wm8351 Wolfson Microelectronics plc, wm8351 Datasheet - Page 85

• Manufacturer Part Number: wm8351
• Description: Wolfson Audioplus? Stereo Codec With Power Management
• Manufacturer: Wolfson Microelectronics plc

Production Data
w
R106 (6Ah)
for OUT2L
Volume
R107 (6Bh)
for OUT2R
R76 (4Ch)
Output
Control
Table 41 Controlling OUT2L and OUT2R
ADDRESS
7:2
7:2
BIT
14
13
14
13
10
8
9
8
2
OUT2L_MU
TE
OUT2L_ZC
OUT2_VU
OUT2L_VO
L [5:0]
OUT2R_M
UTE
OUT2R_ZC
OUT2R_IN
V
OUT2R_IN
V_MUTE
OUT2_VU
OUT2R_VO
L [5:0]
OUT2_FB
LABEL
DEFAULT
11_1001
11_1001
0
0
0
0
0
0
1
0
0
OUT2L mute:
0 = normal operation
1 = mute
OUT2L volume zero cross enable
0 = Change gain immediately
1 = Change gain on zero cross only
OUT2L and OUT2R volumes do not update
until a 1 is written to either OUT2_VU register
bits.
OUT2L volume:
000000 = -57dB
...
111001 = 0dB
...
111111 = +6dB
OUT2R mute:
0 = normal operation
1 = mute
OUT2R volume zero cross enable
0 = Change gain immediately
1 = Change gain on zero cross only
Enable OUT2R inverting amplifier
0 = disabled
1 = enabled
Mute output of PGA to inverting amplifier.
0 = PGA output goes to inverting amplifier
1 = PGA output goes to output driver
OUT2L and OUT2R volumes do not update
until a 1 is written to either OUT2_VU register
bits.
OUT2R volume:
000000 = -57dB
...
111001 = 0dB
...
111111 = +6dB
Enable Headphone common mode ground
feedback for OUT2
0 = disabled (HPCOM unused)
1 = enabled (common mode feedback through
HPCOM)
DESCRIPTION
PD, June 2009, Rev 4.1
WM8351
85