PIC18F4480-E/P - 8-bit 40MHz MCU 16KB Flash ECAN 40-PDIP | Microchip
MPN: PIC18F4480-E/P ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.85 | $5.85 |
| 10 | $5.27 | $52.70 |
| 100 | $4.69 | $469.00 |
| 500 | $4.21 | $2,105.00 |
| 1,000 | $3.79 | $3,790.00 |
PIC18F4480-E/P Overview
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, peripherals, and I/O on one die. The PIC18 family sits in Microchip's enhanced mid-range tier and forms part of the broader microcontroller taxonomy: 8-bit MCU -> PIC18 -> enhanced flash MCU with ECAN -> industrial communication controller. The RISC Harvard architecture executes one instruction per cycle except for branches, which take two cycles. The 16-bit instruction word with separate 8-bit data paths gives the family its high code density and deterministic interrupt latency.
Key features include integrated ECAN (Enhanced Controller Area Network) module for industrial and automotive networking, a 10-bit ADC with up to 13 input channels, three independent timers, two capture/compare/PWM modules, an enhanced USART, MSSP for SPI and I2C, and nanoWatt power management for ultra-low sleep currents. The part supports in-circuit serial programming via ICSP and in-circuit debugging via ICD. Two speed grades are commonly referenced: the 25 MHz / 25 MIPS rating and a higher 40 MHz / 10 MIPS rating under specific electrical conditions.
Typical applications include CAN bus node controllers, industrial sensor hubs, HVAC fan and damper controllers, automotive body modules, and small automation PLCs. The wide -40C to +125C range suits outdoor, in-cabin, and under-hood installations. When designing with this device, ensure the on-board voltage regulator supplies a stable 4.2 V to 5.5 V rail and place the decoupling capacitor network as close as possible to the VDD and VSS pins to suppress switching noise.
Drop-in alternatives for PIC18F4480-E/P — 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 PIC18F4480-E/P (same form factor and footprint) — differing in Package, Core Architecture, Operating Temperature, Timers, RoHS Status.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC18F4480-I/P
✅ Drop-In✓ In Stock
$6.62 / Unit
View Datasheet →PIC18F4580-I/P
✅ Drop-In✓ In Stock
$5.1 / Unit
View Datasheet →PIC18F4420-I/P
✅ Drop-In📋 Reference alternative (not in catalog)
PIC18F4480-E/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC18F4520-I/P
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$5.35 / Unit
View Datasheet →PIC18F4480-E/P Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC18 8-bit RISC Harvard |
| Program Memory (Flash) | 16 KB (8K x 16) |
| Data SRAM | 768 bytes |
| Data EEPROM | 256 bytes |
| Maximum CPU Speed | 40 MHz |
| Instruction Throughput | 25 MIPS at 25 MHz / 10 MIPS at 40 MHz |
| Operating Voltage | 4.2 V to 5.5 V |
| I/O Pins | 36 |
| ADC | 10-bit, up to 13 channels |
| ECAN Module | Yes (Enhanced CAN) |
| Timers | 3 (Timer0/1/2/3 depending on mode) |
| Capture/Compare/PWM | 2 ECCP modules |
| Serial Interfaces | EUSART, MSSP (SPI/I2C) |
| Operating Temperature | -40C to +125C (Extended, -E) |
| Package | 40-pin PDIP (PDIP-40) |
| Mounting Type | Through-Hole |
| RoHS Status | Compliant |
PIC18F4480-E/P Pin Configuration
| Pin 1 | MCLR — Master Clear (Reset) input, active low |
| Pin 2 | RA0 — PORTA bit 0 / AN0 analog input |
| Pin 3 | RA1 — PORTA bit 1 / AN1 analog input |
| Pin 4 | RA2 — PORTA bit 2 / AN2 analog input |
| Pin 5 | RA3 — PORTA bit 3 / AN3 analog input / VREF+ |
| Pin 6 | RA4 — PORTA bit 4 / T0CKI / AN4 |
| Pin 7 | RA5 — PORTA bit 5 / AN5 / SS |
| Pin 8 | RA6 — PORTA bit 6 / OSC2 |
| Pin 9 | RA7 — PORTA bit 7 / OSC1 |
| Pin 10 | VSS — Ground reference |
| Pin 11 | VDD — Positive supply voltage 4.2-5.5V |
| Pin 12 | RB0 — PORTB bit 0 / INT0 |
| Pin 13 | RB1 — PORTB bit 1 / INT1 |
| Pin 14 | RB2 — PORTB bit 2 / INT2 |
| Pin 15 | RB3 — PORTB bit 3 / PGM |
| Pin 16 | RB4 — PORTB bit 4 |
| Pin 17 | RB5 — PORTB bit 5 / PGM |
