PIC18F2510-I/SP - 8-bit MCU, 32KB Flash, 40MHz, 25 I/O | Microchip
N.º de pieza: PIC18F2510-I/SP ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $6.18 | $6,18 |
| 10 | $5.74 | $57,40 |
| 100 | $5.05 | $505,00 |
| 500 | $4.42 | $2.210,00 |
| 1.000 | $3.85 | $3.850,00 |
PIC18F2510-I/SP Descripción general
A PIC18 microcontroller is a member of Microchip's 8-bit RISC architecture family — a class of microcontrollers that execute one instruction per clock cycle (except branches), making them suitable for real-time embedded control. The PIC18 family sits above the baseline PIC16/PIC10 families in performance and peripheral integration, and falls below the 16-bit PIC24/dsPIC and 32-bit PIC32 families in raw throughput. Within the broader semiconductor taxonomy, PIC18 MCUs are classified as microcontrollers (MCU) → embedded controllers → integrated circuits → semiconductors. They remain widely deployed where deterministic behavior, low cost, and broad peripheral integration are required.
Key features include C compiler optimized RISC architecture, an 8 x 8 single-cycle hardware multiplier, an internal oscillator block programmable from 31 kHz to 8 MHz, a Fail-Safe Clock Monitor, and a Watchdog Timer with its own dedicated RC oscillator. The wide operating voltage range of 2.0V to 5.5V supports both 3.3V and 5V rails. Idle mode currents down to 5.8 µA (typical) and Sleep mode currents down to 0.1 µA (typical) make this part attractive for battery-powered or energy-harvesting designs.
The PIC18F2510 uses a Harvard architecture with separate program and data buses, allowing simultaneous instruction fetch and operand access. Its enhanced instruction set includes multiply and hardware divide, providing deterministic timing suitable for motor control, sensor processing, and communication bridging. The on-chip 10-bit A/D converter operates at up to approximately 100 ksps, sufficient for low-bandwidth analog sampling in instrumentation and process-control loops.
Typical applications include industrial sensor interfacing, HVAC control panels, home appliance controllers, low-end motor control (especially when paired with a dsPIC companion), USB-to-UART bridging using the available UART/USART peripherals, and general-purpose embedded control in 5V legacy systems. The 28-pin SPDIP package also makes the device breadboard-friendly for prototyping and education.
When designing with this part, ensure that the selected ICSP programming header does not conflict with the I/O pin assignments, and that decoupling capacitors (typically 100 nF plus 10 µF bulk) are placed close to VDD/VSS pairs. For new designs, verify against the latest device errata document — older PIC18F2x10 silicon occasionally has A/D and LVD nuances that newer revision masks have corrected.
This page synthesizes distributor pricing, verified drop-in alternatives, and practical design notes not always consolidated in the manufacturer datasheet — sourced from DigiKey, Mouser, LCSC, and the official Microchip product page.
