Datasheet
Table Of Contents
- FEATURES
- DESCRIPTION
- DEVICE INFORMATION
- ABSOLUTE MAXIMUM RATINGS
- DISSIPATION RATINGS
- RECOMMENDED OPERATING CONDITIONS
- ELECTRICAL CHARACTERISTICS
- TYPICAL CHARACTERISTICS
- OVERVIEW
- HARDWARE RESET
- DIGITAL CONTROL SERIAL INTERFACE
- I2C CONTROL INTERFACE
- DIGITAL AUDIO DATA SERIAL INTERFACE
- RIGHT JUSTIFIED MODE
- LEFT JUSTIFIED MODE
- I2S MODE
- DSP MODE
- TDM DATA TRANSFER
- AUDIO DATA CONVERTERS
- AUDIO CLOCK GENERATION
- STEREO AUDIO ADC
- AUTOMATIC GAIN CONTROL (AGC)
- STEREO AUDIO DAC
- DIGITAL AUDIO PROCESSING
- DIGITAL INTERPOLATION FILTER
- DELTA-SIGMA AUDIO DAC
- AUDIO DAC DIGITAL VOLUME CONTROL
- ANALOG OUTPUT COMMON-MODE ADJUSTMENT
- AUDIO DAC POWER CONTROL
- AUDIO ANALOG INPUTS
- ANALOG INPUT BYPASS PATH FUNCTIONALITY
- ADC PGA SIGNAL BYPASS PATH FUNCTIONALITY
- INPUT IMPEDANCE AND VCM CONTROL
- PASSIVE ANALOG BYPASS DURING POWER DOWN
- MICBIAS GENERATION
- ANALOG FULLY DIFFERENTIAL LINE OUTPUT DRIVERS
- ANALOG HIGH POWER OUTPUT DRIVERS
- SHORT CIRCUIT OUTPUT PROTECTION
- CONTROL REGISTERS
- Output Stage Volume Controls
TLV320AIC32
SLAS479C – AUGUST 2005 – REVISED DECEMBER 2008 .............................................................................................................................................
www.ti.com
Page 0 / Register 70: PGA_R to HPRCOM Volume Control Register
BIT READ/ RESET DESCRIPTION
WRITE VALUE
D7 R/W 0 PGA_R Output Routing Control
0: PGA_R is not routed to HPRCOM
1: PGA_R is routed to HPRCOM
D6-D0 R/W 0000000 PGA_R to HPRCOM Analog Volume Control
For 7-bit register setting versus analog gain values, see Table 5
Page 0 / Register 71: DAC_R1 to HPRCOM Volume Control Register
BIT READ/ RESET DESCRIPTION
WRITE VALUE
D7 R/W 0 DAC_R1 Output Routing Control
0: DAC_R1 is not routed to HPRCOM
1: DAC_R1 is routed to HPRCOM
D6-D0 R/W 0000000 DAC_R1 to HPRCOM Analog Volume Control
For 7-bit register setting versus analog gain values, see Table 5
Page 0 / Register 72: HPRCOM Output Level Control Register
BIT READ/ RESET DESCRIPTION
WRITE VALUE
D7-D4 R/W 0000 HPRCOM Output Level Control
0000: Output level control = 0-dB
0001: Output level control = 1-dB
0010: Output level control = 2-dB
...
1000: Output level control = 8-dB
1001: Output level control = 9-dB
1010 – 1111: Reserved. Do not write these sequences to these register bits.
D3 R/W 0 HPRCOM Mute
0: HPRCOM is muted
1: HPRCOM is not muted
D2 R/W 1 HPRCOM Power Down Drive Control
0: HPRCOM is weakly driven to a common-mode when powered down
1: HPRCOM is tri-stated with powered down
D1 R 1 HPRCOM Volume Control Status
0: Not all programmed gains to HPRCOM have been applied yet
1: All programmed gains to HPRCOM have been applied
D0 R/W 0 HPRCOM Power Control
0: HPRCOM is not fully powered up
1: HPRCOM is fully powered up
Page 0 / Registers 73 – 78: Reserved Registers
BIT READ/ RESET DESCRIPTION
WRITE VALUE
D7-D0 R/W 00000000 Reserved. Write only 00000000 to these registers.
Page 0 / Register 79: Reserved Register
BIT READ/ RESET DESCRIPTION
WRITE VALUE
D7-D0 R/W 00000010 Reserved. Write only 00000010 to this register.
Page 0 / Register 80: LINE2L to LEFT_LOP/M Volume Control Register
BIT READ/ RESET DESCRIPTION
WRITE VALUE
D7 R/W 0 LINE2L Output Routing Control
0: LINE2L is not routed to LEFT_LOP/M
1: LINE2L is routed to LEFT_LOP/M
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