sh66l08a SinoWealth Micro-Electronics Corp. Ltd, sh66l08a Datasheet - Page 2

• Manufacturer Part Number: sh66l08a
• Description: 1k 4-bit Micro-controller With Lcd Driver
• Manufacturer: SinoWealth Micro-Electronics Corp. Ltd

Block Diagram
GND
V
DD
LCD Data Memory
System Register
Power Circuit
Data Memory
256 X 4 Bits
32 X 4 Bits
34 X 4 Bits
RAM
RAM
RAM
CPU
Alarm Generater
1024 X 16 Bits
8-Bit Timer1
8-Bit Timer0
Watchdog
Timer
ROM
2
PORTD (4-Bit)
PORTC (4-Bit)
PORTB (4-Bit)
PORTA (4-Bit)
Reset Circuit
LCD
PORTD.3-0 (SEG31-34)
SEG1 - 26
COM1 - 4
PORTC.3-0 (SEG27-30)/
Port interrupt
PORTB.3-0/Port interrupt
PORTA.0/External interrupt
PORTA.1
PORTA.2
PORTA.3
Reset
SH66L08A