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RFHCS362G Datasheet(PDF) 10 Page - Microchip Technology |
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RFHCS362G Datasheet(HTML) 10 Page - Microchip Technology |
10 / 60 page rfHCS362G/362F DS41189A-page 10 Preliminary © 2002 Microchip Technology Inc. TABLE 2-1: rfHCS362G/362F PINOUT DESCRIPTION Name SOIC Pin # SSOP Pin # I/O/P Type Description ANT1 10 11 O Antenna connection to differential power amplifier output, open collector. ANT2 9 10 O Antenna connection to differential power amplifier output, open collector. CLKOUT 6 7 O Clock output. DATA 17 19 I/O Encoder data output pin or serial programming. DATAFSK — 15 I FSK data input. FSKOUT — 16 O FSK crystal pulling output. LED/SHIFT 2 2 I/O Current limited LED driver. Input sampled before LED driven. LF 13 14 — External loop filter connection. Common node of charge pump output and VCO tuning input. PS/DATAASK 7 8 I Power select and ASK data input. RFENIN 5 6 I Transmitter and CLKOUT enable. Internal pull-down. S0 3 3 I Switch input 0 with internal pull-down. S1 4 4 I Switch input 1 with internal pull-down. S2 15 17 I Switch input 2 with internal pull-down or Schmitt Trigger clock input during serial programming. S3/RFEN 16 18 I/O Switch input 3 with internal pull-down or RF enable output as selected by RFEN option in configuration word SEED_3. VDD 1 1 P Positive supply for encoder VDDRF 8 9 P Positive supply for transmitter. VSS 18 20 P Ground reference for encoder VSSRF 11 12 P Ground reference for transmitter. XTAL 14 5 I Transmitter crystal connection to Colpitts type crystal oscillator. Legend: I = input, O = output, I/O = input/output, P = power |
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