User Manual

Apollo3 Blue Datasheet
DS-A3-0p9p1 Page 480 of 909 2019 Ambiq Micro, Inc.
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11.7.2.28WTCA Register
GPIO Output Register A Clear
OFFSET: 0x00000098
INSTANCE 0 ADDRESS: 0x40010098
GPIO Output Register A Clear
11.7.2.29WTCB Register
GPIO Output Register B Clear
OFFSET: 0x0000009C
INSTANCE 0 ADDRESS: 0x4001009C
GPIO Output Register B Clear
Table 677: WTSB 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 WTSB
Table 678: WTSB Register Bits
Bit Name Reset RW Description
31:18 RSVD 0x0 RO
RESERVED
17:0 WTSB 0x0 WO
Set the GPIO49-32 write data.
Table 679: WTCA 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
WTCA
Table 680: WTCA Register Bits
Bit Name Reset RW Description
31:0 WTCA 0x0 WO
Clear the GPIO31-0 write data.