1 alfa plu s semiconductor a wa8820 datasheet Y??l?w???C??a?S????}??? the information contained herein is the ex clusive property of alfaplus and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of alfaplus 1 of 10 p p p r r r o o o f f f e e e s s s s s s i i i o o o n n n a a a l l l 2 2 2 . . . 4 4 4 g g g l l l o o o w w w p p p o o o w w w e e e r r r r r r f f f s s s o o o l l l u u u t t t i i i o o o n n n description AWA8820 datasheet customer version a0.00.00 date 2010/10/24 revision history version date description author a0.00.00 20101024 initial louis a0.01.00 20101026 features ? package qfn56 louis a0.01.01 20101028 1. awa8810/awa8800 is replaced with AWA8820 or awa88x0 louis content revision hi story .............................................................................................................. ................. 1 ? content ....................................................................................................................... ...................... 1 ? 1. ? general d escripti on ........................................................................................................... ..... 2 ? 2. ? features ...................................................................................................................... ............. 2 ? 3. ? block di agram ................................................................................................................. ........ 3 ? 4. ? pin out di agram ............................................................................................................... ....... 3 ? 5. ? pin defi nition ................................................................................................................ ........... 4 ? 6. ? function descr iption .......................................................................................................... .... 6 ? 7. ? register sets ................................................................................................................. .......... 8 ? 8. ? mcu ........................................................................................................................... ............... 8 ? 9. ? dc character isitcs ............................................................................................................ ...... 8 ? 10. ? rf characte istics ............................................................................................................. ....... 9 ? 11. ? audio charact eistics .......................................................................................................... .... 9 ? 12. ? package info rmation ........................................................................................................... .. 10 ? confidential! http://www..net/ datasheet pdf - http://www..net/
2 alfa plu s semiconductor a wa8820 datasheet Y??l?w???C??a?S????}??? the information contained herein is the ex clusive property of alfaplus and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of alfaplus 2 of 10 p p p r r r o o o f f f e e e s s s s s s i i i o o o n n n a a a l l l 2 2 2 . . . 4 4 4 g g g l l l o o o w w w p p p o o o w w w e e e r r r r r r f f f s s s o o o l l l u u u t t t i i i o o o n n n 1. general description alfa plus AWA8820 is a low power 2.4ghz wirele ss digital audio soc embedded many valuable ip?s including 2.4g hz 3mbps gfsk rf transceiver, ldo, mcu and full-sped usb. it reduces the bom cost significantly. . 2. features ? single chip with soc ? power supply 5v ? 2.0v ? 3mbps 2.4g rf transceiver embedded ? 5v ldo embedded ? 