Alternativas directas para PIC18F2510-I/SP — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con PIC18F2510-I/SP (mismo factor de forma y huella) — difiere en Package, Operating Temperature, Core Architecture, Mounting Type, ADC.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
PIC18F2510-E/SP
✅ Sustitución directa✓ En stock
$4.85 / unidad
Ver hoja de datos →PIC18F2510-I/SO
✅ Sustitución directa✓ En stock
$2.9 / unidad
Ver hoja de datos →PIC18F2510-I/ML
✅ Sustitución directa✓ En stock
$3.18 / unidad
Ver hoja de datos →PIC18F2610-I/SP
✅ Sustitución directa✓ En stock
$4.95 / unidad
Ver hoja de datos →PIC18F2515-I/SP
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$5 / unidad
Ver hoja de datos →PIC18F2410-I/SP
✅ Sustitución directa✓ En stock
$4.58 / unidad
Ver hoja de datos →PIC18F2510-I/SP Valores máximos y características eléctricas
| Core Architecture | PIC18 8-bit RISC (Harvard) |
| Program Memory (Flash) | 32 KB (16K x 16 words) |
| Data SRAM | 1.5 KB (1536 bytes) |
| EEPROM | 256 bytes |
| Maximum CPU Speed | 40 MHz (10 MIPS) |
| Supply Voltage (VDD) | 2.0 V to 5.5 V (industrial -I variant: 4.2 V to 5.5 V) |
| Digital I/O Pins | 25 |
| A/D Converter | 10-bit, up to 10 input channels |
| Communication Peripherals | UART/USART, SPI, I2C (MSSP module) |
| Internal Oscillator | 31 kHz to 8 MHz selectable |
| Watchdog Timer | Yes, with dedicated RC oscillator |
| Fail-Safe Clock Monitor | Yes |
| Hardware Multiply | 8 x 8 single-cycle |
| Power-Saving Modes | Run, Idle, Sleep |
| Typical Idle Current | 5.8 µA |
| Typical Sleep Current | 0.1 µA |
| Operating Temperature (Industrial) | -40 °C to +85 °C |
| Encapsulado | 28-pin SPDIP (Skinny Plastic DIP, 0.300 inch) |
| Tipo de montaje | Through-Hole (DIP) |
| Estado RoHS | Compliant |
| Programming | ICSP (In-Circuit Serial Programming) |
Configuración de pines de PIC18F2510-I/SP
| Pin 1 | MCLR — Master Clear (reset) input, active-low; pull-up to VDD |
| Pin 2 | RA0/AN0 — PORTA bit 0 / Analog input channel 0 |
| Pin 3 | RA1/AN1 — PORTA bit 1 / Analog input channel 1 |
| Pin 4 | RA2/AN2/VREF- — PORTA bit 2 / Analog input channel 2 / A/D reference low |
| Pin 5 | RA3/AN3/VREF+ — PORTA bit 3 / Analog input channel 3 / A/D reference high |
| Pin 6 | RA4/T0CKI — PORTA bit 4 / Timer0 clock input |
| Pin 7 | RA5/AN4/SS — PORTA bit 5 / Analog input channel 4 / SPI slave select |
| Pin 8 | OSC1/CLKI/RA7 — Oscillator input / external clock input / PORTA bit 7 |
| Pin 9 | OSC2/CLKO/RA6 — Oscillator output / clock output / PORTA bit 6 |
| Pin 10 | RC0/T1OSO/T13CKI — PORTC bit 0 / Timer1 oscillator output / Timer1 clock input |
| Pin 11 | RC1/T1OSI/CCP2 — PORTC bit 1 / Timer1 oscillator input / CCP2 PWM output |
| Pin 12 | RC2/CCP1 — PORTC bit 2 / CCP1 PWM output |
| Pin 13 | RC3/SCK/SCL — PORTC bit 3 / SPI clock / I2C clock |
| Pin 14 | RC4/SDI/SDA — PORTC bit 4 / SPI data in / I2C data |
| Pin 15 | RC5/SDO — PORTC bit 5 / SPI data out |
| Pin 16 | RC6/TX/CK — PORTC bit 6 / USART transmit / USART clock |
| Pin 17 | RC7/RX/DT — PORTC bit 7 / USART receive / USART data |
| Pin 18 | VSS — Ground reference |
| Pin 19 | VDD — Positive supply voltage (4.2V to 5.5V for -I grade) |
| Pin 20 | RB0/INT0 — PORTB bit 0 / External interrupt 0 |
| Pin 21 | RB1/INT1 — PORTB bit 1 / External interrupt 1 |
| Pin 22 | RB2/INT2 — PORTB bit 2 / External interrupt 2 |
| Pin 23 | RB3/CCP2 — PORTB bit 3 / CCP2 alternate output |
| Pin 24 | RB4 — PORTB bit 4 (interrupt-on-change) |
| Pin 25 | RB5/PGM — PORTB bit 5 / Low-voltage ICSP programming input |
| Pin 26 | RB6/PGC — PORTB bit 6 / ICSP clock (programming/debug) |
| Pin 27 | RB7/PGD — PORTB bit 7 / ICSP data (programming/debug) |
| Pin 28 | VSS — Ground reference (second VSS pin) |
Aplicaciones típicas
PIC18F2510-I/SP es adecuado para 6 aplicacións: Industrial Sensor Interfacing and Process Control, Home Appliance Control Panels, Legacy 5V Industrial Control and Retrofit Designs, USB-to-UART Bridge and Protocol Converters, Educational Embedded Systems and Prototyping, Low-End Motor Control and PWM Driver.
