ATR2406-DEV-BOARD datasheet(3/20 Pages) ATMEL

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ATR2406 [Preliminary]

4779F–ISM–09/04

Pin Description

Symbol

Function

PU_REG

Power-up input for auxiliary regulator

REF_CLK

Reference frequency input

RSSI

Received signal strength indicator output

VS_IFD

Digital supply voltage

VS_IFA

Analog supply voltage for IF circuits

RX-CLOCK

RX-CLOCK, if RX mode with clock recovery is active

Internal connected, do not connect on PCB

IREF

External resistor for band-gap reference

REG_CTRL

Auxiliary voltage regulator control output

VREG

Auxiliary voltage regulator output

VS_REG

Auxiliary voltage regulator supply voltage

REG_DEC

Decoupling pin for VCO_REG

VREG_VCO

VCO voltage regulator

VTUNE

VCO tuning voltage input

Charge-pump output

VS_SYN

Synchronous supply voltage

VS_TRX

Transmitter receiver supply voltage

RX_IN2

Differential receiver input 2

RX_IN1

Differential receiver input 1

TX_OUT

TX driver amplifier output

RAMP_OUT

Ramp generator output for PA power ramping

Internal connected, do not connect on PCB

RX_ON

RX control input

TX_ON

TX control input

nOLE

Open loop enable input

PU_TRX

RX/TX/PLL/VCO power-up input

RX_DATA

RX data output

TX_DATA

TX data input

CLOCK

3-wire-bus: Clock input

DATA

3-wire-bus: Data input

ENABLE

3-wire-bus: Enable input

Paddle

GND

Ground

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