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rfPIC12F675F Datasheet(PDF) 4 Page - Microchip Technology |
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rfPIC12F675F Datasheet(HTML) 4 Page - Microchip Technology |
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4 / 136 page  rfPIC12F675 DS70091B-page 4 Preliminary 2003-2013 Microchip Technology Inc. TABLE 1-1: rfPIC12F675 PINOUT PIN BUFFER WEAK PULL-UP DESCRIPTION IN OUT 1VDD Direct — — Power Supply 2 GP5 TTL CMOS Prog General purpose I/O. Individually controlled interrupt-on-change. Individually enabled pull-up. T1CKI ST — — Timer1 clock OSC1 Xtal — Bias XTAL connection CLKIN ST — — External RC network or clock input 3 GP4 TTL CMOS Prog General purpose I/O. Individually controlled interrupt-on-change. Individually enabled pull-up. T1G ST — — Timer1 gate AN3 Analog — — A/D Channel 3 input OSC2 — Xtal Bias XTAL connection CLKOUT — CMOS — TOSC/4 reference clock 4 GP3 TTL — General purpose input. Individually controlled interrupt-on- change. MCLR ST — No Master Clear Reset VPP HV — — Programming voltage 5 RFXTAL Xtal Xtal Bias RF Crystal 6 RFEN TTL — — RF Enable 7 REFCLK — CMOS — Reference Clock/4 Output (on rfPIC12F675K/F) Reference Clock/8 Output (on rfPIC12F675H) 8 PS Analog — Bias Power Select 9VDDRF Direct — — RF Power Supply 10 VSSRF Direct — — RF Ground Reference 11 ANT — OD — RF power amp output to antenna 12 VSSRF Direct — — RF Ground Reference 13 LF Analog Analog — Loop Filter 14 DATAASK TTL — — ASK modulation data 15 DATAFSK TTL — — FSK modulation data 16 FSKOUT — OD — FSK output to modulate reference crystal 17 GP2 ST CMOS Prog General purpose I/O. Individually controlled interrupt-on-change. Individually enabled pull up. AN2 Analog — — A/D Channel 2 input COUT — CMOS — Comparator output T0CKI ST — — External clock for Timer0 INT ST — — External interrupt 18 GP1 TTL CMOS Prog General purpose I/O. Individually controlled interrupt-on-change. Individually enabled pull-up. AN1 Analog — — A/D Channel 1 input CIN- Analog — — Comparator input - negative VREF Analog — — External voltage reference ICSPCLK ST — — Serial programming clock 19 GP0 TTL CMOS Prog General purpose I/O. Individually controlled interrupt-on-change. Individually enabled pull-up. AN0 Analog — — A/D Channel 0 input CIN+ Analog — — Comparator input - positive ICSPDAT TTL CMOS — Serial Programming Data I/O 20 VSS Direct — — Ground reference Legend: TTL = TTL input buffer, ST = Schmitt Trigger input buffer, OD = Open Drain output |
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