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2011-08-23

2

20 OTP ENCODER

EN/DECODER

M320EB

一華半導體股份有限公司

MOSDESIGN SEMICONDUCTOR CORP.

GENERAL DESCRIPTION

The M320EB is a 2

20 services of encoder pair with M320D utilizing CMOS LSI design for use in remote control system. The

M320EB is design by a one-time programmable process. They decide the transmission word of M320EB that compose of 4 data

bits, 20 address bits. A transmission word of the M320EB is transmitted on the DO pin via an RF transmission medium upon

receipt of a trigger signal.

FEATURES

‧ 4 direct data input pins, Up to 15 data combination.

‧ 12 seconds auto transmission out off to reduce power consumption.

‧ Up to 220 (1,048,576) address codes.

‧ An external oscillation resister.

‧ One-time programmable process.

‧ Available in SOP or DIP package.

APPLICATIONS

‧ Burglar alarm system, car door controllers, car alarm system, home/office security system…etc.

BLOCK DIAGRAM

Oscillator

Control

Input

Address

Custom code

Driver

Mixer

Control

Memory

&

OSC

K0

K1

K2

K3

Dout