參數(shù)資料
型號: STMPE2401TBR
廠商: STMICROELECTRONICS
元件分類: 微控制器/微處理器
英文描述: 24 I/O, PIA-GENERAL PURPOSE, PBGA36
封裝: LEAD FREE, TFBGA-36
文件頁數(shù): 19/55頁
文件大小: 959K
代理商: STMPE2401TBR
Interrupt system
STMPE2401
26/55
9.6
Interrupt status GPIO register (ISGPIOR)
ISGPIOR register monitors the status of the interruption from a particular GPIO pin interrupt
source to the host. Regardless whether the IEGPIOR bits are enabled or not, the ISGPIOR
bits are still updated. The ISG[15:0] bits are the interrupt status bits correspond to the
GPIO[15:0] pins.
ISGPIOR _lsb
Bit
2322
212019181716
IEG
23
IEG
22
IEG
21
IEG
20
IEG
19
IEG
18
IEG
17
IEG
16
R/W
RW RWRWRW RW RWRWRW
Reset
Value
00000
000
ISGPIOR_msb
ISGPIOR _lsb
Bit
15
14
13
12
11
10
9
8
76543
210
ISG
15
ISG
14
ISG
13
ISG
12
ISG
11
ISG
10
ISG
9
ISG
8
ISG
7
ISG
6
ISG
5
ISG
4
ISG
3
ISG
2
ISG
1
ISG
0
R/W
RWRWRWRWRWRW
RW RW RW RW RW RW RW RW RW RW
Reset
Value
0
00
00000
000
Table 25. GPIO
Bits
Name
Description
23:0
ISG[x] Interrupt Status GPIO (where x = 23 to 0)
Read:
Interrupt Status of the GPIO[x].
Write:
A write to a ISG[x] bit with a value of ‘1’ will clear the interrupt and a write with a
value of ‘0’ has no effect on the ISG[x] bit.
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