SD42C4404 Datasheet, PDF (4/19 Pages) AUK corp – 4Bit Single Chip Microcontroller

Program Memory (ROM)
0000H
001FH
0020H
005FH
0060H
CONTENTS
VECTOR
ADDRESS AREA
ZERO-PAGE
CALL AREA
0FFFH
4K Byte
SD42C/P4404
Vector Address
0000H
0002H
0004H
0006H
0008H
000AH
000CH
000EH
0010H
0012H
0014H
0016H
0018H
001AH
001CH
001EH
Prioty
0
1
2
3
5
9
10
12
13
15
INTERRUPT SUORCE
RESET
Reset Signal
IRQBT
Basic Interval Timer
IRQ0
External interrupt 0
IRQ1
External interrupt 1
IRQTC1 Timer Event Counter 1
IRQS0
IRQAD
IRQWT
IRQKS
-
Serial I/O 0
8 bit ADC
Watch Timer
Key Scan
reserved
Data Memory (RAM)
$00
PAGE0
(256 Byte)
DIRECT
m
INDIRECT
STACK
@HL
@DE @DL
MP=0
SPS=0
GENERAL
REGISTER
RB=0
RB=1
RB=2
RB=4
$FF
$00
PAGE1
(256 Byte)
MB=0
MB=0
MP=1
SPS=1
BANK 0
(1K)
$FF
$00
PAGE2
(256 Byte)
MP=2
SPS=2
$FF
$00
PAGE3
(256 Byte)
I/O
MEMORY
MP=3
; Usable
$FF
KSI-W031-000
4