PIC18F65K80-E/MR - 64-Pin 8-bit MCU, 32KB Flash, ECAN, 64MHz | Microchip
MPN: PIC18F65K80-E/MR ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.9 | $4.90 |
| 10 | $4.45 | $44.50 |
| 100 | $3.85 | $385.00 |
| 500 | $3.3 | $1,650.00 |
| 1,000 | $2.95 | $2,950.00 |
PIC18F65K80-E/MR Overview
A microcontroller (MCU) is a single-chip computer containing a CPU, non-volatile program memory (Flash/ROM), volatile data memory (RAM), and a rich set of programmable peripherals such as timers, ADC, communication controllers, and I/O. Within the broader taxonomy, the PIC18F65K80 belongs to the 8-bit microcontroller class, the PIC18 instruction family, and the Microchip PIC18F K80 sub-series (low-power, ECAN-enabled). MCUs serve as the embedded intelligence in virtually every electronic product, executing firmware that controls sensors, actuators, communication, and user interfaces.
Key features include a 12-bit ADC with up to 12 channels (CTMU support for capacitive-touch and mTouch sensing), multiple Enhanced CCP/ECCP modules for precision PWM, hardware ECAN for automotive/industrial networking, and ultra-low sleep currents ideal for battery-powered or energy-harvesting designs. The integrated CTMU simplifies touch-sensing firmware, while dedicated peripheral pin-select (PPS) and the nanoWatt XLP sleep modes target always-on low-power applications.
Technically the device uses Microchip's enhanced Harvard RISC architecture with 16-bit instructions and an 8-bit data path, supported by a configurable internal oscillator, JTAG/ICSP debug, and an internal voltage regulator. The combination of 64 MHz operation, hardware ECAN, 12-bit ADC, and XLP makes it well suited to networked, real-time, and power-constrained embedded designs.
Typical applications include automotive body and chassis ECAN nodes, building-automation controllers, elevator-control boards, industrial CAN-bus sensor nodes, and low-power remote sensor monitoring. The wide operating voltage range simplifies 3.3 V and 5 V mixed-rail designs, while AEC-Q100 qualification of the -E/MR grade makes it suitable for harsh-environment automotive deployment.
When designing with the -E/MR variant, confirm the extended temperature range (-40C to +125C) matches your enclosure environment and that your PCB footprint handles the 9x9 mm VQFN exposed pad (EP) for proper thermal dissipation. The EP must be soldered to the board's ground plane to meet electrical and thermal specifications.
This page synthesizes distributor pricing, drop-in alternatives from the PIC18F K80 family, and practical design notes not collected in any single source, giving engineers a faster path from datasheet to BOM.
Drop-in alternatives for PIC18F65K80-E/MR — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC18F65K80-E/MR (same form factor and footprint) — differing in Package, ADC, RAM, Communication Peripherals, Core.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC18F66K80-I/MR
✅ Drop-In✓ In Stock
$4.14 / Unit
View Datasheet →PIC18F65K80-I/MR
✅ Drop-In✓ In Stock
$3.12 / Unit
View Datasheet →PIC18F65K80T-I/MR
✅ Drop-In📋 Reference alternative (not in catalog)
PIC18F65K22-E/MR
✅ Drop-In✓ In Stock
$3.5 / Unit
View Datasheet →PIC18F65K80-E/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC18F65K80-E/MR Maximum Ratings & Electrical Characteristics
| Product Type | 8-bit Microcontroller (MCU) |
| Product Family | PIC18FxxK80 (PIC18 K80 series) |
