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TDA7449L датащи(PDF) 8 Page - STMicroelectronics |
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TDA7449L датащи(HTML) 8 Page - STMicroelectronics |
8 / 13 page POWER ON RESET CONDITION INPUT SELECTION IN2 INPUT GAIN 28dB VOLUME MUTE SPEAKER MUTE DATA BYTES Address = 88 HEX (ADDR:OPEN). FUNCTION SELECTION: First byte (subaddress) MSB LSB SUBADDRESS D7 D6 D5 D4 D3 D2 D1 D0 XXXB 0 0 0 0 INPUT SELECT XXXB 0 0 0 1 INPUT GAIN XXXB 0 0 1 0 VOLUME XXXB 0 0 1 1 NOT USED XXXB 0 1 0 0 NOT USED XXXB 0 1 0 1 NOT USED XXXB 0 1 1 0 SPEAKER ATTENUATE ”R” XXXB 0 1 1 1 SPEAKER ATTENUATE ”L” B = 1: INCREMENTAL BUS ACTIVE B = 0: NO INCREMENTAL BUS X = DON’T CARE INPUT SELECTION MSB LSB INPUT MULTIPLEXER D7 D6 D5 D4 D3 D2 D1 D0 XXXX XX 0 0 NOT ALLOWED XXXX XX 0 1 NOT ALLOWED XXXX XX 1 0 IN2 XXXX XX 1 1 IN1 In Incremental Bus Mode, the three ”not used” functions must be addressed in any case. For example to refresh ”Volume = 0dB” and Speaker_R = -40dB”, the following bytes must be sent: SUBADDRESS XXX10010 VOLUME DATA X0000000 NOT USED 1 DATA XXXX1111 NOT USED 2 DATA XXXX1111 NOT USED 3 DATA XXXX1111 SPEAKER_R DATA X0000010 TDA7449L 8/13 |
Аналогичный номер детали - TDA7449L |
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Аналогичное описание - TDA7449L |
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