APU4003 View Datasheet(PDF) - APLUS INTEGRATED CIRCUITS

Part Name

Description

Manufacturer

APU4003

4-Bit Micro-Controller With LCD Driver, 1K Word

APLUS INTEGRATED CIRCUITS 

APU4003

Instruction

RF X

ALM X

SIE X

SIE* X

PLC X

HALT

Machine Code

111 0110 0XXX XXXX

111 0111 XXXX XXXX

111 1000 XXXX XXXX

111 1010 0000 XXXX

111 110X XXXX XXXX

111 1111 1111 1111

Function

X6: M-PORT Low-L-H

X5: S-PORT Low-L-H

X2: LIGHT OFF

X1: BCF Reset

X0: CF Reset

X7,X6

0,1 1,0

Signal

DC 1K/2K

Xn=1

X5

X4

Signal

1Hz 2Hz

Xn=1

X2

X1

Signal

8Hz 16Hz

X5~7: HEF1~3 is Enabled

X0~3: IEF0~3 is Enabled

X0~3: IEF0~3 is Enabled

X0~3: Reset HRF0~3

X8: Reset PH11~15

1,1

4kHz

X3

4Hz

X0

32Hz

Remark

Symbol description

AC: Accumulator

ACn: Accumulator Bit N

Rx:

Memory of Address X

Rxn: Memory Bit N of Address X

Ry:

Memory of Working Register Y

D:

Immediate Data

PC: Program Counter

:

LCD Latch

CF:

BCF:

IEFn:

HEFn:

HRFn:

SEFn:

SCFn:

Carry Flag

Backup Flag

Interrupt Enable Flag

HALT Release Enable Flag

HALT Release Flag

Switch Enable Flag

Start Condition Flag

Flag

Preliminary

9

Ver. 0.0

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