sh6614 SinoWealth Micro-Electronics Corp. Ltd, sh6614 Datasheet - Page 32

• Manufacturer Part Number: sh6614
• Description: 4k 4-bit Microcontroller With Lcd Driver
• Manufacturer: SinoWealth Micro-Electronics Corp. Ltd

Application Circuit
AP1:
AP2:
OSC: Crystal oscillator 32.768KHz (mask option)
OSCX: Ceramic oscillator 455KHz
PORTB: I/O
PORTA.1, PORTA.2: ALARM output
LCD: Internal LCD 1/8 duty, 1/4 bias
OSC: RC oscillator 262KHz (mask option)
LCD: Internal LCD 1/4 duty, 1/3 bias
PORTA, PORTB: I/O
PORTA.0: External interrupt
(for reference only)
I/O
32768Hz
12p
I/O
10KΩ
930K
104
10KΩ
Ω
104
RESET
PORTA
PORTB
OSCO
OSCI
TEST
V
DD
PORTB
RESET
TEST
OSCO
OSCI
V
1/4 duty 1/3 bias
DD
1/8 duty 1/4 bias
4 x 34
8 x 30
32
PORTA.0
OSCXO
OSCXI
PORTA.2
PORTA.1
GND
OSCXO
OSCXI
GND
100 Ω
455KHz
20p
Ext.int
BUZZER
SH6614/B/C