APU4006 View Datasheet(PDF) - APLUS INTEGRATED CIRCUITS

Part Name

Description

Manufacturer

APU4006

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

APLUS INTEGRATED CIRCUITS 

APLUS

APU4006

Instruction

ALM X

SIE

X

SIE* X

PLC X

HALT

Machine Code

111 0111 XXXX XXXX

111 1000 XXXX XXXX

111 1010 0000 XXXX

111 110X XXXX XXXX

111 1111 1111 1111

X7,X6

Signal

Xn = 1

Signal

Xn = 1

Signal

X5-7

X0-3

X0-3

X0-3

X8

Function

0,1 1,0 1,1

DC 1K/2K 4K Hz

X5

X4

X3

1 Hz 2 Hz 4 Hz

X2

X1

X0

8 Hz 16 Hz 32 Hz

: HEF1-3 is Enabled

: IEF0-3 is Enabled

: IEF0-3 is Enabled

: Reset HRF0-3

: Reset PH11-15

Remark

Flag

6.5 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

CF

BCF

IEFn

HEFn

SCFn

Ly

: Carry Flag

: Backup Flag

: Interrupt Enable Flag

: Halt Release Enable Flag

HRFn : Halt Release Flag

: Start Condition Flag

: LCD Latch

8/8

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