Datasheet

TLV320AIC31
SLAS497C – AUGUST 2006 – REVISED DECEMBER 2008 ............................................................................................................................................. www.ti.com
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 3-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: Reserved Register
BIT READ/ RESET DESCRIPTION
WRITE VALUE
D7-D0 R/W 0000000 Reserved. Write only '00000000' to this register.
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 .
Page 0 / Register 54: DAC_L1 to HPLCOM Volume Control Register
BIT READ/ RESET DESCRIPTION
WRITE VALUE
D7 R/W 0 DAC_L1 Output Routing Control
0: DAC_L1 is not routed to HPLCOM
1: DAC_L1 is routed to HPLCOM
D6-D0 R/W 0000000 DAC_L1 to HPLCOM Analog Volume Control
For 7-bit register setting versus analog gain values, see Table 5 .
Page 0 / Register 55: Reserved Register
BIT READ/ RESET DESCRIPTION
WRITE VALUE
D7-D0 R/W 0000000 Reserved. Write only '0000000' to this register.
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