wm8770 Wolfson Microelectronics plc, wm8770 Datasheet - Page 39

• Manufacturer Part Number: wm8770
• Description: 24-bit, 192khz 8-channel Codec With Volume Control
• Manufacturer: Wolfson Microelectronics plc

Production Data
w
00000
Analogue
Attenuation
DACL1
00001
Analogue
Attenuation
DACR1
00010
Analogue
Attenuation
DACL2
00011
Analogue
Attenuation
DACR2
00100
Analogue
Attenuation
DACL3
00101
Analogue
Attenuation
DACR3
REGISTER
ADDRESS
BIT
6:0
6:0
6:0
6:0
6:0
6:0
7
8
7
8
7
8
7
8
7
8
7
8
UPDATE
UPDATE
R1ZCEN
UPDATE
R2ZCEN
UPDATE
UPDATE
R3ZCEN
L1ZCEN
R1A[6:0]
L2ZCEN
R2A[6:0]
L3ZCEN
R3A[6:0]
UPDATE
L1A[6:0]
L2A[6:0]
L3A[6:0]
LABEL
Not latched
Not latched
Not latched
Not latched
Not latched
Not latched
DEFAULT
1111111
1111111
1111111
1111111
1111111
1111111
(0dB)
(0dB)
(0dB)
(0dB)
(0dB)
(0dB)
0
0
0
0
0
0
Attenuation Data for Left Channel DACL1 in 1dB steps. See Table
11
DACL1 Zero Cross Detect Enable
Controls simultaneous update of all Attenuation Latches
Attenuation Data for Left channel DACL1 in 1dB steps. See Table
11
DACR1 Zero Cross Detect Enable
Controls simultaneous update of all Attenuation Latches
Attenuation Data for Left Channel DACL2 in 1dB Steps. See
Table 11
DACL2 Zero Cross Detect Enable
Controls simultaneous update of all Attenuation Latches
Attenuation Data for Right Channel DACR2 in 1dB steps. See
Table 11
DACR2 Zero Cross Detect Enable
Controls simultaneous update of all Attenuation Latches
Attenuation Data for Left channel DACL3 in 1dB steps. See Table
11
DACL2 Zero Cross Detect Enable
Controls simultaneous update of all Attenuation Latches
Attenuation Data for Left channel DACL3 in 1dB steps. Table 11
DACR2 Zero Cross Detect Enable
Controls simultaneous update of all Attenuation Latches
0: Store DACL1 in intermediate latch (no change to output)
1: Store DACL1 and update attenuation on all channels.
0: Store DACR1 in intermediate latch (no change to output)
1: Store DACR1 and update attenuation on all channels.
0: Store DACL2 in intermediate latch (no change to output)
1: Store DACL2 and update attenuation on all channels.
0: Store DACR2 in intermediate latch (no change to output)
1: Store DACR2 and update attenuation on all channels.
0: Store DACL3 in intermediate latch (no change to output)
1: Store DACL3 and update attenuation on all channels.
0: Store DACR3 in intermediate latch (no change to output)
1: Store DACR3 and update attenuation on all channels.
0: zero cross disabled
1: zero cross enabled
0: zero cross disabled
1: zero cross enabled
0: zero cross disabled
1: zero cross enabled
0: zero cross disabled
1: zero cross enabled
0: zero cross disabled
1: zero cross enabled
0: zero cross disabled
1: zero cross enabled
DESCRIPTION
PD Rev 4.2 March 2008
WM8770
39