Preliminary Technical Information

AD6426

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

Pin Functionality ( NORMAL MODE)

Group

Pin Name

Pins

I/O

Default / Alternative Function(s) *

EVBC Interface

CLKOUT

1

O

Clock Output to EVBC

EVBCRESET

1

O

EVBC Reset Output (also for Display reset)

ASPORT

ASDO

1

O

EVBC Auxiliary Serial Port Data Output

ASOFS

1

O

EVBC Auxiliary Serial Port Output Framing Signal

ASCLK

1

O

EVBC Auxiliary Serial Port Clock Output

ASDI

1

I

EVBC Auxiliary Serial Port Data Input

BSPORT

BSDO

1

O

EVBC Baseband Serial Port Data Output

BSOFS

1

O

EVBC Baseband Serial Port Output Framing Signal

BSCLK

1

I

EVBC Baseband Serial Port Clock Input

BSDI

1

I

EVBC Baseband Serial Port Data Input

BSIFS

1

I

EVBC Baseband Serial Port Input Framing Signal

VSPORT

VSDO

1

O

EVBC Voiceband Serial Port Data Output

VSDI

1

I

EVBC Voiceband Serial Port Data Input

VSCLK

1

I

EVBC Voiceband Serial Port Clock Input

VSFS

1

I

EVBC Voiceband Serial Port Framing Signal

Radio Interface

RXON

1

O

Receiver On

TXPHASE

1

O

Switches between Rx and Tx

TXENABLE

1

O

Transmit Enable / General Purpose Output 14 *

TXPA

1

O / O

Power Amplifier Enable / General Purpose Output 12 *

CALIBRATERADIO

1

O / O

Radio Calibration / General Purpose Output 13 *

RADIOPWRCTL

1

O

Radio Power-Down Control

SYNTHEN0

1

O

Synthesizer 1 Enable

SYNTHEN1

1

O

Synthesizer 2 Enable / General Purpose Output 17 *

SYNTHDATA

1

O

RF Serial Port Data

SYNTHCLK

1

O

RF Serial Port Clock

AGCA

1

O

AGC Gain Select / General Purpose Output 18

AGCB

1

O

AGC Gain Select / General Purpose Output 19

Universal

USCRI

1

1/O

USC Ring Indicator / Serial Clock / GPO20

System

USCRX

1

I

USC Receive Data

Connector

USCTX

1

O

USC Transmit Data / Baseband Serial Port Data Input

Interface

USCCTS

1

I/O

USC Clear to Send / Serial Frame Sync / GPI22

USCRTS

1

O

USC Ready to Send / GPO21

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