sh6611a SinoWealth Micro-Electronics Corp. Ltd, sh6611a Datasheet - Page 21

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

Application Circuits (for reference only)
SH6611A chip substrate connects to system ground.
AP1
AP2
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
OSC: 32.768KHz crystal (code option)
LCD: 1/3 duty, 1/2 bias
PORTB - D: I/O
PORTA.0: external interrupt
PORTA.1, PORTA.2: ALARM output (carrier frequency: 2KHz or 4KHz code option) (code option)
V
DD
0 - 50K
0.1uF
V
DD
0.1uF
0 - 50K
PORTA.0
RESET
RESET
PORTA - D
SH6611A
BUZZER
3 X 26 LCD
1/2 bias
4 X 26 or 3 X 26 LCD
SH6611A
1/3 bias
OSCO
OSCI
TEST
21/25
GND
TEST
OSCI
GND
890KΩ
32768Hz
20p
20p
V
DD
SH6611A
Ver 0.0