PIC18F2510-E/SP - 8-bit PIC MCU 32KB Flash, 25I/O | Microchip
MPN: PIC18F2510-E/SP ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.92 | $7.92 |
| 10 | $7.13 | $71.30 |
| 100 | $6.05 | $605.00 |
| 500 | $5.42 | $2,710.00 |
| 1,000 | $4.85 | $4,850.00 |
PIC18F2510-E/SP Overview
A PIC18F microcontroller is a member of Microchip's 8-bit RISC architecture family, optimized for deterministic control with a single-cycle 8x8 hardware multiplier, separate instruction and data buses (Harvard architecture), and the industry-standard MIPS instruction set. Microcontrollers (MCUs) integrate CPU, RAM, non-volatile program memory, peripherals, and I/O onto a single silicon die; the PIC18F line sits in the upper-tier of Microchip's 8-bit portfolio, replacing baseline PIC16F parts when applications need more code space, enhanced peripherals, or PWM/ECCP modules.
Key features include on-chip nanoWatt power management (Idle mode ~5.8 uA, Sleep mode ~0.1 uA typical), Fail-Safe Clock Monitor for safe shutdown on oscillator failure, a separate-oscillator Watchdog Timer, and support for both internal RC (31 kHz to 8 MHz) and external crystal oscillator sources. The Enhanced CCP module supports PWM and half-bridge/full-bridge drive, while two USART modules and one MSSP (SPI/I2C) handle serial communication. In-System Programming via two pins enables field firmware updates without removing the device from the board.
Typical applications include industrial control subsystems, automotive body and HVAC controllers, white-goods motor control, sensor-interface front ends, USB-less consumer devices, and educational embedded platforms. The 28-pin SPDIP package also suits breadboard prototyping and through-hole manufacturing flows where socketed replacement or rework is desired.
When designing with this part, budget for ICD/microchip-stub debugger header access and place Vcap/Vddcore decoupling as close to the device as possible. The extended-temperature '-E' grade commands the same firmware as the standard-grade '-I' parts but adds thermal headroom; verify the rest of the BOM is rated to -40C to +125C when using -E in field installations.
This page synthesizes distributor pricing, drop-in package-compatible alternatives, and practical design notes that complement the Microchip datasheet with information-gain context useful at the engineering workbench.
Drop-in alternatives for PIC18F2510-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 PIC18F2510-E/SP (same form factor and footprint) — differing in Package, Program Memory (Flash), ADC, Operating Temperature, Timers.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC18F2510-I/SP
✅ Drop-In✓ In Stock
$3.85 / Unit
View Datasheet →PIC18F2410-E/SP
✅ Drop-In✓ In Stock
$2.34 / Unit
View Datasheet →PIC18F2420-E/SP
✅ Drop-In✓ In Stock
$5.1 / Unit
View Datasheet →PIC18F2515-E/SP
✅ Drop-In✓ In Stock
$4.2 / Unit
View Datasheet →PIC18F2520-E/SP
✅ Drop-In✓ In Stock
$5.1 / Unit
View Datasheet →PIC18F2480-E/SP
✅ Drop-In✓ In Stock
$4.65 / Unit
View Datasheet →PIC18F23K22-E/SP
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.87 / Unit
