20

* This specification are subject to be changed without notice.

7.20.1999

EM73201

4-BIT MICRO-CONTROLLER FOR GENERAL PURPOSE PRODUCT

Preliminary

The RESET pin is a hysteresis input pin and has a pull-up resistor avavailable by mask option.

The simplest RESET circuit is connect RESET pin with a capacitor to V

RESET

EM73201 I/O PORT DESCRIPTION :

Port

Input function

Output function

Note

0

E Input port , wakeup function

1

--

E with LED driving, P1.0 is shared with CLKOUT

2--

--

3--

--

4

--

I

Infrared signal control register

5

--

I

Infrared signal control register

6--

--

7

E Input port

E Output port

8

E Input port, external interrupt input

E Output port

9--

--

10

--

--

11

--

--

12

--

--

13

--

--

14

--

--

15

--

--

16

I

Sleep/Hold mode control register

17

--

18

--

19

--

20

--

21

I

WDT control register

22

--

23

--

24

--

25

I

Timebase control register

26

--

27

--

28

I

Timer/counter A control register

29

--

30

--

31

--