STMPE610 datasheet(22/56 Pages) STMICROELECTRONICS

部件名	STMPE610

功能描述	S-Touch?? advanced touchscreen controller with 6-bit port expander

PDF	56 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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22 / 56 page

Interrupt system

STMPE610

22/56

Doc ID 15432 Rev 3

INT_STA

Interrupt status register

Address:

0x0B

Type:

Reset:

0x10

Description:

The interrupt status register monitors the status of the interruption from a particular

interrupt source to the host. Regardless of whether the INT_EN bits are enabled, the

INT_STA bits are still updated. Writing '1' to this register clears the corresponding

bits. Writing '0' has no effect.

543

GPIO

ADC

RESERVED

FIFO_EMPTY

FIFO_FULL

FIFO_OFLOW

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.

This bit is set when FIFO level equals to threshold value. It will only be asserted again if FIFO

level drops to < threshold value, and increased back to threshold value.

[0] TOUCH_DET: Touch is detected

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