8-bit mcu embedded ? full-speed usb ? combo audio device ? usb and line-in ? current consumption 9 transmitter 40ma 9 receiver 35ma ? rf characteristics 9 2.4g ism band 9 rf power: 4dbm 9 sensitivity: - 81dbm with 1% p.e.r 9 non-overlay channel number: 26 9 automatic adaptive frequency channel selection 9 operating range: 150m outdoor line-of-sight 25m indoor line-of-sight ? audio characteristics 9 non-compression 48khz ? 16 bit 9 snr: 95db @ 20hz - 20khz 9 thd+n: -95db @ 20hz - 20khz 9 frequency response: 20hz ? 23khz ? voice 8khz-16bit without compression ? master i 2 s interface supporting 48khz sampling rate ? transmitter slave interface supporting 192khz/96khz/48khz/44.1khz and 32khz sampling rate ? built-in src (sampling rate converter) ? programmable latency ? minimum 12.5ms ? unlimited broadcasting receivers ? bi-directional user control data ? supporting 16k8 / 8k8 i 2 c serial eeprom ? programmable gpio ? 24mhz 30ppm crystal ? package qfn56, 7mm x 7mm ? application 9 wireless speaker 9 headset/headphone 9 iphone/ipod docking confidential! http://www..net/ datasheet pdf - http://www..net/
3 alfa plu s semiconductor a wa8820 datasheet Y??l?w???C??a?S????}??? the information contained herein is the ex clusive property of alfaplus and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of alfaplus 3 of 10 p p p r r r o o o f f f e e e s s s s s s i i i o o o n n n a a a l l l 2 2 2 . . . 4 4 4 g g g l l l o o o w w w p p p o o o w w w e e e r r r r r r f f f s s s o o o l l l u u u t t t i i i o o o n n n 3. block diagram nac 3mbps 2.4ghz rf transceiver pll usb mcu regulator clkin usb gpio rf digital audio i/f 4. pin out diagram confidential! http://www..net/ datasheet pdf - http://www..net/
4 alfa plu s semiconductor a wa8820 datasheet Y??l?w???C??a?S????}??? the information contained herein is the ex clusive property of alfaplus and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of alfaplus 4 of 10 p p p r r r o o o f f f e e e s s s s s s i i i o o o n n n a a a l l l 2 2 2 . . . 4 4 4 g g g l l l o o o w w w p p p o o o w w w e e e r r r r r r f f f s s s o o o l l l u u u t t t i i i o o o n n n 5. pin definition a: analog, pd: pull-down digi tal io, pu: pull-up digital io name no io description xc1 26 a crystal input pin xc2 25 a crystal output pin ant1 30 rf rf tx/rx differential pair ant2 31 rf rf tx/rx differential pair dp 2 a dn 3 a wake_up 9 a, pd wake-up internal pull-down rising edge to wake-up AWA8820 from power down mode i2s_mclk/p2.4 56 io i 2 s master clock i2s_bclk/p2.3 55 io i 2 s bit clock i2s_lrclk/p2.2 54 io i 2 s lrclk clock i2s_dout/p2.1 53 o i 2 s serial output data i2s_din/p2.0 52 i i 2 s serial input data eep_sda 51 io serial eeprom data eep_scl 50 o serial eeprom clock p0.1 37 io, pu gpio pin programmable internal pull-up resister. p0.2 / rf_sw_p 38 io, pu gpio pin programmable internal pull-up resister. rf_sw_p control external rf switch for external pa p0.3 / rf_sw_n 39 io, pu gpio pin programmable internal pull-up resister. rf_sw_p control external rf switch for external pa p0.4 / rf_pa_en 40 io, pu gpio pin programmable internal pull-up resister. rf_pa_en enable external pa p0.5 41 io, pu gpio pin confidential! http://www..net/ datasheet pdf - http://www..net/
5 alfa plu s semiconductor a wa8820 datasheet Y??l?w???C??a?S????}??? the information contained herein is the ex clusive property of alfaplus and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of alfaplus 5 of 10 p p p r r r o o o f f f e e e s s s s s s i i i o o o n n n a a a l l l 2 2 2 . . . 