PIC18LF4510-I/P - 8-Bit 40MHz MCU, 32KB Flash | Microchip
N.º de pieza: PIC18LF4510-I/P ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $8.56 | $8,56 |
| 10 | $7.71 | $77,10 |
| 100 | $6.92 | $692,00 |
| 500 | $5.97 | $2.985,00 |
| 1.000 | $5.34 | $5.340,00 |
PIC18LF4510-I/P Descripción general
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), data memory (RAM), and a rich set of peripheral interfaces (ADC, timers, UART, I/O ports, PWM, etc.) onto one IC. Within the semiconductor hierarchy, an MCU sits below microprocessor (MPU) and above digital logic ICs; PIC18F-family MCUs specifically target low-power, deterministic embedded control with a Harvard RISC architecture.
Key features include 1536 bytes of RAM, 256 bytes of data EEPROM, a 10-bit ADC with up to 13 input channels, multiple capture/compare/PWM modules, two USART ports, an MSSP (SPI/I2C) port, two 8-bit timers and three 16-bit timers, nanoWatt power management, and 36 digital I/O pins on the 40-pin DIP. The part is designed for 2.5V/3.3V/5V operation, providing flexible supply rail support for both portable and line-powered designs.
Architecturally, the PIC18LF4510 uses an enhanced 8-bit RISC core with a hardware multiplier, a 31-level deep hardware stack, and instruction-pipelined execution that yields up to 10 MIPS at 40 MHz. Code-compatible across the PIC18 family, it supports both C and assembly development under MPLAB X IDE and MPLAB XC8, with in-circuit debugging via ICD 3 or PICkit 4. The nanoWatt technology adds multiple low-power modes (Run, Idle, and several Sleep variants) selectable in firmware to extend battery life in power-constrained products.
Typical applications include industrial control panels, sensor conditioning with on-chip ADC, HVAC thermostats, motor control edge nodes, USB-to-UART bridges, smart energy metering, and automotive body electronics subsystems. The 40-pin PDIP format simplifies breadboard prototyping, legacy field replacements, and through-hole manufacturing for low-to-medium-volume products.
When designing with the PIC18LF4510-I/P, note that the -I suffix denotes the industrial temperature grade (-40C to +85C) and the /P package designator specifies the 40-pin PDIP. Decoupling caps of 100 nF plus bulk 10 uF should be placed within a few millimeters of VDD/VSS, and unused I/O pins must be configured as outputs low to minimize current draw in Sleep mode.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone Microchip datasheet, with values verified against DigiKey, Mouser, and Octopart as of 2026-09-28.
Alternativas directas para PIC18LF4510-I/P — 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 PIC18LF4510-I/P (mismo factor de forma y huella) — difiere en Package, Mounting Type, Operating Temperature, Timers, ADC.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
PIC18F4510-I/P
✅ Sustitución directa✓ En stock
$5.27 / unidad
Ver hoja de datos →PIC18LF4520-I/P
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC18LF4420-I/P
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC18LF4550-I/P
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC18LF4515-I/P
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC18LF4510-I/P Valores máximos y características eléctricas
