Circuits intégrés

PIC18F2431-E/SP

PIC18F2431-E/SP - 8-bit 40MHz 16KB Flash MCU | Microchip

The Microchip Technology PIC18F2431-E/SP is an 8-bit PIC18 microcontroller running up to 40 MHz with 16 KB of enhanced Flash program memory and 768 bytes of RAM, housed in a 28-pin SPDIP (0.300-inch, skinny plastic DIP) through-hole package. The part operates across a 4.2 V to 5.5 V supply range, offers up to 25 digital I/O pins, integrates a 10-bit A/D converter, and includes a high-performance PWM module with complementary outputs targeted at motor control. The "-E" temperature grade indicates the extended -40 C to +125 C industrial operating range, while the "/SP" suffix identifies the 28-pin SPDIP package. A PIC18 microcontroller is a member of Microchip's 8-bit PIC (Peripheral Interface Controller) RISC architecture family, with the PIC18 sub-family adding enhanced Flash, hardware multiply, and 16-bit instruction support for computationally demanding embedded tasks. The PIC18F2431 belongs to the PIC18F2331/2431/4331/4431 family - 28/40/44-pin variants of the same silicon with progressively more I/O. These MCUs sit in the broader hierarchy: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor IC. Key features include 16 KB (8K x 16) Flash program memory with nanoWatt Technology power management, 768 bytes of RAM, 256 bytes of EEPROM, an enhanced 10-bit A/D converter with up to 9 channels on the 28-pin variant, a 14-bit resolution Power Control PWM module with up to 6 channels (3 complementary pairs), a Capture/Compare/PWM (CCP) module, two USART modules, an MSSP module for SPI / I2C, and a 16-bit timer/counter. The PIC18F2431 also provides five 8-bit timers and one 16-bit timer, watchdog timer, in-circuit debug capability, and an extended instruction set. The PIC18F2431 architecture is built on Microchip's enhanced Harvard RISC core with 16-bit instructions and an 8-bit data path, supporting DC to 40 MHz operation (10 MIPS at 40 MHz). nanoWatt Technology dynamic power management, plus multiple low-power modes (idle, sleep, and oscillator switching) typically reduce operating current to a few mA active and below 1 uA in sleep. The motor-control-oriented PWM is the differentiator versus ordinary PIC18F parts - it drives 3-phase BLDC or 4-phase stepper bridges with dead-band control and center-aligned PWM. Typical applications include 3-phase BLDC and PMSM motor drives, brushless DC fan and pump controllers, HVAC damper and valve actuators, small appliance motor control, and sensor signal conditioning with integrated ADC. The part is also used in industrial control, LED lighting drivers, and uninterruptible power supply control loops where deterministic PWM timing is required. Developers typically pair it with MPLAB X IDE and the XC8 compiler, programming in-circuit through ICSP. When designing with the PIC18F2431-E/SP, observe the maximum 40 MHz Fosc limit and configure CONFIG bits for the oscillator mode, watchdog, low-voltage programming, and code protection before code generation. Decouple VDD/VSS with at least 100 nF + 10 uF bulk capacitance near the package, keep the MCLR pull-up weak if ICD is used, and reserve an ICP / ICSP header for field updates.

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PIC18F2431-I/SO

PIC18F2431-I/SO - 40MHz 8-Bit MCU, 16KB Flash, Motor-Control PWM | Microchip

The Microchip Technology PIC18F2431-I/SO is an 8-bit PIC18 family microcontroller running up to 40 MHz with 16 KB (8K x 16) of Flash program memory, 768 bytes of RAM, and 256 bytes of EEPROM, housed in a 28-pin SOIC (SO) package. It integrates a 10-bit A/D converter, a dedicated 14-bit resolution Power-Control PWM module, and hardware fault-protection logic specifically engineered for variable-speed motor control loops. According to the Microchip product page, the device is currently In Production and supported by the MPLAB XC8 toolchain and ICD-series in-circuit debuggers. A PIC18F-series 8-bit microcontroller is a RISC-architecture CMOS device that executes one instruction every four oscillator cycles, achieving up to 10 MIPS throughput at 40 MHz. The 'F' in PIC18F denotes Flash program memory, allowing in-system self-programming. Within Microchip's taxonomy this part sits at: PIC18F2xxx family -> PIC18F motor-control sub-family -> PIC microcontroller -> 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. It is the successor generation to the PIC16C/F motor-control line, adding nanoWatt power-management modes and an enhanced PWM peripheral that simplifies BLDC, PMSM, and AC-induction drive firmware. Key features include 22 digital I/O pins with peripheral pin select flexibility, a 10-bit ADC with up to 9 input channels, two CCP modules plus the dedicated Power-Control PWM, an Enhanced USART, MSSP for SPI/I2C, two analog comparators, and a four-stage hardware dead-band generator. The 28-SOIC footprint offers an exposed thermal path via the die-attached paddle and operates across the industrial -40C to +85C range. Architecturally the device pairs a Harvard-memory RISC core with on-chip oscillator options up to 40 MHz including a 32 kHz secondary low-power source. The motor-control PWM block supports center-aligned, edge-aligned, and variable-frequency modes with programmable dead time and automatic shutdown on overcurrent faults, eliminating most discrete analog timing components. Typical applications include sensorless BLDC fan and pump drives, small PMSM servo amplifiers, brushed-DC H-bridge controllers, switched-mode power supply PFC stages, and LED driver current regulators where the high-resolution PWM doubles as a high-side/low-side FET control waveform. A practical design tip is to allocate the FLTA, PWM, and fault pins near the connector that drives the gate-driver stage and to follow Microchip AN1078 sensorless BLDC firmware guidelines when transitioning legacy PIC16 designs. This page synthesizes distributor pricing, drop-in alternatives within the SOIC-28 footprint, and practical design considerations not consolidated in the manufacturer datasheet itself.

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PIC18F2431-I/SP

PIC18F2431-I/SP - 8-bit MCU, 16KB Flash, 40MHz, Motor Control PWM | Microchip

The Microchip PIC18F2431-I/SP is an 8-bit PIC18 family microcontroller in a 28-pin SPDIP (Skinny Plastic DIP) package, designed for high-performance motor control and power-conversion applications. It integrates 16KB of Enhanced Flash program memory, 768 bytes of RAM, and a maximum CPU clock of 40 MHz, while operating from a 4.2 V to 5.5 V supply. The device features a Power Control PWM module with 8 channels, a Motion Feedback Module with Quadrature Encoder Interface, a 200 ksps 10-bit ADC, an 8 MHz internal oscillator, LIN-capable USART, and self-programming support. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path that executes instructions fetched from on-chip program memory. PIC microcontrollers use a RISC architecture with a single accumulator (WREG) and a Harvard memory structure, placing them in the broader category of microcontrollers -> embedded processors -> semiconductors. The PIC18 family is Microchip's mid-to-high-performance 8-bit line, distinguished from the PIC16 line by 16-bit opcodes, a wider instruction set, and richer peripheral integration for closed-loop control. Key features of the PIC18F2431 include 25 I/O ports, three 16-bit timer/counters, dual analog comparators, a 10-bit ADC with up to 8 input channels, and nanoWatt power management for reduced sleep current. The integrated Power Control PWM module supports complementary outputs with programmable dead-band and hardware fault inputs, which simplifies three-phase motor drive design. The Motion Feedback Module captures quadrature encoder signals in hardware, offloading speed and position calculation from the CPU. Typical applications include sensorless and sensored BLDC motor drives, AC induction motor control, switched-mode power supplies with digital PFC, and industrial automation where deterministic PWM timing is required. The wide operating range of -40C to +85C (industrial) and LIN support suit automotive body and convenience subsystems as well as white goods. When designing with this device, pay close attention to the PWM output mapping and dead-band configuration - the PIC18F2431 and PIC18F4431 share the same peripheral set but differ in pin count (28-pin vs 44-pin). Place a 100 nF decoupling capacitor adjacent to each VDD/VSS pair and follow Microchip AN1078 for sensorless BLDC reference firmware. This page synthesizes distributor pricing, drop-in alternative MPNs from the same PIC18F2x/4x family, and practical design notes not collected in the manufacturer datasheet.

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PIC18F2431T-I/ML

PIC18F2431T-I/ML - 8-Bit 40MHz MCU, 16KB Flash, 28-QFN | Microchip

The Microchip Technology PIC18F2431T-I/ML is a high-performance 8-bit PIC18 microcontroller with 40 MHz maximum clock speed, 16 KB (8K x 16) of enhanced Flash program memory, 768 bytes of SRAM, and 256 bytes of EEPROM, housed in a 28-pin QFN (6x6 mm) package. The 'T' suffix denotes tape-and-reel packaging and the 'I' grade indicates the industrial temperature range of -40C to +85C. It belongs to Microchip's enhanced PIC18 family that integrates dedicated motor-control peripherals, a 14-bit resolution Power Control PWM module, and a 10-bit A/D converter with up to 9 channels of high-speed analog sampling. An 8-bit PIC microcontroller is a Harvard-architecture RISC processor widely used in embedded control applications. Within the broader taxonomy, PIC18 sits above base-line PIC10/12/16 and below the 16-bit dsPIC and 32-bit PIC32 families, forming the high-end tier of Microchip's 8-bit portfolio. These devices balance deterministic real-time response with low power consumption through Microchip's nanoWatt technology, making them a common choice for cost-sensitive applications requiring on-chip peripherals like PWM, ADC, and communication interfaces. Key features of the PIC18F2431 include 25 general-purpose I/O pins, four timer modules, a 10-bit A/D converter with up to 9 input channels, an enhanced USART, an SPI/I2C-compatible master synchronous serial port, and a high-performance 14-bit PWM with complementary outputs and dead-band control. The 40 MHz internal oscillator supports instruction cycle times as low as 100 ns, while nanoWatt power management provides multiple idle and sleep modes that reduce quiescent current to the microampere range, extending battery life in portable designs. The device integrates Microchip's Power Control PWM (PCPWM) module with three complementary output pairs, fault inputs, and a 14-bit duty-cycle resolution. This dedicated peripheral eliminates the need for external motor-control logic and is one of the differentiators that positions the PIC18F2431 for driving 3-phase brushless DC (BLDC) motors, switched reluctance motors, and uninterruptible power supplies where tight PWM timing is required. Typical applications include 3-phase BLDC motor control, sensorless fan and pump drives, digital switching power supplies, UPS systems, and industrial automation loops. The combination of 16 KB self-programmable Flash, on-chip EEPROM for parameter storage, and 25 I/O pins supports closed-loop control of small motors in white goods, ceiling fans, and small appliances. When designing with this device, ensure the QFN-28 thermal pad is properly soldered to a sufficiently large copper pour to keep junction temperature within the industrial range under full CPU and PWM load. The internal oscillator accuracy of +/-2% is adequate for UART communication at standard baud rates; for higher-precision timing, an external crystal should be added on OSC1/OSC2. This page synthesizes distributor pricing, drop-in alternative candidates, and practical design notes not found in the manufacturer datasheet alone, giving engineers a single reference for sourcing and validating the PIC18F2431T-I/ML.

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PIC18F2431T-I/MM

PIC18F2431T-I/MM - 40MHz 8-bit MCU 16KB Flash 28-QFN | Microchip

The Microchip PIC18F2431T-I/MM is a high-performance 8-bit RISC PIC microcontroller built on the enhanced PIC18 architecture, delivering up to 10 MIPS at 40 MHz with 16 KB (8K × 16) of Flash program memory and 768 bytes of RAM in a 28-pin QFN-S (6 × 6 mm) package with exposed thermal pad. The device operates from 4.2 V to 5.5 V, integrates a 10-bit A/D converter with up to 9 channels, and includes the nanoWatt Technology power management family. A microcontroller (MCU) is a single-chip computer containing a CPU, program memory (Flash/ROM), data memory (RAM), and peripheral set (timers, ADC, communication interfaces). The PIC18F family specifically adds enhanced Flash architecture, hardware multiply, C-friendly instruction set, and 16-bit instruction word. Within the broader semiconductor hierarchy, the PIC18F2431T-I/MM belongs to: microcontroller → 8-bit MCU → Flash MCU → PIC18F enhanced family. It is tailored for sensorless brushless DC motor control and other high-performance embedded applications. Key features include 25 digital I/O pins, four timer modules (Timer0/1/2/3), a 40 MHz internal oscillator, ICSP (In-Circuit Serial Programming) debug support, and the Motion Feedback Module with Power Control PWM, ideal for variable-frequency drives. Its CMOS flash design supports >10,000 erase/write cycles and offers In-Circuit Debug capability via MPLAB ICD tools. The device architecture follows the Harvard model with separate program and data buses, 77 instructions, 8 × 8 hardware multiplier, and 31-level hardware stack. Its nanoWatt power management suite provides multiple idle/sleep modes, enabling ultra-low standby current for battery-aware designs. Typical applications include BLDC motor control (sensorless or hall-sensor commutation), uninterruptible power supplies (UPS), AC induction motor drives, HVAC blowers, and industrial pumps requiring high-speed control loops. Design consideration: The 'T' suffix designates tape and reel packaging; the 'I' after the speed grade indicates the industrial temperature range (-40°C to +85°C); 'MM' is the QFN-S 28-pin package code. This page synthesizes distributor pricing, drop-in alternatives, design notes, and pinout references that complement the Microchip datasheet for engineers specifying PIC18F2431-family parts.

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PIC18F2439-I/SP

PIC18F2439-I/SP - 8-bit Motor Control MCU, 12KB Flash | Microchip

The Microchip PIC18F2439-I/SP is an 8-bit PIC18 family microcontroller optimized for single-phase induction motor control, integrating 12 KB of Flash program memory, 640 bytes of SRAM, and 256 bytes of EEPROM in a 28-pin SPDIP package. It runs at up to 40 MHz delivering 10 MIPS throughput, operates from 4.2 V to 5.5 V, and exposes 21 digital I/O lines, a 10-bit ADC with multiple channels, two PWM modules, and a dedicated motor-control kernel. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path; the PIC18 family extends Microchip's baseline PIC16 architecture with a 16-bit instruction word, hardware multiplier, and linear (paged) memory map for higher code density. Within the broader taxonomy, the PIC18F2439 belongs to the PIC18F2xxx motor-control sub-family, which itself falls under the PIC18F high-performance group and ultimately under Microchip's 8-bit MCU portfolio. Engineers select this class when deterministic interrupt response, on-chip motor-control peripherals, and C-compiler friendly development outweigh the throughput advantage of 16-bit or 32-bit cores. Key features include the dedicated single-phase induction motor (SPIM) control kernel with auto-commutation, two 10-bit PWM channels with complementary outputs, a 10-bit ADC with 200 ksps conversion rate, nanoWatt power-saving modes, and ICD (In-Circuit Debugger) support. The 28-pin SPDIP package provides through-hole ease-of-prototyping while sharing the same silicon as the SOIC variant, allowing PCB layout reuse for production runs. The PIC18F2439 uses a Harvard RISC architecture with a 16-bit instruction word and an 8-bit data path, achieving most instructions in a single 4-cycle clock. On-chip peripherals are mapped through a linear SFR bank, and self-programming Flash enables in-application firmware upgrades. The motor-control kernel handles back-EMF zero-cross detection and auto-commutation timing in hardware, offloading critical loop tasks from the CPU. Typical applications include single-phase induction motor drives (washing machines, fans, pumps), appliance controls, ceiling-fan regulators, small HVAC blowers, and low-cost variable-speed tools. The wide 4.2 V to 5.5 V supply range allows direct operation from rectified 5 V rails. In production designs, the SOIC variant (PIC18F2439-I/SO) is preferred for SMT assembly while the SPDIP variant is reserved for breadboard and lab prototyping.