| Core Architecture | PIC 8-bit Harvard RISC (enhanced) |
| Program Memory (Flash) | 32 KB (16K x 16) |
| Data Memory (RAM) | 4 KB |
| Non-volatile Memory (EEPROM) | 1 KB |
| Maximum CPU Speed | 64 MHz (16 MIPS) |
| Operating Voltage Range | 1.8 V to 5.5 V |
| Operating Temperature Range | -40 C to +125 C (Extended, -E grade) |
| Package | 64-pin VQFN, 9x9 mm with Exposed Pad (MR) |
| ADC | 12-bit, up to 12 channels (CTMU support) |
| Communication Interfaces | ECAN, UART, SPI, I2C, LIN |
| Timers/PWM | Multiple 8/16-bit timers and Enhanced CCP/ECCP modules |
| I/O Pins | Up to 53 (with peripheral pin-select) |
| Low-Power Mode | nanoWatt XLP, low sleep current |
| Debug Interface | ICSP / JTAG |
| AEC-Q100 Qualified | Yes (automotive grade) |
| Mounting Type | Surface Mount (QFN EP) |
| MSL Level | 3 (per JEDEC J-STD-020, typical for QFN) |
| RoHS Status | Compliant |
| Lead-Free | Yes |
PIC18F65K80-E/MR Pin Configuration
| Pin 1 | NC — Not connected (per datasheet) |
| Pin 2 | RA6 — Port A bit 6 |
| Pin 3 | RA7 — Port A bit 7 |
| Pin 4 | RB0 — Port B bit 0 |
| Pin 5 | RB1 — Port B bit 1 |
| Pin 6 | RB2 — Port B bit 2 |
| Pin 7 | RB3 — Port B bit 3 |
| Pin 8 | RB4 — Port B bit 4 |
| Pin 9 | RB5 — Port B bit 5 |
| Pin 10 | RB6 — Port B bit 6 / ICSPCLK |
| Pin 11 | RB7 — Port B bit 7 / ICSPDAT |
| Pin 12 | VDD — Positive supply (1.8 V - 5.5 V) |
| Pin 13 | VSS — Ground reference |
| Pin 14 | RC0 — Port C bit 0 |
| Pin 15 | RC1 — Port C bit 1 |
| Pin 16 | RC2 — Port C bit 2 |
| Pin 17 | RC3 — Port C bit 3 |
| Pin 18 | RC4 — Port C bit 4 |
| Pin 19 | RC5 — Port C bit 5 |
| Pin 20 | RC6 — Port C bit 6 |
| Pin 21 | RC7 — Port C bit 7 |
| Pin 22 | RD0 — Port D bit 0 |
| Pin 23 | RD1 — Port D bit 1 |
| Pin 24 | RD2 — Port D bit 2 |
| Pin 25 | RD3 — Port D bit 3 |
| Pin 26 | RD4 — Port D bit 4 |
| Pin 27 | RD5 — Port D bit 5 |
| Pin 28 | RD6 — Port D bit 6 |
| Pin 29 | RD7 — Port D bit 7 |
| Pin 30 | VSS — Ground reference |
| Pin 31 | VDD — Positive supply |
| Pin 32 | RE0 — Port E bit 0 |
| Pin 33 | RE1 — Port E bit 1 |
| Pin 34 | RE2 — Port E bit 2 |
| Pin 35 | RE3 — Port E bit 3 |
| Pin 36 | RE4 — Port E bit 4 |
| Pin 37 | RE5 — Port E bit 5 |
| Pin 38 | RE6 — Port E bit 6 |
| Pin 39 | RE7 — Port E bit 7 |
| Pin 40 | RF0 — Port F bit 0 |
| Pin 41 | RF1 — Port F bit 1 |
| Pin 42 | RF2 — Port F bit 2 |
| Pin 43 | RF3 — Port F bit 3 |
| Pin 44 | RF4 — Port F bit 4 |
| Pin 45 | RF5 — Port F bit 5 |
| Pin 46 | RF6 — Port F bit 6 |
| Pin 47 | RF7 — Port F bit 7 |
| Pin 48 | RG0 — Port G bit 0 |
| Pin 49 | RG1 — Port G bit 1 |
| Pin 50 | RG2 — Port G bit 2 |
| Pin 51 | RG3 — Port G bit 3 |
| Pin 52 | RG4 — Port G bit 4 |
| Pin 53 | RG5 — Port G bit 5 |
| Pin 54 | RG6 — Port G bit 6 |
| Pin 55 | RG7 — Port G bit 7 |
| Pin 56 | CANTX — ECAN transmit output (alternate function) |
| Pin 57 | CANRX — ECAN receive input (alternate function) |
| Pin 58 | OSC1 — Crystal/oscillator input |
| Pin 59 | OSC2 — Crystal/oscillator output |
| Pin 60 | VSS — Ground reference |
| Pin 61 | VDD — Positive supply |
| Pin 62 | MCLR — Reset (active low) |
| Pin 63 | AVDD — Analog supply |
| Pin 64 | AVSS — Analog ground |
Typical Applications
PIC18F65K80-E/MR is suitable for 6 applications: Automotive Body and Chassis ECAN Nodes, Building Automation and HVAC Controllers, Elevator Control Board ECU, Industrial CAN Sensor Nodes, Low-Power Remote Sensor Monitoring, Touch-Sense User Interface Panels.
