User Manual
Apollo3 Blue Datasheet
DS-A3-0p9p1 Page 485 of 909 2019 Ambiq Micro, Inc.
All rights reserved.
11.7.2.37IOM0IRQ Register
IOM0 Flow Control IRQ Select
OFFSET: 0x000000C0
INSTANCE 0 ADDRESS: 0x400100C0
IOMSTR0 IRQ select for flow control.
22 STPOL2 0x0 RW
STIMER Capture 2 Polarity.
CAPLH = 0x0 - Capture on low to high GPIO transition
CAPHL = 0x1 - Capture on high to low GPIO transition
21:16 STSEL2 0x3f RW
STIMER Capture 2 Select.
15 RSVD 0x0 RO
RESERVED
14 STPOL1 0x0 RW
STIMER Capture 1 Polarity.
CAPLH = 0x0 - Capture on low to high GPIO transition
CAPHL = 0x1 - Capture on high to low GPIO transition
13:8 STSEL1 0x3f RW
STIMER Capture 1 Select.
7 RSVD 0x0 RO
RESERVED
6STPOL0 0x0RW
STIMER Capture 0 Polarity.
CAPLH = 0x0 - Capture on low to high GPIO transition
CAPHL = 0x1 - Capture on high to low GPIO transition
5:0 STSEL0 0x3f RW
STIMER Capture 0 Select.
Table 697: IOM0IRQ 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 IOM0IRQ
Table 698: IOM0IRQ Register Bits
Bit Name Reset RW Description
31:6 RSVD 0x0 RO
RESERVED
5:0 IOM0IRQ 0x3f RW
IOMSTR0 IRQ pad select.
Table 696: STMRCAP Register Bits
Bit Name Reset RW Description