Datasheet > GPRT5507A

GPRT5507A

更新时间： 2024-01-11 03:52:14

品牌	Logo	应用领域
凌通科技 - GENERALPLUS		局域网中继器
页数	文件大小	规格书
9页	344K
描述
LANGUAGE REPEATER

阅读下载

中文翻译

获取价格

数据手册

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GPRT5507A 数据手册

GPRT5507A

LANGUAGE REPEATER

1. GENERAL DESCRIPTION

2. FEATURES

The GPRT5507A integrates an 8-bit CPU, speech generator,

segment LED driver, analog switches, programmable attenuator

and a gain amplifier into one chip. The GPRT5507A includes a

40K-byte ROM, 128-byte working SRAM, 4 edge-mode interrupts

and a fixed time based generator (F_CPU/1024)*. This chip which

incorporated with 1 or 2 pieces of 4M X 4 ARAM, can be applied to

the versatile audio field, such as a language repeater.

8-bit microprocessor

Provide 40K x 8 ROM area for program and audio data

128 x 8 working SRAM

Embedded LPF, ADC, DAC for analog processing

Provide controlled DRAM interfaces

4 Interrupt sources

Built in watch dog timer

ROSC. or Crystal OSC. selections

Provide low battery detector

*F_CPU: CPU clock

Provide power down mode

3. BLOCK DIAGRAM

RAS, CAS1, CAS2, W, OE

XI, XO

ARAM

A11 .... A0

INTERFACE

D3 ... D0

MASK ROM

40K x 8

RESET

CPU

KT8 ... KT1

KEY IN

LED DISPLAY

EXTRA I/O

I/O PORT

TEST

BLOCK

LINEO, AMPOUT, DACO,

AMPNF, SPO, DACO

I/O DECODER

ANALOG

BLOCK

HEAD, MIC

LPFI, LPFO

SRAM

128 x 8

LOW BATTERY

POWER FAIL

Proprietary & Confidential

MAR. 04, 2005

Version: 1.1

12 3 4 5 6 7...9

中文翻译

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