View Datasheet →PIC18F2510-E/SP Maximum Ratings & Electrical Characteristics
| Core Architecture | 8-bit RISC (PIC18) |
| Program Memory (Flash) | 32 KB (16K x 16) |
| RAM | 1536 bytes |
| Maximum CPU Speed | 40 MHz (up to 10 MIPS) |
| I/O Pins | 25 |
| Supply Voltage (Vdd) | 2.0 V to 5.5 V (4.2 V to 5.5 V per datasheet spec row) |
| Operating Temperature | -40C to +125C (Extended grade) |
| A/D Converter | 10-bit, up to 10 channels |
| Timers | 4 (Timer0/1/2/3) |
| PWM Modules | 1 ECCP + 2 CCP |
| Communication | 1x EUSART (TX/RX), 1x MSSP (SPI/I2C) |
| Package | 28-pin SPDIP (Skinny Plastic DIP, 0.300 inch) |
| Pin Count | 28 |
| Internal Oscillator | 31 kHz to 8 MHz |
| Watchdog Timer | Yes (separate RC oscillator) |
| In-Circuit Debug | ICD2/ICD3 supported |
| RoHS Status | Compliant (depends on date code) |
PIC18F2510-E/SP Pin Configuration
| Pin 1 | MCLR/Vpp/RE3 — Master Clear (Reset) input / Programming voltage / PORTE bit 3 |
| Pin 2 | RA0/AN0 — PORTA bit 0 / Analog input 0 |
| Pin 3 | RA1/AN1 — PORTA bit 1 / Analog input 1 |
| Pin 4 | RA2/AN2/Vref- — PORTA bit 2 / Analog input 2 / ADC negative reference |
| Pin 5 | RA3/AN3/Vref+ — PORTA bit 3 / Analog input 3 / ADC positive reference |
| Pin 6 | RA4/T0CKI — PORTA bit 4 / Timer0 clock input (open-drain) |
| Pin 7 | RA5/AN4/SS — PORTA bit 5 / Analog input 4 / SPI Slave Select |
| Pin 8 | Vss — Ground reference |
| Pin 9 | RA7/OSC1/CLKIN — PORTA bit 7 / Oscillator input |
| Pin 10 | RA6/OSC2/CLKOUT — PORTA bit 6 / Oscillator output |
| Pin 11 | RC0/T1OSO/T1CKI — PORTC bit 0 / Timer1 oscillator output or clock input |
| Pin 12 | RC1/T1OSI/CCP2 — PORTC bit 1 / Timer1 oscillator input / CCP2 |
| Pin 13 | RC2/CCP1/P1A — PORTC bit 2 / CCP1 output / PWM P1A |
| Pin 14 | RC3/SCK/SCL — PORTC bit 3 / MSSP SPI clock / I2C clock |
| Pin 15 | RC4/SDI/SDA — PORTC bit 4 / MSSP SPI data in / I2C data |
| Pin 16 | RC5/SDO — PORTC bit 5 / MSSP SPI data out |
| Pin 17 | RC6/TX/CK — PORTC bit 6 / EUSART TX / I2C clock (alternate) |
| Pin 18 | RC7/RX/DT — PORTC bit 7 / EUSART RX / I2C data (alternate) |
| Pin 19 | Vss — Ground reference |
| Pin 20 | VDD — Positive supply voltage |
| Pin 21 | RB0/INT0/AN12 — PORTB bit 0 / External interrupt 0 / Analog input 12 |
| Pin 22 | RB1/INT1/AN10 — PORTB bit 1 / External interrupt 1 / Analog input 10 |
| Pin 23 | RB2/INT2/AN8 — PORTB bit 2 / External interrupt 2 / Analog input 8 |
| Pin 24 | RB3/INT3/AN9/CCP2 — PORTB bit 3 / External interrupt 3 / Analog input 9 / CCP2 |
| Pin 25 | RB4/AN11 — PORTB bit 4 / Analog input 11 |
| Pin 26 | RB5/AN7 — PORTB bit 5 / Analog input 7 |
| Pin 27 | RB6/PGC — PORTB bit 6 / ICSP clock (ICD clock) |
| Pin 28 | RB7/PGD — PORTB bit 7 / ICSP data (ICD data) |
Typical Applications
PIC18F2510-E/SP is suitable for 6 applications: Industrial Sensor Interface and Control Node, Automotive Body and HVAC Subsystem Controller, White Goods and Home Appliance Motor Control, Educational Embedded Systems and Trainer Boards, Battery-Powered Remote Sensor Front End, General-Purpose Through-Hole MCU Replacement of Legacy Designs.
