PIC18F2580-E/SP - 8-bit 25MHz 32KB Flash MCU w/ECAN | Microchip
MPN: PIC18F2580-E/SP ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.42 | $8.42 |
| 10 | $7.58 | $75.80 |
| 100 | $6.74 | $674.00 |
| 500 | $5.95 | $2,975.00 |
| 1,000 | $5.31 | $5,310.00 |
PIC18F2580-E/SP Overview
A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (Flash/ROM), data memory (RAM), and a rich set of peripheral interfaces (ADC, timers, communication ports, GPIO). The PIC18F family sits at the mid-range of Microchip's 8-bit portfolio: more capable than baseline PIC10/12/16 parts but architecturally simpler than 16-bit PIC24 or dsPIC devices. PIC18 MCUs combine a RISC Harvard architecture with a wide 16-bit instruction word, giving them C-friendly orthogonality and deterministic interrupt latency. They are widely deployed in automotive body electronics, industrial control nodes, low-cost sensor hubs, and consumer appliances where deterministic 8-bit performance at low power is more important than raw MHz.
The PIC18F2580's key features include 32 KB of self-programmable Flash with internal read-while-write support, 256 bytes of EEPROM, 25 mA source/sink per I/O, and an integrated ECAN controller compliant with CAN 2.0B active specification supporting both standard (11-bit) and extended (29-bit) identifiers. Its nanoWatt Technology power management offers multiple idle and sleep modes with typical currents in the nanoampere range, making the part appropriate for battery-powered or energy-harvesting applications. The on-chip 10-bit ADC delivers up to 8 channels with automatic acquisition, and dual analog comparators add further mixed-signal integration without external components.
Technically, the device uses a 16-bit instruction path with 8-bit data path, supports in-circuit serial programming (ICSP) via two pins, and exposes an Enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART) plus a Master SSP supporting SPI and I2C. Five CCP/ECCP modules provide PWM and capture/compare functions for motor and power-control loops. Together these blocks give the PIC18F2580 an unusually complete peripheral set inside an 8-bit MCU.
Typical applications include CAN node endpoints for automotive body and chassis modules, industrial sensor interfacing with ECAN backbones, low-cost motor control subsystems, HVAC controller boards, and general-purpose embedded control where deterministic 8-bit performance is preferred. The wide 2.0 V to 5.5 V operating voltage range and industrial -40C to +125C temperature rating make it suitable for harsh environment deployments.
When designing with this device, ensure the ICSP clock and data lines are reserved (typically RB6/RB7) and that the ECAN transceiver supply is properly decoupled near the TX/RX pins. The ECAN module requires explicit configuration of acceptance filters and bit-timing registers before bus communication; reference Microchip AN730 or the device family datasheet for correct oscillator selection.
This page synthesizes distributor stock and pricing data, drop-in same-package alternatives, and practical design considerations not gathered on any single distributor product page.
Drop-in alternatives for PIC18F2580-E/SP — 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 PIC18F2580-E/SP (same form factor and footprint) — differing in Operating Temperature, ADC, Package, Program Memory (Flash), Core.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC18F2580-I/SP
✅ Drop-In✓ In Stock
$4.55 / Unit
View Datasheet →PIC18F2480-E/SP
✅ Drop-In✓ In Stock
$4.65 / Unit
View Datasheet →PIC18F252-E/SP
✅ Drop-In✓ In Stock
$6.5 / Unit
View Datasheet →PIC18F2580-E/SP Maximum Ratings & Electrical Characteristics
| Product Type | 8-bit Microcontroller (MCU) |
| Core Architecture | PIC18 (Harvard, 16-bit instruction / 8-bit data) |
| Family | PIC18F Enhanced Flash with ECAN |
| Program Memory (Flash) | 32 KB (16K x 16) |
| Data RAM | 1536 bytes |
| Data EEPROM | 256 bytes |
| Maximum CPU Speed | 25 MHz (10 MIPS) |
| Operating Voltage Range | 2.0 V to 5.5 V |
| Operating Temperature Range | -40C to +125C (industrial, 'E' suffix) |
| I/O Pins | 25 |
| ADC | 10-bit, up to 8 channels |
| ECAN Module | CAN 2.0B active, 11-bit and 29-bit ID |
| Timers | 1 x 8-bit, 3 x 16-bit |
| CCP/ECCP Modules | 5 |
| Communication Peripherals | 1 x EUSART, 1 x MSSP (SPI/I2C), 1 x ECAN |
| Analog Comparators | 2 |
| Package | 28-pin SPDIP (SP) |
| Mounting Type | Through-Hole |
| ICSP Programming | Yes (RB6/RB7) |
