EM73866 Ver la hoja de datos (PDF) - ELAN Microelectronics

Número de pieza

componentes Descripción

Fabricante

EM73866

4-BIT MICRO-CONTROLLER FOR LCD PRODUCT

ELAN Microelectronics 

EM73866

4-BIT MICRO-CONTROLLER FOR LCD PRODUCT

INCL

0111 1110

LR←LR + 1

1

INCM

0101 1111

RAM[HL]←RAM[HL]+1

1

SUBA #k 0110 1110 0111 kkkk Acc←k-Acc

2

SBCAM

0111 0010

Acc←RAM[HLl - Acc - CF'

1

SUBM #k 0110 1110 1111 kkkk RAM[HL]←k - RAM[HL]

2

1

- Z C'

1

- Z C'

2

- ZC

1

C ZC

2

- ZC

(4) Logical operation

Mnemonic Object code ( binary ) Operation description

ANDA #k

ANDAM

ANDM #k

ORA #k

ORAM

ORM #k

XORAM

0110 1110 0110 kkkk

0111 1011

0110 1110 1110 kkkk

0110 1110 0100 kkkk

0111 1000

0110 1110 1100 kkkk

0111 1001

Acc←Acc&k

Acc←Acc & RAM[HL]

RAM[HL]←RAM[HL]&k

Acc←Acc k

Acc ←Acc RAM[HL]

RAM[HL]←RAM[HL] k

Acc←Acc^RAM[HL]

Byte Cycle

2

2

1

1

2

2

2

2

1

1

2

2

1

1

Flag

C ZS

- Z Z'

- Z Z'

- Z Z'

- Z Z'

- Z Z'

- Z Z'

- Z Z'

(5) Exchange

Mnemonic

EXA x

EXAH

EXAL

EXAM

EXHL x

Object code ( binary ) Operation description

0110 1000 xxxx xxxx

0110 0110

0110 0100

0101 1000

0100 1100 xxxx xx00

Acc↔RAM[x]

Acc↔HR

Acc↔LR

Acc↔RAM[HL]

LR↔RAM[x],

HR↔RAM[x+1]

Byte Cycle

Flag

C ZS

2

2

- Z1

1

2

- Z1

1

2

- Z1

1

1

- Z1

2

2

- -1

(6) Branch

Mnemonic Object code ( binary ) Operation description

Byte Cycle

Flag

C ZS

SBR a

00aa aaaa

If SF=1 then PC←PC12-6.a5-0 1

else null

1

- -1

LBR a

1100 aaaa aaaa aaaa If SF= 1 then PC←a else null 2

2

- -1

SLBR a

0101 0101 1100 aaaa If SF=1 then PC←a else null 3

3

- -1

aaaa aaaa (a:1000~1FFFh)

0101 0111 1100 aaaa

aaaa aaaa (a:0000~0FFFh)

(7) Compare

Mnemonic Object code ( binary ) Operation description

CMP #k,y 0100 1011 kkkk yyyy k-RAM[y]

CMPA x 0110 1011 xxxx xxxx RAM[x]-Acc

* This specification are subject to be changed without notice.

Byte Cycle

Flag

C ZS

2

2 C Z Z'

2

2 C Z Z'

12.29.1999 36

Share Link: