Daewoo Semiconductor DMC42C3008, DMC42P3008 Datasheet
1
4Bit Single Chip Microcontroller
DMC42C3008
DESCRIPTION
The DMC42C3008 is a 4-bit single chip microcomputer having
8K bytes ROM and is designed with CMOS silicon gate technology.
The DMC42C3008 includes such peripherals as various timers,
A/D converter, serial communication interface,on-chip oscillator
and clock circuitry. It also comes with high-voltage I/O pins
that can directly drive a fluorescent display.
The high performance CPU and internal peripherals allow flexible & cost
effective system design in industrial and home appliances.
AND the OTP device (42P3008) can shorten system development periods
and help the process for software debugging.
PIN CONFIGURATION
7
36
6 37
20
19
21
18
17
16
15
14
13
12
11
10
9
5
4
3
2
1
PC3 / TOC
42
41
40
39
38
34
33
32
31
30
29
28
27
26
25
24
23
22
Vdisp
P10 / SCK
P11 / SI
P12 / SO
PC2
RESETB
8
XI
XO
VSS / AVSS
TEST
PA0 / AD0
PA1 / AD1
PA2 / AD2
PA3 / AD3
PB0 / AD4
PB1 / AD5
PB2 / AD6
PB3 / AD7
AVDD
VDD
P00 / INT0
P01 / INT1
P02 / INT2 / TI2
P13 / BUZ
P03 / INT3
P20 / CLO
P21
P22
P23
P60
P61
P62
P63
35
P40
P41
P42
P43
P50
P51
P52
P53
D
M
C
4
2
C
3
0
0
2
4Bit Single Chip Microcontroller
DMC42C3008
FEATURES
Memory mapped I/O
PWM
- 14 bit PWM output X 1ch
Program memory : 8192 x 10bits
8-bit serial communication interface
Data memory : 512 x 4bits
- External / Internal clock selection
- Mode : Transmit, Receive
Instructions
Receive only
- Various bit manipulation
Clock continuous
- 8-bit data operation
- 7-bit relative branch
8-bit A/D converter
- 1 byte absolute call
- 8-bit successive approximate type
- 8 channels
Instruction cycle times
- Sample and hold
- Main ( XI = 4.19MHz )
- Conversion time : 17.1us at 4.19MHz
. 15.3 us ( XI/64 = 65.5KHz )
. 1.91 us ( XI/8 = 524.0KHz )
34 I/O Pins
. 0.95 us ( XI/4 = 1.05MHz )
- CMOS Pins : 13
- High voltage Pins : 21
4 Register Bank
- Internal pull-up resistor ( Mask option )
- Internal pull-down resistor ( Mask option )
General register : 8 x 4-bit respectively
Power saving mode
Accumulator
- STOP : Main clock, CPU clock stop
- Bit Accumulator (CY), 4 bit Accumulator (A),
- STBY : Only CPU clock stop
8 bit Accumulator (XA)
Main clock operation
Multiple vectored interrupt source
Operating voltage range
- External interrupt : 4
- VDD = 5V ± 10%
- Internal interrupt : 6
- V
disp
= VDD - 40V
Watch timer(at 4.19MHz)
Package : 42 SDIP
- fast mode : 3.91 msec
- normal mode : 0.5 sec
APPLICATION
- buzzer output : 1, 2, 4 KHz
Microwave Oven, Home Appliances
Basic interval timer
- 8 kinds of period
- Used stabilization wait timer to wake up
Stop mode
One 8-bit timer / event counter
Watchdog timer
- 4 kinds of period
3
4Bit Single Chip Microcontroller
DMC42C3008
P00 ¡- P03
P10 ¡- P13
