component

PIC16F1778-I

Public Made by Adom

by adom

Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), SSOP-28-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentsingle chip microcomputer-microcontrollerpic16f1778-ifactory-2.0.0extractor-text
Overview Files Discover Packages Releases Dependencies Issues Breadcrumbs Pull Requests Activity
main
pic16f1778-i / README.md
History Download
Ray Publish 0.1.0 4aeeb01 1d ago

PIC16F1778-I

Microchip Tech · Microcontroller Units (MCUs/MPUs/SOCs) · SSOP-28-208mil

PIC16F1778-I 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 RE3/MCLR/VPP input General purpose input RE3 or active-low Master Clear reset input (MCLR) that also serves as the programming voltage pin (VPP).
2 RA0/AN0 bidirectional General purpose I/O with ADC channel 0 input, comparator C1-C6 IN0- negative inputs and CLCIN0 default input.
3 RA1/AN1 bidirectional General purpose I/O with ADC channel 1 input, comparator C1-C4 IN1- inputs, PRG1IN0/PRG2IN1 inputs, OPA1OUT output and OPA2IN1+/- inputs.
4 RA2/AN2/VREF- bidirectional General purpose I/O with ADC channel 2 input, ADC negative reference VREF-, DAC negative references, comparator IN0+ inputs and DAC1OUT1 output.
5 RA3/AN3/VREF+ bidirectional General purpose input (input-only per Section 11.1) with ADC channel 3 input, ADC positive reference VREF+, DAC positive references, C1IN1+ and MD1CL.
6 RA4/OPA1IN0+ bidirectional General purpose I/O with op amp 1 non-inverting input, PRG1R, MD1CH, DAC4OUT1 output and T0CKI.
7 RA5/AN4/OPA1IN0- bidirectional General purpose I/O with ADC channel 4 input, op amp 1 inverting input, DAC2OUT1 output, PRG1F, MD1MOD and SPI Slave Select (SS) input.
8 VSS power_in Ground reference.
9 RA7/CLKIN/OSC1 bidirectional General purpose I/O, external clock input CLKIN, or crystal/resonator connection OSC1 (LP, XT, HS modes).
10 RA6/CLKOUT/OSC2 bidirectional General purpose I/O, FOSC/4 CLKOUT output, comparator 6 C6IN1+ input, or crystal/resonator connection OSC2 (LP, XT, HS modes).
11 RC0/SOSCO bidirectional General purpose I/O with DAC5OUT1 output, T1CKI, T3CKI and T3G inputs, and secondary oscillator output SOSCO.
12 RC1/SOSCI bidirectional General purpose I/O with DAC7OUT1 output, PRG2R, CCP2 capture input and secondary oscillator input SOSCI.
13 RC2/AN14 bidirectional General purpose I/O with ADC channel 14 input, comparator 5/6 IN2- inputs, PRG2F, CCP1 capture input and T5CKI.
14 RC3/AN15/SCL bidirectional General purpose I/O with ADC channel 15 input, comparator C1-C6 IN4- inputs, T2IN, MD2CL and I2C clock SCL (open-drain).
15 RC4/AN16/SDA bidirectional General purpose I/O with ADC channel 16 input, comparator 5/6 IN3- inputs, T8IN, PRG3R, MD2CH and I2C data SDA (open-drain).
16 RC5/AN17 bidirectional General purpose I/O with ADC channel 17 input, op amp 3 OPA3IN0+ input, T4IN, PRG3F and MD2MOD.
17 RC6/AN18 bidirectional General purpose I/O with ADC channel 18 input, PRG3IN0, comparator 5/6 IN1- inputs and OPA3OUT op amp 3 output.
18 RC7/AN19 bidirectional General purpose I/O with ADC channel 19 input and op amp 3 OPA3IN0- input.
19 VSS power_in Ground reference.
20 VDD power_in Positive supply; 2.3V to 5.5V for PIC16F1778.
21 RB0 bidirectional General purpose I/O with ADC channel 12 input, zero-cross detect input ZCD, high-power output HIB0 (up to 100 mA source/sink), C2IN1+ and COG1IN.
22 RB1/AN10 bidirectional General purpose I/O with ADC channel 10 input, high-power output HIB1 (up to 100 mA), PRG1IN1/PRG2IN0, comparator IN3- inputs, op amp 1/2 pins and COG2IN.
23 RB2/AN8 bidirectional General purpose I/O with ADC channel 8 input, op amp 2 OPA2IN0- input, DAC3OUT1 output and COG3IN.
24 RB3/AN9 bidirectional General purpose I/O with ADC channel 9 input, comparator C1-C3 IN2- inputs, OPA2IN0+ input and MD3CL.
25 RB4/AN11 bidirectional General purpose I/O with ADC channel 11 input, C3IN1+ comparator input, T5G and MD3CH.
26 RB5/AN13 bidirectional General purpose I/O with ADC channel 13 input, DAC5/DAC7 negative references, C4IN2-, T1G, CCP7 and MD3MOD.
27 RB6/ICSPCLK bidirectional General purpose I/O with DAC5/DAC7 positive references, C4IN1+, CLCIN2 and ICSP serial programming clock ICSPCLK.
28 RB7/ICSPDAT bidirectional General purpose I/O with C5IN1+, DAC1-5/7 OUT2 outputs, T6IN, CLCIN3 and ICSP data I/O ICSPDAT.

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package SSOP-28-208mil
Category Single Chip Microcomputer/Microcontroller
Pins 28

CAD (KiCad official)

  • Symbol: PIC16F1778-I
  • Footprint: Package_SO:SSOP-28_5.3x10.2mm_P0.65mm
  • 3D model: SSOP-28-208mil (KiCad packages3D, STEP)
  • 3D model files: pic16f1778-i-etched.step / pic16f1778-i-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); pic16f1778-i.step / pic16f1778-i.glb are the bare package body.

Provenance

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

  • Datasheet: Microchip Tech datasheet (631 pp, sha256 ff707eb20d8bf03a, retrieved 2026-10-27, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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