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STMPE1801 Datasheet(PDF) 27 Page - STMicroelectronics

No. de pieza STMPE1801
Descripción Electrónicos  Xpander Logic™ 18-bit enhanced port expander with keypad controller
PDF  60 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STMPE1801 Datasheet(HTML) 27 Page - STMicroelectronics

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STMPE1801
Interrupt system
Doc ID 17884 Rev 3
27/60
INT_EN_MASK
Interrupt enable mask register
Address:
06, 07
Type:
R, R/W
Reset:
0x00
Description:
The interrupt enable mask register is used to enable the interruption from a particular
interrupt source to the host.
15
14
13
12
11
10
9876
5
4
3
2
1
0
INT_EN_MASK_HIGH
INT_EN_MASK_LOW
RESERVED
IE4
IE3
IE2
IE1
IE0
RRRRRRR
RRR
R
RW
RW
RW
RW
RW
0000000000
0
0
0
0
0
0
[15:4] RESERVED
[4:0] IE[x]:
Interrupt Enable Mask (where x = 3 to 0)
IE0: Default value is 0.
IE1: Keypad controller interrupt mask
IE2: Keypad controller FIFO overflow interrupt mask
IE3: GPIO controller interrupt mask
IE4: Combination key interrupt enable
Writing a ‘1’ to the IE[x] bit enables the interruption to the host.



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