typ.) 1 ch mic. adc (16 bit multi - bit type) s / n : 80 db (typ.) ? incorporates 1bit s - d type da converter, and the attenuator for trims is built in each dac output. in case of the use which does not use a trim, it is possible to output the analog signal of dac directly. 5 ch dac (1bit s - d type) s / n : 100 db (typ.) ? a built-in self-boot function automatically sets the coefficients and register values at initialization. boot rom : 1024 word x 18 bit ? the dsp block specification are as follows : data bus : 24 bit multiplier / adder : 24 bit x 16 bit + 43 bit => 43 bit accumulator : 43 bit (sign extension : 4 bit) program rom : 2048 word x 32 bit coefficient ram : 448 word x 16 bit coefficient rom : 256 word x 16 bit offset ram : 64 word x 16 bit data ram : 256 word x 24 bit operation speed : 44 ns (510-step (approx.) operation per cycle at fs = 44.1 khz) interface buffer ram : 32 word x 16 bit ? incorporates data delay ram of 64 kbit. delay ram : 4096 word x 16 bit (64 kbit) ? the microcontroller interface can be selected between toshiba original 3 line type and i2c bus format. ? cmos silicon structure supports high speed. ? the package is a 100-pin flat package. TC9472F 1998 - 12 - 11 1 / 14 weight : 1.57g (typ.) ? toshiba is continually working to improve the quality and the reliability of its products. nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. it is the responsibility of the buyer, when utilizing toshiba products, to observe standards of safety, and to avoid situations in which a malfunction or failure of a toshiba product could cause loss of human life, bodily, injury or damage to property. in developing your designs, please ensure that toshiba products are used within specified operating ranges as set forth in the most recent products specifications. also, please keep in mind the precautions and conditions set forth in the toshiba semiconductor reliability handbook. ? the products described in this document are subjects to foreign exchange and foreign trade control laws. ? the information contained herein is presented only as guide for the applications of our products. no responsibility is assumed by toshiba corporation for any infringement of intellectual property or other rights of the third parties which may result from its use. no license is granted by implication or otherwise under any intellectual property or other rights of toshiba corporation or others. ? the information contained herein is subject to change without notice. qfp100-p-1420-0.65a
block diagram / pin connection decimation filter inter- polation filter dac (lch) dac (rch) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 31 32 33 34 35 36 37 38 39 40 51 52 53 54 55 56 57 58 59 60 61 62 63 64 82 83 85 86 87 88 89 90 91 92 93 94 95 96 97 vsal gndal aol vrl vdar vdal aort gndar gndac aoc aoct ebci tp14 tst1 vrc gnd /reset vdd sync elro elri tp1 tp4 tp3 tp2 tp5 tp10 tp11 tp12 vdac vro step1 tp15 tst0 adc (lch) micom i/f delay ram 4kword x 16bit timing gen. d-in/out em0 dout vrr vri vdasl vrsl aoslt aosl 25 26 27 28 29 30 41 42 43 44 45 46 47 48 49 50 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 step0 81 98 tst2 99 tst3 100 vdd adc (rch) lch-out rch-out cch-out slch-out timing gen. ebco din gndm 256fs 256fs (qfp 100pin) top view xi xo vdx gndasl tp6 tp7 tp8 cko1 tp13 mck gnd ifdo ifok /err i2cs boot ifdi ifck /cs lin vdl avrl vdr avrr rin vsar lch-in rch-in gndx dac (cch) dac (slch) att att sd sd sd sd moving average filter self boot aolt aor gndasr aosr aosrt vrsr vdasr srch-out gndr vddr tp0 vdd tp9 cko0 fs gnd em1 vdd ba1 ba0 vdm vrm2 vrm1 mout min mic-in dac (srch) sd att att att asp (audio digital signal processor) adc (mic) unfolding 84 TC9472F 1998 - 12 - 11 2 / 14