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PIC18F2439T-E/SO

PIC18F2439T-E/SO - 8-bit 12KB Flash MCU Motor Control | Microchip

The Microchip Technology PIC18F2439T-E/SO is an 8-bit enhanced Flash microcontroller in the PIC18F family, integrating 12 KB of Flash program memory (6K x 16), 40 MHz maximum operating frequency, and a sophisticated single-phase induction motor control kernel in a 28-pin SOIC wide-body (7.50 mm) package. The device targets appliance and industrial motor drive designs where deterministic PWM and integrated signal conditioning reduce external component count. What is a PIC18F microcontroller? PIC18F is Microchip's high-performance 8-bit Flash MCU family built on a Harvard RISC architecture with hardware multiplier. PIC18F parts occupy the middle of the 8-bit portfolio between baseline PIC10/12/16 and 16-bit dsPIC33 devices, balancing code density, peripheral integration, and C-compiler friendliness for cost-sensitive real-time control. The PIC18F2439 includes a dedicated Power Control PWM module with up to four PWM outputs, a 10-bit ADC with auto-sampling, a Capture/Compare/PWM (CCP) module, an enhanced USART, and a 4x phase-locked loop option for system clock flexibility. Three power-managed operating modes allow designers to trade switching frequency for quiescent current in standby. Integrated peripherals reduce BOM cost in fan, pump, and single-phase induction motor drive applications. Typical applications include single-phase induction motor control for white goods and HVAC blowers, ceiling fans and pumps, low-cost BLDC driver boards, sensor signal conditioning nodes, and general-purpose industrial control loops requiring deterministic 8-bit performance. When designing with this part, the T-suffix denotes tape-and-reel packaging, the E denotes the extended operating temperature grade (-40C to +125C), and the /SO indicates the 28-pin SOIC footprint. Validate the ICSP programming interface against the chosen in-circuit programmer, and confirm PWM dead-time and ADC acquisition timing against motor commutation requirements. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical motor-control design notes beyond the manufacturer datasheet excerpt.

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PIC18F2439T-I/SO

PIC18F2439T-I/SO - 12KB Flash 8-bit MCU | Microchip | Motor Control

The Microchip Technology PIC18F2439T-I/SO is an 8-bit microcontroller from the PIC18 family featuring 12KB of Flash program memory, 640 bytes of RAM, and 256 bytes of EEPROM, all housed in a 28-pin SOIC (SO) wide-body package. It integrates a dedicated single-phase induction motor control kernel, making it purpose-built for variable-frequency drive applications. The 'T' suffix denotes tape-and-reel packaging, and the '-I' industrial temperature grade supports -40C to +85C operation. An 8-bit microcontroller (MCU) is a small computer-on-a-chip integrating a CPU, memory, and peripherals on a single die. The PIC18 family sits in the upper tier of Microchip's 8-bit MCU portfolio, providing an enhanced 16-bit instruction word, linear memory addressing, and C-friendly architecture. The motor-control kernel adds hardware PWM, dead-band control, and phase commutation logic, placing it between a generic MCU and a dedicated motor-control DSP in capability. Key features include a maximum CPU clock of 40 MHz (10 MIPS), 21 general-purpose digital I/O pins, a 10-bit ADC with up to 5 channels, enhanced PWM with up to 3 channels, and a dedicated power-control PWM module. Communication peripherals include I2C, SPI, and USART (RS-485/RS-232 LIN support). The Capture/Compare/PWM (CCP) and Enhanced CCP modules deliver hardware dead-band generation ideal for half-bridge drives. Typical applications include single-phase induction motor drives, fan and pump controllers, washing-machine universal motor control, small appliance variable-speed drives, ceiling-fan controllers, and HVAC blower control. The integrated motor-control peripheral reduces firmware complexity and BOM cost by replacing external gate-driver timing logic. When designing with this part, ensure your firmware initializes the motor-control kernel registers correctly and that the brown-out reset voltage is configured for your power-rail characteristics. The wide-body SOIC package provides adequate thermal performance for industrial enclosures, but PCB layout must respect the analog and digital ground separation recommended in the datasheet.

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PIC18F2450-I/ML

PIC18F2450-I/ML - 8-bit USB MCU 16KB Flash 28-QFN | Microchip

The Microchip Technology PIC18F2450-I/ML is an 8-bit PIC18 microcontroller with integrated Full-Speed USB 2.0 (12 Mbit/s) interface, 16 KB Enhanced Flash program memory, 768 bytes SRAM, and 256 bytes EEPROM, housed in a 28-pin QFN (6x6 mm) package. The 'I' suffix denotes the industrial temperature grade (-40C to +85C), and '/ML' designates the ML package code (QFN-28 with thermal pad). Operating voltage is 4.2V to 5.5V (standard F variant) at up to 48 MHz oscillator (12 MIPS CPU throughput), with on-chip Full-Speed USB transceiver eliminating external USB chips. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (Flash), data memory (RAM/EEPROM), and programmable peripherals. The PIC18F family uses Microchip's enhanced 8-bit RISC architecture with 16-bit-wide instructions and Harvard memory organization, occupying the price/performance sweet spot for embedded control. Within that family, the PIC18F2450 adds a hardware USB 2.0 Full-Speed transceiver plus SIE (Serial Interface Engine), which is why engineers choose it for compact, single-chip USB peripherals such as HID-class input devices, CDC virtual COM ports, and USB firmware bootloaders. Key features include 23 digital I/O pins, nanoWatt power management with multiple sleep modes, two 8-bit and three 16-bit timers, two capture/compare/PWM modules, a 10-bit ADC with up to 13 input channels, a USART with enhanced address detection, an MSSP port for SPI/I2C master-slave operation, and on-chip 3.3V regulator for USB PHY supply. The 28-QFN package enables compact PCB layouts and provides a thermal pad for improved heat spreading during sustained USB VBUS-powered operation. The PIC18F2450 uses a 16-bit modified Harvard core with 8-bit data path, executing most instructions in one oscillator cycle (4-clock pipeline). The Enhanced Flash memory supports self-programming, enabling USB-based in-application firmware upgrades - the part can reflash itself without external programmer by enumerating as a USB HID class bootloader. Twelve oscillator modes (including HS, XT, LP, RC, INTIO, and PLL) plus the USB-specific 96 MHz PLL (48 MHz bus from a 4/8/16/20/24/40 MHz crystal) provide flexible clocking. Typical applications include USB HID peripherals (keyboards, mice, custom input devices), USB-to-UART bridge dongles (CDC virtual COM), low-cost USB development boards (compatible with PICDEM FS USB), USB-bootloader field-upgradable appliances, sensor interfaces that stream over USB, and consumer toys/printers/scanners where a USB cable is the only wired interface. The industrial temperature grade supports factory automation and outdoor industrial equipment. Design considerations: route the 48 MHz USB clock trace as a short, impedance-controlled 50-ohm microstrip over a continuous ground plane; place the VBUS decoupling capacitor as close as possible to pin 14; ensure the D+/D- traces are matched length and differential-90-ohm impedance per USB 2.0 FS specification; connect the exposed thermal pad to a solid ground pour for thermal relief and ground reference. The internal 3.3V USB regulator must have 220 nF + 470 nF ceramic caps on its output per the manufacturer datasheet. This page synthesizes distributor pricing, drop-in QFN-28 alternatives from Microchip's broader PIC18F USB family, and practical PCB design notes not aggregated on any single manufacturer or distributor page.

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PIC18F2450-I/SO

PIC18F2450-I/SO - 48MHz 8-bit USB MCU, 16KB Flash | Microchip

The Microchip Technology PIC18F2450-I/SO is an 8-bit PIC18 microcontroller featuring an integrated Full-Speed USB 2.0 (12 Mbit/s) interface, 16 KB of Enhanced Flash program memory, 768 bytes of RAM, and a 48 MHz internal oscillator that delivers up to 12 MIPS of CPU throughput. The device is offered in a 28-pin SOIC (SO) package and is designed for compact, single-chip embedded USB applications. An 8-bit microcontroller (MCU) is a programmable processor with an internal data path of 8 bits, well suited for control-oriented tasks that mix digital I/O, analog sensing, and protocol handling. Within the broader taxonomy, the PIC18F2450 belongs to the PIC18 family of microcontrollers, which in turn sits inside the Microchip MCU portfolio alongside PIC16, PIC24, dsPIC, and PIC32 architectures. It is a member of the USB-capable PIC18F2x50/4x50 sub-family, which adds an on-chip USB 2.0 Full-Speed peripheral and SIE (Serial Interface Engine) that would otherwise require an external chip. Key specifications include a 4.2 V to 5.5 V supply range (standard F-variant), 10-bit ADC with up to 9 input channels, 23 digital I/O pins, a USART, an MSSP (SPI/I2C) module, two 8-bit timers plus one 16-bit timer, a 256-byte dual-port RAM buffer dedicated to USB traffic, and nanoWatt power-management technology for low-power operation. The Enhanced Flash cell supports self-programming, which allows firmware upgrades in place over the USB bus without an external programmer. Technically, the PIC18F2450 uses a Harvard RISC architecture with a 16-bit instruction word, an 8-level hardware stack, and 31 interrupt sources. The USB SIE handles framing, CRC, packet ID, and address detection in hardware, freeing the CPU from low-level USB bit-banging. Code-protect and read-protect bits are supported on Flash and EEPROM regions to safeguard IP. Typical applications include USB HID peripherals such as custom input devices, USB-to-UART bridges, CDC-class USB nodes, low-cost USB data loggers, sensor readouts with a USB interface, and educational/professional hobby projects. The integrated USB makes the part attractive when PCB area or BOM cost must be minimized. When designing with this device, ensure the USB D+/D- lines are routed as a 90-ohm differential pair with the proper characteristic impedance, and place the required clock-source decoupling within a few millimeters of the VDD pins. Designers should also budget for the 256-byte USB dual-port RAM region, which sits inside the general-purpose RAM map. This page synthesizes distributor pricing for PIC18F2450-I/SO, its drop-in same-package alternatives, application examples, and design notes that complement the official Microchip datasheet 39760d.