| RoHS Status | Compliant |
| MSL Level | 1 (not moisture-sensitive, through-hole) |
PIC18F2580-E/SP Pin Configuration
| Pin 1 | MCLR/VPP/RE3 — Master Clear (Reset) input / Programming voltage |
| Pin 2 | RA0/AN0 — Digital I/O / Analog input channel 0 |
| Pin 3 | RA1/AN1 — Digital I/O / Analog input channel 1 |
| Pin 4 | RA2/AN2/VREF- — Digital I/O / Analog input channel 2 / ADC VREF- |
| Pin 5 | RA3/AN3/VREF+ — Digital I/O / Analog input channel 3 / ADC VREF+ |
| Pin 6 | RA4/T0CKI/C1OUT — Digital I/O / Timer0 clock input / Comparator 1 output |
| Pin 7 | RA5/AN4/SS/HLVDIN/C2OUT — Digital I/O / Analog input 4 / SSP Slave Select / HLVD input / Comparator 2 output |
| Pin 8 | VSS — Ground reference |
| Pin 9 | OSC1/CLKI/RA7 — Oscillator crystal input / External clock input / Digital I/O |
| Pin 10 | OSC2/CLKO/RA6 — Oscillator crystal output / Clock output / Digital I/O |
| Pin 11 | RC0/T1OSO/T13CKI — Digital I/O / Timer1 oscillator output / Timer1/Timer3 clock input |
| Pin 12 | RC1/T1OSI/CCP2 — Digital I/O / Timer1 oscillator input / CCP2 I/O |
| Pin 13 | RC2/CCP1 — Digital I/O / CCP1 I/O |
| Pin 14 | RC3/SCK/SCL — Digital I/O / SPI clock / I2C clock |
| Pin 15 | RC4/SDI/SDA — Digital I/O / SPI data in / I2C data |
| Pin 16 | RC5/SDO — Digital I/O / SPI data out |
| Pin 17 | RC6/TX/CK — Digital I/O / EUSART TX / EUSART clock |
| Pin 18 | RC7/RX/DT — Digital I/O / EUSART RX / EUSART data |
| Pin 19 | VSS — Ground reference |
| Pin 20 | VDD — Positive power supply |
| Pin 21 | RB0/INT0/FLT0 — Digital I/O / External interrupt 0 / PWM fault input |
| Pin 22 | RB1/INT1 — Digital I/O / External interrupt 1 |
| Pin 23 | RB2/INT2/CANTX — Digital I/O / External interrupt 2 / ECAN TX |
| Pin 24 | RB3/INT3/CANRX — Digital I/O / External interrupt 3 / ECAN RX |
| Pin 25 | RB4 — Digital I/O (interrupt-on-change) |
| Pin 26 | RB5 — Digital I/O (interrupt-on-change) |
| Pin 27 | RB6/PGCD — Digital I/O / In-Circuit Debugger data / ICSP data |
| Pin 28 | RB7/PGCC — Digital I/O / In-Circuit Debugger clock / ICSP clock |
Typical Applications
PIC18F2580-E/SP is suitable for 6 applications: Automotive CAN Bus Body Electronics, Industrial Sensor Hub with ECAN Backbone, HVAC and Building Automation Controllers, Low-Cost Motor Control Subsystems, General-Purpose 8-bit Embedded Control, Educational and Prototyping Platforms.
Automotive CAN Bus Body Electronics
The PIC18F2580-E/SP is purpose-built for CAN bus nodes in automotive body and chassis electronics such as door modules, seat controllers, mirror adjusters, and HVAC control panels. Its integrated ECAN 2.0B controller supports standard and extended identifiers at up to 1 Mbps, eliminating the need for an external CAN coprocessor and reducing BOM cost. The -40C to +125C industrial temperature grade handles under-hood thermal stress, while the wide 2.0 V to 5.5 V supply tolerates 12 V automotive battery transients when paired with simple LDO regulation. Typical circuit: PIC18F2580 connects via CANTX/CANRX to an MCP2551 CAN transceiver, then to the bus, with firmware implementing J1939 or CANopen stacks.
Recommended
Industrial Sensor Hub with ECAN Backbone
In factory automation and process-control networks, the PIC18F2580-E/SP acts as a low-cost sensor hub aggregating analog and digital inputs over an ECAN backbone. The integrated 10-bit ADC with up to 8 channels digitizes thermocouple, pressure, and flow signals without an external ADC, while the EUSART and MSSP handle RS-485 and I2C side-channels. NanoWatt Technology sleep currents under 100 nA make it suitable for battery or energy-harvesting sensor nodes that spend most of the time in sleep and wake periodically to transmit. Engineers can leverage the same Microchip MPLAB X toolchain and XC8 compiler used for higher-end PIC18 designs.
Recommended
HVAC and Building Automation Controllers
The PIC18F2580-E/SP is well-suited for HVAC zone controllers, damper actuators, and VAV box controllers in commercial building automation. Its 25 MHz core handles BACnet MS/TP or proprietary HVAC protocols over RS-485 via the EUSART, while the ECAN module supports newer CAN-based building automation backbones such as BACnet/IP over CAN or vendor-specific BMS protocols. Five CCP/ECCP modules drive triac-control PWM outputs for fan speed and damper motor control directly, and the 10-bit ADC reads multiple thermistor inputs for zone temperature averaging. The 28-pin SPDIP package is ideal for through-hole assembly of contractor-friendly service boards.
