sh66k31c SinoWealth Micro-Electronics Corp. Ltd, sh66k31c Datasheet - Page 3

• Manufacturer Part Number: sh66k31c
• Description: Mask 4-bit Micro-controller
• Manufacturer: SinoWealth Micro-Electronics Corp. Ltd

Pin Descriptions
2, 1, 20, 19
Pin No.
14 - 12
18 - 15
4, 3
10
11
5
6
7
8
9
Designation
PORTC.3 - 0
PORTD.1 - 0
PORTA.0/T0
PORTA.3 - 1
PORTB.3 - 0
RESET
OSCO
OSCI
GND
REM
V
DD
I/O
I/O
I/O
I/O
I/O
I/O
O
O
P
P
I
I
Bit programmable I/O pins, Vector Interrupt (Active falling edge).
Bit programmable I/O pins.
Carrier synthesizer for infrared or RF output pin.
Power supply.
Oscillator output pin connected to ceramic oscillator.
Oscillator input pin connected to ceramic oscillator.
Ground pin.
Reset input (active low), has internal pull-high resistor (Code Option).
Bit programmable I/O pin shared with external event counter input T0.
Bit programmable I/O pins.
Bit programmable I/O pins, Vector Interrupt (Active falling edge).
3
Description
SH66K31C