PIC18F2510-I/SO - 8-Bit MCU 32KB Flash 40MHz 28-SOIC | Microchip
MPN: PIC18F2510-I/SO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.55 | $4.55 |
| 10 | $4.1 | $41.00 |
| 100 | $3.65 | $365.00 |
| 500 | $3.25 | $1,625.00 |
| 1,000 | $2.9 | $2,900.00 |
PIC18F2510-I/SO Overview
An 8-bit PIC microcontroller (MCU) is a compact, Harvard-architecture RISC processor optimized for embedded control applications. PIC18F-series devices sit in Microchip's enhanced mid-range tier, providing hardware multiply, a 31 kHz-8 MHz internal oscillator, watchdog timer, and nanoWatt power management. Within the broader taxonomy, an MCU belongs to microcontrollers -> integrated circuits -> semiconductors, and the PIC18F family is widely used in industrial, automotive aftermarket, and consumer products where deterministic real-time performance matters.
Key features include 10 MIPS C-optimized RISC CPU, 32KB self-programmable Flash, 256 bytes of EEPROM data storage, an enhanced CCP module, multiple PWM outputs, and a 10-bit ADC with up to 10 channels (package-dependent). The nanoWatt family supports Run, Idle, and Sleep modes with sleep current as low as 0.1 uA typical, enabling battery-powered and energy-harvesting designs.
The architecture combines an 8x8 single-cycle hardware multiplier with a 32-level hardware stack, accelerating arithmetic for sensor calibration, motor control loops, and digital filter math. Fail-Safe Clock Monitor and Watchdog Timer with separate RC oscillator provide robust operation in electrically noisy environments such as motor drives and appliance controls.
Typical applications include motor control (BLDC, stepper, sensored/sensorless), industrial sensor interfacing, USB-less human-interface control panels, and small-form embedded controllers in white goods. The 28-SOIC footprint and 4.2V-5.5V (industrial) or 2.0V-5.5V (F-series extended) supply range suit both 3.3V and 5V designs. When designing with this MCU, always reserve VDD/VSS decoupling within 5 mm of the pins and ensure ICSP programming pins (PGC/PGD) are accessible for in-circuit firmware updates.
Drop-in alternatives for PIC18F2510-I/SO — 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-I/SO (same form factor and footprint) — differing in MSL Level, Package, Program Memory (Flash), ADC, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC18F2515-I/SO
✅ Drop-In✓ In Stock
$4.32 / Unit
View Datasheet →PIC18F2610-I/SO
✅ Drop-In📋 Reference alternative (not in catalog)
PIC18F2510T-I/SO
✅ Drop-In✓ In Stock
$3.5 / Unit
View Datasheet →PIC18LF2510-I/SO
✅ Drop-In📋 Reference alternative (not in catalog)
PIC18F25K22-I/SO
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC18F2510-I/SO Maximum Ratings & Electrical Characteristics
| Series | PIC18F2X1X/4X1X |
| Core Processor | PIC |
| Core Size | 8-Bit |
| CPU Speed (MIPS) | 10 MIPS |
| Maximum Clock Frequency | 40 MHz |
| Program Memory (Flash) | 32 KB (16K x 16) |
| RAM | 1.5 KB (1536 bytes) |
| EEPROM | 256 bytes |
| I/O Pins | 25 |
| Supply Voltage (Operating) | 2.0 V to 5.5 V |
| ADC | 10-bit, up to 9 channels (28-pin) |
| Package | 28-SOIC (wide, 0.300 inch / 7.5 mm body) |
| Operating Temperature | -40C to +85C (industrial, 'I' suffix) |