Recommended
Low-Cost Motor Control Subsystems
Brush-DC and stepper motor control subsystems benefit from the PIC18F2580-E/SP's five CCP/ECCP modules providing up to three pairs of complementary PWM outputs with programmable dead-band and fault inputs. The 25 MIPS core runs field-oriented control (FOC) loops for low-speed PMSM motors or simple PID loops for DC motors in appliance applications such as small pumps and fans. Hall-sensor or back-EMF inputs feed the 10-bit ADC while PWM outputs drive a discrete half-bridge or pre-driver like the MCP14E3. NanoWatt sleep modes minimize standby draw in battery-powered tools.
Recommended
General-Purpose 8-bit Embedded Control
Beyond CAN networks, the PIC18F2580-E/SP serves as a versatile general-purpose 8-bit MCU for embedded control applications such as appliance controllers, vending machine interfaces, security keypads, and consumer peripherals. Its balanced 32 KB Flash / 1536 B RAM / 256 B EEPROM memory profile accommodates modest UI state machines and protocol stacks without forcing a jump to 16-bit PIC24 territory. ICSP via RB6/RB7 enables in-circuit firmware updates during prototyping and field service, while the wide 2.0-5.5 V supply accommodates USB, 3.3 V, and 5 V rails without external level translation.
Recommended
Educational and Prototyping Platforms
The PIC18F2580-E/SP's 28-pin SPDIP through-hole package and Microchip MPLAB X ecosystem make it a staple for university embedded systems courses, hobbyist projects, and breadboard-based prototypes. Its manageable instruction set, free XC8 compiler, and abundant example code on Microchip's site lower the learning curve for first-time PIC users. The ECAN module provides a hands-on introduction to automotive networking, while the integrated ADC, PWM, and timers cover all the standard microcontroller curriculum topics. Through-hole SPDIP is also socket-compatible with many legacy development boards and trainer kits.
Recommended
Recommended Products Summary
Engineering reference data for PIC18F2580-E/SP — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC18F2580-I/SP | PIC18F2480-E/SP | PIC18F252-E/SP |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | SPDIP-28 (through-hole) | SPDIP-28 (same) | SPDIP-28 (same) | SPDIP-28 (same) |
| Program Memory (Flash) | 32 KB | 32 KB | 16 KB (-50%) | 32 KB |
| Data RAM | 1536 B | 1536 B | 768 B (-50%) | 1536 B |
| ECAN Module | Yes (CAN 2.0B) | Yes (CAN 2.0B) | Yes (CAN 2.0B) | No (replaced by AUSART/SPI) |
| CPU Speed | 25 MHz (10 MIPS) | 25 MHz | 25 MHz | 40 MHz (faster) |
| Operating Temperature | -40C to +125C | -40C to +85C | -40C to +125C | -40C to +125C |
| Operating Voltage | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V |
Key Differentiators
- Higher Flash density than 2480 family member (vs PIC18F2480-E/SP)
- Industrial -40C to +125C grade vs commercial -40C to +85C (vs PIC18F2580-I/SP)
- Integrated ECAN controller vs no CAN on PIC18F252 (vs PIC18F252-E/SP)
Design Notes
Estimated: the PIC18F2580-E/SP draws approximately 16 mA at 25 MHz from a 5 V supply and under 100 nA in sleep mode with nanoWatt Technology. Decouple VDD with a 100 nF ceramic capacitor placed within 5 mm of the VDD pin, plus a bulk 10 uF tantalum or aluminum capacitor at the board supply input. For CAN nodes, also decouple the MCP2551 transceiver VCC locally. Use the brown-out reset (BOR) and low-voltage detect (LVD) features to protect against supply droops.
Do not confuse the 28-pin SPDIP PIC18F2580 with the 40-pin PIC18F4580; the 40-pin variant adds more I/O but uses a different package. Ensure ICSP pins RB6 (PGD) and RB7 (PGC) are not permanently pulled low by external circuitry during programming, or use isolation resistors. The ECAN module must have its acceptance filters and bit-timing registers properly configured before bus traffic begins; reference Microchip AN730 for correct oscillator and baud-rate selection.
For the SPDIP-28 through-hole package, place the part with at least 0.5 inch of clearance around the IC for hand-soldering and rework. Keep the ECAN differential pair (CANTX/CANRX to MCP2551) routed as a short matched-length pair with 100 ohm differential impedance if traces exceed 25 mm, and place the transceiver within 50 mm of the bus connector. Provide a separate analog ground island for the AVSS pin if the design uses the ADC with high-impedance sensors.
Compliance Information
RoHS and lead-free compliant per Microchip product page. Not AEC-Q100 qualified - the 'E' suffix denotes industrial temperature grade (-40C to +125C), not automotive qualification; for AEC-Q100 designs reference the PIC18F2580 automotive roadmap separately.
