APU4003T View Datasheet(PDF) - APLUS INTEGRATED CIRCUITS

Part Name

Description

Manufacturer

APU4003T

4-Bit Micro-Controller With EPROM, 1K Word

APLUS INTEGRATED CIRCUITS 

APU4003T

Instruction Machine Code

Function

RF X

111 0110 0XX0 0XXX X2: LIGHT OFF

X1: BCF Reset

X0: CF Reset

X7,X6 0,1 1,0 1,1

Signal DC 1K/2K 4K

ALM X

Xn=1 X5 X4 X3

111 0111 XXXX XXXX Signal 1Hz 2Hz 4Hz

Xn=1 X2 X1 X0

Signal 8Hz 16Hz 32Hz

SIE X

X5~7: HEF1~3 is Enabled

111 1000 XXX0 XXXX X0~3: IEF0~3 is Enabled

SIE* X

111 1010 0000 XXXX X0~3: IEF0~3 is Enabled

PLC X

X0~3: Reset HRF0~3

111 110X 0000 XXXX X8: Reset PH11~15

HALT

111 1111 1111 1111

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

PC: Program Counter

X: Address

D: Immediate Data

CF: Carry Flag

BCF: Backup Flag

IEFn: Interrupt Enable Flag

HEFn: HALT Release Enable Flag

HRFn: HALT Release Flag

SEFn: Switch Enable Flag

SCFn: Start Condition Flag

Ly: LCD Latch

Flag

BCF

CF

Preliminary

8

Ver. 0.0

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