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DMC42C3008 Schematic ( PDF Datasheet ) - Daewoo Semiconductor

Teilenummer DMC42C3008
Beschreibung 4Bit Single Chip Microcontroller
Hersteller Daewoo Semiconductor
Logo Daewoo Semiconductor Logo 




Gesamt 20 Seiten
DMC42C3008 Datasheet, Funktion
.com4Bit Single Chip Microcontroller
et4UDESCRIPTION
SheThe DMC42C3008 is a 4-bit single chip microcomputer having
ta8K bytes ROM and is designed with CMOS silicon gate technology.
The DMC42C3008 includes such peripherals as various timers,
aA/D converter, serial communication interface,on-chip oscillator
.Dand clock circuitry. It also comes with high-voltage I/O pins
wthat can directly drive a fluorescent display.
wThe high performance CPU and internal peripherals allow flexible & cost
weffective system design in industrial and home appliances.
1
DMC42C3008
AND the OTP device (42P3008) can shorten system development periods
and help the process for software debugging.
mPIN CONFIGURATION
.coVdisp
1
P10 / SCK
P11 / SI
UP12 / SO
2
3
4
t4PC2
5
PC3 / TOC 6
RESETB
eXI
XO
7
8
9
eVSS / AVSS 10
TEST
11
hPA0 / AD0 12
PA1 / AD1 13
SPA2 / AD2
PA3 / AD3
taPB0 / AD4
PB1 / AD5
aPB2 / AD6
PB3 / AD7
.DAVDD
wwwVDD
14
15
16
17
18
19
20
21
D
M
C
4
2
C
3
0
0
8
42 P53
41 P52
40 P51
39 P50
38 P43
37 P42
36 P41
35 P40
34 P63
33 P62
32 P61
31 P60
30 P23
29 P22
28 P21
27 P20 / CLO
26 P03 / INT3
25 P13 / BUZ
24 P02 / INT2 / TI2
23 P01 / INT1
22 P00 / INT0
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DMC42C3008 Datasheet, Funktion
4Bit Single Chip Microcontroller
6
DMC42C3008
ADDRESS
Hardware Module Name
b3 b2 b1 b0
3C4H External interrupt mode register0
(IMOD0)
3C5H External interrupt mode register1
(IMOD1)
3C6H External interrupt mode register2
(IMOD2)
3C7H External interrupt mode register3
(IMOD3)
3D8H IE2
IRQ2 IEBT IRQBT
3D9H IEAD8 IRQAD8 IEWT IRQWT
3DAH
IES0 IRQS0
3DBH
3DCH IE1
IRQ1 IE0
IRQ0
3DDH IETC2 IRQTC2
3DEH
IE3 IRQ3
3E0H PW03 PW02 PW01 PW00
3E1H PW13 PW12 PW11 PW10
3E2H PW23 PW22 PW21 PW20
3E3H PW33 PW32 PW31 PW30
3E4H PW43 PW42 PW41 PW40
3E5H PW53 PW52 PW51 PW50
3E6H PW63 PW62 PW61 PW60
3E7H PW73 PW72 PW71 PW70
3EAH PWA3 PWA2 PWA1 PWA0
3EBH PWB3 PWB2 PWB1 PWB0
3ECH PWC3 PWC2 PWC1 PWC0
3EDH PWD3 PWD2 PWD1 PWD0
3F0H PORT0 (R0)
3F1H PORT1 (R1)
3F2H PORT2 (R2)
3F4H PORT4 (R4)
3F5H PORT5 (R5)
3F6H PORT6 (R6)
3FAH PORTA (RA)
3FBH PORTB (RB)
3FCH PORTC (RC)
R/W
W
W
W
W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
W
Addressing Unit
1 bit 4 bit 8bit
O
O
O
O
OO
OO
OO
OO
OO
OO
OO
O
REMARKS
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)
W O port 2, 3 mode register (PMGB)
W O port 4, 5 mode register (PMGC)
W O port 6, 7 mode register (PMGD)
W O port a, b mode register (PMGF)
W O port c, d mode register (PMGG)
R/W O
O
R0 Port Data Register
R/W O
O
R1 Port Data Register
R/W O
O
R2 Port Data Register
R/W O O O R4 Port Data Register
R/W O
O
R5 Port Data Register
R/W O
O
R6 Port Data Register
R/W O
O
RA Port Data Register
R/W O
O
RB Port Data Register
R/W O O O RC Port Data Register
INITIAL
VALUE
00
00
00
00
0
0
0
0
0
0
0
00
00
00
00
00
00
0
0
0
0
0
0
0
0
0

6 Page









DMC42C3008 pdf, datenblatt
4Bit Single Chip Microcontroller
12
DMC42C3008
Notes : 1. Excludes current flowing through pull-up MOS output buffers.
2. IDD is the source current when no I/O current is flowing while the MCU is in reset state.
Test condition : MCU : Reset
Pins : RESETB, TEST at VSS
P1.0~1.2, PA, PB, PC.2~3 at VDD
P0, P1.3, P2, P4, P5, P6 at Vdisp
3. ISBY is the source current when no I/O current is flowing while the MCU timer is operating.
Test condition : MCU : I/O Reset
Standby mode
Pins : RESETB at VDD
TEST at VSS
P1.0~1.2, PA, PB, PC.2~3 at VDD
P0, P1.3, P2, P4, P5, P6 at Vdisp
4. This is the source current when no I/O current is flowing.
Test condition : Pins : P1.0~1.2, PA, PB, PC.2~3 at VDD
P0, P1.3, P2, P4, P5, P6 at VSS
XI clock stop after stop mode
5. Current dissipation is in proportion to fX while the MCU is operating or in standby mode.

12 Page





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