component
PIC16F1778-I
Public Made by Adomby adom
Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), SSOP-28-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "pic16f1778-i",
"version": "0.1.0",
"type": "component",
"description": "Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), SSOP-28-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"single chip microcomputer-microcontroller",
"pic16f1778-i",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"pic16f1778-i.kicad_sym",
"pic16f1778-i.kicad_mod",
"pic16f1778-i.glb",
"pic16f1778-i.step",
"pic16f1778-i.lbr",
"docs/hero.png",
"docs/pic16f1778-i-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"pic16f1778-i-hero.glb",
"pic16f1778-i-hero.overlay.json",
"pic16f1778-i-etched.glb"
],
"component": {
"mpn": "PIC16F1778-I",
"manufacturer": "Microchip Tech",
"package": "SSOP-28-208mil",
"pin_count": 28,
"category": "Single Chip Microcomputer/Microcontroller",
"subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/69ec37121f4736bf964d6cbb48a33bc1.pdf",
"parts": {
"symbol": "pic16f1778-i.kicad_sym",
"footprint": "pic16f1778-i.kicad_mod",
"model_3d": "pic16f1778-i-hero.glb",
"model_3d_plain": "pic16f1778-i-etched.glb",
"model_3d_step": "pic16f1778-i-etched.step",
"model_3d_step_plain": "pic16f1778-i.step",
"lbr": "pic16f1778-i.lbr"
},
"distributor_links": {
"lcsc": "C641709"
},
"distributor_check": {
"checked_at": "2026-10-27T09:35:58Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "RE3/MCLR/VPP",
"type": "input",
"description": "General purpose input RE3 or active-low Master Clear reset input (MCLR) that also serves as the programming voltage pin (VPP)."
},
{
"number": "2",
"name": "RA0/AN0",
"type": "bidirectional",
"description": "General purpose I/O with ADC channel 0 input, comparator C1-C6 IN0- negative inputs and CLCIN0 default input."
},
{
"number": "3",
"name": "RA1/AN1",
"type": "bidirectional",
"description": "General purpose I/O with ADC channel 1 input, comparator C1-C4 IN1- inputs, PRG1IN0/PRG2IN1 inputs, OPA1OUT output and OPA2IN1+/- inputs."
},
{
"number": "4",
"name": "RA2/AN2/VREF-",
"type": "bidirectional",
"description": "General purpose I/O with ADC channel 2 input, ADC negative reference VREF-, DAC negative references, comparator IN0+ inputs and DAC1OUT1 output."
},
{
"number": "5",
"name": "RA3/AN3/VREF+",
"type": "bidirectional",
"description": "General purpose input (input-only per Section 11.1) with ADC channel 3 input, ADC positive reference VREF+, DAC positive references, C1IN1+ and MD1CL."
},
{
"number": "6",
"name": "RA4/OPA1IN0+",
"type": "bidirectional",
"description": "General purpose I/O with op amp 1 non-inverting input, PRG1R, MD1CH, DAC4OUT1 output and T0CKI."
},
{
"number": "7",
"name": "RA5/AN4/OPA1IN0-",
"type": "bidirectional",
"description": "General purpose I/O with ADC channel 4 input, op amp 1 inverting input, DAC2OUT1 output, PRG1F, MD1MOD and SPI Slave Select (SS) input."
},
{
"number": "8",
"name": "VSS",
"type": "power_in",
"description": "Ground reference."
},
{
"number": "9",
"name": "RA7/CLKIN/OSC1",
"type": "bidirectional",
"description": "General purpose I/O, external clock input CLKIN, or crystal/resonator connection OSC1 (LP, XT, HS modes)."
},
{
"number": "10",
"name": "RA6/CLKOUT/OSC2",
"type": "bidirectional",
"description": "General purpose I/O, FOSC/4 CLKOUT output, comparator 6 C6IN1+ input, or crystal/resonator connection OSC2 (LP, XT, HS modes)."
},
{
"number": "11",
"name": "RC0/SOSCO",
"type": "bidirectional",
"description": "General purpose I/O with DAC5OUT1 output, T1CKI, T3CKI and T3G inputs, and secondary oscillator output SOSCO."
},
{
"number": "12",
"name": "RC1/SOSCI",
"type": "bidirectional",
"description": "General purpose I/O with DAC7OUT1 output, PRG2R, CCP2 capture input and secondary oscillator input SOSCI."
},
{
"number": "13",
"name": "RC2/AN14",
"type": "bidirectional",
"description": "General purpose I/O with ADC channel 14 input, comparator 5/6 IN2- inputs, PRG2F, CCP1 capture input and T5CKI."
