sh66k51a SinoWealth Micro-Electronics Corp. Ltd, sh66k51a Datasheet - Page 7

• Manufacturer Part Number: sh66k51a
• Description: 2k 4-bit Micro-controller With Lcd Driver
• Manufacturer: SinoWealth Micro-Electronics Corp. Ltd

Pad Descriptions (Total 55 pads)
Pad No.
22 - 24
20 - 19
53 - 56
49 - 52
48 - 31
28 - 30
25 - 27
5 - 8
1 - 4
21
18
17
16
15
14
13
12
11
10
9
OSCXO/PORTE.1
OSCXI/PORTE.0
SEG29-SEG27/
SEG9 - SEG26
COM4 - COM6
COM1 - COM3
SEG4 - SEG1/
SEG8 - SEG5/
Designation
PORTC [3:0]
PORTD [3:0]
PORTB [3:0]
PORTA [3:0]
VP1 - VP3
PINFUSE
CUP1 - 2
RESET
OSCO
VSUB
TEST
OSCI
REM
GND
V
DD
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
O
O
P
P
P
P
P
P
I
I
I
LCD Segment 9 - 26
Power supply pin for LCD
Connection for LCD bias capacitor
Power supply pin, connected to external capacitor
Reset input (Optional internal pull-high)
Test pin (Internal pull-low)
Carrier synthesizer for infrared or RF output pin
Power supply
Power supply for FUSE (No use for user)
Oscillator input pin
Oscillator output pin
Oscillator X input pin connected to ceramic oscillator
Shared with bit programmable I/O pin
Oscillator X output pin connected to ceramic oscillator
Shared with bit programmable I/O pin
Ground pin
Bit programmable I/O pins
Bit programmable I/O pins, vector interrupt (Active falling edge)
LCD Segment 4 - 1
Shared with bit programmable I/O pins, vector interrupt (Active falling edge)
LCD Segment 8 - 5
Shared with bit programmable I/O pins
LCD Segment 29, 28, 27. Shared with LCD Common 4, 5 and 6
LCD Common 1 - 3
7
Descriptions
SH66K51A