EM73880 데이터 시트보기 (PDF) - ELAN Microelectronics

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EM73880

4-BIT MICRO-CONTROLLER FOR LCD PRODUCT

ELAN Microelectronics 

**** SYMBOL DESCRIPTION

EM73880

4-BIT MICRO-CONTROLLER FOR LCD PRODUCT

Preliminary

Symbol

HR

PC

SP

ACC

CF

SF

EI

MASK

ΤΑ

RAM[HL]

ROM[DP]

L

[DP]L

[DP]H

[TA] ([TB] )

M

M

←

+

&

^

.

x

p

r

LR 1-0

LR3-2

Description

Symbol

H register

Program counter

Stack pointer

Accumulator

Carry flag

Status flag

Enable interrupt register

Interrupt mask

Timer/counter A

Data memory (address : HL )

Low 4-bit of program memory

Low 4-bit of data pointer register

High 4-bit of data pointer register

LR

DP

STACK[SP]

FLAG

ZF

IL

PORT[p]

ΤΒ

RAM[x]

ROM[DP]

H

[DP]M

[TA]L([TB]L)

Middle 4-bit of timer/counter A

(timer/counter B) register

Transfer

Addition

Logic AND

Logic XOR

Concatenation

8-bit RAM address

4-bit or 5-bit port address

6-bit interrupt latch

Contents of bit assigned by bit

1 to 0 of LR

Bit 3 to 2 of LR

[TA] ([TB] )

H

H

↔

-

'

#k

y

b

PC11-6

a5-0

Description

L register

Data pointer

Stack specified by SP

All flags

Zero flag

Interrupt latch

Port ( address : p )

Timer/counter B

Data memory (address : x )

High 4-bit of program memory

Middle 4-bit of data pointer register

Low 4-bit of timer/counter A

(timer/counter B) register

High 4-bit of timer/counter A

(timer/counter B) register

Exchange

Substraction

Logic OR

Inverse operation

4-bit immediate data

4-bit zero-page address

Bit address

Bit 11 to 6 of program counter

Bit 5 to 0 of destination address for

branch instruction

* This specification are subject to be changed without notice.

11.30.2001 40

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