Datasheet > DMC42C2008

DMC42C2008

更新时间： 2024-01-12 01:23:36

品牌	Logo	应用领域
大宇电子 - DAEWOO		微控制器
页数	文件大小	规格书
22页	273K
描述
4Bit Single Chip Microcontroller

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DMC42C2008 数据手册

DMC42C2008

4Bit Single Chip Microcontroller

DESCRIPTION

FEATURE

The DMC42C2008 is a 4-bit single chip micro-

computer with 8K bytes ROM, and is manufactured

with CMOS silicon gate technology.

Memory Mapped I/O

Program Memory : 8192 x 10 bits

The DMC42C2008 includes peripherals such as 8-bit

Timer/Event Counters, 4-bit A/D Converter, 14-bit

PWM, 8-bit PWM, 6-bit PWM, Watchdog Timer, 4-ch

External Interrupts and OSD controller.

Data Memory

: 512 x 4 bits

Instructions

It provides the hardware features, architectural

enhancements and instructions that are necessary

to make it a powerful and cost effective controller

for applications requiring up to 64K bytes of program-

mable memory.

- Various Bit Manipulation

- 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 )

PIN CONFIGURATION

. 1.91 us ( XI/8 = 524.0KHz )

. 0.95 us ( XI/4 = 1.05MHz )

4 Register Bank

PC.0/PWM14 1

40 PC.1/PWM60

39 PC.2/PWM61

38 PC.3/PWM62

37 PWMOTB/80

General Register

- 8 x 4 bit x 4 Banks

P8.3

P0.3/INT3

P0.2/INT2

P0.1/INT1

P0.0/INT0

Accumulator

- Bit Accumulator (CY), 4 bit Accumulator (A),

8 bit Accumulator (XA)

PWMOTB/81

35 PWMOTB/82

34 P3.0

33 P3.1

Multiple Vectored Interrupt Source

- External Interrupts : 4

- Internal Interrupts : 3

RESETB

P8.2

32 P3.2

31 P3.3

VSS

30 P1.0

- Vsync Interrupts : 1

P8.1

29 P1.1

P8.0

28 P1.2

Watch timer

VDD

27 P1.3

- fast mode : 3.91 msec

- normal mode : 0.5 sec

- buzzer output : 1, 2, 4 KHz

P2.3

26 VBLNKPAD

25 VBPAD

24 P6.1/VGPAD

23 P6.0/VRPAD

22 VSYNCBP

21 HSYNCBP

P2.2

P2.0

P2.1

Basic interval timer

- 8 kinds of period

- Used stabilization wait timer to wake up

Stop mode

OSCIN

OSCOUT 20

Two 8-bit timer / event counters

12 3 4 5 6 7...22

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