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Contents

README

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PIC18F26K80-E

Microchip Tech · Microcontrollers (MCU/MPU/SOC) · SSOP-28-208mil

PIC18F26K80-E from Microchip Tech, in a SSOP-28-208mil. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 MCLR/RE3 input Active-low Master Clear (Reset) input or programming voltage input; RE3 is a general-purpose input-only function available only when the MCLRE Configuration bit is cleared.
2 RA0/CVREF/AN0/ULPWU bidirectional General-purpose digital I/O that also serves as comparator reference voltage output CVREF, analog input AN0, and Ultra Low-Power Wake-up input ULPWU.
3 RA1/AN1 bidirectional Digital I/O that also serves as analog input AN1.
4 RA2/VREF-/AN2 bidirectional Digital I/O that also serves as the A/D reference voltage (low) input VREF- and analog input AN2.
5 RA3/VREF+/AN3 bidirectional Digital I/O that also serves as the A/D reference voltage (high) input VREF+ and analog input AN3.
6 VDDCORE/VCAP power_in External filter capacitor connection for the on-chip regulator output VDDCORE/VCAP.
7 RA5/AN4/HLVDIN/T1CKI/SS bidirectional Digital I/O that also serves as analog input AN4, High/Low-Voltage Detect input HLVDIN, Timer1 clock input T1CKI, and SPI slave select input SS.
8 VSS power_in Ground reference for logic and I/O pins.
9 OSC1/CLKIN/RA7 bidirectional Oscillator crystal input OSC1 or external clock input CLKIN, or general-purpose I/O RA7 when an internal oscillator mode is selected.
10 OSC2/CLKOUT/RA6 bidirectional Oscillator crystal output OSC2, CLKOUT (FOSC/4 in certain oscillator modes), or general-purpose I/O RA6.
11 RC0/SOSCO/SCLKI bidirectional Digital I/O that also serves as Timer1 oscillator output SOSCO or digital SOSC clock input SCLKI.
12 RC1/SOSCI bidirectional Digital I/O that also serves as SOSC oscillator input SOSCI.
13 RC2/T1G/CCP2 bidirectional Digital I/O that also serves as Timer1 external clock gate input T1G and CCP2 capture/compare/PWM pin.
14 RC3/REFO/SCL/SCK bidirectional Digital I/O that also serves as reference clock output REFO, I2C clock SCL, and SPI clock SCK.
15 RC4/SDA/SDI bidirectional Digital I/O that also serves as I2C data SDA and SPI data input SDI.
16 RC5/SDO bidirectional Digital I/O that also serves as SPI data output SDO.
17 RC6/CANTX/TX1/CK1/CCP3 bidirectional Digital I/O that also serves as CAN bus TX, EUSART asynchronous transmit TX1 or synchronous clock CK1, and CCP3 capture/compare/PWM pin.
18 RC7/CANRX/RX1/DT1/CCP4 bidirectional Digital I/O that also serves as CAN bus RX, EUSART asynchronous receive RX1 or synchronous data DT1, and CCP4 capture/compare/PWM pin.
19 VSS power_in Ground reference for logic and I/O pins.
20 VDD power_in Positive supply for logic and I/O pins.
21 RB0/AN10/C1INA/FLT0/INT0 bidirectional Digital I/O that also serves as analog input AN10, Comparator 1 input C1INA, Enhanced PWM Fault input FLT0, and external interrupt INT0.
22 RB1/AN8/C1INB/P1B/CTDIN/INT1 bidirectional Digital I/O that also serves as analog input AN8, Comparator 1 input C1INB, ECCP1 Enhanced PWM output P1B, CTMU pulse delay input CTDIN, and external interrupt INT1.
23 RB2/CANTX/C1OUT/P1C/CTED1/INT2 bidirectional Digital I/O that also serves as CAN bus TX, Comparator 1 output C1OUT, ECCP1 Enhanced PWM output P1C, CTMU Edge 1 input CTED1, and external interrupt INT2.
24 RB3/CANRX/C2OUT/P1D/CTED2/INT3 bidirectional Digital I/O that also serves as CAN bus RX, Comparator 2 output C2OUT, ECCP1 Enhanced PWM output P1D, CTMU Edge 2 input CTED2, and external interrupt INT3.
25 RB4/AN9/C2INA/ECCP1/P1A/CTPLS/KBI0 bidirectional Digital I/O that also serves as analog input AN9, Comparator 2 input C2INA, ECCP1 capture/compare/PWM, ECCP1 Enhanced PWM output P1A, CTMU pulse generator output CTPLS, and interrupt-on-change KBI0.
26 RB5/T0CKI/T3CKI/CCP5/KBI1 bidirectional Digital I/O that also serves as Timer0 external clock input T0CKI, Timer3 clock input T3CKI, CCP5 capture/compare/PWM pin, and interrupt-on-change KBI1.
27 RB6/PGC/TX2/CK2/KBI2 bidirectional Digital I/O that also serves as in-circuit debugger and ICSP programming clock PGC, EUSART asynchronous transmit TX2 or synchronous clock CK2, and interrupt-on-change KBI2.
28 RB7/PGD/T3G/RX2/DT2/KBI3 bidirectional Digital I/O that also serves as in-circuit debugger and ICSP programming data PGD, Timer3 external clock gate input T3G, EUSART asynchronous receive RX2 or synchronous data DT2, and interrupt-on-change KBI3.

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package SSOP-28-208mil
Category Embedded Processors & Controllers
Pins 28

CAD (KiCad official)

  • Symbol: PIC18F26K80-E
  • Footprint: Package_SO:SSOP-28_5.3x10.2mm_P0.65mm
  • 3D model: SSOP-28-208mil (KiCad packages3D, STEP)
  • 3D model files: pic18f26k80-e-etched.step / pic18f26k80-e-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); pic18f26k80-e.step / pic18f26k80-e.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Microchip Tech datasheet (598 pp, sha256 95222cf15424a99c, retrieved 2026-10-20, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF