sh6611a SinoWealth Micro-Electronics Corp. Ltd, sh6611a Datasheet - Page 22

• Manufacturer Part Number: sh6611a
• Description: 1k 4-bit Microcontroller With Lcd Driver
• Manufacturer: SinoWealth Micro-Electronics Corp. Ltd

Application Circuits (continued)
AP3
AP4
OSC: 32.768KHz
LCD: 1/3 duty, 1/2 bias
PORTB.1 = Output
When V
OSC : RC: 262K (code option)
LCD Panel: 1/4 duty, 1/3 bias; (S/W select 1/4 duty, auto 1/3 bias)
LCD Panel: 1/3 duty, 1/3 bias; (S/W select 1/4 duty, auto 1/3 bias; ignore duty 4 segments)
PORTA - D : I/O
Use
Internal pull high resistor for RESET pin (Code Option)
DD
is higher than V
V
DD
LCD
V
DD
, reducing V
V
DD
V
0.1uF
DD1
0 - 50K
RESET
PORTA - D
RESET
PORTB.1
V
DD
DD
4 X 26 or 3 X 26 LCD
SH6611A
toV
1/3 bias
3 X 26 LCD
SH6611A
DD1
1/2 bias
can regulate the voltage.
22/25
TEST
OSCI
GND
OSCO
TEST
OSCI
GND
890K Ω
32768Hz
V
DD
20p
20p
SH6611A
Ver 0.0