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PIC18F2455-I/SO

PIC18F2455-I/SO - 48MHz 8-bit FS-USB MCU, 24KB Flash | Microchip

The Microchip Technology PIC18F2455-I/SO is a high-performance 8-bit PIC18 family flash microcontroller with integrated Full-Speed USB 2.0, 24KB of Flash program memory, 2048 bytes of RAM, and 256 bytes of EEPROM, packaged in a 28-pin SOIC (SO) wide-body plastic SMD outline. It operates from 4.2V to 5.5V and supports clock rates up to 48MHz, delivering up to 16 MIPS of processing throughput using the enhanced PIC18 instruction set with 200ns minimum instruction cycle. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (ROM/Flash), data memory (RAM), peripherals, and I/O onto one silicon die. Within the broader semiconductor taxonomy, an MCU belongs to the microcontroller family -> embedded processor -> integrated circuit. The PIC18 family is Microchip's enhanced mid-range 8-bit architecture, sitting above the baseline PIC16 family and offering more peripherals, more memory, and higher code efficiency, while still targeting cost-sensitive and deterministic real-time designs. Key features of the PIC18F2455 include 25 digital I/O pins, a 10-bit Analog-to-Digital Converter (ADC) with up to 11 input channels, an enhanced USART (EUSART) supporting LIN master/slave, a Master Synchronous Serial Port (MSSP) configurable as I2C or SPI up to 10 Mbit/s, a Full-Speed USB 2.0 device peripheral (12 Mbit/s) with on-chip transceiver, two analog comparators, and nanoWatt power management with multiple idle/sleep modes. It also provides three 16-bit timers/counters, two PWM modules with Capture/Compare/PWM (CCP) and Enhanced CCP (ECCP), and an 8-bit parallel slave port. Architecturally the PIC18F2455 uses a RISC-style Harvard bus architecture with separate program and data paths, 16-bit opcodes, and an 8-level hardware stack. The integrated USB SIE handles CRC, NRZI encoding, and endpoint management internally, eliminating an external PHY in most designs. Industrial -40C to +85C operation and 100K endurance Flash make it suitable for harsh environments. Typical applications include USB HID/CDC peripherals (custom HID game controllers, USB-to-UART bridges, PC test instruments), sensor data loggers, low-cost instrumentation, consumer electronics with USB firmware update (bootloader), industrial control nodes, and educational/hobbyist projects (Arduino-alternative, BASIC stamp replacements, USB IO boards). When designing with this part, ensure that VUSB is decoupled with a 220nF capacitor and that the USB D+/D- traces are 90-ohm differential matched. Programming is supported through ICSP (In-Circuit Serial Programming) on RB6/RB7 pins, so these must remain accessible on the PCB even in production layouts. This page synthesizes distributor pricing, drop-in SOIC-28 alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC18F2455-I/SP

PIC18F2455-I/SP - 8-bit 48MHz USB MCU 24KB Flash | Microchip

The Microchip Technology PIC18F2455-I/SP is an 8-bit PIC18 microcontroller with integrated Full-Speed USB 2.0, 24 KB of Flash program memory and 2 KB of RAM, packaged in a 28-pin SPDIP through-hole format. It operates from 4.2 V to 5.5 V, supports oscillator frequencies up to 48 MHz and delivers up to 10 MIPS of CPU throughput. The integrated nanoWatt technology reduces active and sleep current consumption for battery-powered and energy-sensitive designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, peripherals and I/O onto one IC. The PIC18 family uses a Harvard-architecture RISC core with 16-bit instruction words and 8-bit data paths, optimized for deterministic interrupt response and compact code. Within the broader hierarchy, the PIC18F2455 sits in the Microchip 8-bit PIC microcontroller line, positioned between baseline PIC10/12/16 parts and the 16-bit dsPIC/PIC24 family. Its USB 2.0 Full-Speed peripheral makes it a common bridge between embedded logic and PC hosts. Key features include 24 KB (12K x 16) of self-programmable Flash, 2 KB of RAM, 256 bytes of EEPROM, a 10-bit ADC with up to 13 input channels, two 8-bit and one 16-bit timers, two PWM modules and a 25 mA source/sink capability per I/O pin. The USB 2.0 Full-Speed transceiver supports 12 Mbit/s operation without an external crystal on some configurations, and three serial ports (USB, I²C and SPI up to 10 Mbit/s, plus EUSART for LIN) provide flexible connectivity. The CPU uses a modified Harvard architecture with hardware multiplier and a 31-level hardware stack, executing one instruction per four oscillator cycles. Integrated peripherals are mapped through a SFR-based register map, and interrupts are prioritized through a two-level scheme with shadow registers to reduce context-restore overhead. The nanoWatt power-management block supports multiple idle and sleep modes for ultra-low standby draw. Typical applications include low-cost USB peripherals, HID-class devices such as custom input devices and game controllers, industrial sensor interfaces with USB diagnostics, automotive LIN slave nodes and embedded data-acquisition front-ends. The wide operating range also suits 5 V industrial backplanes and battery chargers using the ADC for current/voltage monitoring. When designing with this part, ensure the VUSB pin is connected to VDD through an internal 3.3 V regulator when USB is active, and follow Microchip's recommended 27 pF capacitor on the VUSB node. Program the CONFIG registers correctly for the chosen oscillator mode (HS, XT or INTIO) before any code can run. This page synthesizes drop-in alternatives, designer application notes and current distributor pricing for the PIC18F2455-I/SP that are not aggregated on a single manufacturer or distributor page.

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PIC18F248-E/SO

PIC18F248-E/SO - 8-bit 40MHz MCU 16KB Flash CAN SOIC-28 | Microchip

The Microchip Technology PIC18F248-E/SO is an 8-bit CMOS flash-based microcontroller in the PIC18F family, integrating a 16KB (8K x 16) enhanced flash program memory and 768 bytes of RAM with a 10 MIPS (40 MHz) RISC core, housed in a 28-pin SOIC package. The PIC18F248-E/SO includes an integrated CAN 2.0B controller, a 10-bit ADC with up to 8 channels, and 23 digital I/O pins, making it a compact mixed-signal MCU for embedded networking. A PIC18F-series microcontroller is an 8-bit Harvard-architecture RISC MCU that uses separate program and data buses to allow simultaneous instruction fetch and data access. The "PIC" stands for Peripheral Interface Controller, originally designed by General Instrument's Microelectronics Division and now standardized across millions of industrial, automotive, and consumer devices. The PIC18F family is positioned in the higher-performance tier of 8-bit MCUs and offers enhanced flash memory, deeper instruction pipelines, and on-chip peripherals such as CAN, USB, and enhanced USART modules. Key features of the PIC18F248-E/SO include 16KB in-circuit reprogrammable flash (10,000 erase/write cycles typical), 256 bytes of EEPROM, 23 digital I/O pins with individual direction control, four timer modules, a synchronous serial port configurable for SPI or I2C, an enhanced USART, an 8-channel 10-bit ADC, and a CAN 2.0B module with three transmit and two receive buffers. The device operates from 4.2V to 5.5V across the extended -40C to +125C industrial range and supports ICSP (In-Circuit Serial Programming) plus MPLAB ICD debug. Architecturally, the PIC18F248 uses a 16-bit instruction word and an 8-bit data path, with a hardware multiplier, a 31-level deep hardware stack, and a vectored interrupt controller. The integrated CAN module offloads the bit timing and message buffering from the CPU, freeing cycles for application code. The 10-bit ADC with selectable acquisition time supports both low-power and high-throughput conversion modes. Typical applications include industrial CAN nodes (sensor hubs, motor controllers), automotive body and chassis electronics (mirrors, HVAC, lighting), building automation (BACnet/Modbus gateways), medical instrumentation, and embedded data acquisition systems. The combination of CAN, ADC, and EEPROM on a single 28-pin SOIC enables compact, low-cost networked sensor designs. When designing with this MCU, allocate decoupling capacitors (100 nF + 10 uF) close to VDD/VSS pairs and add a bulk capacitor on AVDD. Ensure the MCLR pin has a proper pull-up and decoupling network for reliable reset behavior. The extended (-E) temperature grade supports -40C to +125C operation. This page synthesizes distributor pricing, drop-in SOIC-28 alternatives from Microchip's PIC18F family, and practical design notes that complement but do not replace the manufacturer's datasheet.

