User Manual

Apollo3 Blue Datasheet
DS-A3-0p9p1 Page 133 of 909 2019 Ambiq Micro, Inc.
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3.8.2.14 ADCREFCOMP Register
ADC Referece Keeper and Comparator Control
OFFSET: 0x0000011C
INSTANCE 0 ADDRESS: 0x4002011C
ADC Referece Keeper and Comparator Control
Table 155: ADCTRIM Register
3
1
3
0
2
9
2
8
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
1
9
1
8
1
7
1
6
1
5
1
4
1
3
1
2
1
1
1
0
0
9
0
8
0
7
0
6
0
5
0
4
0
3
0
2
0
1
0
0
RSVD
ADCRFBUFIBTRIM
ADCREFBUFTRIM
RSVD
ADCREFKEEPIBTRIM
Table 156: ADCTRIM Register Bits
Bit Name Reset RW Description
31:13 RSVD 0x0 RO
RESERVED.
12:11
ADCRFBUFIB-
TRIM
0x0 RW
ADC reference buffer input bias trim
10:6
ADCREFBUF-
TRIM
0x8 RW
ADC Reference buffer trim
5:2 RSVD 0x0 RO
RESERVED.
1:0
ADCREFKEEP-
IBTRIM
0x0 RW
ADC Reference Ibias trim
Table 157: ADCREFCOMP Register
3
1
3
0
2
9
2
8
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
1
9
1
8
1
7
1
6
1
5
1
4
1
3
1
2
1
1
1
0
0
9
0
8
0
7
0
6
0
5
0
4
0
3
0
2
0
1
0
0
RSVD
ADCRFCMPEN
RSVD
ADCREFKEEPTRIM
RSVD
ADC_REFCOMP_OUT