Datasheet
TLV320AIC31
www.ti.com
............................................................................................................................................. SLAS497C – AUGUST 2006 – REVISED DECEMBER 2008
Page 0 / Register 56: PGA_R to HPLCOM 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 HPLCOM
1: PGA_R is routed to HPLCOM
D6-D0 R/W 0000000 PGA_R to HPLCOM Analog Volume Control
For 7-bit register setting versus analog gain values, see Table 5 .
Page 0 / Register 57: DAC_R1 to HPLCOM 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 HPLCOM
1: DAC_R1 is routed to HPLCOM
D6-D0 R/W 0000000 DAC_R1 to HPLCOM Analog Volume Control
For 7-bit register setting versus analog gain values, see Table 5 .
Page 0 / Register 58: HPLCOM Output Level Control Register
BIT READ/ RESET DESCRIPTION
WRITE VALUE
D7-D4 R/W 0000 HPLCOM 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 HPLCOM Mute
0: HPLCOM is muted
1: HPLCOM is not muted
D2 R/W 1 HPLCOM Power Down Drive Control
0: HPLCOM is weakly driven to a common-mode when powered down
1: HPLCOM is 3-stated when powered down
D1 R 1 HPLCOM Volume Control Status
0: Not all programmed gains to HPLCOM have been applied yet
1: All programmed gains to HPLCOM have been applied
D0 R/W 0 HPLCOM Power Control
0: HPLCOM is not fully powered up
1: HPLCOM is fully powered up
Page 0 / Register 59: Reserved Register
BIT READ/ RESET DESCRIPTION
WRITE VALUE
D7-D0 R/W 0000000 Reserved. Write only '0000000' to this register.
Page 0 / Register 60: PGA_L to HPROUT 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 HPROUT
1: PGA_L is routed to HPROUT
D6-D0 R/W 0000000 PGA_L to HPROUT Analog Volume Control
For 7-bit register setting versus analog gain values, see Table 5 .
Copyright © 2006 – 2008, Texas Instruments Incorporated Submit Documentation Feedback 59
Product Folder Link(s): TLV320AIC31