WM8352
Production Data
REFER TO
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
measurements delayed) until AUX_DATAn
has been read.
Reset by state machine.
Register 91h Digitiser Control (2)
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R152 (98h) 14:13 AUXADC_SCALE1[1:0]
11
AUX1 input select:
AUX1
Readback
00 = Off
01 = Input divided by 1
10 = Input divided by 2
11 = Input divided by 4
AUX1 reference select
0 = AUX1 measured relative to VRTC
1 = AUX1 measured relative to VREF
12
AUXADC_REF1
1
11:0 AUXADC_DATA1[11:0] 0000_0000_0000 Measured AUX1 data value relative to
reference:
000 = 0V
FFF = measured voltage after divide
matches reference
Register 98h AUX1 Readback
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
AUX2 input select:
REFER TO
R153 (99h) 14:13 AUXADC_SCALE2[1:0]
11
AUX2
Readback
00 = Off
01 = Input divided by 1
10 = Input divided by 2
11 = Input divided by 4
AUX2 reference select
12
AUXADC_REF2
1
0 = AUX2 measured relative to VRTC
1 = AUX2 measured relative to VREF
11:0 AUXADC_DATA2[11:0] 0000_0000_0000 Measured AUX2 data value relative to
reference:
000 = 0V
FFF = measured voltage after divide
matches reference
Register 99h AUX2 Readback
PD, February 2011, Rev 4.4
278
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
