SM89516B datasheet(39/49 Pages) SYNCMOS

39 / 49 page

SM89516B

8-Bit Micro-controller

64KB Flash

& 1KB RAM embedded

Specifications subject to change without notice contact your sales representatives for the most recent information.

ISSFD-M087

Ver D SM89516B 08/07/2015

- 39 -

ET2: ET2=0 – Disable Timer 2 overflow or external reload interrupt.

ET2=1 – Enable Timer 2 overflow or external reload interrupt.

ES: ES=0 – Disable Serial channel interrupt.

ES=1 – Enable Serial channel interrupt.

ET1: ET1=0 – Disable Timer 1 overflow interrupt.

ET1=1 – Enable Timer 1 overflow interrupt.

EX1: EX1=0 – Disable external interrupt 1.

EX1=1 – Enable external interrupt 1.

ET0: ET0=0 – Disable Timer 0 overflow interrupt.

ET0=1 – Enable Timer 0 overflow interrupt.

EX0: EX0=0 – Disable external interrupt 0.

EX0=1 – Enable external interrupt 0.

Mnemonic: IE1

Address: A9h

Reset

ETWSI

00h

ETWSI: ETWSI =0 – Disable TWSI interrupt.

ETWSI =1 – Enable TWSI interrupt.

Mnemonic: IP

Address: B8h

Reset

PT2

PT1

PX1

PT0

PX0

00H

PT2: Timer2 interrupt priority bit.

PS: Serial port interrupt priority bit.

PT1: Timer1 interrupt priority bit.

PX1: External interrupt 1 priority bit.

PT0: Timer 0 interrupt priority bit.

PX0: External interrupt 0 priority bit.

Mnemonic: IP1

Address: B9h

Reset

PTWSI

00H

PTWSI: TWSI interrupt priority bit.

Interrupt Priority Table

IP.x

Priority Level

(highest)

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