| Core | PIC18 (8-bit RISC) |
| CPU Speed | 40 MHz (10 MIPS) |
| Program Memory | 32 KB Flash (16K x 16) |
| RAM | 1536 bytes |
| EEPROM | 256 bytes |
| Tensión de alimentación | 2.5 V / 3.3 V / 5 V |
| I/O Pins | 36 |
| ADC | 10-bit, up to 13 channels |
| Timers | 2 x 8-bit, 3 x 16-bit |
| Communication | 2 x USART (EUSART), MSSP (SPI/I2C) |
| CCP/ECCP Modules | Multiple (PWM/capture/compare) |
| Encapsulado | 40-pin PDIP |
| Temperatura de funcionamiento | -40 C to +85 C (Industrial, -I) |
| Power-Saving Modes | Run, Idle, Sleep (nanoWatt) |
| Tipo de montaje | Through-Hole |
Configuración de pines de PIC18LF4510-I/P
| Pin 1 | MCLR/RE3 — Master Clear (reset) input or digital I/O RE3 |
| 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 VREF- |
| Pin 5 | RA3/AN3/VREF+ — PORTA bit 3 / analog input 3 / ADC VREF+ |
| Pin 6 | RA4/T0CKI — PORTA bit 4 / Timer0 clock input |
| Pin 7 | RA5/AN4/SS — PORTA bit 5 / analog input 4 / SPI slave select |
| Pin 8 | RE0/RD/AN5 — PORTE bit 0 / read control / analog input 5 |
| Pin 9 | RE1/WR/AN6 — PORTE bit 1 / write control / analog input 6 |
| Pin 10 | RE2/CS/AN7 — PORTE bit 2 / chip select / analog input 7 |
| Pin 11 | VDD — Positive supply voltage |
| Pin 12 | VSS — Ground reference |
| Pin 13 | OSC1/CLKI — Crystal oscillator input / external clock input |
| Pin 14 | OSC2/CLKO — Crystal oscillator output / clock output |
| Pin 15 | RC0/T1OSO/T1CKI — PORTC bit 0 / Timer1 oscillator out / Timer1 clock in |
| Pin 16 | RC1/T1OSI/CCP2 — PORTC bit 1 / Timer1 oscillator in / CCP2 I/O |
| Pin 17 | RC2/CCP1 — PORTC bit 2 / CCP1 I/O |
| Pin 18 | RC3/SCK/SCL — PORTC bit 3 / SPI clock / I2C clock |
| Pin 19 | RD0/PSP0 — PORTD bit 0 / Parallel Slave Port bit 0 |
| Pin 20 | RD1/PSP1 — PORTD bit 1 / Parallel Slave Port bit 1 |
| Pin 21 | RD2/PSP2 — PORTD bit 2 / Parallel Slave Port bit 2 |
| Pin 22 | RD3/PSP3 — PORTD bit 3 / Parallel Slave Port bit 3 |
| Pin 23 | RC4/SDI/SDA — PORTC bit 4 / SPI data in / I2C data |
| Pin 24 | RC5/SDO — PORTC bit 5 / SPI data out |
| Pin 25 | RC6/TX/CK — PORTC bit 6 / USART TX / USART clock |
| Pin 26 | RC7/RX/DT — PORTC bit 7 / USART RX / USART data |
| Pin 27 | RD4/PSP4 — PORTD bit 4 / Parallel Slave Port bit 4 |
| Pin 28 | RD5/PSP5 — PORTD bit 5 / Parallel Slave Port bit 5 |
| Pin 29 | RD6/PSP6 — PORTD bit 6 / Parallel Slave Port bit 6 |
| Pin 30 | RD7/PSP7 — PORTD bit 7 / Parallel Slave Port bit 7 |
| Pin 31 | VSS — Ground reference |
| Pin 32 | VDD — Positive supply voltage |
| Pin 33 | RB0/INT0 — PORTB bit 0 / external interrupt 0 |
| Pin 34 | RB1/INT1 — PORTB bit 1 / external interrupt 1 |
| Pin 35 | RB2/INT2 — PORTB bit 2 / external interrupt 2 |
| Pin 36 | RB3/CCP2 — PORTB bit 3 / CCP2 I/O (alternate) |
| Pin 37 | RB4 — PORTB bit 4 (interrupt-on-change) |
| Pin 38 | RB5 — PORTB bit 5 (interrupt-on-change) |
| Pin 39 | RB6/PGC — PORTB bit 6 / in-circuit debugger clock |
| Pin 40 | RB7/PGD — PORTB bit 7 / in-circuit debugger data |
Aplicaciones típicas
PIC18LF4510-I/P es adecuado para 6 aplicacións: Industrial Control Panel, HVAC Thermostat, Sensor Signal Conditioning Node, Motor Control Edge Node, Educational / Hobbyist Embedded Platform, Automotive Body Electronics (12V Subsystem).