4 4 4 g g g l l l o o o w w w p p p o o o w w w e e e r r r r r r f f f s s s o o o l l l u u u t t t i i i o o o n n n name no io description programmable internal pull-up resister. p1.2 44 io, pu gpio pin programmable internal pull-up resister. p1.1 45 io, pu gpio pin programmable internal pull-up resister. p1.0 46 io, pu gpio pin programmable internal pull-up resister. p2.5 10 io, pu gpio pin programmable internal pull-up resister. p2.6 11 io, pu gpio pin programmable internal pull-up resister. p2.7 12 io, pu gpio pin programmable internal pull-up resister. p3.0/txd2 16 io, pu gpio pin programmable internal pull-up resister. this pin can be set as uart txd function. p3.1/rxd2 17 io, pu gpio pin programmable internal pull-up resister. this pin can be set as uart rxd function p3.2/int 18 io, pu gpio pin programmable internal pull-up resister. external h/w interrupt an external h/w interrupt input to mcu p3.3 19 io, pu gpio pin programmable internal pull-up resister. external h/w interrupt an external h/w interrupt input to mcu p3.4 20 io, pu gpio pin programmable internal pull-up resister. external h/w interrupt an external h/w interrupt input to mcu vo_digcore 5 a 1.8v output for AWA8820 digital core used. vo_digio 6 a 3.3v output for AWA8820 digital core used. vin_hldo 8 a high voltage ldo input confidential! http://www..net/ datasheet pdf - http://www..net/
6 alfa plu s semiconductor a wa8820 datasheet Y??l?w???C??a?S????}??? the information contained herein is the ex clusive property of alfaplus and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of alfaplus 6 of 10 p p p r r r o o o f f f e e e s s s s s s i i i o o o n n n a a a l l l 2 2 2 . . . 4 4 4 g g g l l l o o o w w w p p p o o o w w w e e e r r r r r r f f f s s s o o o l l l u u u t t t i i i o o o n n n name no io description connected with usb power vi_rfic 35 a rf ldo input vdd_core 14,36,48 a digital core power supply vdd_io 13, 43,49 a digital io power supply gnd_dig 1, 15,42, 47 a digital ground gnd_lldo 4 a ldo ground gnd_hldo 7 a ldo ground gndd_pg 21 a rf ground gndd 22 a rf ground vddd 23 a rf power supply vccd 24 a rf power supply gndvco 27 a rf ground vccvco 28 a rf power supply vddrf 29 a rf power supply gndrf 32 a rf ground vccrf 33 a rf power supply gnd_if 34 a rf ground 6. function description 6.1 nac (network audio cont roller) mode selection AWA8820 has many operating mode called nac mode which is used to decide the voice function enable/disable and how many audio receiver s can use uplink user data. besides, the latency is also decided when you choose the operating mode. nac mode description 0 / 1 application for stereo speaker bi-directional control is available 2 / 3 application for one se t of headset application including voice and bi-directional user control 4 / 5 application for one set of headset and 2 sets of headphone the headset has the voice function and bi-directional control. the headphone has the function bi -directional control. confidential! http://www..net/ datasheet pdf - http://www..net/
7 alfa plu s semiconductor a wa8820 datasheet Y??l?w???C??a?S????}??? the information contained herein is the ex clusive property of alfaplus and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of alfaplus 7 of 10 p p p r r r o o o f f f e e e s s s s s s i i i o o o n n n a a a l l l 2 2 2 . . . 4 4 4 g g g l l l o o o w w w p p p o o o w w w e e e r r r r r r f f f s s s o o o l l l u u u t t t i i i o o o n n n note: the sampling rate is 40khz. it means that the frequency response is 19khz. note: latency is measured on i2s i/f note: AWA8820 with longer late ncy can resist more fading. note: in any mode, AWA8820 support unlimited broadcast receivers. mode audio/voice measured i/f latency (ms) note 0 audio i2s 12.5 48khz fs 1 audio i2s 17.5 48khz fs 2 audio i2s 17.5 48khz fs 2 voice i2s-usb 21 - 2 voice i2s 42 - 3 audio i2s 21 48khz fs 3 voice i2s-usb 21 - 3 voice i2s 42 - 4 audio i2s 21.4 48khz fs 4 voice i2s-usb 23.5 - 4 voice i2s 44.4 - 5 audio i2s 29.4 48khz fs 5 voice i2s-usb 23.4 - 5 voice i2s 44.5 - 6.1 i 2 s i interface configuration AWA8820 supports the digital audio interface, i 2 s, to connect with the external audio codec. as a transmitter, AWA8820 offers either master mode or slave mode dependi ng on the designer?s choice. as a receiver, the master mode is s upported only. in the mast er mode, AWA8820 only supports 48khz sampling rate. the detail clock rate of i 2 s is listed in the table 6-1-1. table-6-1-1 mode bits lrclk (fs) mclk bclk master 24 48khz 128 x fs mclk / 2 master 24 48khz 256 x fs mclk / 2 master 24 48khz 256 x fs mclk / 4 master 24 48khz 512 x fs mclk / 2 master 24 48khz 512 x fs mclk / 4 confidential! http://www..net/ datasheet pdf - http://www..net/
