User Manual

Apollo3 Blue Datasheet
DS-A3-0p9p1 Page 132 of 909 2019 Ambiq Micro, Inc.
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3.8.2.12 ADCBATTLOAD Register
ADC Battery Load Enable
OFFSET: 0x00000110
INSTANCE 0 ADDRESS: 0x40020110
ADC Battery Load Enable
3.8.2.13 ADCTRIM Register
ADC Trims
OFFSET: 0x00000118
INSTANCE 0 ADDRESS: 0x40020118
ADC Trims
Table 152: ADCCAL Register Bits
Bit Name Reset RW Description
31:2 RSVD 0x0 RO
RESERVED.
1
ADCCALI-
BRATED
0x0 RO
Status for ADC Calibration
FALSE = 0x0 - ADC is not calibrated
TRUE = 0x1 - ADC is calibrated
0 CALONPWRUP 0x1 RW
Run ADC Calibration on initial power up sequence
DIS = 0x0 - Disable automatic calibration on initial power up
EN = 0x1 - Enable automatic calibration on initial power up
Table 153: ADCBATTLOAD 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
BATTLOAD
Table 154: ADCBATTLOAD Register Bits
Bit Name Reset RW Description
31:1 RSVD 0x0 RO
RESERVED.
0BATTLOAD 0x0RW
Enable the ADC battery load resistor
DIS = 0x0 - Battery load is disconnected
EN = 0x1 - Battery load is enabled