P20 ¡- P23
P40 ¡- P43
P50 ¡- P53
P60 ¡- P63
PA0 ¡- PA3
PB0 ¡- PB3
PC2 ¡- PC3
TOC / PC3
IRQTC 2
BLOCK DIAGRAM
DMC42CORE
BASIC
INTERVAL
TIMER
IRQBT
WATCH
TIMER
IRQWT
TIMER/EVENT
COUNTER 2
SERIAL
INTERFACE
IRQS0
INTERRUPT
CONTROL
8-BIT ADC
IRQAD
BUZ / P13
TI2 / P02
SCK / P10
SI / P11
SO / P12
INT3 / P03
PA0~PA3,
PB0~PB3/
AD0-AD7
PORT0
PORT1
PORT2
PORT4
PORT5
PORT6
PORTA
PORTB
PORTC
PROGRAM MEMORY
(8192 X 10BITS)
DATA MEMORY
(512 X 4BITS)
Fx / 2
n
CPU
CLOCK
AV
DDAVSSVDD
P20 / CLO
V
SS
XI
XO
RESETB
TEST
CLOCK
OUTPUT
CONTRO
CLOCK
DIVIDER
CLOCK
GENERATOR
STOP/
IDLE
CONTROL
WATCHDOG
TIMER
PULSE WIDTH
MODULATION
INT2 / P02
INT1 / P01
INT0 / P00
4
4Bit Single Chip Microcontroller
DMC42C3008
PROGRAM MEMORY (ROM)
VECTOR ADDRESS
CONTENTS Prioty INTERRUPT SUORCE
0000H
VECTOR
0000H
0 RESET
Reset Signal
ADDRESS AREA
0002H
1 IRQBT
Basic Interval Timer
001FH 0004H
2 IRQ0
External interrupt 0
0020H
ZERO-PAGE
0006H
3 IRQ1
External interrupt 1
CALL AREA
0008H
002FH 000AH
0060H 000CH
6 IRQ2
External interrupt 2
000EH
7 IRQTC2
Timer Event Counter 2
0010H
8 IRQ3
External interrupt 3
0012H
9 IRQS0
Serial I/O 0
0014H
10 IRQAD
8 bit ADC
8K Byte
0016H
0018H
12 IRQWT
Watch Timer
001AH
13 IRQKS
Key Scan
001CH
1FFFH 001EH
15 -
reserved
DATA MEMORY (RAM)
DIRECT
INDIRECT
STACK
GENERAL
m
@HL
@DE @DL
REGISTER
$00
RB=0
RB=1
PAGE0
RB=2
RB=4
(256 Byte)
MP=0
SPS=0
$FF
$00
PAGE1
(256 Byte)
MB=0
MB=0
MP=1
SPS=1
BANK 0
$FF
(1K)
$00
PAGE2
(256 Byte)
MP=2
SPS=2
$FF
$00
PAGE3
I/O
(256 Byte)
MEMORY
MP=3
; Usable
$FF
5
4Bit Single Chip Microcontroller
DMC42C3008
I/O ADDRESS MAP
ADDRESS Hardware Module Name R/W Addressing Unit REMARKS INITIAL
b3 b2 b1 b0 1 bit 4 bit 8bit VALUE
318H Stack pointer low (SPL) R/W O Stack pointer low E
319H Stack pointer high (SPH) R/W O stack pointer high F
31AH SP3 SP2 SP1 SP0 R/W O Stack Page Select Low (SPSL) 0
31BH - - SP5 SP4 R/W O Stack Page Select High (SPSh) 0
31CH AC IS1 IS0 R/W O O O Psw low (PSWL) 0
31DH CY Z OV T Psw high (PSWH) 0
32CH T/E counter mode register 2 W 32CH.3 clock source select. counter 00
32DH (TMOD2) start (ch2)
32EH T/E counter register 2 R readable count value (ch2) 00
32FH (TMCNT2)
330H T/E reference register 2 W count reference register (ch2) FF
331H (TMREF2)
332H Basic Timer mode register(BMOD) R/W 332H.3 clock select, Bit start 0
334H Basic interval timer count R readable count register 00
335H register(BITCNT)
336H Watch timer mode register R/W 336H.3 clock/buzzer select. bit3 00
337H (WMOD) readable
338H Watch dog timer mode register W clock source sel. timer EN/DIS 00
(WDTM)
339H WDTF R WDT flag 0
340H Pwm mode register0(PWMOD0) R/W 6.14bit pwm counter EN/DIS 0
342H Pwm0 data register high W O 14bit pwm data register high 00
343H (PWMODH)
344H Pwm0 data register low W O 14bit pwm data register low 00
