sh6613 SinoWealth Micro-Electronics Corp. Ltd, sh6613 Datasheet - Page 28

• Manufacturer Part Number: sh6613
• Description: 4k 4-bit Microcontroller With Lcd Driver
• Manufacturer: SinoWealth Micro-Electronics Corp. Ltd

AP3:
AP4:
OSC: Crystal oscillator 32.768KHz(mask option)
OSCX: RC oscillator 1.8MHz
PORTB: I/O
PORTA.1: PSG output
PORTA.2: PSG output
Internal LCD bias.1/4 DUTY 1/3bias
SEG1~SEG4 as SCAN outpost
32768Hz
PORTB0
PORTB1
PORTB2
PORTB3
12p
COM1
COM4
SEG34
SEG4
SEG3
SEG2
SEG1
I/O
10KΩ
PORTB
OSCO
TEST
OSCI
RESET
V
DD
LCD PANNEL
PORTA.2
PORTA.1
OSCXO
OSCXI
28/33
GND
100~120KΩ
(V
10KΩ
DD
=3~5v)
D
1
5
9
KEY BOARD
8050
A
E
2
6
SPEAKETR
3
7
B
F
G
C
4
8
SH6613/B/C
V1.2