PIC18F4610-E/PT - 8-Bit 25MHz MCU 64KB Flash 44-TQFP | Microchip
MPN: PIC18F4610-E/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.5 | $7.50 |
| 10 | $6.95 | $69.50 |
| 100 | $6.2 | $620.00 |
| 500 | $5.5 | $2,750.00 |
| 1,000 | $4.95 | $4,950.00 |
PIC18F4610-E/PT Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and programmable I/O peripherals on one die. The PIC18 family is Microchip's high-performance 8-bit architecture family with 16-bit wide instructions, RISC-style instruction set, and advanced peripherals such as CAN, USB, and enhanced capture/compare modules. MCUs belong to the broader category of embedded processors -> microcontrollers -> 8-bit microcontrollers -> PIC microcontrollers -> PIC18F microcontrollers. They serve as the central control element in countless embedded systems, executing firmware that drives I/O and peripherals.
Key features of the PIC18F4610-E/PT include 36 digital I/O lines capable of sinking/sourceing up to 25 mA each, multiple communication peripherals (UART, SPI, I2C), a 10-bit A/D converter with up to 13 input channels, four timer modules, and a Capture/Compare/PWM (CCP) module. The E suffix indicates an extended temperature grade of -40C to +125C. The nanoWatt technology dynamically manages CPU clocking and peripheral operation to reduce active and idle current consumption, suiting battery-powered and power-sensitive designs.
Technically, the PIC18F4610 uses a 16-bit modified Harvard architecture with separate program and data buses, an internal PLL option for flexible oscillator configurations, and an enhanced instruction set with multiply support. The Flash memory supports self-programming and ICSP (In-Circuit Serial Programming) for field firmware updates.
Typical applications include industrial automation controllers, automotive body and climate control modules, consumer appliances, security and access control panels, and sensor-interface boards. Its extended temperature range and robust peripheral set make it suitable for harsh-environment embedded designs.
When designing with this device, ensure the supply voltage remains within 4.2V to 5.5V and use proper decoupling (typically 100 nF + 10 uF) near the VDD pins. Configure the configuration bits correctly for oscillator source and watchdog settings.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for PIC18F4610-E/PT — 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 PIC18F4610-E/PT (same form factor and footprint) — differing in Package, Operating Temperature, Program Memory (Flash), Timers, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC18F4610-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$6.1 / Unit
View Datasheet →PIC18F4610-E/P
✅ Drop-In✓ In Stock
$5.9 / Unit
View Datasheet →PIC18F4580-E/PT
✅ Drop-In✓ In Stock
$3.21 / Unit
View Datasheet →PIC18F4585-I/PT
✅ Drop-In✓ In Stock
$5.73 / Unit
View Datasheet →PIC18F4525-I/PT
✅ Drop-In✓ In Stock
$4.18 / Unit
View Datasheet →PIC18F4523-I/PT
✅ Drop-In✓ In Stock
$3.25 / Unit
View Datasheet →PIC18F4610-E/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC18 (8-bit) |
| CPU Speed | 25 MHz |
| Program Memory | 64 KB Flash (32K x 16) |
| RAM | 3.8 KB |
| I/O Pins | 36 |
| Supply Voltage | 4.2 V to 5.5 V |
| A/D Converter | 10-bit, up to 13 channels |
| Communication | UART, SPI, I2C |
| Timers | 4 (Timer0/1/2/3) |
| CCP/ECCP Modules | Yes |
| Package | 44-TQFP (PT), 10x10 mm |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +125C (Extended, 'E' suffix) |
| RoHS Status | Compliant |
| Lead-Free | Yes |
| nanoWatt Power Management | Yes |
| ICSP Programming | Yes |
PIC18F4610-E/PT Pin Configuration
| Pin 1 | RG3 — Port G bit 3 (digital I/O) |
| Pin 2 | RG4 — Port G bit 4 (digital I/O, also CCP5) |
| Pin 3 | RA0 — Port A bit 0 / AN0 (analog input 0) |
| Pin 4 | RA1 — Port A bit 1 / AN1 |
| Pin 5 | RA2 — Port A bit 2 / AN2 / VREF- |
| Pin 6 | RA3 — Port A bit 3 / AN3 / VREF+ |
| Pin 7 | RA4 — Port A bit 4 / T0CKI |
| Pin 8 | RA5 — Port A bit 5 / AN4 / SS |
| Pin 9 | RE0 — Port E bit 0 / AN5 / RD |
| Pin 10 | RE1 — Port E bit 1 / AN6 / WR |
| Pin 11 | RE2 — Port E bit 2 / AN7 / CS |
| Pin 12 | VDD — Positive supply (4.2V-5.5V) |
| Pin 13 | VSS — Ground reference |
