Page 1 Registers
Page 1 / Register 16: HPL Driver Gain Setting Register - 0x01 / 0x10 (continued)
READ/
RESET
BIT
DESCRIPTION
WRITE
VALUE
D5-D0
R/W
00 0000
10 0000-11 1001: Reserved. Do not use
11 1010: HPL driver gain is -6dB
(Note: It is not possible to mute HPR while programmed to -6dB)
11 1011: HPL driver gain is -5dB
11 1100: HPL driver gain is -4dB
…
00 0000: HPL driver gain is 0dB
...
01 1011: HPL driver gain is 27dB
01 1100: HPL driver gain is 28dB
01 1101: HPL driver gain is 29dB
01 1110-01 1111: Reserved. Do not use
Note: These gains are not valid while using the driver in Class-D mode
5.3.14
Page 1 / Register 17: HPR Driver Gain Setting Register - 0x01 / 0x11
READ/
RESET
BIT
DESCRIPTION
WRITE
VALUE
D7
R
0
Reserved. Write only default value.
D6
R/W
1
0: HPR driver is not muted
1: HPR driver is muted
D5-D0
R/W
00 0000
10 0000-11 1001: Reserved. Do not use
11 1010: HPR driver gain is -6dB
(Note: It is not possible to mute HPR while programmed to -6dB)
11 1011: HPR driver gain is -5dB
11 1100: HPR driver gain is -4dB
…
00 0000: HPR driver gain is 0dB
...
01 1011: HPR driver gain is 27dB
01 1100: HPR driver gain is 28dB
01 1101: HPR driver gain is 29dB
01 1110-01 1111: Reserved. Do not use
Note: These gains are not valid while using the driver in Class-D mode
5.3.15
Page 1 / Register 18-19: Reserved Register - 0x01 / 0x12-0x13
READ/
RESET
BIT
DESCRIPTION
WRITE
VALUE
D7-D0
R
0100 0000
Reserved. Write only default value.
5.3.16
Page 1 / Register 20: Headphone Driver Startup Control Register - 0x01 / 0x14
READ/
RESET
BIT
DESCRIPTION
WRITE
VALUE
D7-D6
R/W
00
00: Soft routing step time is 0ms
01: Soft routing step time is 50ms
10: Soft routing step time is 100ms
11: Soft routing step time is 200ms
101
SLAU434 – May 2012
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