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STMPE1801BJR Fiches technique(PDF) 29 Page - STMicroelectronics

No de pièce STMPE1801BJR
Description  Xpander Logic™ 18-bit enhanced port expander with keypad controller
PDF  60 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STMPE1801BJR Fiches technique(HTML) 29 Page - STMicroelectronics

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STMPE1801
Interrupt system
Doc ID 17884 Rev 3
29/60
INT_EN_GPIO_MASK
Interrupt enabled GPIO mask register
Address:
0A, 0B, 0C
Type:
R/W
Reset:
0x00
Description:
The interrupt enable GPIO mask register is used to enable the interruption from a
particular GPIO interrupt source to the host. The IEG[17:0] bits are the interrupt
enable mask bits correspond to the GPIO[17:0] pins.
76
5
4
3
2
1
0
INT_EN_GPIO_MASK_LOW
IEG7
IEG6
IEG5
IEG4
IEG3
IEG2
IEG1
IEG0
RW
RW
RW
RW
RW
RW
RW
RW
00
0
0
0
0
0
0
15
14
13
12
11
10
9
8
INT_EN_GPIO_MASK_MID
IEG15
IEG14
IEG13
IEG12
IEG11
IEG10
IEG9
IEG8
RW
RW
RW
RW
RW
RW
RW
RW
00
0
0
0
0
0
0
23
22
21
20
19
18
17
16
INT_EN_GPIO_MASK_HIGH
Reserved
IEG17
IEG16
R
R
R
R
R
R
RW
RW
00
0
0
0
0
0
0
[17:0 IEG[x]: Interrupt enable GPIO mask (where x = 17 to 0)
Writing a ‘1’ to the IEG[x] bit enables the interruption to the host.



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