| Pin 14 | OSC1 — Oscillator input / CLKIN |
| Pin 15 | OSC2 — Oscillator output / CLKOUT |
| Pin 16 | RC0 — Port C bit 0 / T1OSO / T13CKI |
| Pin 17 | RC1 — Port C bit 1 / T1OSI / CCP2 |
| Pin 18 | RC2 — Port C bit 2 / CCP1 |
| Pin 19 | RC3 — Port C bit 3 / SCL |
| Pin 20 | RC4 — Port C bit 4 / SDA |
| Pin 21 | RC5 — Port C bit 5 / SDO |
| Pin 22 | RC6 — Port C bit 6 / TX / CK |
| Pin 23 | RC7 — Port C bit 7 / RX / DT |
| Pin 24 | RD0 — Port D bit 0 / PSP0 |
| Pin 25 | RD1 — Port D bit 1 / PSP1 |
| Pin 26 | RD2 — Port D bit 2 / PSP2 |
| Pin 27 | RD3 — Port D bit 3 / PSP3 |
| Pin 28 | RB0 — Port B bit 0 / INT0 |
| Pin 29 | RB1 — Port B bit 1 / INT1 |
| Pin 30 | RB2 — Port B bit 2 / INT2 |
| Pin 31 | RB3 — Port B bit 3 / INT3 / CCP2 |
| Pin 32 | RB4 — Port B bit 4 / KBI0 |
| Pin 33 | RB5 — Port B bit 5 / KBI1 / PGM |
| Pin 34 | RB6 — Port B bit 6 / KBI2 / PGC |
| Pin 35 | RB7 — Port B bit 7 / KBI3 / PGD |
| Pin 36 | RF0 — Port F bit 0 / AN6 |
| Pin 37 | RF1 — Port F bit 1 / AN7 / C2OUT |
| Pin 38 | RF2 — Port F bit 2 / AN8 |
| Pin 39 | RF3 — Port F bit 3 / AN9 |
| Pin 40 | RF4 — Port F bit 4 / AN10 |
| Pin 41 | RF5 — Port F bit 5 / AN11 |
| Pin 42 | RF6 — Port F bit 6 / AN12 |
| Pin 43 | RF7 — Port F bit 7 / AN13 |
| Pin 44 | MCLR — Master Clear (reset) input |
Typical Applications
PIC18F4610-E/PT is suitable for 6 applications: Industrial Automation Controller, Automotive Body Control Module, Consumer Appliance Control Board, Security and Access Control Panel, Sensor Interface and Data Acquisition Module, HVAC Climate Control Unit.
Industrial Automation Controller
The PIC18F4610-E/PT fits industrial automation controllers because its 64 KB Flash and 3.8 KB RAM can host complex state machines, Modbus RTU stacks, and PID control loops. The 36 I/O lines (each rated 25 mA sink/source) directly drive relay coils, opto-isolators, and 24V industrial sensors after simple buffering. The 10-bit ADC with 13 input channels handles multiple analog sensor inputs - temperature, pressure, and level - for closed-loop control. The 44-TQFP footprint is standard for industrial PLC and HMI sub-modules, while the -40C to +125C extended temperature grade ensures reliable operation in factory-floor cabinets and outdoor enclosures.
Recommended
Automotive Body Control Module
For automotive body control (BCM) applications such as door-lock controllers, seat-position memory, and climate-control panels, the PIC18F4610-E/PT delivers the extended -40C to +125C temperature range mandated by AEC-Q100-style automotive specifications. Its 64 KB Flash accommodates full LIN 2.x or KWP2000 protocol stacks plus diagnostic service routines, while the four hardware timers handle PWM-driven motor control (window lifts, mirror adjusters). The 44-TQFP surface-mount package withstands vibration better than DIP alternatives. For networked body control requiring CAN bus, drop in the PIC18F4580-I/PT, which shares the same footprint and adds CAN 2.0B.
Recommended
Consumer Appliance Control Board
The PIC18F4610-E/PT is widely used in washing machines, dishwashers, refrigerators, and microwave ovens as the main control MCU. Its 64 KB Flash stores user-interface firmware, motor-control algorithms, and safety monitoring code, while the enhanced 10-bit ADC reads temperature sensors, water level probes, and motor current feedback. The nanoWatt power-management modes drop idle current below 1 uA, suiting ENERGY STAR standby requirements. The 25 MHz core comfortably handles BLDC or universal-motor commutation routines. The 44-TQFP footprint suits compact control boards where space is at a premium.
Recommended
Security and Access Control Panel
The PIC18F4610-E/PT is well-suited to security panels, alarm systems, and access-control keypads because of its 36 I/O lines that interface directly with magnetic-reed door contacts, PIR motion sensors, sirens, and keypad matrices. The 64 KB Flash holds multi-zone alarm logic plus EEPROM-backed event logs (using the Flash self-programming for non-volatile parameter storage). UART peripherals interface with GSM/GPRS modules for remote alerting, while SPI drives dot-matrix LCD displays. The extended temperature rating ensures reliability in unheated warehouses and outdoor security kiosks.
