STMPE16M31 datasheet(28/85 Pages) STMICROELECTRONICS

28 / 85 page

System controller

STMPE16M31, STMPE24M31

28/85

Doc ID 16174 Rev 4

INT_EN

Interrupt enable register

Address:

0x09

Type:

R/W

Reset:

0x00

Description:

Controls interrupt source enable.

543

210

GPIO

PWM

WAKEUP

ENV

EOC

TOUCH

RE2

RE1

000

[7] GPIO: Activity in GPIO

Write ‘1’ to enable interrupt signal from GPIO

Write ‘0’ to disable interrupt signal from GPIO

[6] PWM: Any channel of PWM has completed the programmed sequence

Write ‘1’ to enable interrupt signal from PWM

Write ‘0’ to disable interrupt signal from PWM

[5] Device wake up from SLEEP or HIBERNATE mode

Write ‘1’ to enable interrupt signal from wake-up event

Write ‘0’ to disable interrupt signal from wake-up event

[4] ENV: Possible drastic/abnormal environmental changes that requires attention from system

software. This event includes ‘calibration stuck’ and ‘tuning out of range’

Write ‘1’ to enable interrupt signal from calibration/tuning event

Write ‘0’ to disable interrupt signal from calibration/tuning event

[3] EOC: End of calibration

Write ‘1’ to enable interrupt signal from end of calibration event

Write ‘0’ to disable interrupt signal from end of calibration event

[2] TOUCH: Touchkey event

System should access touch detection register when this interrupt is received.

Touch interrupt source needs to be enabled to activate key filter data.

Write ‘1’ to enable interrupt signal from touch event

Write ‘0’ to disable interrupt signal from touch event

[1] RE2: Ratio engine 2 event

This bit needs to be enabled before accessing ratio engine data buffer

Write ‘1’ to enable interrupt signal from ratio engine 2

Write ‘0’ to disable interrupt signal from ratio engine 2

[0] RE1: Ratio engine 1 event

This bit needs to be enabled before accessing ratio engine data buffer

Write ‘1’ to enable interrupt signal from ratio engine 1

Write ‘0’ to disable interrupt signal from ratio engine 1

Obsolete

Product(s)

- Obsolete

Product(s)

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