Oki MSM80C154S User Manual

Page 15

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273

MSM80C154S/83C154S

¡ Semiconductor

Interrupt control bit for external interrupt 0.
Interrupt disabled when bit is "0".
Interrupt enabled when bit is "1".

NAME

ADDRESS

MSB

LSB

7

6

5

4

3

2

1

0

BIT LOCATION

FLAG

FUNCTION

IE

0A8H

EA

ET2

ES

ET1

EX1

ET0

EX0

IE.0

EX0

Interrupt control bit for timer interrupt 0.
Interrupt disabled when bit is "0".
Interrupt enabled when bit is "1".

IE.1

ET0

Interrupt control bit for external interrupt 1.
Interrupt disabled when bit is "0".
Interrupt enabled when bit is "1".

IE.2

EX1

Interrupt control bit for timer interrupt 1.
Interrupt disabled when bit is "0".
Interrupt enabled when bit is "1".

IE.3

ET1

Interrupt control bit for serial port.
Interrupt disabled when bit is "0".
Interrupt enabled when bit is "1".

IE.4

ES

Interrupt control bit for timer interrupt 2.
Interrupt disabled when bit is "0".
Interrupt enabled when bit is "1".

IE.5

ET2

Reserved bit. The output data is "1" if the bit is read.

IE.6

Overall interrupt control bit.
All interrupts are disabled when bit is "0".
All interrupts are controlled by IE.0 thru IE.5 when bit is "1".

IE.7

EA

Interrupt enable register (IE)

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