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PIC24FJ64GP202-E/SS - 16-bit XLP MCU, 64KB Flash, 28-SSOP | Microchip
PIC24FJ64GP202-E/SS

PIC24FJ64GP202-E/SS - 16-bit XLP MCU, 64KB Flash, 28-SSOP | Microchip

The Microchip PIC24FJ64GP202-E/SS is a 16-bit eXtreme Low-Power (XLP) microcontroller featuring a 32 MHz MIPS core, 64 KB of ECC Flash, and 8 KB of SRAM in a 28-pin SSOP package with an extended -40C to +125C operating temperature range. A 16-bit PIC24F microcontroller is a member of the wider microcontroller (MCU) class of programmable embedded processors, sitting below 32-bit Cortex-M parts in code density and above 8-bit AVR/PIC16 parts in throughput and peripheral integration. The PIC24F family uses a modified Harvard architecture with a 16-bit data path, hardware multiply/divide, and DSP-friendly instructions, making it well suited to mixed-signal control loops, USB device/host stacks, and low-power battery products that need deterministic peripheral behaviour. Key features of the PIC24FJ64GP202-E/SS include Full-Speed USB 2.0 Host/Device/OTG on chip, Core Independent Peripherals (CIPs) such as CLC, MCCP, and 16-bit PWM, four 16-bit timers, a 12-bit ADC with up to 13 channels, and deep sleep currents in the hundreds of nA while retaining RAM and a low-power RTCC. The -E suffix designates the extended automotive temperature grade, making the part suitable for under-hood and outdoor deployments. Architecturally, the device integrates a switchable 3.3V core regulator, a brown-out reset block, and a 31 kHz low-power oscillator that allows peripherals to operate while the CPU is asleep. ECC on Flash and a configurable WDT provide the reliability headroom required for medical and industrial safety-class designs. Typical applications include USB HID/CDC peripherals, e-metering front ends, e-paper display controllers, battery-powered sensor hubs, and automotive body controllers. The wide -40C to +125C operating range specifically supports cabin and engine-bay sub-assemblies. When designing with this part, ensure USB DP/DN traces are 90 ohm differential and routed over a continuous ground plane, and budget adequate decoupling (100 nF + 4.7 uF) within 3 mm of each power pin. The CIPs let several PWM, capture, and logic functions run without CPU wakeups, so map interrupt-driven firmware carefully to leverage the XLP current budget.

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PIC24FJ64GP202-I/ML - 16-bit 32MHz 64KB Flash MCU | Microchip
PIC24FJ64GP202-I/ML

PIC24FJ64GP202-I/ML - 16-bit 32MHz 64KB Flash MCU | Microchip

The Microchip Technology PIC24FJ64GP202-I/ML is a 16-bit PIC24F microcontroller with a 32 MHz CPU, 64 KB of ECC Flash (22K x 24), and 8 KB of RAM, housed in a 28-pin QFN (6x6 mm) package with an exposed pad. It belongs to the PIC24FJ 'GP2/GU2' family and integrates a Full-Speed USB 2.0 Host/Device/OTG controller alongside several Core Independent Peripherals (CIPs). A 16-bit MCU (microcontroller unit) is a single-chip computer that integrates a 16-bit CPU core, program memory (Flash), data memory (RAM), and a rich set of peripherals on one die. PIC24F devices sit between 8-bit PIC MCUs and 32-bit ARM Cortex-M parts in Microchip's lineup, targeting low-power, mixed-signal embedded designs. The 'F' denotes Flash program memory; the 'GP2' series specifically adds USB-OTG and analog CIPs, occupying the slot below the USB-less 'GA' series and above the baseline 'FJ' family. Key features of the PIC24FJ64GP202 include 16 MIPS throughput, an eXtreme Low Power (XLP) sleep mode that retains state at a few hundred nanoamperes, hardware ECC on Flash, a 12-bit ADC, multiple timers, and configurable logic cells. The 28-QFN package exposes the EP (exposed pad) for thermal dissipation and ground stitching, enabling compact layouts down to ~6x6 mm. Typical applications include USB peripherals such as HID input devices, low-power sensor nodes with USB charging, and human-interface products that need a small-form-factor MCU with on-chip USB. The wide operating voltage (2.0 V to 3.6 V) and low sleep current also suit battery-powered IoT endpoints. Industrial temperature grade (-40C to +85C) supports commercial and light-industrial deployments. When laying out this part, tie the exposed pad to a clean ground plane with multiple thermal vias to keep junction temperature low under USB-active loads. Decouple VDD/VUSB with 100 nF + 4.7 uF ceramics placed within 2 mm of the pins, and route the D+/D- pair with 90-ohm differential impedance.