Industrial Sensor Interface and Control Node
The PIC18F2510-E/SP suits industrial sensor-interface nodes due to its 10-bit ADC with up to 10 analog inputs and 25 digital I/O channels, allowing direct connection of analog sensors (temperature, pressure, flow) plus discrete control outputs in a single chip. The 32 KB Flash and 1536-byte RAM accommodate scaled-down modbus-style protocol stacks and digital-filtering routines, while the Extended -40C to +125C temperature grade tolerates panel-mount enclosures near motor drives or heating equipment. Estimated typical loop time: the 10 MIPS throughput executes PID loop calculations in well under 100 us, suitable for thermostatic loops and slow process control at sample rates up to 1 kHz.
Recommended
Automotive Body and HVAC Subsystem Controller
The Extended temperature grade of the PIC18F2510-E/SP (-40C to +125C) targets automotive body controllers, HVAC blend-door actuators, and lighting subsystems where AEC-Q100-style thermal stress is expected but full AEC qualification is not. Its ECCP module supports brushed-DC motor PWM and half-bridge drive commonly used in HVAC flap motors, and the 10-bit ADC reads thermistor sensors and potentiometer position feedback with adequate resolution for closed-loop temperature regulation. To meet automotive EMI/ESD, place the PCB supply rail behind an external TVS diode and bulk capacitor; the PIC18F2510's internal brown-out reset handles cranking-voltage transient drops.
Recommended
White Goods and Home Appliance Motor Control
Washing-machine drain pumps, dishwasher circulation pumps, and refrigerator damper motors benefit from the PIC18F2510-E/SP's ECCP half-bridge/full-bridge PWM with programmable dead-band delay, which simplifies direct half-H-bridge drive of brushed DC motors up to tens of watts. The 25 I/O handle user-panel inputs, LED status indication, and tachometer feedback from Hall sensors. The nanoWatt Sleep mode (down to 0.1 uA typical) is a meaningful advantage in standby-power-constrained appliances targeting ENERGY STAR or EU Ecodesign standby budgets, letting the MCU wake only on push-button interrupts.
Recommended
Educational Embedded Systems and Trainer Boards
The PIC18F2510-E/SP's 28-pin SPDIP through-hole package remains a teaching-favorite because it accepts a standard 28-pin IC socket, allowing students to insert and remove chips without specialized surface-mount rework tools. The 32 KB Flash is large enough for full curriculum projects (RTOS-lite schedulers, I2C/SPI peripheral libraries, USB-less CDC stacks) while leaving headroom for instructor-modified demos. Compatibility with MPLAB XC8, PICkit 3/4, and the legacy PICKit2 driver keeps teaching labs tied to standard Microchip debug flows.
Recommended
Battery-Powered Remote Sensor Front End
The PIC18F2510-E/SP combined with nanoWatt power management suits remote battery-powered sensor nodes that wake up periodically for short measurement bursts. Sleep current down to 0.1 uA typical allows years of standby life on coin cells when the firmware parks the ADC and disables unused peripherals between wake events. The internal 31 kHz to 8 MHz oscillator can replace an external 32 kHz crystal in cost-sensitive designs, although crystal-precise timing should still be used if UART baud accuracy matters. Estimated: a 5-second sleep + 100-ms active cycle averages roughly 15 uA, supporting multi-year operation on 2x AA cells.
Recommended
General-Purpose Through-Hole MCU Replacement of Legacy Designs
Designers maintaining or refreshing legacy through-hole PCB assemblies (existing 28-pin SPDIP footprints, hand-rework-friendly sockets) can place the PIC18F2510-E/SP without re-spinning the artwork. The PIC18F25xx instruction-set compatibility ensures existing PIC18F assembler source ports with recompilation, while peripherals and pin multiplexing follow the established PIC18F2510 datasheet rather than introducing new toolchain migration. Combined with the Extended temperature grade, this drop-in path is well suited to industrial spare-parts and aftermarket field replacements.
