MA009AP datasheet(2/19 Pages) MEGAWIN

Part #	MA009AP

Description	24-bit I/O extender with interrupt function

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Manufacturer	MEGAWIN [Megawin Technology Co., Ltd]

Direct Link	http://www.megawin.com.tw/megawin_EN/Index.asp

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MA009A Technical Summary

MEGAWIN

General Description

The MA009 is high-speed Si-gate CMOS devices

that provide a general purpose I/O peripheral. The

MA009 provides microcontroller eight input pins

plus eight I/O pins and eight output pins. Each

input pin can be configured as interrupt source and

output pin can be configured as CMOS/NMOS

output. The MA009 is controlled through a 3-wire

serial interface, and can be set as one of eight chip

addresses by pin option.

The device is optimized

for use in many commercial and industrial

applications where high density, low pin count,

low voltage, and low power are essential.

Pad Description

Pad No.

Pad Name

I/O

Description

1, 8, 9

NC

I

No connection

2, 3, 4

A0, A1, A2

I

Chip Address bit0, bit1, bit2

5

C/DB

I

Serial interface, command/data selector

6

SCLK

I

Serial interface, serial clock

7

Sin

I

Serial interface, serial command/data input

10

INTB

O

Input port interrupt event indicator

20 to 13

P20 to P27

O

Output Port 2

29 to 22

P10 to P17

O

Input/Output Port 1

38 to 31

P00 to P07

O

Input Port 0

12, 30, 40, 41

VCC

P

Positive supply voltage

11, 21, 39

GND

P

Power ground (0 V)

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MA009AP Datasheet(PDF) 2 Page - Megawin Technology Co., Ltd

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