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PDF DMC42C2008 Data sheet ( Hoja de datos )
| Número de pieza | DMC42C2008 | |
| Descripción | 4Bit Single Chip Microcontroller | |
| Fabricantes | Daewoo Semiconductor | |
| Logotipo |  |
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1
.com4Bit Single Chip Microcontroller
DMC42C2008
et4UDESCRIPTION
FEATURE
SheThe DMC42C2008 is a 4-bit single chip micro-
tacomputer with 8K bytes ROM, and is manufactured
awith CMOS silicon gate technology.
.DThe DMC42C2008 includes peripherals such as 8-bit
Timer/Event Counters, 4-bit A/D Converter, 14-bit
wPWM, 8-bit PWM, 6-bit PWM, Watchdog Timer, 4-ch
wExternal Interrupts and OSD controller.
w It provides the hardware features, architectural
Memory Mapped I/O
Program Memory : 8192 x 10 bits
Data Memory : 512 x 4 bits
Instructions
- Various Bit Manipulation
enhancements and instructions that are necessary
to make it a powerful and cost effective controller
mfor applications requiring up to 64K bytes of program-
mable memory.
.coPIN CONFIGURATION
et4UPC.0/PWM14 1
40 PC.1/PWM60
P8.3
2
39 PC.2/PWM61
eP0.3/INT3 3
38 PC.3/PWM62
hP0.2/INT2 4
P0.1/INT1 5
37 PWMOTB/80
D 36 PWMOTB/81
SP0.0/INT0
XI
taXO
RESETB
6
7
8
9
M 35 PWMOTB/82
C 34 P3.0
33 P3.1
4 32 P3.2
aP8.2
10
2
31 P3.3
VSS 11 C 30 P1.0
P8.1
.DP8.0
12
13
2
29 P1.1
28 P1.2
VDD
14
0
27 P1.3
wP2.3
15
0
26 VBLNKPAD
P2.2
16
8
25 VBPAD
P2.0
17
24 P6.1/VGPAD
wP2.1
18
23 P6.0/VRPAD
wOSCIN 19
22 VSYNCBP
- 8 bit Data Transfer, Compare, Arithmatic
- 7 bit Relative Branch
- 1 byte Absolute Call
Instruction cycle times
- Main ( XI = 4.19MHz )
. 15.3 us ( XI/64 = 65.5KHz )
. 1.91 us ( XI/8 = 524.0KHz )
. 0.95 us ( XI/4 = 1.05MHz )
4 Register Bank
General Register
- 8 x 4 bit x 4 Banks
Accumulator
- Bit Accumulator (CY), 4 bit Accumulator (A),
8 bit Accumulator (XA)
Multiple Vectored Interrupt Source
- External Interrupts : 4
- Internal Interrupts : 3
- Vsync Interrupts : 1
Watch timer
- fast mode : 3.91 msec
- normal mode : 0.5 sec
- buzzer output : 1, 2, 4 KHz
Basic interval timer
- 8 kinds of period
OSCOUT 20
21 HSYNCBP
- Used stabilization wait timer to wake up
mStop mode
www.DataSheet4U.coTwo 8-bit timer / event counters
1 page  
4Bit Single Chip Microcontroller
5
DMC42C2008
I/O ADDRESS MAP
ADDRESS
Hardware Module Name
b3 b2 b1 b0
318H Stack pointer low (SPL)
319H Stack pointer high (SPH)
31AH SP3 SP2 SP1 SP0
31BH
-
- SP5 SP4
31CH
AC
IS1 IS0
31DH
CY
Z
OV
T
320H T/E counter mode register 0
321H (TMOD0)
322H T/E counter register 0
323H (TMCNT0)
324H T/E reference register 0
325H (TMREF0)
326H T/E counter mode register 1
327H (TMOD1)
328H T/E counter register 1
329H (TMCNT1)
32AH T/E reference register 1
32BH (TMREF1)
332H Basic Timer mode register(BMOD)
334H Basic interval timer count
335H register(BITCNT)
336H Watch timer mode register
337H (WMOD)
338H Watch dog timer mode register
(WDTM)
339H
WDTF
340H Pwm mode register0(PWMOD0)
342H Pwm0 data register high
343H (PWMODH)
344H Pwm0 data register low
345H (PWMODL)
346H Pwm channel start mode register
347H (PWMSM)
348H Pwm60 data register (PWMDR0)
349H
34AH Pwm61 data register (PWMDR1)
34BH
34CH Pwm62 data register (PWMDR2)
34DH
354H PWM3 PWM2 PWM1 PWM0
355H
PWM6 PWM5 PWM4
358H Pwm mode register 1 (PWMOD1)
35AH Pwm80 data register (PWMDR80)
35BH
R/W Addressing Unit
REMARKS
1 bit 4 bit 8bit
R/W
O Stack pointer low
R/W
O stack pointer high
R/W
O Stack Page Select Low (SPSL)
R/W
O Stack Page Select High (SPSh)
R/W O O O Psw low (PSWL)
Psw high (PSWH)
W 320H.3
O Clock source select. counter
start (ch0)
R readable count value (ch0)
W count reference register (ch0)
W 326H.3
R
clock source select. counter start
(ch1)
readable count value (ch1)
W count reference register (ch1)
R/W 332H.3
R
clock select, Bit start
readable count register
R/W 336H.3
W
clock/buzzer select. bit3
readable
clock source sel. timer EN/DIS
R
R/W
W
WDT flag
6.14bit pwm counter EN/DIS
O 14bit pwm data register high
W O 14bit pwm data register low
W O 6bit*6ch, 14bit pwm start EN/DIS
W O 6bit pwm channel 0 data register
W O 6bit pwm channel 1 data register
W O 6bit pwm channel 2 data register
W O pwm output enable mode
register (PWM0 = 14bit)
W O 8bit pwm control
W O 8bit pwm channel 0 data register
INITIAL
VALUE
E
F
0
0
0
0
00
00
FF
00
00
FF
0
00
00
00
0
0
00
00
00
00
00
00
00
00
5 Page 
4Bit Single Chip Microcontroller
11
DMC42C2008
ABSOLUTE MAXIMUM RATINGS
(TA = 0¡É to 70¡É, VDD = 5V ±10%, fX = 4.19MHz)
PARAMETER
SYMBOL CONDITION
Supply Voltage
VDD
-
Input Voltage
VI All I/O ports
Output Voltage
VO All I/O ports
Output Current High
IOH One I/O port active
All I/O ports active
Output Current Low
IOL One I/O port active
All I/O ports active
Operating Temperature TA
Industrial
Commercial
Storage Temperature Tstg
-
RATING
-0.3 to +7.0
-0.3 to VDD+0.3
-0.3 to VDD+0.3
-10
-100
20
200
-40 to +85
0 to +70
-55 to +125
UNIT
V
V
V
mA
mA
¡É
¡É
* Exceeding beyond those listed values under "Absolute Maximum Ratings" may cause permanent damage
to the device.
11 Page | ||
| Páginas | Total 22 Páginas | |
| PDF Descargar | [ Datasheet DMC42C2008.PDF ] | |
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