| Mounting Type | Surface Mount |
| MSL Level | 1 (unlimited floor life at <30C/85% RH) |
| RoHS Status | Compliant |
| Lead-Free | Yes |
PIC18F2510-I/SO Pin Configuration
| Pin 1 | MCLR/RE3 — Master Clear (reset) input or digital I/O RE3 |
| Pin 2 | RA0/AN0 — Port A bit 0 / analog input 0 |
| Pin 3 | RA1/AN1 — Port A bit 1 / analog input 1 |
| Pin 4 | RA2/AN2/VREF- — Port A bit 2 / analog input 2 / A/D reference voltage (-) |
| Pin 5 | RA3/AN3/VREF+ — Port A bit 3 / analog input 3 / A/D reference voltage (+) |
| Pin 6 | RA4/T0CKI/C1OUT — Port A bit 4 / Timer0 clock input / Comparator 1 output |
| Pin 7 | RA5/AN4/SS/HLVDIN/C2OUT — Port A bit 5 / analog input 4 / SPI SS / HLVD input / Comparator 2 output |
| Pin 8 | VSS — Ground reference for logic and I/O pins |
| Pin 9 | OSC1/CLKI/RA7 — Crystal oscillator input / external clock input / Port A bit 7 |
| Pin 10 | OSC2/CLKO/RA6 — Crystal oscillator output / clock output / Port A bit 6 |
| Pin 11 | RC0/T1OSO/T1CKI — Port C bit 0 / Timer1 oscillator output / Timer1 clock input |
| Pin 12 | RC1/T1OSI/CCP2 — Port C bit 1 / Timer1 oscillator input / CCP2 input/output |
| Pin 13 | RC2/CCP1 — Port C bit 2 / Enhanced CCP1 input/output |
| Pin 14 | RC3/SCK/SCL — Port C bit 3 / SPI clock / I2C clock |
| Pin 15 | RC4/SDI/SDA — Port C bit 4 / SPI data in / I2C data |
| Pin 16 | RC5/SDO — Port C bit 5 / SPI data out |
| Pin 17 | RC6/TX/CK — Port C bit 6 / USART asynchronous transmit / clock |
| Pin 18 | RC7/RX/DT — Port C bit 7 / USART asynchronous receive / data |
| Pin 19 | VSS2 — Secondary ground reference (logic) |
| Pin 20 | VDD — Positive supply voltage (2.0 V - 5.5 V) |
| Pin 21 | RB0/INT0/FLT0 — Port B bit 0 / external interrupt 0 / PWM fault input |
| Pin 22 | RB1/INT1 — Port B bit 1 / external interrupt 1 |
| Pin 23 | RB2/INT2/CTS — Port B bit 2 / external interrupt 2 / EUSART clear-to-send |
| Pin 24 | RB3/CCP2 — Port B bit 3 / CCP2 input/output |
| Pin 25 | RB4 — Port B bit 4 / interrupt-on-change |
| Pin 26 | RB5/PGM — Port B bit 5 / interrupt-on-change / ICSP programming data |
| Pin 27 | RB6/PGC — Port B bit 6 / interrupt-on-change / ICSP clock |
| Pin 28 | RB7/PGD — Port B bit 7 / interrupt-on-change / ICSP data |
Typical Applications
PIC18F2510-I/SO is suitable for 6 applications: Sensor Interface Module, Small BLDC / Stepper Motor Controller, Appliance Control Board, Industrial Data Logger, USB-less HID Consumer Device, Lighting Control Fixture.
Sensor Interface Module
PIC18F2510-I/SO suits sensor-interface front ends where its 10-bit ADC (up to 9 channels on the 28-SOIC) and 25 digital I/O simplify multi-signal acquisition. The 10 MIPS throughput is enough to run linearization, calibration, and averaging loops at sample rates up to several kHz. Internal oscillator (31 kHz to 8 MHz) removes the need for an external crystal on noise-tolerant nodes, while 1536 bytes of RAM buffers 8-10 ms of dual-channel 200 Hz data. Coupled with 256-byte EEPROM for in-field calibration storage, this part shrinks a typical 4-20 mA or 0-10 V analog conditioner onto a single MCU. In a 5 V industrial loop, the part draws only 6 mA at full MIPS while idle current drops to 5.8 uA - extending node lifetime in line-powered loops.