345H (PWMODL)
354H PWM3 PWM2 PWM1 PWM0 W O pwm output enable mode 00
355H PWM6 PWM5 PWM4 register (PWM0 = 14bit)
386H Adc8 mode register (ADCM8) R/W 386H.3 O analog input pin select. start & 00
387H low 4bit readable
388H Adc8 output latch (ADCOL8) R O 8bit conversion data 00
389H
3A0H Power control register O system clock select, idle, stop 00
(PCON) R/W mode
3A2H Operating mode register (SCMOD) R/W O main/sub system clock select 0
3A4H Clock output mode register W O cpu clock output select, clock 00
(CLOMD) out EN/DIS
3A8H Serial interface mode register0 W 3A8H.3 O receive/transmit mode. clock 00
3A9H (SIOM0) select
3AAH Serial interface buffer0 R/W serial shift register 0 XX
3ABH (SBUFF0)
3B2H Power on flag (PONF) P/W 3B2H.0 O power on reset flag 0
3C2H IME R/W 3C2H.3 O Interrupt priorty select, IME flag. 00
3C3H IPSR3 IPSR2 IPSR1 IPSR0
6
4Bit Single Chip Microcontroller
DMC42C3008
ADDRESS Hardware Module Name R/W Addressing Unit REMARKS INITIAL
b3 b2 b1 b0 1 bit 4 bit 8bit VALUE
3C4H External interrupt mode register0 W O external interrupt 0 edge 00
(IMOD0) detection
3C5H External interrupt mode register1 W O external interrupt 1 edge 00
(IMOD1) detection
3C6H External interrupt mode register2 W O external interrupt 2 edge 00
(IMOD2) detection
3C7H External interrupt mode register3 W O external interrupt 3 edge 00
(IMOD3) detection
3D8H IE2 IRQ2 IEBT IRQBT R/W O O Interrupt EN/IRQ flag 0
3D9H IEAD8 IRQAD8 IEWT IRQWT R/W O O Interrupt EN/IRQ flag 0
3DAH IES0 IRQS0 R/W O O Interrupt EN/IRQ flag 0
3DBH R/W O O Interrupt EN/IRQ flag 0
3DCH IE1 IRQ1 IE0 IRQ0 R/W O O Interrupt EN/IRQ flag 0
3DDH IETC2 IRQTC2 R/W O O Interrupt EN/IRQ flag 0
3DEH IE3 IRQ3 R/W O O Interrupt EN/IRQ flag 0
3E0H PW03 PW02 PW01 PW00 W O port 0, 1 mode register (PMGA) 00
3E1H PW13 PW12 PW11 PW10
3E2H PW23 PW22 PW21 PW20 W O port 2, 3 mode register (PMGB) 00
3E3H PW33 PW32 PW31 PW30
3E4H PW43 PW42 PW41 PW40 W O port 4, 5 mode register (PMGC) 00
3E5H PW53 PW52 PW51 PW50
3E6H PW63 PW62 PW61 PW60 W O port 6, 7 mode register (PMGD) 00
3E7H PW73 PW72 PW71 PW70
3EAH PWA3 PWA2 PWA1 PWA0 W O port a, b mode register (PMGF) 00
3EBH PWB3 PWB2 PWB1 PWB0
3ECH PWC3 PWC2 PWC1 PWC0 W O port c, d mode register (PMGG) 00
3EDH PWD3 PWD2 PWD1 PWD0
3F0H PORT0 (R0) R/W O O R0 Port Data Register 0
3F1H PORT1 (R1) R/W O O R1 Port Data Register 0
3F2H PORT2 (R2) R/W O O R2 Port Data Register 0
3F4H PORT4 (R4) R/W O O O R4 Port Data Register 0
3F5H PORT5 (R5) R/W O O R5 Port Data Register 0
3F6H PORT6 (R6) R/W O O R6 Port Data Register 0
3FAH PORTA (RA) R/W O O RA Port Data Register 0
3FBH PORTB (RB) R/W O O RB Port Data Register 0
3FCH PORTC (RC) R/W O O O RC Port Data Register 0
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