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PIC18F248-E/SP

PIC18F248-E/SP - 8-bit MCU, 16KB Flash, CAN, 28-SPDIP | Microchip

The Microchip Technology PIC18F248-E/SP is an 8-bit PIC18 enhanced Flash microcontroller with an integrated CAN (Controller Area Network) module, 16 KB of program Flash memory, 768 bytes of RAM, and 256 bytes of EEPROM, packaged in a 28-pin SPDIP (SP) through-hole form factor. Operating from a 40 MHz internal clock (10 MIPS instruction throughput), the device targets industrial and automotive CAN-node designs where on-chip protocol handling removes the need for an external CAN controller. The "-E" suffix designates the extended industrial temperature range of -40C to +125C, suitable for harsh-environment operation. A microcontroller (MCU) is an integrated single-chip computer containing a CPU core, program memory (Flash/ROM), working memory (RAM), non-volatile data memory (EEPROM), and a set of on-chip peripherals such as timers, communication interfaces and ADC channels. PIC microcontrollers from Microchip use a modified Harvard RISC architecture with separate program and data buses, enabling single-cycle instruction execution and deterministic interrupt latency. The PIC18F family sits in Microchip's mid-range 8-bit portfolio between the PIC16F baseline series and the PIC24F 16-bit families, offering a richer peripheral set (including CAN) at the cost of higher price per unit. Key features of the PIC18F248 include an integrated CAN 2.0B controller compliant with ISO 11898, a 10-bit Analog-to-Digital Converter (ADC) with up to 8 input channels, an enhanced USART supporting both RS-232 and RS-485 modes, a Master Synchronous Serial Port (MSSP) configurable as SPI or I2C, four timer modules, and a 10 MHz internal oscillator. The Instruction Set Architecture includes 77 instructions with an 8-bit data path and 16-bit instruction word, supporting hardware multiply. The 28-SPDIP package has a 600-mil (15.24 mm) body width for breadboard-friendly through-hole mounting. Architecturally, the PIC18F248 separates program Flash from data EEPROM so firmware updates do not affect stored calibration or configuration data. The CAN module includes hardware acceptance filters, mask registers and a dedicated DMA-free mailbox structure that offloads the CPU during bus arbitration and error handling. An on-chip In-Circuit Serial Programming (ICSP) interface and In-Circuit Debug (ICD) support enable development with MPLAB X IDE and PICkit programmers without removing the part from the board. Typical applications include automotive body and chassis ECUs (mirror controllers, seat controllers, lighting nodes), industrial CANopen and DeviceNet slave nodes, HVAC controls, sensor interface boards with CAN backhaul, and building automation fieldbus nodes. The integrated CAN peripheral eliminates the external CAN transceiver's MCU-side companion controller, reducing PCB area and BOM cost in multi-node CAN networks. When designing with this part, note that the integrated CAN module requires an external 3.3V or 5V CAN transceiver (such as MCP2551 or TJA1050) to physically interface with the bus. The internal oscillator accuracy of plus or minus 2 percent is sufficient for CAN bit-stamping when the SJW and BRP values are carefully calculated against the oscillator tolerance. Watchdog timer, brown-out reset and low-voltage programming features should be enabled in firmware for unattended CAN nodes. This page synthesizes distributor pricing, drop-in alternatives in the same 28-SPDIP footprint, and practical design notes not found in the manufacturer datasheet, supporting both prototype selection and production sourcing decisions.

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PIC18F248-I/SO

PIC18F248-I/SO - 8-bit 40MHz 16KB Flash MCU w/ CAN | Microchip

The Microchip Technology PIC18F248-I/SO is an 8-bit PIC18 family microcontroller with an integrated CAN (Controller Area Network) module, 16 KB of flash program memory, 768 bytes of RAM, and 256 bytes of EEPROM, operating at up to 40 MHz (10 MIPS) from a 28-pin SOIC wide-body package. It is part of Microchip's PIC18F248/258/448/458 family of high-performance enhanced flash microcontrollers and targets embedded designs requiring on-chip CAN connectivity for industrial and automotive networking. An 8-bit PIC microcontroller is a RISC (Reduced Instruction Set Computer) device that executes single-word instructions in a single instruction cycle (4 clock cycles), and the PIC18 family extends this with 16-bit instructions, an 8x8 hardware multiplier, a 31-level stack, and a Harvard memory architecture. The PIC18F248 sits in the PIC18 hierarchy as PIC18F2x8 -> PIC18F family -> PIC18 microcontroller -> 8-bit PIC -> MCU -> microcontroller, and the integrated CAN 2.0B module differentiates it from non-CAN PIC18F2x siblings, making it a direct fit for nodes that need to communicate on a CAN bus without an external controller. Key features include five 10-bit ADC channels (shared with digital I/O), one 8-bit and three 16-bit timers, a 10-bit PWM module, USART for serial communications, a Master Synchronous Serial Port (MSSP) supporting SPI and I2C, and Microchip's nanoWatt Technology power management with multiple low-power sleep modes. The integrated CAN 2.0B controller supports both standard (11-bit) and extended (29-bit) identifiers, with acceptance filters and masking, removing the need for an external CAN transceiver controller. Typical applications include automotive body and chassis networking, industrial CAN nodes, building automation sensors, HVAC controllers, and embedded motor-control peripherals. The 28-pin SOIC footprint is compatible with hand-soldering and through-hole rework on production boards. When designing with this device, ensure the CAN bus is terminated with 120 ohm resistors at each end of the bus and that a proper CAN transceiver (e.g., MCP2551 or TJA1050) is paired with the digital CAN controller pins. The 28-pin SOIC wide-body package supports industrial temperature grade (-40C to +85C) as indicated by the 'I' suffix. This page synthesizes distributor pricing, same-brand drop-in alternatives, and practical design notes - including pinout, ADC, and CAN bus layout guidance - that are not consolidated in the manufacturer datasheet.

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PIC18F2480-E/ML

PIC18F2480-E/ML - 8-Bit 25MHz 16KB Flash MCU w/ ECAN | Microchip

The Microchip Technology PIC18F2480-E/ML is an 8-bit PIC18F-family CMOS microcontroller with 16KB (8K x 16) of Flash program memory, 768 bytes of SRAM, and 256 bytes of data EEPROM, housed in a 28-pin QFN (6x6 mm) package with an exposed pad. It integrates an ECAN (Enhanced CAN 2.0B) controller, a 10-bit ADC, and Microchip's nanoWatt power-management technology for low-power operation, while running at up to 25 MHz (10 MIPS) from an internal or external oscillator. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), working memory (RAM), and a range of peripherals (ADC, timers, communication controllers, GPIO) into one package. The PIC18F family sits in Microchip's 8-bit performance tier, offering 16-bit-wide instructions, 8-bit data paths, and enhanced peripherals such as CAN and 10-bit ADC that target embedded control rather than pure signal processing. The PIC18F2480 is the 28-pin member of the ECAN-enabled family, balancing I/O count with small footprint for body, chassis, and sensor applications. Key features include 25 I/O pins, one UART, one SPI, one I2C, one ECAN port, six timers, six PWM channels, and a 10-bit A/D converter with up to 8 channels. The 28-QFN package exposes the die thermal pad for enhanced dissipation and suits reflow-only assembly. Self-programmability and an internal oscillator reduce external component count, while the nanoWatt technology allows deep sleep currents in the nanoampere range for battery-powered designs. Typical applications include automotive CAN nodes (body controllers, instrument clusters), industrial sensor interfaces, low-cost control boards, and any CAN/LIN-connected embedded system where a small, low-pin-count MCU with integrated CAN is required. The wide 2.0V to 5.5V operating range simplifies battery-backed designs and industrial 24V-derived rails after regulation. When designing with the PIC18F2480-E/ML, ensure the exposed pad is soldered to the PCB ground plane for thermal and electrical performance, and follow the Microchip pin-out compatibility chart when migrating between 28-pin PIC18F variants. Engineers should use the MPLAB ICD 5 or PICkit programmer for development, and the ECAN bit-timing calculator in MPLAB X for bus configuration.