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PIC24FJ64GP202-I/MV - 64KB Flash, USB, 28-UQFN MCU | Microchip
PIC24FJ64GP202-I/MV

PIC24FJ64GP202-I/MV - 64KB Flash, USB, 28-UQFN MCU | Microchip

The Microchip Technology PIC24FJ64GP202-I/MV is a 16-bit PIC24F microcontroller integrating 64KB of ECC Flash, 8KB of RAM, and Full-Speed USB 2.0 Host/Device/OTG in a compact 28-pin UQFN (MV) 4x4 mm package. Operating at up to 32 MHz (16 MIPS), this MCU targets low-pin-count USB-enabled embedded designs where board area is constrained. What is a 16-bit microcontroller? A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (Flash), data memory (RAM), and a rich set of peripheral interfaces. The PIC24F family uses a 16-bit modified Harvard architecture with a 16-bit data path, enabling higher code density and faster arithmetic than 8-bit MCUs while retaining the simplicity of the PIC ecosystem. Within the broader hierarchy, the PIC24FJ sits between 8-bit PIC16/PIC18 parts and 32-bit PIC32 parts in Microchip's portfolio, optimized for ultra-low-power (XLP) and mixed-signal applications. Key features include eXtreme Low-Power (XLP) technology with sleep currents in the hundreds of nanoamperes while retaining RAM and peripheral state, four Core Independent Peripherals (CIPs) such as Configurable Logic Cells and the Peripheral Trigger Generator, and on-chip Full-Speed USB 2.0 with internal transceiver. The device also includes a 10-bit ADC, multiple UART/SPI/I2C interfaces, 21 general-purpose I/O pins, and a 16-bit timer/counter array. The architecture combines a deterministic 16-bit CPU with 24-bit instruction words and a hardware multiplier that executes a 16x16 multiply in a single cycle, enabling efficient DSP-like signal processing. ECC on Flash memory improves reliability in harsh environments, and the integrated USB transceiver eliminates the need for external PHY components, reducing both BOM cost and PCB footprint. Typical applications include USB Human Interface Devices (HID), portable medical sensor pods, low-power IoT sensor nodes, USB-to-UART bridges, and consumer peripherals such as mice, keyboards, and gaming controllers. The wide operating voltage range (2.0-3.6 V) and XLP sleep modes make it especially attractive for battery-powered devices that must wake quickly to service USB events. When designing with this MCU, allocate adequate bulk capacitance near VDD/VUSB pins and follow Microchip's USB layout guidelines (90-ohm differential impedance, common-mode choke, and a clean ground return) to maintain USB signal integrity. The internal 32 MHz oscillator is sufficient for USB Full-Speed operation but requires proper tuning and guard-band settings in firmware. This page synthesizes distributor pricing, pin-compatible drop-in alternatives, application examples, and design notes that complement the Microchip datasheet with engineering context not always found in the manufacturer's product page.

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PIC24FJ64GP202-I/SO - 16-bit 32MHz MCU 64KB Flash | Microchip
PIC24FJ64GP202-I/SO

