SN8F2280 Series
USB 2.0 Full-Speed 8-Bit Micro-Controller
1.4 PIN DESCRIPTIONS
PIN NAME
TYPE
DESCRIPTION
VDD, VSS
P
Power supply input pins for digital circuit.
P0.0: Port 0.0 bi-direction pin.
Schmitt trigger structure and built-in pull-up resisters as input mode.
Built wakeup function.
P0.0/INT0
I/O
INT0: External interrupt 0 input pin.
P0.1: Port 0.1 bi-direction pin.
Schmitt trigger structure and built-in pull-up resisters as input mode.
Built wakeup function.
INT1: External interrupt 1 input pin.
P0: Port 0 bi-direction pin.
Schmitt trigger structure and built-in pull-up resisters as input mode.
Built wakeup function.
P0.1/INT1
P0[4:2]
I/O
I/O
P0.5: Port 0 bi-direction pin
Schmitt trigger structure and built-in pull-up resistor as input mode.
Built wakeup function.
P0.5/URX
I/O
UART function: URX pin
Open drain function by control register P1OC
P0.6: Port 0 bi-direction pin
Schmitt trigger structure and built-in pull-up resistor as input mode.
Built wakeup function.
UART function: UTX pin
Open drain function by control register P1OC
RST is system external reset input pin under Ext_RST mode, Schmitt trigger
structure, active “low”, and normal stay to “high”.
Built wakeup function.
P1.0: Port 1.0 bi-direction pin.
Schmitt trigger structure and built-in pull-up resisters as input mode.
Built wakeup function.
P0.6/UTX
P0.7/RST
P1.0/SCL
I/O
I/O
I/O
Open drain function by control register P1OC
MSP Function: SCL function
P1.1: Port 1.1 bi-direction pin.
Schmitt trigger structure and built-in pull-up resisters as input mode.
Built wakeup function.
P1.1/SDA
I/O
Open drain function by control register P1OC
MSP Function: SDA function
P1: Port 1 bi-direction pin.
P1[7:2]
I/O
I/O
I/O
Schmitt trigger structure and built-in pull-up resisters as input mode.
Built wakeup function.
P2.0: Port 2.0 bi-direction pin.
Schmitt trigger structure and built-in pull-up resisters as input mode.
SCK: SIO output clock pin.
P2.1: Port 2.1 bi-direction pin.
P2.0/SCK
P2.1/SDO
Schmitt trigger structure and built-in pull-up resisters as input mode.
SDO: SIO data output pin.
P2.2: Port 2.2 bi-direction pin.
P2.2/SDI
P2[5:3]
I/O
I/O
I/O
Schmitt trigger structure and built-in pull-up resisters as input mode.
SDI: SIO data input pin.
P2: Port 2 bi-direction pin.
Schmitt trigger structure and built-in pull-up resisters as input mode.
P4: Port 4 bi-direction pin.
P4[7:0]/AIN[7:0]
Built-in pull-up resisters as input mode.
AIN[7:0]: ADC channel – 0~7 input.
P5: Port 5 bi-direction pin.
Schmitt trigger structure and built-in pull-up resisters as input mode.
P5: Port 5 bi-direction pin.
P5[2:0]
I/O
I/O
P5[5:3]/PWM2~PWM0
SONiX TECHNOLOGY CO., LTD
Page 12
Version 1.1
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