SN8P1602AX datasheet(13/94 Pages) SONIX

13 / 94 page

SN8P1600

8-bit micro-controller

SONiX TECHNOLOGY CO., LTD

Page 13

Revision 1.94

PIN DESCRIPTIONS

SN8P1602/1603

PIN NAME

TYPE

DESCRIPTION

VDD, VSS

Power supply input pins. Place the 0.1µF bypass capacitor between the VDD and VSS pin.

VPP/RST

System reset pin. Schmitt trigger structure, low active, normal stay to “high”.

XIN

External oscillator input pin. RC mode input pin.

XOUT/P1.4

I/O

External oscillator output pin. In RC mode is P1.4 I/O.

P0.0 / INT0

Input / Interrupt (Schmitt trigger) / Wakeup function.

P1.0 ~ P1.4

I/O

Bi-direction pins with sleep mode wakeup function.

P2.0 ~ P2.7

I/O

Bi-direction pins.

Notice : The SN8P1602/3 do not have the pull-up resistor in the input port. The user must use the external pull-up

resistor.

SN8P1604

PIN NAME

TYPE

DESCRIPTION

VDD, VSS

Power supply input pins. Place the 0.1µF bypass capacitor between the VDD and VSS pin.

VPP/VDD

OTP programming pin. Keep connect to VDD during normal mode.

RST

System reset pin. Schmitt trigger structure, low active, normal stay to “high”.

XIN

External oscillator input pin. RC mode input pin.

XOUT/Fcpu

I/O

External oscillator output pin. RC Mode as the Fcpu output

P0.0/INT0

Input / Interrupt (Schmitt trigger) / Wakeup function / Built-in pull-up resisters.

P0.1

Input / Wakeup function. / Built-in pull-up resister.

P1.0 ~ P1.7

I/O

Bi-direction pins with sleep mode Wakeup function. Built-in pull-up resisters.

P2.0 ~ P2.7

I/O

Bi-direction pins / Built-in pull-up resisters.

P5.0 ~ P5.3

I/O

Bi-direction pin, P5.3 as TC1 output for PWM and Buzzer function/Built-in pull-up resisters.

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