pmb27202 Infineon Technologies Corporation, pmb27202 Datasheet

pmb27202

Manufacturer Part Number

pmb27202

Description

Dect Digital Circuit Handhelds

Manufacturer

Infineon Technologies Corporation

Datasheet

1.PMB27202.pdf (1 pages)

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DECT Digital Circuit for Handhelds

General Description

The DECT-Digital Circuit for Handhelds is one of the devices

of the Siemens chip set for the digital cordless telephone

specified by the DECT standard.

The device designed for cordless handhelds is a highly

integrated circuit and realizes most of the system functions

needed in such an equipment.

The circuit contains a digital signal processor, an 8-bit

80C51-compatible microcontroller and the burst mode

controller. Furthermore the circuit handles the interfacing of

the different components of the DECT chipset and feature

LCD controller.

The device is fabricated using Siemens advanced CMOS

technology and will be available in a 128 pin package.

Further baseband controllers are PMB 27221 (romless

version with 4 K RAM).

Siemens Aktiengesellschaft

Speech Data

(PMB 2920)

Block Diagram PMB 27202

Internal ROM

Internal RAM

Interpolation

Decimation

48 kBytes

2 kBytes

Burst-Error-Concealment

Tone Generation

DSP

Codec

Filter

8-Bit CPU

ADPCM

Trans-

coder

Microcontroller Unit

Data Port

(32 kbit/s)

Timers

Type

PMB 27201/2

Features

• 8-bit C with integrated ROM/RAM

• Integrated LCD controller

• 32-kbit/s ADPCM-transcoder

• Digital filtering and gain stages

• Burst mode controller

• Power-down mode programmable

• Low voltage detection

• Power supply 3.0

• Low power consumption

• Advanced low power CMOS technology

• Encryption

• PMB 27201: 64 K ROM, 4 K RAM

• PMB 27202: 48 K ROM, 2 K RAM

Output Data RAM

Input Data RAM

Keypad

Clocks

Port X

Control RAM

Burst-Mode-Logic

Crystal 10.368 MHz

LCD-Drivers

Keypad

Port Y

Interrupts

RF-Interf.

Timers /

Serial Out

Serial In

CRC

5.1 V

Port 0

Addit.

Watchdog

Package

P-TQFP-128-1 (SMD)

Encryption

Decryption

Scramble

Synchro-

scramble

nization

C Bus

Control

Power

De-

PMB 27201/2

TDMA Data

1.152 Mbit/s

RSSI

Battery

Control

ITB08460

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