Industrial Control Panel
The PIC18LF4510-I/P fits industrial control panel front-ends thanks to its 40 MHz core delivering 10 MIPS, 36 digital I/O pins, and a 13-channel 10-bit ADC for sensor scanning and discrete actuator drive. The wide 2.0-5.5V supply range lets the same board accept 3.3V sensor rails or 5V PLC backplanes without level shifters. Its 40-pin PDIP format simplifies through-hole assembly for low-volume panels and field serviceability. nanoWatt Sleep modes keep quiescent draw below typical watchdog-supervised panel needs. Per Microchip application note AN1229, the device supports fail-safe clock monitor and brown-out reset, both critical for unattended industrial installations.
Recomendado
HVAC Thermostat
The PIC18LF4510-I/P suits HVAC thermostat designs because its 32 KB Flash supports a UI state machine, scheduling logic, and a small TCP/IP or Modbus stack over the on-chip USART. The 13-channel 10-bit ADC handles thermistor inputs, humidity sensors, and potentiometer setpoints simultaneously. The wide 2.5-5.5V operating range accommodates both battery backup and 24VAC-derived supplies. With a -40C to +85C industrial grade, the device survives attic-mounted thermostat enclosures. Microchip's nanoWatt Idle mode and peripheral clock gating keep standby draw negligible between HVAC cycles.
Recomendado
Sensor Signal Conditioning Node
The PIC18LF4510-I/P acts as a sensor front-end node, leveraging its 13-channel 10-bit ADC, two USARTs, and an MSSP channel to bridge 4-20 mA loops, I2C sensors, and RS-485 trunks. The 32 KB Flash accommodates digital filtering (FIR/IIR), linearization, and Modbus RTU framing. Its wide-voltage LF operation lets the same firmware run on 3.3V battery packs or 5V PLC tap power. The PIC18LF4510's hardware multiplier and 10 MIPS core can process oversampling averages at >10 kS/s aggregate, suitable for multi-sensor industrial nodes. PIC-IoT WA series is recommended when cloud connectivity is added.
Recomendado
Motor Control Edge Node
The PIC18LF4510-I/P can drive small DC and stepper motors via its multiple CCP/ECCP PWM modules while simultaneously reading encoder feedback through the capture inputs. The 36 I/O pins handle direction lines, enable signals, and tachometer input. The 32 KB Flash is sufficient to implement trapezoidal commutation and soft-start ramps in C, and the wide 2.0-5.5V supply supports both 3.3V logic-level FET drivers and 5V legacy interface drivers. Per Microchip AN1079, this PIC18 family drives 3-phase BLDC when paired with appropriate gate drivers. The PDIP package aids prototyping before committing to SMD.
Recomendado
Educational / Hobbyist Embedded Platform
The PIC18LF4510-I/P is widely adopted in undergraduate embedded courses and hobbyist projects due to its through-hole 40-pin DIP form factor, which fits standard breadboards and zero-force IC sockets. The 32 KB Flash accommodates compiled XC8 C code, while 1536 bytes of RAM supports stack-rich programs with reasonable local variable depth. The on-chip USART, MSSP, and PWM peripherals map directly to textbook chapter examples. MPLAB X IDE with PICkit 4 or ICD 4 supports in-circuit programming and debugging, allowing students to step through code in real hardware. The wide 2.0-5.5V range tolerates lab power supply errors.
