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PIC16F1786T-I
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Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), QFN-28-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
Generated by kicad-footprint-generator · KiCad file format 20260206
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PIC16F1786T-I
Microchip Tech · Microcontroller Units (MCUs/MPUs/SOCs) · QFN-28-EP(6x6)
PIC16F1786T-I from Microchip Tech, in a QFN-28-EP(6x6). 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 | RA2 | bidirectional | General-purpose I/O with interrupt-on-change and weak pull-up, shared with AN2, VREF-/DAC1VREF-, comparator C1-C4IN0+ inputs, OPA1IN- and DAC1OUT1. |
| 2 | RA3 | bidirectional | General-purpose I/O with interrupt-on-change and weak pull-up, shared with AN3, VREF+/DAC1VREF+ and comparator input C1IN1+. |
| 3 | RA4 | bidirectional | General-purpose I/O with interrupt-on-change and weak pull-up, shared with C1OUT, OPA1IN+ and the Timer0 clock input T0CKI. |
| 4 | RA5 | bidirectional | General-purpose I/O with interrupt-on-change and weak pull-up, shared with AN4, C2OUT, OPA1IN- and the MSSP slave select SS. |
| 5 | VSS | power_in | Ground reference pin (one of two VSS pins, 5 and 16, on the 28-pin QFN). |
| 6 | RA7 | bidirectional | General-purpose I/O with interrupt-on-change and weak pull-up, shared with PSMC1CLK/PSMC2CLK/PSMC3CLK and the OSC1/CLKIN oscillator input. |
| 7 | RA6 | bidirectional | General-purpose I/O with interrupt-on-change and weak pull-up, shared with alternate C2OUT, VCAP, OSC2 and CLKOUT. |
| 8 | RC0 | bidirectional | General-purpose I/O with interrupt-on-change and weak pull-up, shared with SOSCO, T1CKI and PSMC1A. |
| 9 | RC1 | bidirectional | General-purpose I/O with interrupt-on-change and weak pull-up, shared with SOSCI, PSMC1B and CCP2. |
| 10 | RC2 | bidirectional | General-purpose I/O with interrupt-on-change and weak pull-up, shared with PSMC1C, PSMC3B and CCP1. |
| 11 | RC3 | bidirectional | General-purpose I/O with interrupt-on-change and weak pull-up, shared with PSMC1D and MSSP SCK/SCL. |
| 12 | RC4 | bidirectional | General-purpose I/O with interrupt-on-change and weak pull-up, shared with PSMC1E and MSSP SDI/SDA. |
| 13 | RC5 | bidirectional | General-purpose I/O with interrupt-on-change and weak pull-up, shared with PSMC1F, PSMC3A and MSSP SDO. |
| 14 | RC6 | bidirectional | General-purpose I/O with interrupt-on-change and weak pull-up, shared with PSMC2A, CCP3 and EUSART TX/CK. |
| 15 | RC7 | bidirectional | General-purpose I/O with interrupt-on-change and weak pull-up, shared with PSMC2B and EUSART RX/DT. |
| 16 | VSS | power_in | Ground reference pin (one of two VSS pins, 5 and 16, on the 28-pin QFN). |
| 17 | VDD | power_in | Positive supply; operating range is 2.3V to 5.5V for PIC16F1786 (1.8V to 3.6V for PIC16LF1786). |
| 18 | RB0 | bidirectional | General-purpose I/O with external interrupt INT, interrupt-on-change and weak pull-up, shared with AN12, C2IN1+, PSMC1IN/PSMC2IN/PSMC3IN and alternate CCP1. |
| 19 | RB1 | bidirectional | General-purpose I/O with interrupt-on-change and weak pull-up, shared with AN10, C1IN3-/C2IN3-/C3IN3-/C4IN3- and OPA2OUT. |
| 20 | RB2 | bidirectional | General-purpose I/O with interrupt-on-change and weak pull-up, shared with AN8, OPA2IN- and CLKR. |
| 21 | RB3 | bidirectional | General-purpose I/O with interrupt-on-change and weak pull-up, shared with AN9, C1IN2-/C2IN2-/C3IN2-, OPA2IN+ and alternate CCP2. |
| 22 | RB4 | bidirectional | General-purpose I/O with interrupt-on-change and weak pull-up, shared with AN11 and comparator input C3IN1+. |
| 23 | RB5 | bidirectional | General-purpose I/O with interrupt-on-change and weak pull-up, shared with AN13, C4IN2-, C3OUT, T1G, alternate CCP3 and alternate SDO. |
| 24 | RB6 | bidirectional | General-purpose I/O with interrupt-on-change and weak pull-up, shared with C4IN1+, alternate TX/CK/SDI/SDA and the ICSPCLK programming clock. |
| 25 | RB7 | bidirectional | General-purpose I/O with interrupt-on-change and weak pull-up, shared with DAC1OUT2, alternate RX/DT/SCK/SCL and the ICSPDAT programming data pin. |
| 26 | RE3 | input | Input-only pin with interrupt-on-change and weak pull-up, also serving as MCLR (master clear) and VPP (programming voltage). |
| 27 | RA0 | bidirectional | General-purpose I/O with interrupt-on-change and weak pull-up, shared with AN0 and comparator inputs C1IN0-/C2IN0-/C3IN0-/C4IN0-. |
| 28 | RA1 | bidirectional | General-purpose I/O with interrupt-on-change and weak pull-up, shared with AN1, C1IN1-/C2IN1-/C3IN1-/C4IN1- and OPA1OUT. |
| 29 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Microchip Tech |
| Package | QFN-28-EP(6x6) |
| Category | Single Chip Microcomputer/Microcontroller |
| Pins | 29 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Operating Voltage Range (PIC16F1786) | VDD | 2.3 | 5.5 | V | PIC16F1784/6/7 (non-LF) | 2 | |
| Operating Speed, clock input | 0 | 32 | MHz | DC, 32 MHz clock input | 1 |
CAD (KiCad official)
- Symbol:
PIC16F1786T-I - Footprint:
Package_DFN_QFN:QFN-28-1EP_6x6mm_P0.65mm_EP4.8x4.8mm - 3D model: QFN-28-EP(6x6) (KiCad packages3D, STEP)
- 3D model files:
pic16f1786t-i-etched.step/pic16f1786t-i-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);pic16f1786t-i.step/pic16f1786t-i.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Microchip Tech datasheet (14 pp, sha256
6f446e77f716057b, retrieved 2026-10-27, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text), consensusclaude-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).