Recommended
Small BLDC / Stepper Motor Controller
PIC18F2510-I/SO controls small brushless DC and stepper motors where the enhanced CCP/ECCP module produces the necessary PWM signals for commutatorless sequencing. With 10 MIPS, the firmware can drive a sensorless BEMF zero-crossing loop at 30 kHz while leaving headroom for UART diagnostics. The 32 KB Flash is sufficient for trapezoidal or basic FOC state machines, and the 25 I/O pins are sufficient for 3-phase gate drivers, hall sensors, and a quadrature encoder. The industrial -40C to +85C temperature grade supports motor enclosures, while Fail-Safe Clock Monitor and Watchdog Timer with separate RC oscillator enable recovery from brown-outs and stall events on noisy power supplies.
Recommended
Appliance Control Board
PIC18F2510-I/SO is the core controller in white-goods and small appliance boards - washing-machine user interfaces, microwave keypads, induction-cooktop user-interface modules, and HVAC zone controllers. The 28-SOIC wide-body footprint is widely accepted in 5 V and 3.3 V appliance boards and tolerates wave-soldering during low-cost manufacturing. 25 digital I/O drive LEDs, key-scan matrices, relays, triac optos, and PWM-controlled buzzers without external glue logic. The 10-bit ADC reads thermistor, mains-frequency zero-cross, and humidity sensor channels, while nanoWatt Idle (5.8 uA typical) and Sleep (0.1 uA typical) modes minimize standby power for appliances required to meet strict energy-star limits.
Recommended
Industrial Data Logger
PIC18F2510-I/SO builds a compact industrial data-logging node thanks to its 32 KB Flash log buffer, 1.5 KB RAM index table, and 256-byte EEPROM for non-volatile configuration records. Its 10-bit ADC samples up to 9 sensor channels with the internal 31 kHz-8 MHz oscillator or an external 32.768 kHz RTC crystal. The on-board USART module supports RS-485 communication through external transceivers at up to 115,200 baud. Industrial temperature grade -40C to +85C, plus Fail-Safe Clock Monitor and Watchdog Timer with separate RC oscillator, makes it resilient in factory environments with electrical noise and wide temperature swings. Sleep current down to 0.1 uA typical supports battery or energy-harvesting loggers.
Recommended
USB-less HID Consumer Device
PIC18F2510-I/SO runs HID-over-PS/2 / serial-jTAG human-interface devices such as industrial keypads, scanner trigger boards, and POS terminal user interfaces. The 25 I/O drive key matrices (5x5), piezo-buzzer PWMs, and LED bars; the 32 KB Flash holds USB-to-PS/2 bridging code or legacy serial terminal behavior. Because it lacks the integrated USB peripheral of PIC18F2455/2550/4455/4550, designers use external FTDI bridges for USB, allowing this MCU to drive legacy serial HID, RS-232, or PS/2 interfaces. Low-cost 28-SOIC footprint and 2.0 V-5.5 V supply simplify integration with both 3.3 V and 5 V bus peripherals.
Recommended
Lighting Control Fixture
PIC18F2510-I/SO addresses DMX-512, DALI, or 0-10 V lighting control fixtures where deterministic 8-bit performance and 25 I/O drive LED chains, optoisolators, and triac interfaces. The enhanced CCP module provides up to 16-bit PWM resolution for smooth dimming curves. Industrial -40C to +85C operation handles driver-heat and cold-storage contexts. nanoWatt Idle (5.8 uA typical) and Sleep (0.1 uA typical) keep standby consumption inside commercial-building energy budgets. Migration to PIC18F25K22 is straightforward where future designs want 14-bit ADC or Configurable Logic Cells, since both are in 28-SOIC outline.
