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TAS2764 Datasheet(PDF) 91 Page - Texas Instruments

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Part # TAS2764
Description  TAS2764 Digital Input Mono Class-D Audio Amplifier With Speaker IV Sense
PDF  107 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TAS2764 Datasheet(HTML) 91 Page - Texas Instruments

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10 Initialization Set Up
10.1 Initial Device Configuration - 4 Channel Power Up (Default Mode - PWR_MODE1)
The following I2C sequence is an example of initializing four TAS2764 devices. This sequence contains a 1 ms
delay required after a software or hardware reset as illustrated in Section 12.
w 70 00 00 # Page-0
w 70 7f 00 # Book-0
w 70 01 01 # Software Reset
w 72 00 00 # Page-0
w 72 7f 00 # Book-0
w 72 01 01 # Software Reset
w 74 00 00 # Page-0
w 74 7f 00 # Book-0
w 74 01 01 # Software Reset
w 76 00 00 # Page-0
w 76 7f 00 # Book-0
w 76 01 01 # Software Reset
d 1 # 1mS Delay
###### Configure Channel 1
w 70 60 11 # sbclk to fs ratio = 64
w 70 0D 33 # TX bus keeper, Hi-Z, offset 1, TX on Falling edge
w 70 0E 42 # TDM TX voltage sense transmit enable with slot 2,
w 70 0F 40 # TDM TX current sense transmit enable with slot 0
w 70 03 14 # 21 dB gain
w 70 02 00 # power up audio playback with I,V enabled
###### Configure Channel 2
w 72 60 11 # sbclk to fs ratio = 64
w 72 0D 13 # TX bus keeper, Hi-Z, offset 1, TX on Falling edge
w 72 0E 46 # TDM TX voltage sense transmit enable with slot 6,
w 72 0F 44 # TDM TX current sense transmit enable with slot 4
w 72 03 14 # 21 dB gain
w 72 02 00 # power up audio playback with I,V enabled
###### Configure Channel 3
w 74 60 11 # sbclk to fs ratio = 64
w 74 0D 13 # TX bus keeper, Hi-Z, offset 1, TX on Falling edge
w 74 0E 4A # TDM TX voltage sense transmit enable with slot 10,
w 74 0F 48 # TDM TX current sense transmit enable with slot 8
w 74 03 14 # 21 dB gain
w 74 02 00 # power up audio playback with I,V enabled
###### Configure Channel 4
w 76 60 11 # sbclk to fs ratio = 64
w 76 0D 13 # TX bus keeper, Hi-Z, offset 1, TX on Falling edge
w 76 0E 4E # TDM TX voltage sense transmit enable with slot 14,
w 76 0F 4C # TDM TX current sense transmit enable with slot 12
w 76 03 14 # 21 dB gain
w 76 02 00 # power up audio playback with I,V enabled
10.2 Initial Device Configuration - 44.1 kHz
The following I2C sequence is an example of initializing a TAS2764 device into 44.1 kHz sampling rate. This
sequence contains a 1 ms delay required after a software or hardware reset as illustrated in Section 12.
w 70 00 00 # Page-0
w 70 7f 00 # Book-0
w 70 01 01 # Software Reset
d 1 # 1mS Delay
###### Configure Channel 1
w 70 60 21 # sbclk to fs ratio = 256 / 8 TDM Slots
w 70 08 39 # 44.1KHz, Auto TDM off, Frame start High to Low
w 70 09 03 # Offset = 1, Sync on BCLK falling edge
w 70 0a 0a # TDM slot by address, Word = 24 bit, Frame = 32 bit
w 70 0c 20 # Right Ch = TDM slot 2, Left Ch = TDM slot 0
w 70 0d 33 # TX bus keeper, Hi-Z, offset 1, TX on Falling edge
w 70 0e 42 # TDM TX voltage sense transmit enable with slot 2,
w 70 0f 40 # TDM TX current sense transmit enable with slot 0
w 70 03 14 # 21 dB gain
w 70 02 00 # power up audio playback with I,V enabled
www.ti.com
TAS2764
SLOS998 – DECEMBER 2020
Copyright © 2020 Texas Instruments Incorporated
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