Production Data
WM8321
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
0 = Reserved
Comparator 1
1 = GPIO10
2 = GPIO11
3 = GPIO12
4 = Reserved
5 = Chip Temperature
6 = Reserved
7 = PVDD voltage
DCMP1_GT
Digital Comparator 1 interrupt control
12
0
0 = interrupt when less than
threshold
1 = interrupt when greater than or
equal to threshold
DCMP1_THR
Digital Comparator 1 threshold
11:0
000h
000
(12-bit unsigned binary number;
coding is the same as AUX_DATA)
R16434 (4032h)
Comparator 2
DCMP2_SRC
[2:0]
Digital Comparator 2 source select
0 = Reserved
15:13
1 = GPIO10
2 = GPIO11
3 = GPIO12
4 = Reserved
5 = Chip Temperature
6 = Reserved
7 = PVDD voltage
Digital Comparator 2 interrupt control
DCMP2_GT
12
0
0 = interrupt when less than
threshold
1 = interrupt when greater than or
equal to threshold
DCMP2_THR
Digital Comparator 2 threshold
11:0
000h
000
(12-bit unsigned binary number;
coding is the same as AUX_DATA)
R16435 (4033h)
Comparator 3
DCMP3_SRC
[2:0]
Digital Comparator 3 source select
0 = Reserved
15:13
1 = GPIO10
2 = GPIO11
3 = GPIO12
4 = Reserved
5 = Chip Temperature
6 = Reserved
7 = PVDD voltage
Digital Comparator 3 interrupt control
DCMP3_GT
12
0
0 = interrupt when less than
threshold
1 = interrupt when greater than or
equal to threshold
DCMP3_THR
Digital Comparator 3 threshold
11:0
000h
000
(12-bit unsigned binary number;
coding is the same as AUX_DATA)
R16436 (4034h)
Comparator 4
DCMP4_SRC
[2:0]
Digital Comparator 4 source select
0 = Backup Battery voltage
1 = GPIO10
15:13
2 = GPIO11
3 = GPIO12
PD, February 2012, Rev 4.0
101
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