Recommended
Recommended Products Summary
Engineering reference data for PIC18F2510-E/SP — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC18F2510-I/SP | PIC18F2410-E/SP | PIC18F2515-E/SP | PIC18F23K22-E/SP |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | SPDIP-28 | SPDIP-28 (same) | SPDIP-28 (same) | SPDIP-28 (same) | SPDIP-28 (same) |
| Program Memory (Flash) | 32 KB | 32 KB (same) | 16 KB (-50%) | 48 KB (+50%) | 8 KB (-75%) |
| CPU Frequency | 40 MHz (10 MIPS) | 40 MHz (same) | 40 MHz (same) | 40 MHz (same) | 64 MHz (+60%) |
| RAM | 1536 bytes | 1536 bytes (same) | 768 bytes (-50%) | 1536 bytes (same) | 512 bytes (-67%) |
| Temperature Grade | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +125C (Extended, same) | -40C to +125C (Extended, same) | -40C to +125C (Extended, same) |
| ADC | 10-bit, 10 channels | 10-bit, 10 channels (same) | 10-bit, 10 channels (same) | 10-bit, 10 channels (same) | 10-bit, 19 channels |
| Communication Peripherals | 1x EUSART + 1x MSSP (SPI/I2C) | Same | Same | Same | 2x EUSART + 2x MSSP |
| USB/CAN | None | None (same) | None | None | None |
Key Differentiators
- Extended industrial temperature grade in standard 28-pin SPDIP (vs PIC18F2510-I/SP)
- Larger Flash memory within the same PIC18F25xx die family (vs PIC18F2410-E/SP)
- Better fit for high-temperature automotive body controllers than K-series (vs PIC18F23K22-E/SP)
Design Notes
Estimated power budget at full 40 MHz operation: IDD ~15 mA typical + I/O + peripheral current = ~30-50 mA total. Place a 100 nF ceramic decoupling capacitor as close as physically possible to each VDD pin (pin 20 SPDIP) with a 10 uF bulk electrolytic at the board entry. Use the internal brown-out reset (BOR) module to handle crank transients in automotive supplies; program BOR voltage below the minimum 4.2V spec'd rail for fail-safe reset below regulation. Sleep mode current of 0.1 uA typical assumes all peripherals disabled - clear TRISB and TRISC, switch ADC off, and disable the WDT in firmware when in sleep.
Keep the ICSP clock/data traces (RB6/RB7, pins 27/28) short and unburdened by capacitive loading so the PICkit 3/4 debugger can drive them. Place a 100-ohm series resistor in the PGC/PGD lines close to the MCU as Microchip recommends; this provides impedance matching for debugger isolation. Estimated: each trace should be < 50 mm to maintain reliable programming with a 4.7 kohm pull-up on MCLR tied to VDD via a diode-resistor reset network.
Pins 19 and 20 are dual-functioned as Vss and VDD on the 28-pin SPDIP. Do not use them as I/O - the PIC18F2510 datasheet specifically lists them as power pins only. Confusing these with general-purpose I/O is a frequent new-engineer error on legacy 18F designs. Also remember that CONFIG bits are read at reset and not re-evaluated until next reset; an ICSP-driven configuration change needs a power-cycle or MCLR toggle to take effect.
For ADC accuracy, route analog inputs (RA0-RA5, RB0-RB3, RB4-RB5 - the AN0-AN12 channels) away from switching digital signals. Estimated: at least 5 mm separation reduces digital-noise coupling into the 10-bit ADC sample. Place the Vref+ bypass capacitor (<= 10 nF) directly at the Vref+/AN3 pin. Ground the AGND/Vss star-point at the regulator, not at a digital ground return.
Compliance Information
RoHS and lead-free compliance per Microchip product documentation; AEC-Q100 not qualified (this is a commercial/industrial grade part - automotive with formal qualification requires PIC18F-K22 or PIC18F-Q10 families). Halogen-free status not explicitly stated in the data sources provided.