test pin 1 o tp1 33 test pin 0 o tp0 32 ground pin - gnd 31 power pin for dac sr ch annel - vdasr 30 reference voltage pin for dac sr ch annel - vrsr 29 dac sr channel attenuator output pin o aosrt 28 dac sr channel signal output pin o aosr 27 ground pin for dac sr channel - gndasr 26 ground pin for dac sl channel - gndasl 25 dac sl channel signal output pin o aosl 24 dac sl channel attenuator output pin o aoslt 23 reference voltage pin for dac sl channel - vrsl 22 power pin for dac sl channel - vdasl 21 reference voltage pin for attenuator (buffer input) i vri 20 reference voltage pin for attenuator (buffer output) o vro 19 power pin for dac center channel - vdac 18 reference power pin for dac center channel - vrc 17 dac center channel attenuator output pin o aoct 16 dac center channel signal output pin o aoc 15 ground pin for dac center channel - gndac 14 ground pin for dac right channel - gndar 13 dac right channel signal output pin o aor 12 dac right channel attenuator output pin o aort 11 reference voltage pin for dac right channel - vrr 10 power pin for dac right channel - vdar 9 power pin for dac left channel - vdal 8 reference voltage pin for dac left channel - vrl 7 dac left channel attenuator output pin o aolt 6 dac left channel signal output pin o aol 5 ground pin for dac left channel - gndal 4 power pin for oscillator circuit - vdx 3 crystal oscillator connect pin o xo 2 crystal oscillator connect or external clock input pin i xi 1 remarks function i / o symbol pin no. pin function TC9472F 1998 - 12 - 11 3 / 14
schmitt input bit clock input pin for serial data output ( din ) i ebci 67 schmitt input bit clock input pin for serial data output ( dout ) i ebc o 66 schmitt input lr clock o u t put pin for serial data input ( din ) i elri 65 schmitt input lr clock input pin for serial data output ( dout ) i elro 64 schmitt input program synchronous signal input pin i sync 63 power pin - vdd 62 schmitt input reset pin i /res e t 61 schmitt input asp execution step switching pin 0 i step0 60 schmitt input asp execution step switching pin 1 i step1 59 schmitt input de-emphasis setting pin 1 i e m1 58 schmitt input de-emphasis setting pin 0 i e m 0 57 test pin 15 o tp 15 56 test pin 14 o tp 14 55 power pin - vdd 54 mck clock output pin o mck 53 test pin 3 o tp 13 52 ground pin - gnd 51 clock output pin 1 o cko 1 50 clock output pin 0 o cko 0 49 clock out pin (sampling frequency) o fs 48 test pin 12 o tp 12 47 test pin 11 o tp 11 46 test pin 10 o tp 10 45 test pin 9 o tp9 44 test pin 8 o tp8 43 test pin 7 o tp7 42 test pin 6 o tp6 41 test pin 5 o tp5 40 ground pin for delay ram - gndr 39 power pin for delay ram - vddr 38 power pin - vdd 37 test pin 4 o tp4 36 test pin 3 o tp3 35 test pin 2 o tp2 34 remarks function i / o symbol pin no. TC9472F 1998 - 12 - 11 4 / 14
ground pin for oscillator circuit - gndx 100 ground pin for adc r channel - vsar 99 adc r ch signal input pin i rin 98 reference voltage pin for adc r channel - avrr 97 power pin for adc r channel - vdr 96 power pin for adc l channel - vdl 95 reference voltage pin for adc l channel - avrl 94 adc l channel signal input pin i lin 93 ground pin for adc l channel - vsal 92 ground pin for microphone adc - gndm 91 reference voltage pin 2 microphone adc - vrm2 90 microphone adc amplifier output pin o mout 89 microphone adc amplifier input pin i min 88 reference voltage pin 1 for microphone adc - vrm1 87 power pin for microphone adc - vdm 86 schmitt input test pin t3 i tst3 85 schmitt input test pin t2 i tst2 84 schmitt input test pin t1 i tst1 83 schmitt input test pin t0 i tst0 82 power pin - vdd 81 schmitt input self boot control pin i boot 80 schmitt input boot address setting pin 0 i ba0 79 schmitt input boot address setting pin 1 i ba1 78 microcontroller interface i2c bus / 3 line bus switching pin i i2cs 77 open drain output error flag output pin o /err 76 open drain output microcontroller interface operation flag pin o ifok 75 microcontroller interface data output pin o ifdo 74 schmitt input microcontroller interface data input pin i ifdi 73 schmitt input microcontroller interface data shift clock signal input pin i ifck 72 schmitt input microcontroller interface chip select signal input pin i /cs 71 ground pin - gnd 70 serial data output pin o dout 69 schmitt input serial data input pin i din 68 remarks function i / o symbol pin no. TC9472F 1998 - 12 - 11 5 / 14
