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SLAS497C – AUGUST 2006 – REVISED DECEMBER 2008 ............................................................................................................................................. www.ti.com
Page 0 / Register 61:
DAC_L1 to HPROUT 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 HPROUT
1: DAC_L1 is routed to HPROUT
D6-D0
R/W
0000000
DAC_L1 to HPROUT Analog Volume Control
For 7-bit register setting versus analog gain values, see
Table 5.Page 0 / Register 62:
Reserved Register
BIT
READ/
RESET
DESCRIPTION
WRITE
VALUE
D7-D0
R/W
0000000
Reserved. Write only '0000000' to this register.
Page 0 / Register 63:
PGA_R to HPROUT 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 HPROUT
1: PGA_R is routed to HPROUT
D6-D0
R/W
0000000
PGA_R to HPROUT Analog Volume Control
For 7-bit register setting versus analog gain values, see
Table 5.
Page 0 / Register 64:
DAC_R1 to HPROUT 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 HPROUT
1: DAC_R1 is routed to HPROUT
D6-D0
R/W
0000000
DAC_R1 to HPROUT Analog Volume Control
For 7-bit register setting versus analog gain values, see
Table 5.
Page 0 / Register 65:
HPROUT Output Level Control Register
BIT
READ/
RESET
DESCRIPTION
WRITE
VALUE
D7-D4
R/W
0000
HPROUT 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
HPROUT Mute
0: HPROUT is muted
1: HPROUT is not muted
D2
R/W
1
HPROUT Power Down Drive Control
0: HPROUT is weakly driven to a common-mode when powered down
1: HPROUT is 3-stated when powered down
D1
R
1
HPROUT Volume Control Status
0: Not all programmed gains to HPROUT have been applied yet
1: All programmed gains to HPROUT have been applied
D0
R/W
0
HPROUT Power Control
0: HPROUT is not fully powered up
1: HPROUT is fully powered up
60
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