PIC18F4610-I/P - 8-Bit 40MHz 64KB Flash MCU 40-PDIP | Microchip
N.º de pieza: PIC18F4610-I/P ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $7.85 | $7,85 |
| 10 | $6.92 | $69,20 |
| 100 | $5.88 | $588,00 |
| 500 | $5.1 | $2.550,00 |
| 1.000 | $4.45 | $4.450,00 |
PIC18F4610-I/P Descripción general
A PIC18 microcontroller is an 8-bit modified-Harvard RISC microcontroller family from Microchip, sitting within the broader taxonomy: microcontroller (MCU) -> embedded controller -> semiconductor IC. The PIC18 family extends the baseline PIC16 architecture with enhanced 16-bit instructions, linear memory addressing, C-compiler-friendly architecture, and rich peripheral integration including ADC, PWM, and multiple serial interfaces.
Key features of the PIC18F4610 include 64KB (32K x 16) of self-programmable Flash, 3968 bytes of SRAM, 1024 bytes of EEPROM, 36 digital I/O pins, a 10-bit ADC with up to 13 input channels, two Enhanced USART modules, MSSP (SPI/I2C), two CCP/ECCP modules, two 8-bit timers plus three 16-bit timers, and two analog comparators. The Flash program memory supports self-programming under software control, enabling bootloaders and field firmware updates.
Internally the PIC18F4610 uses a RISC architecture with a 16-bit instruction word (8-bit data path), an 8x8 hardware multiplier, a 31-level hardware stack, and an instruction set tuned for C compilers such as MPLAB XC8. The device operates from 2.0V to 5.5V across the full industrial temperature range, with nanoWatt power management features including idle and sleep modes that draw microamp-level current for battery applications.
Typical applications include industrial control panels, sensor data acquisition, HVAC thermostat controllers, motor control boards, automotive body electronics, USB-to-UART bridges, and legacy educational platforms. The 40-pin PDIP package is favored for prototyping, through-hole assembly, breadboard-based development, and repair of legacy systems where socketed MCUs simplify firmware iteration. Development is supported by MPLAB X IDE, MPLAB XC8 compiler, and PICkit programmers.
When designing with the PIC18F4610-I/P, ensure decoupling capacitors (100nF plus 10uF bulk) are placed within 10mm of the supply pins. Use the internal 8MHz oscillator with PLL to avoid external crystal cost, or attach a 20MHz crystal at the OSC1/OSC2 pins if precise timing is required. The /MCLR reset pin should be pulled high through a 10k resistor to VDD for clean power-on reset behavior.
This page synthesizes distributor stock and pricing, drop-in compatible alternatives within the PIC18F family, and practical design notes not collated in the standalone manufacturer datasheet.
Alternativas directas para PIC18F4610-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 PIC18F4610-I/P (mismo factor de forma y huella) — difiere en Timers, ADC, Package, Program Memory (Flash), Operating Temperature.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
PIC18F4610-E/P
✅ Sustitución directa✓ En stock
$5.9 / unidad
Ver hoja de datos →PIC18F4510-I/P
✅ Sustitución directa✓ En stock
$5.27 / unidad
Ver hoja de datos →PIC18F4520-I/P
✅ Sustitución directa✓ En stock
$5.35 / unidad
Ver hoja de datos →PIC18F4620-I/P
✅ Sustitución directa✓ En stock
$5.08 / unidad
Ver hoja de datos →PIC18F4580-I/P
✅ Sustitución directa✓ En stock
$5.1 / unidad
Ver hoja de datos →PIC18F458-I/P
✅ Sustitución directa✓ En stock
$7.45 / unidad
Ver hoja de datos →PIC18F4610-I/P Valores máximos y características eléctricas
| Family | PIC18F |
| Core | 8-bit PIC18 RISC |
| Program Memory (Flash) | 64 KB (32K x 16) |
| Data RAM | 3968 bytes |
| Data EEPROM | 1024 bytes |
| Maximum CPU Speed | 40 MHz |
| Operating Voltage (VDD) | 2.0 V to 5.5 V |
| I/O Pins | 36 |
| ADC | 10-bit, up to 13 channels |
| Timers | 2x 8-bit + 3x 16-bit |
| PWM/CCP | 2 CCP (1 ECCP) |
| Communication | 2x EUSART, MSSP (SPI/I2C) |
| Comparators | 2 analog comparators |
| Encapsulado | 40-pin PDIP (DIP-40) |
| Temperatura de funcionamiento | -40C to +85C (Industrial, -I) |
