User Manual
Apollo3 Blue Datasheet
DS-A3-0p9p1 Page 349 of 909 2019 Ambiq Micro, Inc.
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9.13.2.14INTSET Register
IO Slave Interrupts: Set
OFFSET: 0x0000020C
INSTANCE 0 ADDRESS: 0x5000020C
Write a 1 to a bit in this register to instantly generate an interrupt from this module. (Generally used for
testing purposes).
3 FRDERR 0x0 RW
FIFO Read Error interrupt.
2 FUNDFL 0x0 RW
FIFO Underflow interrupt.
1FOVFL 0x0RW
FIFO Overflow interrupt.
0FSIZE 0x0RW
FIFO Size interrupt.
Table 497: INTSET 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
XCMPWR
XCMPWF
XCMPRR
XCMPRF
IOINTW
GENAD
FRDERR
FUNDFL
FOVFL
FSIZE
Table 498: INTSET Register Bits
Bit Name Reset RW Description
31:10 RSVD 0x0 RO
RESERVED
9XCMPWR 0x0RW
Transfer complete interrupt, write to register space.
8XCMPWF 0x0RW
Transfer complete interrupt, write to FIFO space.
7XCMPRR 0x0RW
Transfer complete interrupt, read from register space.
6XCMPRF 0x0RW
Transfer complete interrupt, read from FIFO space.
5IOINTW 0x0RW
IO Write interrupt.
4GENAD 0x0RW
I2C General Address interrupt.
Table 496: INTCLR Register Bits
Bit Name Reset RW Description