PT2581

V1.0

6

May 2018

Pin Name

I/O

Type

Description

Pin No.

PTMCT1

I/O

TTL

Capture/Compare/PWM/Timer 1.

37

GPIOB2

I/O

TTL

General-purpose B input/output 2.

JTGDAT

I/O

TTL

JTAG serial debug data.

PTMCT0

I/O

TTL

Capture/Compare/PWM/Timer 0.

38

GPIOB1

I/O

TTL

General-purpose B input/output 1.

JTGCLK

I

TTL

JTAG serial debug clock.

PLAY/PAUSE

I

TTL

Control input signal to drive the Fan Motor to be started or

paused.

39

GPIOA3

I/O

TTL

General-purpose A input/output 03.

SPIDO

O

TTL

Data Output of the SPI Serial Interface.

FWEN

I

TTL

Control input signal to drive the Fan Motor to be forward or

reversed.

40

GPIOA4

I/O

TTL

General-purpose A input/output 04.

SPIDI

I

TTL

Data input of the SPI Serial Interface.

RDIN

I

TTL

Input locked signal of the Fan Motor.

41

GPIOA5

I/O

TTL

General-purpose A input/output 05.

SPICLK

O

TTL

Clock output of the SPI Serial Interface.

GPIOA6

I/O

TTL

General-purpose A input/output 06.

42

DECODE_A

I

TTL

Decode Phase A Channel

GPIOA7

I/O

TTL

General-purpose A input/output 07.

43

DECODE_B

I

TTL

Decode Phase B channel

EXTERR

I

TTL

External error input signal of the Fan Motor system.

44

GPIOB0

I/O

TTL

General-purpose A input/output 07.

WKUP

I

TTL

Wakeup input signal.

IICCLK

I

TTL

Clock input of the IIC serial interface.

45

GPIOC0

I/O

TTL

General-purpose C input/output 00.

IICSDA

I/O

TTL

Transaction data of the IIC serial interface.

46

GPIOC1

I/O

TTL

General-purpose C input/output 01.

VSS3_D2

-

Ground

Digital VSS Ground.

47

VCC3_D2

-

Power

Digital VCC 3.3V.

48