6
4Bit Single Chip Microcontroller
DMC42C4008
ADDRESS
b3
3AEH
3AFH
3B2H
3C2H
3C3H
3C4H
3C5H
3C6H
3C7H
3D8H
3D9H
3DAH
3DBH
3DCH
3DDH
3DEH
3E0H
3E1H
3E2H
3E3H
3E4H
3E5H
3E6H
3E7H
3E8H
3E9H
3EAH
3EBH
3ECH
3EDH
3F0H
3F1H
3F2H
3F3H
3F4H
3F5H
3F6H
3F7H
3F8H
3F9H
3FAH
3FBH
3FCH
3FDH
Hardware Module Name
b2
b1
b0
Serial interface buffer1
(SBUFF1)
Power on flag (PONF)
IME
IPSR3
IPSR2
IPSR1
IPSR0
External interrupt mode register0
(IMOD0)
External interrupt mode register1
(IMOD1)
External interrupt mode register2
(IMOD2)
External interrupt mode register3
(IMOD3)
IE2
IRQ2
IEBT
IRQBT
IEAD8
IRQAD8 IEWT
IRQWT
IES0
IRQS0
IETC1
IRQTC1 IETC0
IRQTC0
IE1
IRQ1
IE0
IRQ0
IETC2
IRQTC2 IES1
IRQS1
IE3
IRQ3
PW03
PW02
PW01
PW00
PW13
PW12
PW11
PW10
PW23
PW22
PW21
PW20
PW33
PW32
PW31
PW30
PW43
PW42
PW41
PW40
PW53
PW52
PW51
PW50
PW63
PW62
PW61
PW60
PW73
PW72
PW71
PW70
PW83
PW82
PW81
PW80
PW93
PW92
PW91
PW90
PWA3
PWA2
PWA1
PWA0
PWB3
PWB2
PWB1
PWB0
PWC3
PWC2
PWC1
PWC0
PWD3
PWD2
PWD1
PWD0
PORT0 (R0)
PORT1 (R1)
PORT2 (R2)
PORT3 (R3)
PORT4 (R4)
PORT5 (R5)
PORT6 (R6)
PORT7 (R7)
PORT8 (R8)
PORT9 (R9)
PORTA (RA)
PORTB (RB)
PORTC (RC)
PORTD (RD)
R/W
R/W
Addressing Unit
1 bit
4 bit
8bit
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
REMARKS
serial shift register 1
power on reset flag
Interrupt priorty select, IME flag.
external interrupt 0 edge
detection
external interrupt 1 edge
detection
external interrupt 2 edge
detection
external interrupt 3 edge
detection
Interrupt EN/IRQ flag
Interrupt EN/IRQ flag
Interrupt EN/IRQ flag
Interrupt EN/IRQ flag
Interrupt EN/IRQ flag
Interrupt EN/IRQ flag
Interrupt EN/IRQ flag
port 0, 1 mode register (PMGA)
port 2, 3 mode register (PMGB)
port 4, 5 mode register (PMGC)
port 6, 7 mode register (PMGD)
port 8, 9 mode register (PMGE)
port a, b mode register (PMGF)
port c, d mode register (PMGG)
R0 Port Data Register
R1 Port Data Register
R2 Port Data Register
R3 Port Data Register
R4 Port Data Register
R5 Port Data Register
R6 Port Data Register
R7 Port Data Register
R8 Port Data Register
R9 Port Data Register
RA Port Data Register
RB Port Data Register
RC Port Data Register
RD Port Data Register
INITIAL
VALUE
00
0
00
00
00
00
00
0
0
0
0
0
0
0
00
00
00
00
00
00
00
0
0
0
0
0
0
0
0
0
0
0
0
0
0
P/W 3B2H.0
R/W 3C2H.3
W
W
W
W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
W
W
W
W
W
W
W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
O
O
DAEWOO [ DAEWOO SEMICONDUCTOR ]