Recommended
Recommended Products Summary
Engineering reference data for PIC18F2510-I/SO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC18F2515-I/SO | PIC18F2610-I/SO | PIC18F2510T-I/SO | PIC18F2510-I/SP | PIC18LF2510-I/SO | PIC18F25K22-I/SO |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SOIC (wide, 0.300") | 28-SOIC | 28-SOIC | 28-SOIC | 28-PDIP (through-hole, NOT drop-in SMD) | 28-SOIC | 28-SOIC |
| Program Memory (Flash) | 32 KB | 32 KB | 64 KB | 32 KB | 32 KB | 32 KB | 32 KB |
| RAM | 1.5 KB (1536 bytes) | 1.5 KB | 3.9 KB | 1.5 KB | 1.5 KB | 1.5 KB | 1.5 KB |
| EEPROM | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes |
| Maximum Clock | 40 MHz (10 MIPS) | 40 MHz (10 MIPS) | 40 MHz (10 MIPS) | 40 MHz (10 MIPS) | 40 MHz (10 MIPS) | 40 MHz (10 MIPS) | 64 MHz (16 MIPS) |
| I/O Pins | 25 | 25 | 25 (variant mapping; some pins change function) | 25 | 25 | 25 | 24 |
| 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 | 2.0 V to 5.5 V | 1.8 V to 3.6 V (LF variant) | 1.8 V to 5.5 V |
Key Differentiators
- Higher Flash density in same 28-SOIC (vs PIC18F2510-I/SO)
- Lower operating voltage range (vs PIC18F2510-I/SO)
- Higher CPU throughput (vs PIC18F2510-I/SO)
- Same silicon, tape-and-reel packaging variant (vs PIC18F2510-I/SO)
Design Notes
Decouple VDD with a 100 nF X7R ceramic placed within 5 mm of the pins, and add a 10 uF bulk tantalum or ceramic on the same rail. The PIC18F2510 accepts 2.0 V to 5.5 V but the ADC accuracy degrades below 3.0 V; in 3.3 V designs keep VDD above 3.0 V or use a separate AVDD reference. The PIC18LF2510 supports lower VDD (down to 1.8 V typical) at reduced clock speed - if you design both F and LF variants, document a max Fosc vs VDD graph on the schematic for the firmware team.
Route ICSP signals RB6/PGC and RB7/PGD as a short pair with a guard trace to GND to avoid noisy programming on production boards. MCLR (pin 1) should pull to VDD through 10 kohm with a 100 nF to GND; do not leave MCLR floating. Keep the quartz or external clock traces short and away from switching-node traces on motor-control boards. Place bypass capacitors on VDD/VSS as close as possible, ideally within one package-width of the MCU.
On electrically noisy boards (motor drives, solenoid loads), enable the Fail-Safe Clock Monitor (FCMEN config bit) and use a separate Watchdog Timer clock source (WDTPS configuration). The PIC18F2510 hardware stack overflows if interrupts nest deeply without saving context; always save WREG, STATUS, and BSR in interrupt service routines. For analog accuracy, calibrate the ADC reference against VDD or use an external 4.096 V reference such as MCP1541 - the internal ADC ratiometric accuracy improves when source impedance is below 2.5 kohm.
Do not exceed 40 MHz at VDD = 5.0 V or 20 MHz at VDD = 2.0 V - confirm against the Fosc/VDD graph in the datasheet. Some low-voltage operations (BOR, PLLEN, internal oscillator modes) have different thresholds - if migrating from PIC18F2410/2510 to PIC18F25K22, double-check the configuration bits because K22 introduces new LDO and PPS options. Finally, do not rely on the PIC18F2510 for USB - if USB is needed, design with PIC18F2455/2550 in a different footprint instead.
Compliance Information
RoHS compliance and lead-free status are stated on the Microchip product page; halogen-free status is not explicitly listed in the verified web data. AEC-Q100 qualification is not applicable for general-purpose industrial grade.
