STMPE610 datasheet(21/56 Pages) STMICROELECTRONICS

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STMPE610

Interrupt system

Doc ID 15432 Rev 3

21/56

INT_CTRL

Interrupt control register

Address:

0x09

Type:

R/W

Reset:

0x00

Description:

The interrupt control register is used to enable the interruption from a system-related

interrupt source to the host.

INT_EN

Interrupt enable register

Address:

0x0A

Type:

R/W

Reset:

0x00

Description:

The interrupt enable register is used to enable the interruption from a system related

interrupt source to the host.

543

RESERVED

INT_POLARITY

INT_TYPE

GLOBAL_INT

[7:3] RESERVED

[2] INT_POLARITY: This bit sets the INT pin polarity

1: Active high/rising edge

0: Active low/falling edge

[1] INT_TYPE: This bit sets the type of interrupt signal required by the host

1: Edge interrupt

0: Level interrupt

[0] GLOBAL_INT: This is master enable for the interrupt system

1: Global interrupt

0: Stops all interrupts

543

GPIO

ADC

RESERVED

FIFO_EMPTY

FIFO_FULL

FIFO_0FLOW

FIFO_TH

TOUCH_DET

[7] GPIO: Any enabled GPIO interrupts

[6] ADC: Any enabled ADC interrupts

[5] RESERVED

[4] FIFO_EMPTY: FIFO is empty

[3] FIFO_FULL: FIFO is full

[2] FIFO_OFLOW: FIFO is overflowed

[1] FIFO_TH: FIFO is equal or above threshold value

[0] TOUCH_DET: Touch is detected

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