STMPE321 datasheet(20/40 Pages) STMICROELECTRONICS

Part #	STMPE321

Description	3-channel capacitive touchkey controller

PDF	40 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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20 / 40 page

Interrupt controller module

STMPE321

20/40

Doc ID 15791 Rev 3

INT_STA

Interrupt status register

Address:

0x0A

Type:

R/W

Reset:

0x09

Description:

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

to the host. Regardless of whether or not the IESYSIOR bits are enabled, the

ISSYSIOR bits are still updated. Writing ‘1’ clears a bit in this register. Writing ‘0’ has

no effect.

543

GPIO

RESERVED

GEN

FIFO

POR

[7] GPIO:

One or more level transition in enabled GPIOs

[6:3] RESERVED:

Some of these bits might be set to '1' by hardware during normal operation. The content of

these bit is for internal operation and are not required for normal use of device.

[2] GEN:

System INT (A2I, IA2, EOC)

[1] FIFO:

Data available in FIFO

[0] POR:

Power-on reset

STMPE321 Datasheet(PDF) 20 Page - STMicroelectronics