
SLAS506B – NOVEMBER 2006 – REVISED DECEMBER 2008........................................................................................................................................ www.ti.com
Page 0 / Register 71:
DAC_R to HPRCOM Volume Control Register (continued)
BIT
READ/
RESET
DESCRIPTION
WRITE
VALUE
D6-D0
R/W
0000000
DAC_R to HPRCOM Analog Volume Control
For 7-bit register setting versus analog gain values, see
Table 5Page 0 / Register 72:
HPRCOM Output Level Control Register
BIT
READ/
RESET
DESCRIPTION
WRITE
VALUE
D7-D4
R/W
0000
HPRCOM 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
HPRCOM Mute
0: HPRCOM is muted
1: HPRCOM is not muted
D2
R/W
1
HPRCOM Power Down Drive Control
0: HPRCOM is weakly driven to a common-mode when powered down
1: HPRCOM is tri-stated with powered down
D1
R
0
HPRCOM Volume Control Status
0: All programmed gains to HPRCOM have been applied
1: Not all programmed gains to HPRCOM have been applied yet
D0
R/W
0
HPRCOM Power Control
0: HPRCOM is not fully powered up
1: HPRCOM is fully powered up
Page 0 / Register 73-93:
Reserved Registers
BIT
READ/
RESET
DESCRIPTION
WRITE
VALUE
D7-D0
R/W
00000000
Reserved. Do not write to these registers.
Page 0 / Register 94:
Module Power Status Register
BIT
READ/
RESET
DESCRIPTION
WRITE
VALUE
D7
R
0
Left DAC Power Status
0: Left DAC not fully powered up
1: Left DAC fully powered up
D6
R
0
Right DAC Power Status
0: Right DAC not fully powered up
1: Right DAC fully powered up
D5–D3
R
0
Reserved. Do not write to these bits.
D2
R
0
HPLOUT Driver Power Status
0: HPLOUT Driver is not fully powered up
1: HPLOUT Driver is fully powered up
D1
R
0
HPROUT Driver Power Status
0: HPROUT Driver is not fully powered up
1: HPROUT Driver is fully powered up
D0
R
0
Reserved. Do not write to this register bit.
52
Copyright 2006–2008, Texas Instruments Incorporated