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STMPE321QTR bảng dữ liệu(PDF) 18 Page - STMicroelectronics

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STMPE321QTR bảng dữ liệu(HTML) 18 Page - STMicroelectronics

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Interrupt controller module
STMPE321
18/40
Doc ID 15791 Rev 3
INT_CTRL
Interrupt control register
Address:
0x08
Type:
R/W
Reset:
0x01
Description:
This register is used to enable control of the polarity, edge/level and enabling of the
interrupt system device.
7
654
3210
RESERVED
POLARITY
TYPE
INT_EN
[7:3] RESERVED
[2] POLARITY:
'0' for active low
'1' for active high
For active low operation, the INT pin should be externally pulled high. The INT pin is pulled to
GND when there is a pending interrupt.
For active high operation, the INT pin should be externally pulled to GND. In this mode, the INT
pin is pulled to VCC by the device when there is a pending interrupt.
[1] TYPE:
'0' for level trigger
'1' for edge trigger (pulse width is 200 nS)
[0] INT_EN:
'0' to disable all interrupts
'1' to enable all interrupts



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