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AD6426

Enhanced GSM Processor

Analog Devices 

Preliminary Technical Information

AD6426

Group

EVBC Interface

ASPORT

BSPORT

VSPORT

Radio Interface

Universal

System

Connector

Interface

Pin Name

CLKOUT

EVBCRESET

ASDO

ASOFS

ASCLK

ASDI

BSDO

BSOFS

BSCLK

BSDI

BSIFS

VSDO

VSDI

VSCLK

VSFS

RXON

TXPHASE

TXENABLE

TXPA

CALIBRATERADIO

RADIOPWRCTL

SYNTHEN0

SYNTHEN1

SYNTHDATA

SYNTHCLK

AGCA

AGCB

USCRI

USCRX

USCTX

USCCTS

USCRTS

Pin Functionality ( NORMAL MODE)

Pins I/O Default / Alternative Function(s) *

1

O Clock Output to EVBC

1

O EVBC Reset Output (also for Display reset)

1

O EVBC Auxiliary Serial Port Data Output

1

O EVBC Auxiliary Serial Port Output Framing Signal

1

O EVBC Auxiliary Serial Port Clock Output

1

I EVBC Auxiliary Serial Port Data Input

1

O EVBC Baseband Serial Port Data Output

1

O EVBC Baseband Serial Port Output Framing Signal

1

I EVBC Baseband Serial Port Clock Input

1

I EVBC Baseband Serial Port Data Input

1

I EVBC Baseband Serial Port Input Framing Signal

1

O EVBC Voiceband Serial Port Data Output

1

I EVBC Voiceband Serial Port Data Input

1

I EVBC Voiceband Serial Port Clock Input

1

I EVBC Voiceband Serial Port Framing Signal

1

O Receiver On

1

O Switches between Rx and Tx

1

O Transmit Enable / General Purpose Output 14 *

1 O / O Power Amplifier Enable / General Purpose Output 12 *

1 O / O Radio Calibration / General Purpose Output 13 *

1

O Radio Power-Down Control

1

O Synthesizer 1 Enable

1

O Synthesizer 2 Enable / General Purpose Output 17 *

1

O RF Serial Port Data

1

O RF Serial Port Clock

1

O AGC Gain Select / General Purpose Output 18

1

O AGC Gain Select / General Purpose Output 19

1

1/O USC Ring Indicator / Serial Clock / GPO20

1

I

USC Receive Data

1

O USC Transmit Data / Baseband Serial Port Data Input

1

I/O USC Clear to Send / Serial Frame Sync / GPI22

1

O USC Ready to Send / GPO21

* Note: Functionality of these pins can be changed under software control.

This Information applies to a product under development. Its characteristics and specifications are subject to change without notice. Analog Devices assumes no

obligation regarding future manufacture unless otherwise agreed to in writing. No responsibility is assumed by Analog Devices for its use; nor for any

infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent

rights of Analog Devices.

Revision Preliminary 2.3 (June 9, ´98)

-5-

Confidential Information

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