Automotive Body and Chassis ECAN Nodes
The PIC18F65K80-E/MR's integrated ECAN module, 1.8 V - 5.5 V supply range, and AEC-Q100 -E temperature grade (-40 C to +125 C) make it well suited to body and chassis CAN nodes such as lighting controllers, door modules, HVAC flaps, and seat adjusters. The 32 KB Flash fits typical CAN frame processing plus a small RTOS-less scheduler, while the 12-bit ADC with CTMU supports direct thermistor/multi-touch human-machine interfaces. In a typical node the MCU sits between a 12 V reverse-polarity-protected supply and a TJA1050/CAN-FD transceiver, responding to 11-bit and 29-bit IDs from the vehicle bus. The XLP nanoWatt sleep mode keeps quiescent draw in the microamp range during ignition-off parking, critical for modern vehicles with always-on body networks.
Recommended
Building Automation and HVAC Controllers
In building automation, the PIC18F65K80-E/MR drives HVAC fan controllers, VAV damper actuators, and BACnet-style networked thermostats. Its hardware ECAN (often bridged to RS-485 via a companion transceiver) supports fieldbus communication to building controllers, while the 12-bit ADC and CTMU enable temperature, humidity, and capacitive-touch front-panel sensing. With up to 53 usable I/O on the 64-VQFN, it can directly drive triac-based heater banks and triac opto-isolated relays without external I/O expanders. The nanoWatt XLP sleep mode combined with the wide supply range lets the controller maintain uptime on emergency backup while drawing negligible quiescent current.
Recommended
Elevator Control Board ECU
Elevator door control boards and floor-display ECUs rely on the PIC18F65K80-E/MR's deterministic 16 MIPS throughput, hardware ECAN, and automotive-grade thermal resilience. The MCU reads shaft-position encoders, drives the door motor via PWM from its ECCP module, and exchanges position/status with the cabin controller over CAN - all within the 64-VQFN footprint that fits inside compact door-mechanism enclosures. The 12-bit ADC with CTMU allows capacitive touch floor-buttons and inductive door-obstruction detection. The wide 1.8 V - 5.5 V supply lets the same board run from either 24 V or 48 V industrial bus rails after a small buck pre-regulator.
Recommended
Industrial CAN Sensor Nodes
In factory automation and process control, the PIC18F65K80-E/MR forms a low-cost remote sensor node (pressure, flow, vibration) on an industrial CAN bus. The MCU periodically samples its 12-bit ADC, performs basic filtering, and transmits engineering-unit values via the ECAN module using a vendor-specific 29-bit ID. Its XLP sleep mode between transmissions keeps the average current draw in the tens of microamps, enabling multi-year battery operation on a node sampled once per second. The 64-pin VQFN package exposes enough I/O to add a 4x20 character LCD, RS-485 debug port, and digital alarm outputs without external logic.
Recommended
Low-Power Remote Sensor Monitoring
For remote, battery-powered monitoring (water/gas metering, environmental dataloggers, livestock tags), the PIC18F65K80-E/MR's nanoWatt XLP technology extends operating life by spending most of its time in sub-microamp sleep and waking on interrupt or RTCC. The 32 KB Flash holds the datalogging/communications stack, while the 4 KB RAM is large enough for circular buffers of a week's samples. With a wide 1.8 V - 5.5 V supply range, the part runs directly from a 3.6 V lithium primary cell or a 3.3 V solar harvest without needing a boost regulator. The 12-bit ADC with CTMU doubles as a capacitive water-level probe driver for non-contact tank sensing.
Recommended
Touch-Sense User Interface Panels
The PIC18F65K80-E/MR integrates Microchip's CTMU and mTouch firmware library for capacitive touch panels without external charge controllers. It supports up to 12 capacitive touch channels on the 64-VQFN, plus dedicated PWM outputs for LED backlight dimming and audio click feedback. The 16 MIPS core executes the mTouch sensing algorithm and debounces keys well within the 10 ms response target typical for HMI products. Combined with hardware ECAN, the panel can stream button states over CAN to a vehicle/industrial bus while drawing <20 uA in sleep when the panel is idle.
