DMC42C1106 Просмотр технического описания (PDF) - Daewoo Semiconductor

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DMC42C1106

4Bit Single Chip Microcontroller

Daewoo Semiconductor 

4Bit Single Chip Microcontroller

2

DMC42C1106

FEATURE

Memory mapped I/O

Program memory : 6144 x 10bits

Data memory : 384 x 4bits

8-bit serial communication interface

- External / Internal clock selection

- Mode : Transmit ·Receive

Receive only

Clock continuous

Instructions

- Various bit manipulation

- 8-bit data operation

- 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 )

- Sub ( XTI = 32.768KHz )

. 122 us ( XTI/4 = 8.19KHz )

4 Register Bank

LCD controller/driver

- selectable number of segments (21)

- Display mode selection

· Static

· 1/2 duty (1/2 bias)

· 1/3 duty (1/2 bias)

· 1/3 duty (1/3 bias)

· 1/4 duty (1/3 bias)

50 I/O Pins

- LCD driver output pins : 25

. Segment ouput pins : 9

. Segment CMOS outputpins : 12

. Common ounput pins : 4

- CMOS input/output pins : 25

General register : 8 x 4-bit respectively

Accumulator

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

8 bit Accumulator (XA)

Multiple vectored interrupt source

- External interrupt : 3

- Internal interrupt : 6

Watch timer

- fast mode : 3.91 msec

- normal mode : 0.5 sec

- buzzer output : 1, 2, 4 KHz

Power saving mode

- STOP : Main clock, CPU clock stop

- STBY : Only CPU clock stop

Main clock operation

Package : 64 QFP, 64 SDIP

APPLICATION

VTR, Camera, Rice Cooker, Telephone

Blood Pressure Gauge, CD Player

Basic interval timer

- 8 kinds of period

- Used stabilization wait timer to wake up Stop mode

Two 8-bit timer / event counters

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