RFHCS362G datasheet(10/60 Pages) MICROCHIP

10 / 60 page

rfHCS362G/362F

DS41189A-page 10

Preliminary

TABLE 2-1:

rfHCS362G/362F PINOUT DESCRIPTION

Name

SOIC

Pin #

SSOP

Pin #

I/O/P

Type

Description

ANT1

Antenna connection to differential power amplifier output, open

collector.

ANT2

Antenna connection to differential power amplifier output, open

collector.

CLKOUT

Clock output.

DATA

I/O

Encoder data output pin or serial programming.

DATAFSK

—

FSK data input.

FSKOUT

—

FSK crystal pulling output.

LED/SHIFT

I/O

Current limited LED driver. Input sampled before LED driven.

—

External loop filter connection. Common node of charge pump

output and VCO tuning input.

PS/DATAASK

Power select and ASK data input.

RFENIN

Transmitter and CLKOUT enable. Internal pull-down.

Switch input 0 with internal pull-down.

Switch input 1 with internal pull-down.

Switch input 2 with internal pull-down or Schmitt Trigger clock

input during serial programming.

S3/RFEN

I/O

Switch input 3 with internal pull-down or RF enable output as

selected by RFEN option in configuration word SEED_3.

VDD

Positive supply for encoder

VDDRF

Positive supply for transmitter.

VSS

Ground reference for encoder

VSSRF

Ground reference for transmitter.

XTAL

Transmitter crystal connection to Colpitts type crystal oscillator.

Legend: I = input, O = output, I/O = input/output, P = power

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