User Manual

Apollo3 Blue Datasheet
DS-A3-0p9p1 Page 478 of 909 2019 Ambiq Micro, Inc.
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INSTANCE 0 ADDRESS: 0x40010084
GPIO Input Register B
11.7.2.24WTA Register
GPIO Output Register A
OFFSET: 0x00000088
INSTANCE 0 ADDRESS: 0x40010088
GPIO Output Register A
11.7.2.25WTB Register
GPIO Output Register B
OFFSET: 0x0000008C
INSTANCE 0 ADDRESS: 0x4001008C
GPIO Output Register B
Table 669: RDB 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 RDB
Table 670: RDB Register Bits
Bit Name Reset RW Description
31:18 RSVD 0x0 RO
RESERVED
17:0 RDB 0x0 RO
GPIO49-32 read data.
Table 671: WTA 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
WTA
Table 672: WTA Register Bits
Bit Name Reset RW Description
31:0 WTA 0x0 RW
GPIO31-0 write data.