maxmum ratings (ta=25 degrees centigrade) degrees centigrade -55 ~ 150 t stg storage temperature degrees centigrade -40 ~ 75 (notes) t opr operating temperature mw 1500 p d power dissipation v -0.3 ~ v dd + 0.3 v in input voltage v -0.3 ~ 6.0 v dd power supply voltage unit rating symbol characteristic (notes) when operating frequency is 340-step mode, operating temperature is ta=-40~85 degrees centigrade. electrical characteristics (unless otherwise noted, ta=-25 degrees centigrade, vdd=vdx=vddr=vdm=vdl=vdr=vdx=vdal=vdar=vdac=vdas=vdasr=5.0v) dc characteristics ma 150 135 - f o pr =33.8688mhz, 511-step mode - i dd operating power supply current 34 33.8 12 511-step mode mhz 25 15 8 340-step mode - f o pr operating frequency range v 5.25 5.0 4.75 ta= -40~75 degrees centigrade - v dd operating power supply voltage unit max. typ. min. test condition test cir- cuit symbol characteristic clock pins (xi, xo) 0.5 - - i ol = 5.0ma v ol1 "l"level - - 4.5 xo pin i oh =-3.0ma - v oh1 "h" level output voltage(1) 1.5 - - v il1 "l" level v - - 3.5 xi piin - v ih1 "h" level input voltage(1) unit max. typ. min. test condition test cir- cuit symbol characteristic input pins - - -10 v in =0v i il2 "l" level m a 10 - - (note 1) v in =v dd - i ih2 "h" level input leakage current 1.0 - - v il2 "l" level v - - 4.0 (note 1) - v ih2 "h" level input voltage(2) unit max. typ. min. test condition test cir- cuit symbol characteristic (note 1) xi, step0~1, /reset, sync, elro, elri, ebco, ebci, din, em0~1, i2cs, /cs, ifck, ifdi, boot, ba0~ba1, tst0~3 (normally input pins and schmitt input pins) output pins m a +10 - -10 (note 3) v oh =v dd - i oz4 output open leakage current 0.5 - - (note 3) i ol = 4.0ma - v ol3 "l" level output voltage(3) 0.5 - - i ol = 2.0ma v ol2 "l" level v - - 4.5 (note 2) i oh =-2.0ma - v oh2 "h" level output voltage(2) unit max. typ. min. test condition test cir-c uit symbol characteristic (note 2) fs, cko0~1, mck, dout, ifdo (normally output) (note 3) ifdi (when i2c mode output), ifok, /err(open drain output) TC9472F 1998 - 12 - 11 6 / 14
ac characteristics ad converter (1) : lin and rin pins db - 92 85 a-weight, x'tal : 33.8688mhz (note 1) - dr a dynamic range db -83 -90 - a-weight, x'tal : 33.8688mhz (note 1) - ct a cross-talk db -70 -80 - 20khz lpf, x'tal : 33.8688mhz (note 1) - thd a thd+n - 92 87 ccir-arm, x'tal : 33.8688mhz (note 1) - s / n a2 db - 98 90 a-weight, x'tal : 33.8688mhz (note 1) - s / n a1 s / (n+d) ratio k w - 27 - lin, rin pins - z in input impedance vrms - 1.25 1.18 input level for adc output at full-scale digital output (note 1) - v i maximum input signal level unit max. typ. min. test condition test cir- cuit symbol characteristic (note 1) input channels : lin, rin ad converter (2) : min pin -83 -90 - min to lin, rin (note 2) - ct am2 db -60 -76 - lin, rin to min (note 2) - ct am1 cross-talk db -55 -62 - 20khz lpf, x'tal : 33.8688mhz (note 1) - thd am thd+n db - 80 70 a-weight, x'tal : 33.8688mhz (note 1) - s / n am s / (n+d) ratio k w - 1 - min pin - z inm input impedance vrms 1.15 1.0 - input level for adc output at full-scale digital output (note 1) - v im maximum input signal level unit max. typ. min. test condition test cir- cuit symbol characteristic (note 1) input channel: min (note 2) input channels: lin, ri, min TC9472F 1998 - 12 - 11 7 / 14
da converter db - 95 88 a-weight, x 'tal : 33.8688mhz (note 3) - dr d dynamic range -90 -97 - 20khz lpf , x'tal : 33.8688mhz aol-aor-aoc-aosl-aosr ch ct d3 -83 -90 - 20khz lpf , x'tal : 33.8688mhz aort- aoct-aoslt-aosrt ch ct d2 db -66 -73 - 20khz lpf , x'tal : 33.8688mhz aolt - aort ch - ct d1 cross-talk -75 -82 - 20khz lpf, x'tal : 33.8688mhz (note 2) thd d2 db -78 -85 - 20khz lpf, x'tal : 33.8688mhz (note 1) - thd d1 thd+ n db - 100 90 a-weight, x'tal : 33.8688mhz (note 3) - s / n d s / n ratio 1.55 1.48 1.43 output voltage at full-scale digital input (note 2) - a o2 vrms 1.25 1.18 1.13 output voltage at full-scale digital input (note 1) - a o1 output signal level unit max. typ. min. test condition test cir- cuit symbol characteristic (note 1) output channel : aol, aor, aoc, aosl, aosr (note 2) output channel : aolt, aort, aoct, aoslt, aosrt (note 3) output channel : aol, aor, aoc, aosl, aosr, aolt, aort, aoct, aoslt, aosrt TC9472F 1998 - 12 - 11 8 / 14