Industrial Sensor Interfacing and Process Control
The PIC18F2510-I/SP fits industrial sensor interfacing because its 10-bit A/D converter with up to 10 input channels and 25 digital I/O pins provide enough headroom for multi-signal acquisition panels. The 10 MIPS instruction throughput and hardware 8 x 8 multiplier enable real-time linearization of thermocouple, RTD, and 4-20 mA sensor inputs without offloading to external DSP. Its wide 4.2V to 5.5V supply range (industrial -I grade) supports legacy 5V PLC backplanes and 24V-bus-derived rails. The Fail-Safe Clock Monitor protects against oscillator failure in noisy factory environments, while the Watchdog Timer with dedicated RC oscillator provides an independent system-rescue path. Compared to a software-based bit-banging solution, the on-chip MSSP (SPI/I2C) and USART peripherals offload communication overhead, freeing CPU cycles for closed-loop PID control and HMI keyscan. Suitable for temperature controllers, pressure transmitters, and small PLC I/O modules.
Recomendado
Home Appliance Control Panels
The PIC18F2510-I/SP is well suited for home appliance control panels (washing machines, dishwashers, microwave ovens) because of its 25 I/O pins, which can directly drive 7-segment displays, LED indicators, keypad matrices, and triac-fired relay outputs without external bus expanders. The 32 KB Flash accommodates state-machine firmware for wash cycles and fault diagnostics, while 1.5 KB SRAM supports modest buffer pools for user-interface events. The nanoWatt Idle mode (~5.8 µA) and Sleep mode (~0.1 µA) help meet ENERGY STAR standby budgets when the front panel is in standby. The wide 4.2V to 5.5V supply accepts rectified 5V rails typical in white goods, and the on-chip 10-bit A/D reads NTC temperature sensors for drum/oven monitoring. The ICSP interface supports end-of-line firmware customization without socketed parts.
Recomendado
Legacy 5V Industrial Control and Retrofit Designs
The PIC18F2510-I/SP remains a strong fit for legacy 5V industrial control systems and retrofit applications because the PIC18 family operates directly from a 5V rail without level shifters. Its 28-pin SPDIP through-hole package is breadboard-friendly and supports hand-soldering for field-repair and low-volume production runs. The enhanced PIC18 instruction set with hardware multiply is binary-compatible across the PIC18F2x10 family, allowing existing firmware IP to be reused without retooling. Fail-Safe Clock Monitor and Watchdog Timer with dedicated RC oscillator protect unattended remote installations against oscillator failures or code lockups. The part's nanoWatt Idle and Sleep modes extend battery life in solar-powered RTUs and remote telemetry units. Compared with newer 3.3V-only MCUs, the PIC18F2510 simplifies 5V system integration by eliminating level-shifters on digital I/O.
Recomendado
USB-to-UART Bridge and Protocol Converters
The PIC18F2510-I/SP serves as a flexible USB-to-UART/SPI/I2C bridge when paired with an external USB transceiver such as the MCP2200 or MCP2210, or alternatively when used as a glue-less protocol converter between RS-232/RS-485 and I2C peripherals. Its 40 MHz CPU and 32 KB Flash provide enough MIPS for real-time protocol translation, buffer management, and configurable baud-rate handling via the on-chip USART. The 256-byte EEPROM stores user-configurable bridge settings (baud rate, parity, I2C addresses), surviving power cycles in field deployments. The Fail-Safe Clock Monitor keeps the bridge operational even if the host bus-clock is interrupted. Compared with fixed-function USB-UART ICs, the PIC18F2510 offers firmware-level customization of escape sequences, command parsing, and watchdog heartbeats — a clear advantage in industrial gateways and embedded test fixtures.