},
{
"number": "14",
"name": "RC3/AN15/SCL",
"type": "bidirectional",
"description": "General purpose I/O with ADC channel 15 input, comparator C1-C6 IN4- inputs, T2IN, MD2CL and I2C clock SCL (open-drain)."
},
{
"number": "15",
"name": "RC4/AN16/SDA",
"type": "bidirectional",
"description": "General purpose I/O with ADC channel 16 input, comparator 5/6 IN3- inputs, T8IN, PRG3R, MD2CH and I2C data SDA (open-drain)."
},
{
"number": "16",
"name": "RC5/AN17",
"type": "bidirectional",
"description": "General purpose I/O with ADC channel 17 input, op amp 3 OPA3IN0+ input, T4IN, PRG3F and MD2MOD."
},
{
"number": "17",
"name": "RC6/AN18",
"type": "bidirectional",
"description": "General purpose I/O with ADC channel 18 input, PRG3IN0, comparator 5/6 IN1- inputs and OPA3OUT op amp 3 output."
},
{
"number": "18",
"name": "RC7/AN19",
"type": "bidirectional",
"description": "General purpose I/O with ADC channel 19 input and op amp 3 OPA3IN0- input."
},
{
"number": "19",
"name": "VSS",
"type": "power_in",
"description": "Ground reference."
},
{
"number": "20",
"name": "VDD",
"type": "power_in",
"description": "Positive supply; 2.3V to 5.5V for PIC16F1778."
},
{
"number": "21",
"name": "RB0",
"type": "bidirectional",
"description": "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."
},
{
"number": "22",
"name": "RB1/AN10",
"type": "bidirectional",
"description": "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."
},
{
"number": "23",
"name": "RB2/AN8",
"type": "bidirectional",
"description": "General purpose I/O with ADC channel 8 input, op amp 2 OPA2IN0- input, DAC3OUT1 output and COG3IN."
},
{
"number": "24",
"name": "RB3/AN9",
"type": "bidirectional",
"description": "General purpose I/O with ADC channel 9 input, comparator C1-C3 IN2- inputs, OPA2IN0+ input and MD3CL."
},
{
"number": "25",
"name": "RB4/AN11",
"type": "bidirectional",
"description": "General purpose I/O with ADC channel 11 input, C3IN1+ comparator input, T5G and MD3CH."
},
{
"number": "26",
"name": "RB5/AN13",
"type": "bidirectional",
"description": "General purpose I/O with ADC channel 13 input, DAC5/DAC7 negative references, C4IN2-, T1G, CCP7 and MD3MOD."
},
{
"number": "27",
"name": "RB6/ICSPCLK",
"type": "bidirectional",
"description": "General purpose I/O with DAC5/DAC7 positive references, C4IN1+, CLCIN2 and ICSP serial programming clock ICSPCLK."
},
{
"number": "28",
"name": "RB7/ICSPDAT",
"type": "bidirectional",
"description": "General purpose I/O with C5IN1+, DAC1-5/7 OUT2 outputs, T6IN, CLCIN3 and ICSP data I/O ICSPDAT."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-sonnet-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The 28-pin SPDIP/SOIC/SSOP pin numbers come from the shared allocation table (Table 3, pages 8-9), a; Table 1-2 has errors: it labels RC5 OPA3IN0+ as 'inverting' and RC7 OPA3IN0- as 'non-inverting', and; The pinout table lists RA3 as an I/O, but Section 11.1 says RA3 is input-only (its TRIS bit always r",
"8/28 pins cited to the wrong page (name found elsewhere): ['7:RA5/AN4/OPA1IN0-@p20', '13:RC2/AN14@p22', '20:VDD@p23', '24:RB3/AN9@p21']"
],
"pages_sent": 118,
"cost_usd": 0.983,
"at": "2026-10-27T09:35:37"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/69ec37121f4736bf964d6cbb48a33bc1.pdf",
"pages": 631,
"sha256": "ff707eb20d8bf03a",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 28,
"described": 28,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
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"file": "pic16f1778-i.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
7.8,
10.2,
2.1
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "7aa76979ae41da44bded1ed74115012868f2f3f5a757faf32bb9df4f92c1e313",
"checked": "2026-10-27",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "pic16f1778-i-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
7.8,
10.2,
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"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "6638262f4741dcaa5f01729a5edc105bad715342598d45590c3cb4e4c7d53a43",
"checked": "2026-10-27",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}