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PIC18F2480-E/SO

PIC18F2480-E/SO - 8-bit MCU, 16KB Flash, ECAN, 28-SOIC | Microchip

The Microchip Technology PIC18F2480-E/SO is an 8-bit PIC18-family RISC microcontroller with 16 KB Flash program memory, 768 bytes of SRAM, and an integrated Enhanced CAN (ECAN) module, housed in a 28-pin SOIC package. It executes instructions at up to 10 MIPS from a 40 MHz oscillator and includes a 10-bit A/D converter with 8 channels, nanoWatt power management, and 25 digital I/O pins. An 8-bit microcontroller (MCU) is a small computer-on-a-chip that integrates a CPU, non-volatile program memory, RAM, and peripherals such as timers, communication interfaces, and analog-to-digital converters onto a single die. Within the broader taxonomy, 8-bit MCUs sit below 16-bit and 32-bit devices in computational throughput but above pure digital logic in integration density, making them the dominant choice for cost-sensitive embedded control. The PIC18 family specifically targets C-compilable, high-performance 8-bit designs with peripheral-rich silicon. Key features include 16 KB self-programmable Flash (8K x 16 words), 768 bytes of RAM, 256 bytes of EEPROM, hardware ECAN 2.0B controller with acceptance filters, nanoWatt technology for ultra-low-power sleep modes (down to sub-microampere), and a 10-bit ADC with 8 input channels. The instruction set is highly orthogonal and C-friendly, and the device supports in-circuit serial programming (ICSP) plus in-circuit debug via ICD. The PIC18F2480 architecture uses a 16-bit instruction word with an 8-bit data path, a hardware multiplier for 8x8 single-cycle operations, and four priority-level nested interrupts. It is built on a low-power CMOS process with brown-out reset, watchdog timer, and wide operating voltage (2.0V-5.5V for the F-version; the -E suffix denotes the extended -40C to +125C temperature range). Typical applications include automotive ECAN nodes, industrial CAN-based sensor networks, building automation, HVAC controls, and CAN-to-UART bridges. The integrated ECAN peripheral eliminates the need for an external CAN controller, reducing BOM cost and PCB footprint in distributed control systems. When designing with this part, place a 100 nF decoupling capacitor adjacent to each VDD/VSS pin pair and a 10 uF bulk capacitor near the regulator output. The ECAN bus requires a 120 ohm termination at each end of the bus and an isolated CAN transceiver such as the MCP2551 for proper differential signaling. This page synthesizes distributor inventory, parametric drop-in alternatives, and practical design notes not consolidated in the manufacturer datasheet, helping engineers evaluate the PIC18F2480-E/SO for new designs and legacy maintenance scenarios.

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PIC18F2480-E/SP

PIC18F2480-E/SP - 8-Bit 25MHz MCU, 16KB Flash, ECAN, 28-SPDIP

The Microchip Technology PIC18F2480-E/SP is an 8-bit RISC microcontroller from the PIC18F family, delivering 25 MIPS performance from a 40 MHz internal clock while integrating 16 KB of Flash program memory, 768 bytes of RAM, and 256 bytes of EEPROM in a 28-pin SPDIP (Skinny Plastic DIP) through-hole package. It features an integrated ECAN (Enhanced Controller Area Network) module, a 10-bit A/D converter with up to 8 channels, nanoWatt power management, and 25 digital I/O pins capable of driving LED loads directly. The wide 4.2 V to 5.5 V operating range targets industrial and automotive-grade applications. According to the manufacturer datasheet, the ECAN module is fully CAN 2.0B active-compliant with hardware filtering, making this MCU a strong fit for distributed node designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, I/O peripherals, and often analog or communication blocks on one piece of silicon. The 8-bit class is the oldest and most widely deployed MCU tier, prized for deterministic instruction timing, low cost, and robust toolchain support. Within the broader taxonomy, the PIC18F2480 sits as: MCU -> 8-bit microcontroller -> PIC18 family -> PIC18F2xxx sub-family (28/40/44-pin enhanced Flash with ECAN), optimized for CAN-bus nodes and sensor aggregation. Key features include 25 MIPS throughput at 40 MHz, hardware ECAN 2.0B with acceptance filtering, 10-bit ADC with up to 8 channels, dual analog comparators, 1 Capture/Compare/PWM (CCP) plus 1 Enhanced CCP (ECCP), 2 UART modules, MSSP for SPI/I2C, and nanoWatt technology that drops I/O leakage below 1 µA in sleep modes. The high-endurance Flash supports 100K erase/write cycles minimum, and the 28 SPDIP package simplifies through-hole prototyping and field-replaceable designs. Architecturally, the PIC18F2480 uses an enhanced Harvard architecture with separate program and data buses, a hardware multiplier, and a priority-based interrupt controller with two latency options. The instruction set is largely orthogonal and supports C compilers (XC8) for portable firmware. The ECAN engine handles bus arbitration and acceptance masks in hardware, freeing the CPU from bit-banging and enabling higher-level protocol stacks such as CANopen or DeviceNet. Typical applications include automotive body electronics, industrial CAN sensor nodes, HVAC controls, building automation gateways, distributed I/O over CAN, and small appliance motor controllers. In particular, the ECAN module plus the 10-bit ADC make it well suited to sensor-hub designs that report telemetry to a central ECU. When designing with this part, mind the E (extended) temperature grade (-40 °C to +125 °C) versus the I grade (-40 °C to +85 °C) and ensure your PCB layout respects ECAN bus isolation. In noisy environments, add common-mode chokes and TVS protection on the CANH/CANL lines per ISO 11898-2. This page synthesizes distributor pricing, drop-in PIC18F family alternatives, and practical ECAN design notes that go beyond the manufacturer datasheet to help engineers select, source, and deploy the PIC18F2480-E/SP efficiently.

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PIC18F2480-I/SO

PIC18F2480-I/SO - 8-bit 40MHz MCU 16KB Flash 28-SOIC | Microchip

The Microchip PIC18F2480-I/SO is a 28-pin 8-bit PIC microcontroller built on the enhanced PIC18 RISC architecture with ECAN (CAN 2.0B active) peripheral support, 16 KB of Flash program memory, 768 bytes of RAM and 256 bytes of EEPROM, running at up to 40 MHz (10 MIPS) in an industrial-grade 28-SOIC package. The -I suffix denotes an industrial operating temperature range of -40C to +85C, the /SO suffix designates the 28-lead 300-mil SOIC package, and key peripherals include an integrated ECAN bus controller, a 10-bit A/D converter with up to 8 channels, Enhanced CCP, two USARTs, MSSP (SPI/I2C), nanoWatt power management and an internal 31 kHz to 8 MHz oscillator. An 8-bit MCU is a microcontroller whose datapath, registers, ALU and program memory are organised around an 8-bit data width; the PIC18 family in particular implements an enhanced Harvard architecture with 16-bit opcodes and an 8-bit data bus, placing it in the broader hierarchy of microcontroller -> embedded controller -> semiconductor. The PIC18F2480 sits within the PIC18F2x80 device family alongside the PIC18F2580, PIC18F4480 and PIC18F4580, which differ mainly in pin count (28 vs. 40/44) and CAN peripheral count; this 28-pin member is the smallest-footprint variant of the family. Key features include 25 digital I/O pins, two analog comparators, a master synchronous serial port (MSSP) configurable as SPI or I2C, hardware ECAN supporting CAN 2.0B active (bit rates up to 1 Mbit/s), a 10-bit 8-channel ADC, four timer modules and nanoWatt Technology for reduced sleep current (as low as sub-1 uA typical). The 40 MHz oscillator yields 10 MIPS throughput, and on-chip in-circuit debug (ICD) plus two Enhanced Capture/Compare/PWM modules make it well-suited for closed-loop control. Typical applications include industrial CAN nodes such as HVAC controllers, automotive body modules, sensor networks, building-automation gateways, industrial sensors and instrumentation. The industrial temperature grade and ECAN peripheral make the part a strong fit for factory-floor networked equipment where the PCB footprint must remain small. When designing in this MCU, place VDD/VSS bypass capacitors within a few millimetres of the supply pins and avoid routing the high-speed CANH/CANL traces through the oscillator region; reserve pin 1 (MCLR) for an in-circuit debug header unless the application does not require ICD.