| Tipo de montaje | Through-Hole (DIP) |
| Estado RoHS | Compliant |
| Programming Interface | ICSP (In-Circuit Serial Programming) |
Configuración de pines de PIC18F4610-I/P
| Pin 1 | MCLR/RE3 — Master Clear reset input / RE3 digital input |
| 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 — PORTA bit 5 / analog input 4 |
| Pin 8 | RE0/RD — PORTE bit 0 / parallel slave port RD |
| Pin 9 | RE1/WR — PORTE bit 1 / parallel slave port WR |
| Pin 10 | RE2/CS — PORTE bit 2 / parallel slave port CS |
| Pin 11 | VDD — Positive supply voltage (2.0V to 5.5V) |
| Pin 12 | VSS — Ground reference |
| Pin 13 | OSC1/CLKI — Crystal oscillator input / external clock |
| Pin 14 | OSC2/CLKO — Crystal oscillator output |
| Pin 15 | RC0/T1OSO — PORTC bit 0 / Timer1 oscillator output |
| Pin 16 | RC1/T1OSI — PORTC bit 1 / Timer1 oscillator input |
| Pin 17 | RC2/CCP1 — PORTC bit 2 / CCP1 PWM output |
| Pin 18 | RC3/SCL/SCK — PORTC bit 3 / I2C SCL / SPI SCK |
| Pin 19 | RD0 — PORTD bit 0 |
| Pin 20 | RD1 — PORTD bit 1 |
| Pin 21 | RD2 — PORTD bit 2 |
| Pin 22 | RD3 — PORTD bit 3 |
| Pin 23 | RC4/SDI/SDA — PORTC bit 4 / SPI SDI / I2C SDA |
| Pin 24 | RC5/SDO — PORTC bit 5 / SPI SDO |
| Pin 25 | RC6/TX/CK — PORTC bit 6 / EUSART TX / clock |
| Pin 26 | RC7/RX/DT — PORTC bit 7 / EUSART RX / data |
| Pin 27 | RD4 — PORTD bit 4 |
| Pin 28 | RD5 — PORTD bit 5 |
| Pin 29 | RD6 — PORTD bit 6 |
| Pin 30 | RD7 — PORTD 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/INT3 — PORTB bit 3 / external interrupt 3 |
| Pin 37 | RB4 — PORTB bit 4 |
| Pin 38 | RB5 — PORTB bit 5 |
| Pin 39 | RB6/PGC — PORTB bit 6 / ICSP clock |
| Pin 40 | RB7/PGD — PORTB bit 7 / ICSP data |
Aplicaciones típicas
PIC18F4610-I/P es adecuado para 6 aplicacións: Industrial Control Panel, HVAC Thermostat Controller, USB-to-UART Bridge Module, Sensor Data Acquisition Front-End, Educational Development Platform, Legacy Through-Hole Repair / Drop-In Replacement.
Industrial Control Panel
The PIC18F4610-I/P fits industrial control panel designs thanks to its 36 I/O pins, 10-bit ADC, and 40-pin PDIP through-hole package that simplifies prototyping and field replacement. Its 64KB Flash accommodates state-machine logic plus display/menu code in C, while 3968 bytes of RAM handles modest data buffers for sensor sampling at the panel rate. The 40 MHz CPU delivers 10 MIPS - sufficient for multiplexed 7-segment scanning, debounced keypads, and Modbus RTU over the integrated EUSART. The industrial -40C to +85C rating matches factory floor environments, and the robust ICSP programming interface allows in-system firmware updates without removing the MCU from the panel.
Recomendado
HVAC Thermostat Controller
The PIC18F4610-I/P is well-suited to HVAC thermostat designs where 36 I/O pins drive LCD segments, keypad inputs, relay controls, and NTC thermistor conditioning through the 10-bit ADC. The 13-channel ADC scans indoor/outdoor/humidity/coil sensors sequentially, while two CCP/ECCP modules generate PWM for variable-speed fan or modulating damper control. The 64KB Flash comfortably hosts user-interface state code plus scheduling algorithms, and nanoWatt sleep modes extend battery life during power-loss thermostat operation. The industrial temperature rating covers attic and equipment-room deployment, and the 40-pin PDIP package simplifies serviceability - a failed MCU can be socketed and replaced without reflow.
Recomendado
USB-to-UART Bridge Module
For USB-to-UART bridge modules the PIC18F4610-I/P can host a software USB stack using the internal comparator and 36 I/O pins; the 40 MHz CPU and 64KB Flash fit the CDC class driver plus application protocol glue. The two integrated EUSARTs enable simultaneous bridge to two UART devices, while MSSP provides an SPI or I2C channel for downstream sensors or displays. Industrial temperature rating plus through-hole PDIP simplify field deployment in industrial gateways, and ICSP programming enables bootloader-equipped firmware updates over USB itself.
