sh6614d SinoWealth Micro-Electronics Corp. Ltd, sh6614d Datasheet - Page 33
sh6614d
Manufacturer Part Number
sh6614d
Description
4k 4-bit Microcontroller With Lcd Driver
Manufacturer
SinoWealth Micro-Electronics Corp. Ltd
Datasheet
1.SH6614D.pdf
(40 pages)
- Current page: 33 of 40
- Download datasheet (400Kb)
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.1/8 DUTY 1/4 bias
SEG1 - SEG4 as SCAN outport
32768Hz
12p
I/O
PORTB0
PORTB1
PORTB2
PORTB3
COM1
COM8
SEG30
SEG1
SEG4
SEG3
SEG2
10KΩ
104
PORTB
OSCO
TEST
OSCI
RESET
V
DD
LCD PANNEL
PORTA.2
PORTA.1
OSCXO
OSCXI
GND
33
(
100 ~ 120KΩ
V
10KΩ
DD
= 3 ~ 5v)
D
1
5
9
KEY BOARD
8050
SPEAKETR
A
E
2
6
B
F
3
7
C
G
4
8
SH6614D
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