| Pin 18 | RB6 — PORTB bit 6 / PGC (ICD clock) |
| Pin 19 | RB7 — PORTB bit 7 / PGD (ICD data) |
| Pin 20 | VSS — Ground reference |
| Pin 21 | VDD — Positive supply voltage 4.2-5.5V |
| Pin 22 | RC0 — PORTC bit 0 / T1OSO / T1CKI |
| Pin 23 | RC1 — PORTC bit 1 / T1OSI / CCP1E |
| Pin 24 | RC2 — PORTC bit 2 / CCP2 / CANTX |
| Pin 25 | RC3 — PORTC bit 3 / SCL / SCK |
| Pin 26 | RC4 — PORTC bit 4 / SDA / SDI |
| Pin 27 | RC5 — PORTC bit 5 / SDO |
| Pin 28 | RC6 — PORTC bit 6 / TX / CK |
| Pin 29 | RC7 — PORTC bit 7 / RX / DT |
| Pin 30 | VSS — Ground reference |
| Pin 31 | VDD — Positive supply voltage 4.2-5.5V |
| Pin 32 | RD0 — PORTD bit 0 / PSP0 |
| Pin 33 | RD1 — PORTD bit 1 / PSP1 |
| Pin 34 | RD2 — PORTD bit 2 / PSP2 |
| Pin 35 | RD3 — PORTD bit 3 / PSP3 |
| Pin 36 | RD4 — PORTD bit 4 / PSP4 |
| Pin 37 | RD5 — PORTD bit 5 / PSP5 / P1B |
| Pin 38 | RD6 — PORTD bit 6 / PSP6 / P1C |
| Pin 39 | RD7 — PORTD bit 7 / PSP7 / P1D |
| Pin 40 | RE0 — PORTE bit 0 / AN6 / RD |
| Pin 41 | RE1 — PORTE bit 1 / AN7 / WR |
| Pin 42 | RE2 — PORTE bit 2 / AN8 / CS |
| Pin 43 | RE3 — PORTE bit 3 / AN9 |
Typical Applications
PIC18F4480-E/P is suitable for 6 applications: Industrial CAN Bus Node Controller, Automotive HVAC Control Module, Building Automation Sensor Hub, Small Industrial PLC Logic Module, Medical Device Sensor Interface, Solar Inverter Monitoring Board.
Industrial CAN Bus Node Controller
The PIC18F4480-E/P fits industrial CAN bus nodes because its integrated ECAN module supports CAN 2.0B active with hardware acceptance filtering, eliminating the external CAN controller typical of 8-bit MCU designs. With 16 KB Flash, 768 bytes SRAM, and a 40 MHz clock delivering 10 MIPS, the part handles CANopen or DeviceNet protocol stacks plus application logic. The 36 I/O pins connect to sensors, opto-isolated inputs, and relay drivers. The -40C to +125C extended temperature range lets the design live inside cabinets near motors, drives, and unconditioned factory floors. ECAN bit rates up to 1 Mbps suit 250 kbps CANopen and 500 kbps DeviceNet, and the 13-channel 10-bit ADC reads analog sensor signals directly. Place a 4.7 uF tantalum + 100 nF ceramic decoupling network at VDD, and use twisted-pair CANH/CANL routing per ISO 11898 with 120 ohm termination at cable ends.
Recommended
Automotive HVAC Control Module
The PIC18F4480-E/P suits non-safety automotive HVAC control because the -40C to +125C extended range covers cabin and under-hood thermal stress. Its ECAN module links the module to the vehicle CAN bus for diagnostic and command messages, while 36 I/O pins drive stepper motors, fan relays, and read thermistor inputs via the 13-channel 10-bit ADC. The 16 KB Flash stores control algorithms, calibration tables, and CAN identifiers, while 768 bytes of SRAM handle real-time state without overflow. PWM outputs from two ECCP modules generate variable-duty fan control signals and servo positioning without external timers. Designers should isolate the MCU power rail from the actuator rail via a 5V LDO with TVS protection, and route ECAN through a TJA1050 or MCP2551 transceiver with proper bus termination.
Recommended
Building Automation Sensor Hub
The PIC18F4480-E/P works well in building automation sensor hubs because the EUSART and MSSP interfaces connect concurrently to RS-485 field buses and SPI/I2C sensor chains. ECAN links to higher-tier controllers, while the 10-bit ADC digitizes temperature, humidity, and air-quality transducers. With 16 KB Flash and 768 bytes SRAM, the device runs standard BACnet MS-TP or Modbus RTU slaves plus local logic for pre-processing. The 40 MHz clock and 10 MIPS throughput let one PIC18F4480 service multiple sensor inputs with deterministic latency. The nanoWatt sleep modes drop quiescent current below 100 nA for battery-backed operation during blackouts. Use isolated DC-DC converters for RS-485 bus power to survive ground loops common in large buildings.