Recommended
Sensor Interface and Data Acquisition Module
The PIC18F4610-E/PT acts as a sensor-interface hub in industrial data acquisition modules, where its 13-channel 10-bit ADC multiplexes multiple analog sensors - thermocouples, strain gauges, flow meters - into a single conversion pipeline. The 25 MHz core processes linearization math, calibration offsets, and SCPI command parsing for RS-232/RS-485 host links via the UART peripheral. The 64 KB Flash holds lookup tables for sensor compensation across the -40C to +125C range, while the TQFP-44 footprint enables compact 4-layer PCB layouts commonly used in DAQ modules.
Recommended
HVAC Climate Control Unit
In HVAC climate-control boards the PIC18F4610-E/PT runs the closed-loop temperature-control algorithm, fan-speed PWM outputs (via the ECCP module), and user-interface handling for thermostats. The PIC18 core's 25 MHz speed provides sufficient headroom for proportional-integral control loops scanning up to 16 temperature zones, while the 64 KB Flash stores seasonal scheduling, energy-usage logs, and Modbus communication stacks. The 44-TQFP surface-mount package supports conformal-coated boards that operate reliably in damp mechanical rooms across the -40C to +125C extended range.
Recommended
Recommended Products Summary
Engineering reference data for PIC18F4610-E/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC18F4610-I/PT | PIC18F4580-E/PT | PIC18F4585-I/PT | PIC18F4525-I/PT | PIC18F4523-I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-TQFP (PT) 10x10 mm | 44-TQFP (PT) 10x10 mm - same | 44-TQFP (PT) 10x10 mm - same | 44-TQFP (PT) 10x10 mm - same | 44-TQFP (PT) 10x10 mm - same | 44-TQFP (PT) 10x10 mm - same |
| Program Memory (Flash) | 64 KB | 64 KB | 32 KB | 48 KB | 48 KB | 32 KB |
| RAM | 3.8 KB | 3.8 KB | 1.5 KB | 3.3 KB | 3.8 KB | 1.5 KB |
| CPU Speed | 25 MHz (40 MHz on non-E variants) | 40 MHz | 25 MHz | 40 MHz | 40 MHz | 40 MHz |
| CAN Peripheral | No | No | Yes (CAN 2.0B) | Yes (CAN 2.0B) | No | No |
| Operating Temperature | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| A/D Converter | 10-bit, 13 channels | 10-bit, 13 channels | 10-bit, 8 channels | 10-bit, 11 channels | 10-bit, 13 channels | 12-bit, 13 channels |
Key Differentiators
- Highest Flash density in PIC18F46xx TQFP-44 family (vs PIC18F4525-I/PT)
- Extended temperature grade vs industrial-only alternatives (vs PIC18F4610-I/PT)
- 13 ADC channels vs 8-11 channels in CAN-equipped siblings (vs PIC18F4580-E/PT)
- Largest RAM in PIC18F4xxx TQFP-44 family (vs PIC18F4523-I/PT)
Design Notes
Decouple each VDD/VSS pair with a 100 nF ceramic capacitor placed within 5 mm of the pin, plus a bulk 10 uF tantalum or ceramic near the device. The PIC18F4610-E/PT draws peaks of ~30 mA during Flash programming, so the bulk cap prevents VDD sag that can cause programming failures. Use separate analog (AVDD) and digital supply traces, joined at a single point, when the on-chip ADC is active.
Route the ICSP signals (PGC/PGD/MCLR/VPP) away from high-current switching traces to avoid programming glitches. Place the MCLR pull-up (typically 10 kohm) close to the pin, and provide a low-impedance path to ground for the VPP capacitor during in-circuit programming. For TQFP-44, use 0.5 mm pitch fanout to inner layers to minimize via stubs.
Do not exceed 5.5 V on VDD - the PIC18F4610-E/PT does not have internal clamps that survive sustained over-voltage. Configuration bits must be set correctly at programming time; an unprogrammed device ships with the watchdog enabled and RC oscillator selected, which can cause 'dead on arrival' boards. Always verify configuration bits match your oscillator, watchdog, and brown-out settings before release.
The 44-TQFP package introduces lead-frame inductance that can affect ADC accuracy above ~50 kHz conversions. Use a separate analog ground plane under the analog pins (RA0-RA5, RE0-RE2, RF0-RF7) tied to digital ground at a single point. Add a 100 nF + 10 uF cap pair on AVDD to suppress switching noise coupling into the ADC reference.
Compliance Information
RoHS compliant per DigiKey listing (verified 2026-09-28). AEC-Q100 not formally listed for this part number - refer to PIC18F4580-E/PT for automotive-qualified variants.