EM73A88A データシートの表示（PDF） - ELAN Microelectronics

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EM73A88A

4-BIT MICRO-CONTROLLER FOR LCD PRODUCT

ELAN Microelectronics 

EM73A88A

4-BIT MICRO-CONTROLLER FOR LCD PRODUCT

Preliminary

PC 0 0 a a a a a a a a a a a

RET

Object code: 0100 1111

Condition: PC ← STACK[SP]; SP + 1

PC The return address stored in stack

RT I

Object code: 0100 1101

Condition : FLAG. PC ← STACK[SP]; EI ← 1; SP + 1

PC The return address stored in stack

(3) Interrupt acceptance operation:

When an interrupt is accepted, the original PC is pushed into stack and interrupt vector will be loaded into

PC. The interrupt vectors are as follows :

INT0 (External interrupt from P8.2)

PC 0 0 0 0 0 0 0 0 0 0 0 1 0

SPI (speech end interrupt)

PC 0 0 0 0 0 0 0 0 0 0 1 0 0

TRGA (Timer A overflow interrupt)

PC 0 0 0 0 0 0 0 0 0 0 1 1 0

TRGB (Time B overflow interrupt)

PC 0 0 0 0 0 0 0 0 0 1 0 0 0

TBI (Time base interrupt)

PC 0 0 0 0 0 0 0 0 0 1 0 1 0

INT1 (External interrupt from P8.0)

PC 0 0 0 0 0 0 0 0 0 1 1 0 0

(4) Reset operation:

PC 0 0 0 0 0 0 0 0 0 0 0 0 0

* This specification are subject to be changed without notice.

10.8.2001 9

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