8 alfa plu s semiconductor a wa8820 datasheet Y??l?w???C??a?S????}??? the information contained herein is the ex clusive property of alfaplus and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of alfaplus 8 of 10 p p p r r r o o o f f f e e e s s s s s s i i i o o o n n n a a a l l l 2 2 2 . . . 4 4 4 g g g l l l o o o w w w p p p o o o w w w e e e r r r r r r f f f s s s o o o l l l u u u t t t i i i o o o n n n master 24 48khz 512 x fs mclk / 8 slave 24 32khz note fs x 64 slave 24 32khz - fs x 128 slave 24 32khz - fs x 256 slave 24 44.1khz - fs x 64 slave 24 44.1khz - fs x 128 slave 24 44.1khz - fs x 256 slave 24 48khz - fs x 64 slave 24 48khz - fs x 128 slave 24 48khz - fs x 256 slave 24 96khz - fs x 64 slave 24 96khz - fs x 128 slave 24 96khz - fs x 256 slave 24 192khz - fs x 64 slave 24 192khz - fs x 128 slave 24 192khz - fs x 256 note: in slave mode, mclk input is not required. 7. register sets please refer to the datasheet of awa88x0_dts_regsets. 8. mcu please refer to the datasheet of awa88x0_dts_mcu 9. dc characterisitcs name description min typ max unit absolute maximum rating - supply voltage 0 5.25 v - storage temperature -55 125 c operating condition to operation temperature -40 - 85 c vin_hldo hv ldo input voltage note: for usb dongle operation, 5 typical is 2.0 5 5.25 v confidential! http://www..net/ datasheet pdf - http://www..net/
9 alfa plu s semiconductor a wa8820 datasheet Y??l?w???C??a?S????}??? the information contained herein is the ex clusive property of alfaplus and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of alfaplus 9 of 10 p p p r r r o o o f f f e e e s s s s s s i i i o o o n n n a a a l l l 2 2 2 . . . 4 4 4 g g g l l l o o o w w w p p p o o o w w w e e e r r r r r r f f f s s s o o o l l l u u u t t t i i i o o o n n n name description min typ max unit necessary vo_digcore digital core power supply 1.8 v vo_digio digital io power supply 3.3 v vdd_core digital core power input 1.8 v vdd_io digital io power input 2.0 3.6 v vi_rfic rf ldo input voltage 2.0 3.6 v dc characteristics i act_tx transmit active current 40 ma i act_rx receive active current 35 ma i slp sleep current 800 ua i pd power down current 1 ua v il input low voltage -0.3 0.8 v v ih input high voltage 2.0 3.6 v v ol output low voltage 0 v v oh output high voltage 3.3 v 10. rf characteistics name description min typ max unit frequency range 2403 2478 mhz rf data rate 3 mbps channel spacing 3 mhz rf tx power 4 dbm rf tx frequency drift +/-50 khz rx sensitivity @ 1%per -81 dbm 11. audio characteistics name description min typ max unit non-compression audio sampling rate 48 khz frequency response 0.02 23 khz snr 95 db confidential! http://www..net/ datasheet pdf - http://www..net/
10 alfa plu s semiconductor a wa8820 datasheet Y??l?w???C??a?S????}??? the information contained herein is the ex clusive property of alfaplus and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of alfaplus 10 of 10 p p p r r r o o o f f f e e e s s s s s s i i i o o o n n n a a a l l l 2 2 2 . . . 4 4 4 g g g l l l o o o w w w p p p o o o w w w e e e r r r r r r f f f s s s o o o l l l u u u t t t i i i o o o n n n thd+n -95 db latency 12.5 ms voice sampling rate 8 khz 12. package information confidential! http://www..net/ datasheet pdf - http://www..net/
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