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PIC18F2480-I/SP

PIC18F2480-I/SP - 8-Bit 40MHz MCU, 16KB Flash, ECAN | Microchip

The Microchip Technology PIC18F2480-I/SP is an 8-bit PIC microcontroller running at 40 MHz, with 16 KB (8K x 16) of Flash program memory, 768 bytes of RAM and 256 bytes of EEPROM, housed in a 28-pin SPDIP (0.300 inch, 7.62 mm) through-hole package. It integrates the ECAN (Enhanced Controller Area Network) module, a 10-bit A/D converter with up to 8 input channels, nanoWatt power management and the standard PIC18 enhanced instruction set with 77 instructions and 16-bit opcode width. An 8-bit microcontroller (MCU) is a programmable system-on-chip that integrates a CPU, non-volatile program memory, working RAM, peripheral set and I/O in a single silicon die. The PIC18 family is a high-performance 8-bit architecture positioned between the baseline PIC10/12/16 series and the 16-bit dsPIC/PIC24 line; within Microchip's portfolio it sits in the "enhanced" tier offering C-friendly code, hardware multiplier and self-programming Flash. Microcontrollers sit under the broader "embedded computing" hierarchy: MCU -> microcontroller -> embedded processor -> semiconductor -> integrated circuit. Key features include 25 digital I/O pins, three 16-bit timers (Timer0/1/3) plus Timer2, two capture/compare/PWM (ECCP + CCP) modules, an enhanced USART with LIN support, MSSP for SPI/I2C, two analog comparators and a master synchronous serial port. The integrated ECAN controller with CAN 2.0B active compliance makes the part distinctive among PIC18 devices. NanoWatt technology offers multiple idle/sleep modes and on-the-fly oscillator switching for reduced quiescent current. The PIC18F2480 uses a Harvard architecture with separate program and data buses, a hardware 8x8 multiplier for fast math, a 10-bit 8-channel ADC with acquisition timer, and priority interrupt handling for time-critical events. The ECAN module supports 8 acceptance filters, programmable bit rates up to 1 Mbps, and three transmit buffers. Instruction cycle time is 4 oscillator periods, yielding 100 ns per instruction at 40 MHz. Typical applications include industrial CAN-bus nodes (e.g., sensor aggregation, distributed I/O, building automation), automotive body and comfort ECUs (mirror controllers, HVAC modules), embedded CAN bridges, OBD-II telemetry interfaces, and low-cost networked sensor nodes that benefit from the integrated CAN physical-layer signaling rather than an external controller. The 28-pin SPDIP package supports hand-soldering and breadboard-friendly prototyping that surface-mount alternatives cannot. When designing with this part, allocate at least 4 I/O pins for ICSP (PGC/PGD, MCLR/Vpp, Vss/Vdd) and respect the ECAN bus termination (120 ohm at each end of the bus). The internal 8 MHz oscillator can drive 40 MHz via the 5x PLL, eliminating an external crystal in cost-sensitive designs. This page synthesizes cross-distributor pricing, drop-in package-compatible alternatives, and practical ECAN design notes not consolidated in the manufacturer datasheet alone.

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PIC18F2480T-I/ML

PIC18F2480T-I/ML - 8-bit 40MHz 16KB Flash MCU 28-QFN | Microchip

The Microchip Technology PIC18F2480T-I/ML is an 8-bit PIC18 microcontroller running at up to 40 MHz with 16 KB of Flash program memory (8K x 16), 768 bytes of RAM, and 256 bytes of EEPROM, housed in a 28-pin QFN (6x6 mm) package with exposed thermal pad. This enhanced-Flash PIC18 device integrates a 10-bit ADC, CAN module, and nanoWatt power management. An 8-bit microcontroller (MCU) is a small computer built around an 8-bit data bus and Harvard or modified-Harvard architecture, integrating CPU, non-volatile program memory, working RAM, and a rich set of peripherals on a single die. Within the Microchip portfolio, the PIC18 family sits above the baseline PIC16 family in computational performance and instruction-set richness while still retaining the deterministic, single-cycle 8-bit ALU that PIC microcontrollers are known for. PIC18F2x80/4x80 sub-family devices in particular add an integrated CAN 2.0B controller, making them a frequent choice for industrial and automotive-networked embedded designs. Key features include 25 digital I/O pins, an active-high MCLR reset, ICSP/ICD in-circuit serial programming/debug, four timer modules (Timer0/1/2/3), a 10-bit A/D converter with up to 8 channels, an ECAN module, nanoWatt power-saving modes, and an extended -40C to +85C industrial temperature range. The 28-QFN (6x6) package with exposed pad improves thermal dissipation compared to the legacy 28-pin PDIP/SOIC options. The PIC18F2480 implements the enhanced PIC18 instruction set (16-bit wide instructions, 8-bit data path), supports two prioritized interrupt vectors, and provides self-programmable Flash under firmware control. Its nanoWatt technology reduces quiescent current in sleep modes below 1 uA, enabling battery-friendly field installations. Typical applications include CAN-node industrial sensor nodes, automotive body and chassis modules, motor-control front-ends, embedded data-acquisition systems, and CAN-based building-automation controllers. The combination of integrated CAN, 10-bit ADC, and ample Flash makes it well suited to networked embedded designs. When designing with this device, remember to include proper decoupling (100 nF + 10 uF) near VDD/AVDD/VSS and that the exposed thermal pad of the QFN package should be soldered to a copper pad tied to ground for mechanical and thermal performance. This page consolidates distributor pricing, drop-in alternatives, and design notes that go beyond the manufacturer datasheet, giving engineers a single point of reference for PIC18F2480T-I/ML selection and qualification.

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PIC18F248T-I/SO

PIC18F248T-I/SO - 16KB Flash 8-bit MCU 40MHz 28-SOIC | Microchip

The Microchip Technology PIC18F248T-I/SO is an 8-bit PIC18 family RISC microcontroller featuring 16KB (8K x 16) of Flash program memory, 768 bytes of RAM, and a 40 MHz maximum operating frequency in a 28-pin SOIC wide-body package. The 'T' suffix denotes Tape & Reel packaging and the 'I' suffix indicates an industrial-grade operating temperature range of -40C to +85C. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (typically Flash), data memory (RAM), and peripherals onto a single silicon die. PIC microcontrollers use a modified Harvard RISC architecture with a 16-bit instruction word, achieving up to 10 MIPS at 40 MHz. Within the broader taxonomy, the PIC18F248 belongs to the PIC18F family -> PIC microcontrollers -> 8-bit MCUs -> microcontrollers -> integrated circuits (ICs). The device family supports C and assembly development with Microchip's MPLAB X IDE and the XC8 compiler. Key features of the PIC18F248T-I/SO include 23 digital I/O pins, 5 channels of 10-bit analog-to-digital conversion (ADC), a Controller Area Network (CAN) module, an Enhanced Universal Synchronous/Asynchronous Receiver/Transmitter (EUSART), a Master Synchronous Serial Port (MSSP) supporting SPI and I2C, and Nanowatt power management with multiple idle and sleep modes. The integrated CAN controller makes this part particularly distinctive, as the PIC18F248 was specifically designed for embedded networking applications. The architecture combines a RISC CPU with hardware multiply, 8-bit-wide data paths, and a 16-bit instruction set. The 10 MIPS throughput at 40 MHz enables real-time signal processing in industrial control loops. The internal RC oscillator and PLL options reduce external component count, while the In-Circuit Serial Programming (ICSP) and In-Circuit Debug (ICD) interfaces support field-upgradeable firmware through a standard 2-wire programming protocol. Typical applications include CAN node endpoints in industrial automation, automotive body and chassis ECUs, HVAC controls, sensor interfacing with 10-bit ADC, and embedded networking bridges. The combination of CAN, ADC, and digital I/O in a single 28-pin SOIC package simplifies PCB design and BOM for cost-sensitive networked embedded systems. When designing with this part, ensure the CAN bus transceiver is selected to match bus speed requirements; the PIC18F248 CAN module supports CAN 2.0B active with up to 1 Mbps bit rate. Decoupling capacitors must be placed close to VDD/AVDD pins, and unused I/O should be configured as outputs low for lowest quiescent current. This page synthesizes distributor pricing, drop-in alternatives drawn from the PIC18F family, and practical design notes not found in the manufacturer datasheet alone.