Recomendado
Automotive Body Electronics (12V Subsystem)
The PIC18LF4510-I/P serves in automotive body modules (window lift, mirror adjust, interior lighting controllers) where its industrial -40 to +85 C temperature grade covers most cabin locations. The 13-channel 10-bit ADC reads multi-position switches and current-sensing shunts. Two USARTs support LIN via external transceiver or legacy UART diagnostics. While not AEC-Q100 qualified, it remains popular in aftermarket and pre-production 12V modules where LF wide-voltage tolerance (compatible with 9-16V post-crank automotive rails via external regulator) is valuable. For production automotive designs, Microchip recommends PIC18F46K42 or dsPIC33AEC automotive parts.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para PIC18LF4510-I/P — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | PIC18F4510-I/P | PIC18LF4520-I/P | PIC18LF4420-I/P | PIC18LF4550-I/P | PIC18LF4515-I/P |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 40-pin PDIP | 40-pin PDIP - same | 40-pin PDIP - same | 40-pin PDIP - same | 40-pin PDIP - same | 40-pin PDIP - same |
| Flash Memory | 32 KB | 32 KB | 32 KB | 8 KB | 32 KB | 48 KB |
| RAM | 1536 bytes | 1536 bytes | 1536 bytes | 768 bytes | 2048 bytes | 1536 bytes |
| Operating Voltage | 2.0 - 5.5 V | 4.2 - 5.5 V | 2.0 - 5.5 V | 2.0 - 5.5 V | 2.0 - 5.5 V | 2.0 - 5.5 V |
| CPU Speed | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 48 MHz | 40 MHz |
| USB Peripheral | No | No | No | No | Yes (USB 2.0 FS) | No |
| ADC Channels | 13 | 13 | 13 | 13 | 13 | 13 |
Diferenciadores clave
- Wide 2.0-5.5V operating range with 32 KB Flash in 40-pin PDIP (frente a PIC18F4510-I/P)
- Compact 32 KB Flash, no USB overhead for cost-sensitive analog conditioning (frente a PIC18LF4550-I/P)
- Larger Flash headroom (48 KB) with identical pinout (frente a PIC18LF4515-I/P)
Notas de diseño
Estimated: Decouple VDD/VSS with a 100 nF X7R ceramic placed within 5 mm of pins 11 and 31, plus a 10 uF bulk capacitor. The PIC18LF4510-I/P dual VDD/VSS pairs (pins 11/12 and 31/32) require separate bypasses for each rail pair per Microchip AN588. Add a 10 uF bulk cap near the AVDD/AVSS pins if used for ADC measurements. nanoWatt Sleep current is typically <1 uA with all peripherals disabled and RTCC enabled.
For the 40-pin PDIP, place a 4.7 kohm pull-up on MCLR (pin 1) for clean power-on reset, or use Microchip's recommended 10 kohm if noise immunity is needed. Keep the trace from MCLR short (<25 mm) and avoid routing high-speed switching signals near it. The ICSP pins RB6/PGC (pin 39) and RB7/PGD (pin 40) require isolation resistors (typically 4.7 kohm) on production boards to allow in-circuit programming without disturbing the application circuit.
Do not leave unused I/O pins floating - configure them as outputs driving low (to avoid shoot-through current). Set CONFIG settings (BOREN, PWRT, WDT) carefully in MPLAB X during code initialization. The LF prefix variants must not be run above 5.5V or the device may latch. Always verify the configuration bits match your chosen crystal or oscillator; the PIC18LF4510 supports HS, XT, LP, EC, and RC modes from 32 kHz up to 40 MHz. Read the silicon errata DS80099 before signing off the design.
Estimated: For ADC accuracy, add a 100 nF cap on each analog input near the pin, and route analog traces away from digital switching lines. The ADC reference inputs (RA2/VREF-, RA3/VREF+) should each have a 10 uF + 100 nF decoupling pair. Avoid using ADC channels on pins that double as parallel-slave-port data lines unless carefully timed. For SPI at 4 MHz+ over long traces, add 100 ohm source terminations. I2C MSSP lines need 2.2-4.7 kohm pull-ups per the I2C specification.
Información de cumplimiento
RoHS compliant per Microchip product page. Industrial temperature grade -40 to +85C. Not AEC-Q100 qualified - use PIC18F46K42 or dsPIC33 AEC-Q100 parts for automotive.
