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SD42P1008 Datasheet Preview

SD42P1008 Datasheet

4Bit Single Chip Microcontroller

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Semiconductor
SD42C/P1008
4Bit Single Chip Microcontroller
Description
The SD42C1008 is a microcomputer of the 4-bit single chip microcomputer SD42xx series
which can match an 8-bit microcomputer in the data processing capability.
The SD42C1008 can handle 1-bit, 4-bit, and 8-bit data as well as operates at high speed
(minimum instruction execution time : 0.95us) it contains a LCD pannel controller/driver.
Ordering Information
Type NO.
SD42C1008
Marking
SD42C1008
Package Code
QFP-80
Pin Configuration
SD42C1008
KSI-W029-000
1




AUK

SD42P1008 Datasheet Preview

SD42P1008 Datasheet

4Bit Single Chip Microcontroller

No Preview Available !

Features
Memory mapped I/O
Program memory : 8192 x 10bits
Data memory : 512 x 4bits
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
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 : 4
- Internal interrupt : 4
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
- Used stabilization wait timer to wake up Stop mode
One 8-bit timer / event counter
SD42C/P1008
8-bit serial communication interface
- External / Internal clock selection
- Mode : Transmit ·Receive
Receive only
Clock continuous
LCD controller/driver
- selectable number of segments ;
20/24/28/32 segment (4/8/12 lines can
be specified as bit ports)
- 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)
Key scan
- 4, 6, 8 Pins Selectable : Port 4, 5
- Falling edge operation
64 I/O Pins
- LCD driver output pins : 36
. Segment ouput pins : 20
. Segment CMOS output pins : 12
. Common ounput pins : 4
- CMOS input/output pins : 32
Power saving mode
- STOP : Main clock, CPU clock stop
- STBY : Only CPU clock stop
Main clock operation
APPLICATION
VTR, Camera, Rice Cooker, Telephone
Blood Pressure Gauge, CD Player
KSI-W029-000
2


Part Number SD42P1008
Description 4Bit Single Chip Microcontroller
Maker AUK
Total Page 20 Pages
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