EM73MA89B PDF资料下载(33/64 页)Advanced Synchronous Rectified Buck MOSFET Drivers with Pre-

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参数资料

型号：	EM73MA89B
英文描述：	Advanced Synchronous Rectified Buck MOSFET Drivers with Pre-POR OVP; Temperature Range: -40°C to 85°C; Package: 8-EPSOIC T&R
中文描述：	4，液晶产品位微控制器
文件页数：	33/64页
文件大小：	331K
代理商：	EM73MA89B

39

* This specification are subject to be changed without notice.

EM73MA89B

4-BIT MICRO-CONTROLLER FOR LCD PRODUCT

Preliminary

10.15.2002 (V1.3)

EM73MA89B I/O PORT DESCRIPTION :

Port

Input function

Output function

Note

0

E

Input port , wakeup function

1

E

Input port

E

Output port / LCD segment pins

2

E

Input port

E

Output port / LCD pins

3

I

ROM bank selection

I

ROM bank selection

4

E

Input port

E

Output port / RFO pins

5

E

Input port

E

Output port / LCD pins

6

E

Input port

E

Output port / LCD pins

7

E

Input port

E

Output port / LCD pins

8

E

Input port, wakeup function,

E

Output port

external interrupt input

9

I

RAM bank selection

I

RAM bank selection

10

I

General purpose register

I

General purpose register

11

I

Read data register

I

Data ROM address register

12

--

I

High speed counter register

Low nibble

13

--

I

High speed counter register

High nibble

14

I

CPU status, ACT flag

I

CPU status, interrupt souce selector

15

--

16

I

STOP mode control register

17

I

TONE volume control register

18

I

HTC control register

19

I

IDLE mode control register

20

I

HTC control register

21

I

WDT control register

22

I

DUAL/SLOW mode control register

23

I

Speech sampling rate register

24

I

Speech start address register

25

I

Timebase control register

26

--

27

I

LCD control register

28

I

Timer/counter A control register

29

I

Timer/counter B control register

30

--

31

--

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