timing clock input pin ( xi) - 14.5 - - - t xil clock "l" cycle width - 14.5 - - - t xih clock "h" cycle width ns - - 29 - - t xi clock cycle unit max. typ. min. test condition test cir- cuit symbol characteristic reset pin ( /reset) m s - - 1.0 - - t wrs reset pulth width ms - - 10 - - t rrs standby time unit max. typ. min. test condition test cir- cuit symbol characteristic timing output ns 150 - -150 - - t dfc cko output delay time unit max. typ. min. test condition test cir- cuit symbol characteristic audio serial interface ( ebci, din, ebco, dout) - - 150 - - t ebol ebco clock "l" cycle width - - 150 - - t eboh ebco clock "h" cycle width - - 300 - - t ebco ebco clock cycle 60 - - - - t do2 dout output delay time( 2) 60 - - - - t do1 dout output delay time( 1) 75 - -75 - - t loh erlo hold time - - 150 - - t ebil ebci clock " l" cycle width - - 150 - - t ebih ebci clock "h" cycle width - - 300 - - t ebci ebci clock cycle - - 50 - - t hdi din hold time - - 50 - - t sdi din setup time ns 75 - -75 - - t lih elri hold time unit max. typ. min. test condition test cir- cuit symbol characteristic TC9472F 1998 - 12 - 11 9 / 14
microcontroller interface (1) standard transmission mode (/cs, ifck, ifdi, ifdo) 0.2 - - c l =30pf - t ddo ifck falling edge - ifdo propagation delay time - - 0.2 - - t hcd ifck rising edge - ifdi hold time - - 0.2 - - t scd ifdi - ifck rising edge setup time - - 0.5 - - t wcs /cs "h" cycle width - - 0.2 - - t ckc ifck rising edge - /cs rising edge setup time - - 0.25 - - t whc ifck "h" cycle width - - 0.25 - - t wlc ifck "l" cycle width - - 0.2 - - t ccd /cs falling egde - ifck falling egde setup time m s - - 1.0 - - t stb standby time unit max. typ. min. test condition test cir- cuit symbol characteristic ( 2) i2c mode ( /cs, ifck, ifdi) 0.3 - - c l =400pf - t f i2c falling time 0.3 - - c l =400pf - t r i2c rising time - - 1.3 c l =400pf - t buf data transmission interval - - 0.6 c l =400pf - t ecs transmission end condition setup time - - 0.6 c l =400pf - t scs repeat transmission start condition setup time - - 0.6 c l =400pf - t sch transmission start condition hold time - - 0 c l =400pf - t dh data hold time - - 0.1 c l =400pf - t ds data setup time - - 1.3 c l =400pf - t l ifck "l" cycle width m s - - 0.6 c l =400pf - t h ifck "h" cycle width khz 400 - 0 c l =400pf - t ifck ifck clock frequency unit max. typ. min. test condition test cir- cuit symbol characteristic TC9472F 1998 - 12 - 11 10 / 14
ac characteristic measurement point (2) reset (3) timing output (1) clock pins ( xi, ecki) (4) audio serial interface (elri, ebci, din, elro, ebco, dout) xi/ecki 50% t xi t xih t xil v dd /reset 100% 0% 90% 50% t rrs t wrs fs cko0 ~ 1 100% 0% 50% 50% t dfc elri ebci din t lih t sdi t hdi t ebci t ebil t ebih t lih elro ebco dout t loh t do1 t do2 t ebco t ebol t eboh t loh TC9472F 1998 - 12 - 11 11 / 14
(2) reset (3) timing output (1) clock pins ( xi, ecki) (4) audio serial interface (elri, ebci, din, elro, ebco, dout) xi/ecki 50% t xi t xih t xil v dd /reset 100% 0% 90% 50% t rrs t wrs fs cko0 ~ 1 100% 0% 50% 50% t dfc elri ebci din t lih t sdi t hdi t ebci t ebil t ebih t lih elro ebco dout t loh t do1 t do2 t ebco t ebol t eboh t loh TC9472F 1998 - 12 - 11 12 / 14
(5 ) micricontroller interface in standard transmission mode (/cs, ifck, ifdi, ifdo) /reset /cs t stb (6) micricontroller interface in i 2 c mode ( ifck, ifdi) ifdi ifck t buf t h t l t ds t dh t sch t scs t ecs t r t f /cs ifck t ccd t wlc t whc t ckc ifdi t scd t hcd t wcs ifdo t ddo purchase of toshiba i2c components conveys a license under the philips i2c patent right to use these components in an i2c system , provided that the system conforms to i2c standard specification as defined by philips. TC9472F 1998 - 12 - 11 13 / 14
TC9472F 1998 - 12 - 11 14 / 14

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