
SLAS480B – JANUARY 2006 – REVISED DECEMBER 2008 ........................................................................................................................................... www.ti.com
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 4Page 0 / Register 55:
LINE2R to HPLCOM Volume Control Register
BIT
READ/
RESET
DESCRIPTION
WRITE
VALUE
D7
R/W
0
LINE2R Output Routing Control
0: LINE2R is not routed to HPLCOM
1: LINE2R is routed to HPLCOM
D6-D0
R/W
0000000
LINE2R to HPLCOM Analog Volume Control
For 7-bit register setting versus analog gain values, see
Table 4Page 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 4Page 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 4Page 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 tri-stated with powered down
D1
R
0
HPLCOM Volume Control Status
0: All programmed gains to HPLCOM have been applied
1: Not all programmed gains to HPLCOM have been applied yet
D0
R/W
0
HPLCOM Power Control
0: HPLCOM is not fully powered up
1: HPLCOM is fully powered up
64
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