Specifications

S1C62N82 TECHNICAL SOFTWARE EPSON II-75

CHAPTER 3: PERIPHERAL CIRCUITS (Interrupt and Halt)

This flag is set when the K10 input interrupt occurs.

The interrupt factor flag (IK1) is set to "1" when the contents

of the input (K10) and the interrupt differential register

(KCP10) do not match, and the corresponding interrupt

mask register (EIK10) is "1".

The contents of the IK1 flag can be loaded by software to

determine whether K10 input interrupt has occured.

The flag is reset when loaded by software. (See Figure

3.12.2.)

IK1

Address 0E9H

Input interrupt mask register

(EIK10)

Input interrupt factor

flag register (IK1)

INT

(Interrupt request)

Interrupt flag (I)

K10

Input comparison

Address 0E1H

Data bus

Address 0E6H

Fig. 3.12.2

K10 input interrupt circuit