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PIC18F24J10-I/SP

PIC18F24J10-I/SP - 8-bit 40MHz PIC MCU, 16KB Flash, SPDIP-28

The Microchip Technology PIC18F24J10-I/SP is an 8-bit RISC microcontroller from the PIC18FxxJxx family, operating at up to 40 MHz from a 2.0V to 5.5V supply, and housed in a 28-pin SPDIP (Skinny Plastic DIP) through-hole package. The part delivers 16 KB of Flash program memory, 1 KB of SRAM, and emulated EEPROM, while exposing 25 general-purpose I/O pins and a 10-bit ADC. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, volatile data memory, and peripherals such as ADC, timers, and communication interfaces. Within the broader taxonomy, the PIC18F24J10 belongs to the 8-bit MCU category, itself a sub-class of microcontrollers and embedded controllers under the integrated-circuit hierarchy. It is purpose-built for cost-sensitive embedded designs where low-power nanoWatt technology, USB-friendly peripherals, and broad peripheral integration outweigh the need for a 32-bit core. Key features include an enhanced USART with LIN master/slave support, two MSSP (Master Synchronous Serial Port) peripherals capable of I2C with address masking and SPI, a 10-bit ADC with up to 10 channels, two analog comparators, and nanoWatt power management with multiple idle and sleep modes. The instruction set is an enhanced PIC18 Harvard architecture with 16-bit opcodes and an 8-bit data path, supporting C-friendly calling conventions and a hardware multiplier. Typical applications include consumer white goods, low-cost industrial sensor interfaces, automotive body controllers (LIN sub-nodes), HVAC thermostats, simple USB-to-UART bridges, and general-purpose embedded control nodes where the SPDIP-28 package is preferred for hand-soldered prototyping or through-hole assemblies. When designing with this part, plan for an external analog supply (AVDD/AVSS) routing even if the ADC is unused, and verify the maximum operating frequency derating versus VDD against the manufacturer datasheet. The I/SP industrial temperature grade supports -40C to +85C operation, which is sufficient for most non-automotive commercial environments. This page synthesizes distributor pricing, drop-in PIC18F alternatives, and practical design considerations not all bundled in the original manufacturer datasheet, providing engineers with a consolidated engineering reference.

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PIC18F24J10-I/SS

PIC18F24J10-I/SS - 40MHz 8-bit MCU 16KB Flash 28-SSOP | Microchip

The Microchip Technology PIC18F24J10-I/SS is an 8-bit RISC flash microcontroller running up to 40 MHz, integrating 16 KB of on-chip Flash program memory and 1 KB of RAM in a 28-pin SSOP (Shrink Small Outline Package). It is part of the PIC18 J-series family, designed for low-cost, general-purpose embedded control with enhanced peripherals including a 10-bit ADC, two PWM modules, an enhanced USART with LIN master capability, an I2C/SPI synchronous serial port with I2C address masking, and nanoWatt power management for sleep-mode efficiency. An 8-bit microcontroller (MCU) is a small computer-on-a-chip that combines a CPU, program memory (Flash/ROM), data memory (RAM), and peripheral interfaces on a single silicon die. The PIC18F family uses Microchip's enhanced RISC Harvard architecture, executing most instructions in one cycle for up to 10 MIPS throughput at 40 MHz. MCUs sit within the broader hierarchy: microcontroller -> embedded processor -> semiconductor -> integrated circuit, and serve as the computational heart of nearly every modern electronic product. Key features of the PIC18F24J10 include 1 k Flash endurance, emulated EEPROM via program-Flash self-write, 25 digital I/O pins, a 10-bit ADC with up to 13 input channels, two analog comparators, and a wide 2.0V to 5.5V supply voltage range that simplifies battery- and bus-powered designs. The device operates across the industrial -40C to +85C temperature range and supports in-circuit serial programming (ICSP) plus in-circuit debug (ICD) for development workflows. Architecturally, the PIC18F24J10 uses a 16-bit instruction word with an 8-bit data path, eight-level hardware stack, and hardware multiply block. The nanoWatt technology offers multiple idle and sleep modes with wake-up on interrupt, peripheral disable for leakage reduction, and an ultra-low-power timer1 oscillator, enabling years of battery life in periodic-duty applications. Typical applications include USB/HID human-interface devices when paired with an external transceiver, low-cost sensor interface boards, home appliances, motor control for small DC and stepper loads, LIN slave nodes in automotive body networks, industrial control panels, and general-purpose 8-bit embedded products where footprint, cost, and ease of programming matter. When designing with this part, verify the 2.0V-5.5V analog supply headroom for ADC reference accuracy, and consider the 1k Flash endurance for firmware-update frequency planning. For code-protection on production units, configure the appropriate configuration bits. This page synthesizes distributor pricing, parametric drop-in alternatives, and practical design notes that go beyond what the manufacturer datasheet alone provides.

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PIC18F2431-E/SP - 8-bit 40MHz 16KB Flash MCU | Microchip

PIC18F2431-I/SO - 40MHz 8-Bit MCU, 16KB Flash, Motor-Control PWM | Microchip

PIC18F2431-I/SP - 8-bit MCU, 16KB Flash, 40MHz, Motor Control PWM | Microchip

PIC18F2431T-I/ML - 8-Bit 40MHz MCU, 16KB Flash, 28-QFN | Microchip

PIC18F2431T-I/MM - 40MHz 8-bit MCU 16KB Flash 28-QFN | Microchip

PIC18F2439-I/SP - 8-bit Motor Control MCU, 12KB Flash | Microchip

PIC18F2439T-E/SO - 8-bit 12KB Flash MCU Motor Control | Microchip

PIC18F2439T-I/SO - 12KB Flash 8-bit MCU | Microchip | Motor Control

PIC18F2450-I/ML - 8-bit USB MCU 16KB Flash 28-QFN | Microchip

PIC18F2450-I/SO - 48MHz 8-bit USB MCU, 16KB Flash | Microchip

PIC18F2455-I/SO - 48MHz 8-bit FS-USB MCU, 24KB Flash | Microchip

PIC18F2455-I/SP - 8-bit 48MHz USB MCU 24KB Flash | Microchip

PIC18F248-E/SO - 8-bit 40MHz MCU 16KB Flash CAN SOIC-28 | Microchip

PIC18F248-E/SP - 8-bit MCU, 16KB Flash, CAN, 28-SPDIP | Microchip

PIC18F248-I/SO - 8-bit 40MHz 16KB Flash MCU w/ CAN | Microchip

PIC18F2480-E/ML - 8-Bit 25MHz 16KB Flash MCU w/ ECAN | Microchip

PIC18F2480-E/SO - 8-bit MCU, 16KB Flash, ECAN, 28-SOIC | Microchip

PIC18F2480-E/SP - 8-Bit 25MHz MCU, 16KB Flash, ECAN, 28-SPDIP

PIC18F2480-I/SO - 8-bit 40MHz MCU 16KB Flash 28-SOIC | Microchip

PIC18F2480-I/SP - 8-Bit 40MHz MCU, 16KB Flash, ECAN | Microchip

PIC18F2480T-I/ML - 8-bit 40MHz 16KB Flash MCU 28-QFN | Microchip

PIC18F248T-I/SO - 16KB Flash 8-bit MCU 40MHz 28-SOIC | Microchip

PIC18F24J10-I/SP - 8-bit 40MHz PIC MCU, 16KB Flash, SPDIP-28

PIC18F24J10-I/SS - 40MHz 8-bit MCU 16KB Flash 28-SSOP | Microchip