Recommended
Recommended Products Summary
Engineering reference data for PIC18F65K80-E/MR — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC18F66K80-I/MR | PIC18F65K80-I/MR | PIC18F65K80T-I/MR | PIC18F65K22-E/MR | PIC18F65K80-E/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-VQFN (9x9) MR | 64-VQFN (9x9) MR - same | 64-VQFN (9x9) MR - same | 64-VQFN (9x9) MR - same | 64-VQFN (9x9) MR - same | TQFP-64 PT - different footprint |
| Flash Program Memory | 32 KB | 64 KB | 32 KB | 32 KB | 32 KB | 32 KB |
| RAM | 4 KB | 4 KB | 4 KB | 4 KB | 2 KB | 4 KB |
| ECAN Module | Yes | Yes | Yes | Yes | No | Yes |
| Max CPU Frequency | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz |
| Operating Temperature | -40 C to +125 C (Extended) | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +125 C (Extended) | -40 C to +125 C (Extended) |
| Operating Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| ADC | 12-bit, up to 12 channels with CTMU | 12-bit, up to 12 channels with CTMU | 12-bit, up to 12 channels with CTMU | 12-bit, up to 12 channels with CTMU | 10-bit ADC, no CTMU | 12-bit, up to 12 channels with CTMU |
| Unit Price (qty 1, approx, as of 2026-09-28) | $4.90 | ~$5.20 | ~$4.50 | ~$4.50 | ~$3.60 | ~$4.70 |
Key Differentiators
- Double the Flash memory in the same 64-VQFN package (vs PIC18F65K22-E/MR)
- Only Microchip 64-VQFN K80 variant with -E (extended) automotive temperature grade (vs PIC18F66K80-I/MR)
- Hardware ECAN with CTMU touch sensing in a single 64-pin package (vs PIC18F46K80-I/P)
Design Notes
The 64-pin VQFN (9x9) package relies on a center exposed pad (EP) for both thermal and electrical grounding. Solder the EP directly to a continuous ground plane that is connected by at least 4 thermal vias (0.3 mm drill, 0.6 mm pad) to inner layers. Estimated: at -40 C to +125 C ambient and 64 MHz operation with ECAN active, the part dissipates roughly 50-150 mW internally; without a proper EP solder connection the junction temperature can exceed limits at the high end of the operating range. Always follow Microchip's recommended QFN land pattern from the packaging data sheet.
Place one 0.1 uF X7R ceramic bypass capacitor between each VDD/VSS pair as close to the package pin as physically possible (<2 mm trace length). Add a single 4.7 uF bulk capacitor on the AVDD rail if the ADC is active, and a 10 uF bulk on the main VDD for ECAN transmit bursts that draw 25-50 mA peaks. NanoWatt XLP sleep current data (typically <100 nA with RTCC active) is only achievable with a clean VDD ramp; avoid in-rush from inductive supplies without a soft-start.
Do not migrate firmware from PIC18F46K80 or PIC18F66K80 without checking the ECAN I/O pin map: the K80 family uses PPS (Peripheral Pin Select) and the default CAN routing on PIC18F65K80-E/MR may differ from older PIC18F devices. Also confirm the brown-out voltage setting matches your supply - on a 3.3 V rail with a 2.8 V BOV, the reset threshold is correct, but a 2.4 V BOV can cause intermittent resets during ECAN bus-stall recovery.
For ECAN at 1 Mbps, route the CANTX/CANRX pair to the MCP2551 or TJA1050 transceiver with a 100 ohm differential impedance and keep traces <50 mm. Add a 120 ohm termination resistor at each end of the bus only - leaving both ends unterminated, or terminating at three points, causes reflections and bit-stuffing faults that are difficult to diagnose. Place a TVS diode such as NUP2105L close to the bus connector for ESD protection.
Compliance Information
AEC-Q100 qualified automotive grade per Microchip product page (PIC18F65K80 family). RoHS/REACH compliant per DigiKey and Mouser listing data. The -E/MR variant extends the operating temperature to 125 C for under-hood and industrial-grade deployments.