Recommended
Small Industrial PLC Logic Module
The PIC18F4480-E/P fits compact industrial PLC logic modules because 36 I/O pins, 13 ADC channels, and 16 KB Flash deliver enough horsepower for ladder-logic-style ladder programs plus HMI display drivers. Two ECCP modules produce PWM for proportional valve control, while three timers cascade for precise input capture on high-speed pulse counters. The ECAN module lets the small PLC act as a distributed I/O node on a CANopen or DeviceNet network, with hardware acceptance filters reducing host CPU load. The -40C to +125C operating range handles unconditioned cabinet environments. Use opto-isolators on all digital inputs to 24V field wiring, and ensure the on-board 5V regulator provides 250 mA minimum for the MCU and isolation LED chains.
Recommended
Medical Device Sensor Interface
The PIC18F4480-E/P supports medical device sensor interfaces such as portable spirometers, pulse oximeter front-ends, and infusion pump motor drivers because its low-noise 10-bit ADC captures analog biosignals with 13 channels multiplexed. The MSSP SPI interface connects directly to clinical-grade AFE chips, and the EUSART streams serial data to BLE modules for telemetry. The 16 KB Flash stores calibration coefficients and lookup tables, while 768 bytes SRAM buffers sample windows between transmissions. The extended temperature range suits handheld and bedside equipment exposed to disinfectant wipe-downs and skin-contact heating. Designers should employ medical-grade isolation per IEC 60601 and use a separate analog ground plane beneath the ADC traces.
Recommended
Solar Inverter Monitoring Board
The PIC18F4480-E/P suits solar inverter monitoring boards because its ECAN module reports operating telemetry to the central MPPT controller, while the 13-channel 10-bit ADC samples string voltage, current, and temperature sensors. The extended -40C to +125C range survives outdoor combiner-box installations, and the nanoWatt sleep modes enable night-time standby current below 100 nA to preserve battery life. With 16 KB Flash and 768 bytes SRAM, the part runs the CANopen or Modbus slave stack plus error-logging routines. Two PWM channels can also drive a fan or buzzer for fault alerts. Place TVS diodes on all input pins to absorb lightning-induced transients, and use shielded twisted pair for ECAN wiring to the master controller.
Recommended
Recommended Products Summary
Engineering reference data for PIC18F4480-E/P — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC18F4480-I/P | PIC18F4580-I/P | PIC18F4420-I/P | PIC18F4480-E/PT | PIC18F4520-I/P |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | PDIP-40 | PDIP-40 - same | PDIP-40 - same | PDIP-40 - same | TQFP-44 - same die, different package | PDIP-40 - same |
| Flash Program Memory | 16 KB | 16 KB | 32 KB | 16 KB | 16 KB | 32 KB |
| SRAM | 768 bytes | 768 bytes | 1536 bytes | 768 bytes | 768 bytes | 1536 bytes |
| EEPROM | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes |
| ECAN Module | Yes | Yes | Yes | No | Yes | No |
| Maximum Clock Speed | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz |
| Operating Temperature | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) |
Key Differentiators
- Integrated ECAN module vs PIC18F4420 (vs PIC18F4420-I/P)
- Extended temperature range vs -I variants (vs PIC18F4480-I/P)
- Doubled memory option in same package (vs PIC18F4580-I/P)
Design Notes
The PIC18F4480-E/P requires a stable 4.2V to 5.5V supply with peak transient current up to 50 mA during Flash programming. Place a 10 uF bulk electrolytic + 100 nF ceramic decoupling network within 10 mm of VDD pins (11, 21, 31). Use a low-ESR regulator such as LM7805 or MCP1700 for the 5V rail. Ensure the regulator handles at least 200 mA to accommodate ADC and ECAN peak transients.
The MCLR pin must be pulled high through a 10 kohm resistor with a 100 nF capacitor to ground for proper reset; floating MCLR causes erratic behavior. Brown-out reset must be enabled in configuration bits (BOREN = enabled). Without BOR, slow-rising supplies can latch the MCU into undefined states. Configure CONFIG1H and CONFIG2L bits via MPLAB X IDE before programming.
Keep the 40 MHz crystal traces under 10 mm in length with the load capacitors placed symmetrically within 5 mm of OSC1/OSC2. Route ECAN lines CANTX (RC2) and CANRX twisted-pair style to the MCP2551 transceiver, maintaining 50 ohm characteristic impedance. Keep analog traces (RA0-RA5) away from digital switching signals and place the ADC VREF bypass capacitor within 2 mm of the dedicated AVSS/AVDD pins if used.
The 40 MHz oscillator is the dominant EMI source; route its traces over a continuous ground plane and surround with a guard ring tied to ground. Place ferrite beads on VDD near the MCU to suppress conducted noise. The ECAN bus requires 120 ohm termination at cable ends and common-mode chokes for industrial installations. Use shielded twisted pair for bus runs exceeding 1 meter.
Compliance Information
RoHS compliant per Microchip product page. Not AEC-Q100 qualified; choose PIC18F-K42 or PIC18F-Q84 automotive variants for AEC-Q100. Halogen-free status not explicitly stated in datasheet - verify with Microchip direct.
