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PIC18F2450-E/MLQTP Datasheet(PDF) 23 Page - Microchip Technology |
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PIC18F2450-E/MLQTP Datasheet(HTML) 23 Page - Microchip Technology |
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23 / 320 page ![]() PIC18F2450/4450 © 2006 Microchip Technology Inc. Advance Information DS39760A-page 21 PORTE is a bidirectional I/O port. RE0/AN5 RE0 AN5 825 25 I/O I ST Analog Digital I/O. Analog input 5. RE1/AN6 RE1 AN6 926 26 I/O I ST Analog Digital I/O. Analog input 6. RE2/AN7 RE2 AN7 10 27 27 I/O I ST Analog Digital I/O. Analog input 7. RE3 — — — — — See MCLR/VPP/RE3 pin. VSS 12, 31 6, 30, 31 6, 29 P — Ground reference for logic and I/O pins. VDD 11, 32 7, 8, 28, 29 7, 28 P — Positive supply for logic and I/O pins. VUSB 18 37 37 O — Internal USB 3.3V voltage regulator output. NC/ICCK/ICPGC(1) ICCK ICPGC —— 12 I/O I/O ST ST No Connect or dedicated ICD/ICSP™ port clock. In-Circuit Debugger clock. ICSP programming clock. NC/ICDT/ICPGD(1) ICDT ICPGD —— 13 I/O I/O ST ST No Connect or dedicated ICD/ICSP port clock. In-Circuit Debugger data. ICSP programming data. NC/ICRST/ICVPP(1) ICRST ICVPP —— 33 I P — — No Connect or dedicated ICD/ICSP port Reset. Master Clear (Reset) input. Programming voltage input. NC/ICPORTS(1) ICPORTS — — 34 P — No Connect or 28-pin device emulation. Enable 28-pin device emulation when connected to VSS. NC — 13 — — — No Connect. TABLE 1-3: PIC18F4450 PINOUT I/O DESCRIPTIONS (CONTINUED) Pin Name Pin Number Pin Type Buffer Type Description PDIP QFN TQFP Legend: TTL = TTL compatible input CMOS = CMOS compatible input or output ST = Schmitt Trigger input with CMOS levels I = Input O = Output P = Power Note 1: These pins are No Connect unless the ICPRT Configuration bit is set. For NC/ICPORTS, the pin is No Connect unless ICPRT is set and the DEBUG Configuration bit is cleared. |
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