sh66p31b SinoWealth Micro-Electronics Corp. Ltd, sh66p31b Datasheet - Page 3

• Manufacturer Part Number: sh66p31b
• Description: Otp 1k 4-bit Micro-controller
• Manufacturer: SinoWealth Micro-Electronics Corp. Ltd

Pin Descriptions
OTP Programming Pin Description (OTP Program Mode)
2, 1, 20, 19
Pin No.
14 - 12
18 - 15
Pad No.
4, 3
10
11
5
6
7
8
9
10
11
6
9
8
Designation
Designation
PORTC.3 - 0
PORTD.1 - 0
PORTB.3 - 0
PORTA.0/T0
PORTA.3 - 1
RESET
OSCO
GND
SCK
SDA
OSCI
V
V
GND
REM
V
DD
PP
DD
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
P
P
P
P
P
I
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.
In the OTP program mode, Shared with OTP V
Oscillator output pin connected to ceramic oscillator.
Oscillator input pin connected to ceramic oscillator.
In the OTP program mode, shared with clock input.
Ground pin.
Reset input (active low), has no internal Pull High Resistor.
In the OTP program mode, Shared with OTP V
Bit programmable I/O pin shared with external event counter input T0.
In the OTP program mode, Shared with data I/O.
Bit programmable I/O pins.
Bit programmable I/O pins, Vector Interrupt (Active falling edge).
Shared by
PORTA.0
RESET
OSCI
GND
V
DD
3
Programming Power supply (+5.5V).
Programming high voltage Power supply (+11.0V).
Ground.
Programming Clock input pin.
Programming Data pin.
Description
Description
DD
PP
power supply (+11.0V).
power supply (+5.5V).
SH66P31B