FX203ZLG

更新时间： 2024-11-21 13:07:55

品牌	Logo	应用领域
CMLMICRO		解码器编解码器微处理器
页数	文件大小	规格书
8页	272K
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FX203ZLG 数据手册

CML Semiconductor Products

PRODUCT INFORMATION

Selcall Tone Codec with

Microprocessor Interface

Publication D/203/3 November 1998

Provisional Issue

Features/Applications

Mobile or Handheld Selcall

Microprocessor I/O Data Port

Powersave Facility

Single-Chip Selcall Codec

CCIR, EEA or

Versions

On-Chip General Purpose Timer

Separate General Purpose

Output Port

Uses Low-Cost

Xtal

Low-Power 5V CMOS Process

1 Internal Block Diagram

Brief Description

for such functions as Rx and TX tone period

The

is a single-chip ‘N’ tone Selective

timing. Time periods of between 1 Oms and

in 1 Oms steps may be programmed

via the microprocessor interface.

Call encoder-decoder peripheral intended for

use with a host microprocessor. The device is

available in

formats, CCIR, EEA or

The

reference oscillator utilizes a

cost 4.0 MHz Xtal or externally derived clock.

The divide by 4 (1 .O MHz) output may be

used to drive the clock circuitry of other

devices such as the FX365 CTCSS Encoder/

and

I/O bus, 2-bit address, CS,

lines are provided for connection to

the microprocessor.

Separate general purpose

input and

Decoder, FXO04 Voice Band

FX214 VSB Audio Scrambler.

or the

output ports are available to allow external

circuitry access to the microprocessor via this

device. Functions such as ‘PTT,’ ‘Rx Squelch,’

‘Alert Bleeps’ and ‘Lamp Drivers’ could operate

through this facility.

The

requires a single

supply and

facilities for

utilizes ‘chip

reduced current consumption in the Standby

mode.

An on-chip general purpose timer is provided

12 3 4 5 6 7 8

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