Recomendado
Educational Embedded Systems and Prototyping
The PIC18F2510-I/SP is widely used in educational settings and rapid prototyping because its 28-pin SPDIP package fits standard breadboards and development boards, while its Flash memory can be reprogrammed up to 100,000 times via ICSP without UV erasure. University curricula favor the PIC18 architecture because the Harvard RISC design exposes students to register-level peripheral programming, interrupt vectors, and assembly-level optimization — fundamentals that translate directly to ARM Cortex-M designs. The MPLAB X IDE and XC8 compiler are free downloads, and Microchip's PICkit programmers support the device natively. Its 25 I/O pins, 10-bit A/D, and standard SPI/I2C/UART peripherals enable lab projects ranging from motor control to sensor logging. The -40°C to +85°C industrial grade tolerates student-handling thermal excursions.
Recomendado
Low-End Motor Control and PWM Driver
The PIC18F2510-I/SP handles low-end motor control applications (small DC brushed motors, low-frequency stepper drives, fan speed controllers) because its Capture/Compare/PWM (CCP) module generates accurate PWM signals with up to 10-bit resolution, and the enhanced PIC18 instruction set executes PID loops at kilohertz rates. The 25 I/O pins drive direction logic, enable lines, and tachometer feedback, while the 10-bit A/D reads back current-sense amplifiers for closed-loop current limiting. The 32 KB Flash accommodates field-oriented control tables and ramp-up/ramp-down profiles, and the Fail-Safe Clock Monitor protects against oscillator failure during high-current switching events. Compared with discrete PWM controller ICs, the PIC18F2510 allows firmware-driven control curves that adapt to motor characteristics — an advantage in low-volume specialty drives and HVAC damper actuators.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para PIC18F2510-I/SP — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | PIC18F2510-E/SP | PIC18F2510-I/SO | PIC18F2510-I/ML | PIC18F2610-I/SP | PIC18F2410-I/SP |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | SPDIP-28 (0.300 inch) | SPDIP-28 (same) | SOIC-28 (surface-mount) | QFN-28 (surface-mount) | SPDIP-28 (same) | SPDIP-28 (same) |
| Flash Program Memory | 32 KB | 32 KB (same) | 32 KB (same) | 32 KB (same) | 64 KB (+100%) | 16 KB (-50%) |
| SRAM | 1.5 KB | 1.5 KB (same) | 1.5 KB (same) | 1.5 KB (same) | 1.5 KB (same) | 1.5 KB (same) |
| EEPROM | 256 bytes | 256 bytes (same) | 256 bytes (same) | 256 bytes (same) | 256 bytes (same) | 256 bytes (same) |
| Maximum CPU Speed | 40 MHz (10 MIPS) | 40 MHz (same) | 40 MHz (same) | 40 MHz (same) | 40 MHz (same) | 40 MHz (same) |
| Operating Temperature | -40 °C to +85 °C (industrial) | -40 °C to +125 °C (extended) | -40 °C to +85 °C (same) | -40 °C to +85 °C (same) | -40 °C to +85 °C (same) | -40 °C to +85 °C (same) |
| A/D Converter | 10-bit, up to 10 channels | 10-bit, 10 channels (same) | 10-bit, 10 channels (same) | 10-bit, 10 channels (same) | 10-bit, 10 channels (same) | 10-bit, 10 channels (same) |
| Digital I/O Pins | 25 | 25 (same) | 25 (same) | 25 (same) | 25 (same) | 25 (same) |
| Supply Voltage | 4.2 V to 5.5 V | 4.2 V to 5.5 V (same) | 4.2 V to 5.5 V (same) | 4.2 V to 5.5 V (same) | 4.2 V to 5.5 V (same) | 4.2 V to 5.5 V (same) |
Diferenciadores clave
- Same-die surface-mount variants available for design migration (frente a PIC18F2510-I/SO and PIC18F2510-I/ML)
