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 .............................................................................................................................................
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Page 0 / Register 49: PGA_R to HPLOUT 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 HPLOUT
1: PGA_R is routed to HPLOUT
D6-D0 R/W 0000000 PGA_R to HPLOUT Analog Volume Control
For 7-bit register setting versus analog gain values, see Table 5
Page 0 / Register 50: DAC_R1 to HPLOUT 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 HPLOUT
1: DAC_R1 is routed to HPLOUT
D6-D0 R/W 0000000 DAC_R1 to HPLOUT Analog Volume Control
For 7-bit register setting versus analog gain values, see Table 5
Page 0 / Register 51: HPLOUT Output Level Control Register
BIT READ/ RESET DESCRIPTION
WRITE VALUE
D7-D4 R/W 0000 HPLOUT 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 HPLOUT Mute
0: HPLOUT is muted
1: HPLOUT is not muted
D2 R/W 1 HPLOUT Power Down Drive Control
0: HPLOUT is weakly driven to a common-mode when powered down
1: HPLOUT is tri-stated with powered down
D1 R 1 HPLOUT Volume Control Status
0: Not all programmed gains to HPLOUT have been applied yet
1: All programmed gains to HPLOUT have been applied
D0 R/W 0 HPLOUT Power Control
0: HPLOUT is not fully powered up
1: HPLOUT is fully powered up
Page 0 / Register 52: LINE2L to HPLCOM Volume Control Register
BIT READ/ RESET DESCRIPTION
WRITE VALUE
D7 R/W 0 LINE2L Output Routing Control
0: LINE2L is not routed to HPLCOM
1: LINE2L is routed to HPLCOM
D6-D0 R/W 0000000 LINE2L to HPLCOM Analog Volume Control
For 7-bit register setting versus analog gain values, see Table 5
Page 0 / Register 53: PGA_L to HPLCOM Volume Control Register
BIT READ/ RESET DESCRIPTION
WRITE VALUE
D7 R/W 0 PGA_L Output Routing Control
0: PGA_L is not routed to HPLCOM
1: PGA_L is routed to HPLCOM
D6-D0 R/W 0000000 PGA_L to HPLCOM Analog Volume Control
For 7-bit register setting versus analog gain values, see Table 5
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