sh66k12 SinoWealth Micro-Electronics Corp. Ltd, sh66k12 Datasheet - Page 21

• Manufacturer Part Number: sh66k12
• Description: Mask 4-bit Microcontroller With Lcd Driver
• Manufacturer: SinoWealth Micro-Electronics Corp. Ltd

Application Circuits (continued)
AP3
OSC: 32.768KHz crystal (code option)
LCD: 1/3 duty, 1/2 bias
PORTB.1 = Output
When V
DD
is higher than V
LCD,
V
DD
reducing V
V
DD1
V
10K - 50K
DD
DD
V
DD1
to V
RESET
PORTB.1
V
DD1
DD
can regulate the voltage.
3 X 26 LCD
SH66K12
1/2 bias
21
OSCO
OSCI
TEST
GND
32768Hz
20p
20p
SH66K12