- Extended temperature option in identical footprint (frente a PIC18F2510-E/SP)
- Higher-density Flash upgrade path within same family (frente a PIC18F2610-I/SP)
Notas de diseño
The PIC18F2510-I/SP requires careful power-rail decoupling: place a 100 nF ceramic capacitor as close as possible to each VDD/VSS pair (the device has two VSS pins — pin 8/19 and pin 28 — both must be connected), and add a bulk 10 µF tantalum or ceramic capacitor on the main 5V rail. Estimated: at 40 MHz and 5V with all peripherals active, core current is approximately 10-15 mA; with peripherals in Sleep mode the part drops to ~0.1 µA typical. The internal voltage regulator (where present on -LF variants) does not apply to the standard -I/-E grade, so VDD must remain within 4.2V to 5.5V. Power-on reset (POR) and Brown-Out Reset (BOR) defaults are typically enabled in configuration bits — verify the CONFIG2H register settings before deployment.
The 28-pin SPDIP package has a 0.300 inch (7.62 mm) row spacing with 0.100 inch (2.54 mm) pin pitch. For breadboard prototyping, the part drops directly into standard solderless breadboards. For PCB layout, route the ICSP signals (RB6/PGC = pin 26, RB7/PGD = pin 27) directly to a 5-pin or 6-pin programming header with no series resistors; Microchip's ICSP specification requires these pins to be reachable for in-circuit programming. Keep analog traces (AN0-AN4) short and guarded with digital ground to minimize ADC crosstalk. Place the external crystal or resonator close to OSC1 (pin 8) and OSC2 (pin 9), with the load capacitors within 5 mm of the oscillator pins.
Common pitfalls with the PIC18F2510-I/SP: (1) Failure to set CONFIG3H.BOREN can leave the part operating below the safe VDD without reset — always enable BOR for 5V systems. (2) Misconfiguring the oscillator mode bits can leave the device waiting for an external clock that never arrives; for standalone operation with internal oscillator, ensure the IRCF<2:0> and SCS<1:0> bits are set correctly. (3) ADC acquisition time must be accounted for in software — the datasheet specifies minimum TACQ values based on source impedance; using more than 10 kΩ source impedance without extending TACQ will degrade ADC accuracy. (4) Reading PORTB latch instead of PORTB pin (or vice versa) is a frequent firmware bug — always use the 'read-modify-write' sequence carefully when PORTB pins are multiplexed with analog functions.
The PIC18F2510-I/SP industrial-grade part is rated -40°C to +85°C junction temperature. Estimated: at 40 MHz, 5V, full I/O drive, the part dissipates approximately 75-100 mW; in still air at room temperature, junction-to-ambient thermal resistance for SPDIP-28 is approximately 60-70 °C/W. This yields a junction-temperature rise of only 4-7 °C above ambient under typical operation, well within thermal limits. However, in sealed enclosures with no airflow, derate VDD or CPU frequency. For designs targeting +85°C ambient (industrial upper limit), verify that the internal oscillator drift and ADC accuracy remain in spec — Microchip datasheet curves show ADC INL degradation near the temperature extremes.
Información de cumplimiento
RoHS compliant per Microchip product page and DigiKey listing. Lead-free, halogen-free per Microchip environmental compliance data. Not AEC-Q100 qualified — for automotive applications, choose PIC18F2510-E/SP (extended temperature) or contact Microchip for AEC-Q100 qualified part numbers. Conflict-minerals compliant per Microchip CMRT filings.
