S1C17001

4

EPSON

■ PIN DESCRIPTION

No.

Pin name

I/O

Initial

Function

1

–

–

Power supply pin (GND)

2

#TEST1

I

I (Pull-UP) Test pin (fix at high during normal operation)

3

#TEST2

I

I (Pull-UP) Test pin (fix at high during normal operation)

4

#TEST3

I

I (Pull-UP) Test pin (fix at high during normal operation)

5

#TEST4

I

I (Pull-UP) Test pin (fix at high during normal operation)

6

#TEST5

I

I (Pull-UP) Test pin (fix at high during normal operation)

7

OSC3

I

I

OSC3 oscillation input pin (external clock may be input)

8

OSC4

O

O

OSC3 oscillation output pin

9

OSC1

I

I

OSC1 oscillation input pin (external clock may be input)

10

OSC2

O

O

OSC1 oscillation output pin

11

–

–

12

–

–

Power supply pin (GND)

13

#TEST0

I

I (Pull-UP) Test pin (fix at high during normal operation)

14

#RESET

I

I (Pull-UP) Initial reset input pin

15

DSIO/P33

I/O

I (Pull-UP) On-chip debugger data I/O pin* or I/O port pin

16

DST2/P32

I/O

O (L)

On-chip debugger status output pin* or I/O port pin

17

DCLK/P31

I/O

O (H)

On-chip debugger clock output pin* or I/O port pin

18

P30/FOUT3

I/O

I (Pull-UP) I/O port pin* or OSC3 divider clock output pin

19

P27/EXCL3

I/O

I (Pull-UP) I/O port pin* or T16E external clock input pin

20

P26/TOUT

I/O

I (Pull-UP) I/O port pin* or T16E PWM signal output pin

21

P25/SCLK

I/O

I (Pull-UP) I/O port pin* or UART clock input pin

22

P24/SOUT

I/O

I (Pull-UP) I/O port pin* or UART data output pin

23

P23/SIN

I/O

I (Pull-UP) I/O port pin* or UART data input pin

24

P22/SPICLK

I/O

I (Pull-UP) I/O port pin* or SPI clock I/O pin

25

P21/SDO

I/O

I (Pull-UP) I/O port pin* or SPI data output pin

26

P20/SDI

I/O

I (Pull-UP) I/O port pin* or SPI data input pin

27

P17/#SPISS

I/O

I (Pull-UP) I/O port pin (with interrupt)* or SPI slave select input pin

28

P16/EXCL0

I/O

I (Pull-UP) I/O port pin (with interrupt)* or T16 Ch.0 external clock input pin

29

P15/SCL

I/O

I (Pull-UP) I/O port pin (with interrupt)* or I

30

P14/SDA

I/O

I (Pull-UP) I/O port pin (with interrupt)* or I

31

P13/FOUT1

I/O

I (Pull-UP) I/O port pin (with interrupt)* or OSC1 clock output pin

32

P12

I/O

I (Pull-UP) I/O port pin (with interrupt)

33

P11

I/O

I (Pull-UP) I/O port pin (with interrupt)

34

P10

I/O

I (Pull-UP) I/O port pin (with interrupt)

35

P07/EXCL1

I/O

I (Pull-UP) I/O port pin (with interrupt)* or T16 Ch.1 external clock input pin

36

P06/EXCL2

I/O

I (Pull-UP) I/O port pin (with interrupt)* or T16 Ch.2 external clock input pin

37

P05/REMO

I/O

I (Pull-UP) I/O port pin (with interrupt)* or Remote control signal output pin

38

P04/REMI

I/O

I (Pull-UP) I/O port pin (with interrupt)* or Remote control signal input pin

39

P03

I/O

I (Pull-UP) I/O port pin (with interrupt)

40

–

–

41

–

–

Power supply pin (GND)

42

P02

I/O

I (Pull-UP) I/O port pin (with interrupt)

43

P01

I/O

I (Pull-UP) I/O port pin (with interrupt)

44

P00

I/O

I (Pull-UP) I/O port pin (with interrupt)

45

–

–

46

–

–

Power supply pin (GND)

47

–

–

48

–

–

Power supply pin (GND)

Note: The pin names described in boldface type and description with ‘*’ are default settings.