Recomendado
Sensor Data Acquisition Front-End
The PIC18F4610-I/P serves sensor data acquisition front-ends that need to condition, sample, and forward measurements from multiple analog and digital sensors. Its 13-channel 10-bit ADC multiplexes thermocouple, pressure, and flow signals, while 64KB Flash and 3968 bytes of RAM support local buffering plus averaging algorithms. Two EUSARTs and one MSSP simultaneously drive RS-485 to a controller and an I2C local sensor bus, with two CCP/ECCP modules generating timing waveforms for sensor excitation. The industrial temperature rating is appropriate for outdoor or industrial cabinets, and the 40-pin PDIP package is friendly to legacy chassis wiring.
Recomendado
Educational Development Platform
The PIC18F4610-I/P remains a popular PIC18 educational development platform because the 40-pin PDIP form factor drops directly into breadboards, trainer boards, and socketed development kits. The 64KB Flash, 3968-byte RAM, and rich peripheral set (ADC, PWM, EUSART, MSSP, comparators) are sufficient to teach timers, interrupts, ADC sampling, and serial communication in a single semester. MPLAB X IDE plus the free MPLAB XC8 compiler provides a complete C toolchain, while the PICkit 5 supports both in-circuit debugging and ICSP programming directly on the trainer board. Industrial temperature rating is overkill for classrooms but ensures parts survive handling and ESD.
Recomendado
Legacy Through-Hole Repair / Drop-In Replacement
The PIC18F4610-I/P is a frequent drop-in replacement for legacy through-hole MCU designs where original parts have gone EOL. The 40-pin PDIP package matches sockets used on legacy boards, and the standard PIC18 pinout (with RA0-RA7, RB0-RB7, RC0-RC7, RD0-RD7, RE0-RE2) preserves port assignments across the F4510/F4520/F4580/F458/F4620 family. Designers upgrading legacy firmware gain doubled Flash and RAM versus older 40-pin PIC18 devices, while retaining the original ICSP programming test points. The industrial temperature range plus the wide 2.0V-5.5V VDD tolerance match older analog supply rails.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para PIC18F4610-I/P — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | PIC18F4610-E/P | PIC18F4510-I/P | PIC18F4520-I/P | PIC18F4620-I/P | PIC18F4580-I/P |
|---|---|---|---|---|---|---|
| Package | 40-pin PDIP | 40-pin PDIP - same | 40-pin PDIP - same | 40-pin PDIP - same | 40-pin PDIP - same | 40-pin PDIP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 64 KB | 64 KB | 32 KB | 32 KB | 64 KB | 32 KB |
| Data RAM | 3968 B | 3968 B | 2048 B | 1536 B | 3968 B | 1536 B |
| EEPROM | 1024 B | 1024 B | 0 B | 1024 B | 1024 B | 256 B |
| Maximum CPU Speed | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| Key Additional Peripheral | ECCP, MSSP | ECCP, MSSP (same) | ECCP, MSSP (same) | ECCP, MSSP (same) | ECCP, MSSP (same) | CAN 2.0B (added) |
Diferenciadores clave
- Largest Flash in the 40-pin PIC18F4x family at low cost (frente a PIC18F4510-I/P)
- Industrial temperature rating with standard Flash density (frente a PIC18F4610-E/P)
- Standard PIC18 peripheral set without CAN overhead (frente a PIC18F4580-I/P)
Notas de diseño
Place a 100nF ceramic decoupling capacitor within 5mm of each VDD/VSS pin pair (pins 11/12 and pins 31/32), plus a 10uF bulk tantalum or ceramic near the MCU. The PIC18F4610 draws brief current spikes during Flash write/erase cycles up to 25mA - the bulk cap prevents VDD droop during in-circuit programming operations.
The MCLR pin (pin 1) is shared with RE3 as a digital input only - it cannot be configured as a general output. Pull MCLR high through a 10k resistor to VDD; do not tie it directly to VDD, as the ICSP programmer needs to drive it low to enter programming mode. Leaving MCLR floating causes erratic resets in noisy environments.
Keep analog input traces (RA0-RA5, RE0-RE2) short and away from digital switching signals to minimize ADC noise coupling. Use a separate analog ground island that joins the digital ground at a single point near the MCU VSS pin. If using an external ADC reference on RA3/VREF+, add a 100nF bypass cap directly at the pin.
When using the 40 MHz oscillator mode with a 20 MHz crystal at OSC1/OSC2, add 22pF load capacitors on each pin to ground. For low EMI designs or to save BOM cost, enable the internal 8 MHz oscillator with HS-PLL for 32 MHz CPU, eliminating the crystal entirely at minor power-cost overhead.
Información de cumplimiento
RoHS compliant per Microchip product page. Lead-free /Pb-free PDIP package. Not AEC-Q100 qualified - for automotive choose PIC18F4610-E/P or PIC18F458-I/P automotive variants.
