ISD91200 Series Technical Reference Manual
Release Date: Sep 16, 2019
- 462 -
Revision 2.4
SAR ADC Analog Control Register(SARADC_ACTL)
Register
Offset
R/W Description
Reset Value
SARADC_A
CTL
SA0x5C R/W SAR ADC analog control register
0x0000_0000
31
30
29
28
27
26
25
24
Reserved
Reserved
23
22
21
20
19
18
17
16
Reserved
SAR_VREF
Reserved
Reserved
15
14
13
12
11
10
9
8
Reserved
7
6
5
4
3
2
1
0
Reserved
SAR_SE_MODE
Bits
Description
[31:18]
Reserved
reserved
[18]
SAR_VREF
VREF selection
0 -- select VCCA as VREF
1 -- select MICBIAS as VREF
[17]
Reserved
Reserved
[16]
Reserved
Reserved
[15:1]
Reserved
Reserved
[0]
SAR_SE_MODE
Have to be 1