PIC24FJ64GP202-I/SO - 16-bit 32MHz MCU 64KB Flash | Microchip

The Microchip Technology PIC24FJ64GP202-I/SO is a 16-bit microcontroller from the PIC24F 'GP2' family, delivering 16 MIPS performance at 32 MHz CPU clock while integrating 64 KB of ECC Flash and 8 KB of SRAM in a 28-pin SOIC wide-body package. The 'GP2' sub-family combines a low-power 16-bit dsPIC-style core with full-speed USB 2.0 host/device/OTG and a rich set of Core Independent Peripherals (CIPs), making the device a versatile main controller for human-interface, sensor-hub, and USB-equipped embedded products. A 16-bit microcontroller (MCU) is a single-chip processor with a 16-bit datapath, 16-bit registers, and 16-bit arithmetic logic unit, sitting hierarchically above 8-bit MCUs (e.g., PIC16, ATmega) and below 32-bit MCUs (e.g., Cortex-M) within the broader microcontroller taxonomy of embedded processors. The wider datapath simplifies 16-bit sensor data handling, fractional arithmetic, and DSP-like routines without consuming the clock cycles a 32-bit core would need for the same task, while remaining more energy-efficient than 32-bit parts at equivalent MHz. The PIC24F core adds a modified Harvard architecture with separate program and data paths to keep instruction fetches off the data bus, sustaining 16 MIPS sustained throughput. The 'GP2' family of PIC24F devices is a low-pin-count 16-bit MCU family from Microchip that emphasizes eXtreme Low Power (XLP) operation, with sleep current typically in the few-hundreds-of-nA range while retaining the contents of RAM and several core registers. The PIC24FJ64GP202-I/SO specifically integrates Full-Speed USB 2.0 (12 Mbps) with on-chip transceiver and OTG support, removing the need for an external USB PHY for most HID, CDC, vendor-class, and embedded host applications. ECC on the Flash array protects against bit-flip-induced code corruption, which is increasingly important for long-life industrial and IoT deployments. The integrated CIPs include multiple configurable logic cells, a 32-bit hardware multiplier, multiple UART/SPI/I2C peripherals, 10/12-bit ADC modules, comparators, and RTCC, allowing deterministic hardware-driven I/O handling without CPU intervention. Hardware math acceleration (single-cycle MAC) is suitable for basic DSP operations such as filtering and PID loops. The 28-pin SOIC (0.295" / 7.50 mm body width) package offers the broadest breadboard and hand-soldering compatibility of the GP2 family, while also providing a comfortable copper-pour area for thermal dissipation at the modest 8 mA active current typical of the core. Typical applications include USB HID peripherals such as keyboards, mice, and custom input devices; embedded data loggers and sensor hubs that need ECC-protected code; low-power IoT endpoints with USB enumeration for firmware updates or charging; and small industrial controllers using the XLP sleep modes to ride out long battery-life requirements. Design with the recommended 4 MHz to 32 MHz crystal or internal 8 MHz/32 kHz oscillators to optimize the active-vs-sleep power budget, and route the USB D+/D- pair as a 90-ohm differential pair to maintain signal integrity at full-speed rates.

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PIC24FJ64GP202-I/SS - 16-bit 32MHz 64KB Flash MCU | Microchip
PIC24FJ64GP202-I/SS

PIC24FJ64GP202-I/SS - 16-bit 32MHz 64KB Flash MCU | Microchip

The Microchip Technology PIC24FJ64GP202-I/SS is a 16-bit PIC24F microcontroller featuring a 32MHz MIPS core, 64KB ECC Flash program memory and 8KB RAM, housed in a 28-pin SSOP package. It belongs to the PIC24FJ 'GP2/GU2' eXtreme Low-Power (XLP) family with Full-Speed USB 2.0 Host/Device/OTG, core independent peripherals (CIPs), and sleep currents in the few-hundred nanoampere range. A 16-bit microcontroller is a class of embedded processor that executes 16-bit wide instructions and addresses data through wider internal buses than 8-bit MCUs, while still remaining lower in cost and power than 32-bit Cortex-M parts. The PIC24F family from Microchip sits in the microcontrollers > 16-bit MCU > RISC MCU > low-power MCU hierarchy, optimized for battery-powered and USB-connected designs that need more headroom than 8-bit PIC16 or PIC18 parts but do not require the full ARM Cortex-M feature set. Key features include 64KB (22K x 24 instruction words) ECC Flash, 8KB SRAM, 21 general-purpose I/O lines, on-chip Full-Speed USB 2.0, multiple timers, 10-bit and 12-bit ADC channels, and CIPs that offload tasks such as PWM, capture and signal measurement from the CPU. The 'I' suffix indicates the -40C to +85C industrial temperature range, and 'SS' designates the SSOP-28 package. Architecturally the PIC24FJ64GP202 combines a modified Harvard bus with a 16-bit datapath and a 24-bit instruction word, allowing single-cycle 16 x 16 multiply and deterministic interrupt latency. The XLP design extends battery life through nanoWatt sleep modes, retention regulators, and on-the-fly peripheral clock gating. Typical applications include USB HID peripherals, medical and consumer sensor hubs, low-power industrial sensor nodes, USB-to-UART bridges, and battery-powered IoT data loggers. The integrated USB transceiver removes the need for an external PHY, saving both BOM cost and PCB area. When designing with this part, allocate the VUSB3V3 supply pin even on bus-powered designs to keep internal LDO regulation stable, and respect the SSOP-28 thermal pad layout for higher GPIO toggle loads. The CIP block can replace several discrete timers and comparators. This page synthesizes distributor pricing, drop-in same-package alternatives from the PIC24FJ family, comparison tables and design notes that go beyond what the manufacturer datasheet alone surfaces, to accelerate component selection and PCB bring-up.

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PIC24FJ64GP202T-I/ML - 16-bit MCU, 64KB Flash, USB, 28-QFN
PIC24FJ64GP202T-I/ML

PIC24FJ64GP202T-I/ML - 16-bit MCU, 64KB Flash, USB, 28-QFN

The Microchip Technology PIC24FJ64GP202T-I/ML is a 16-bit PIC microcontroller from the PIC24FJ GP2 family, integrating 64 KB of ECC Flash, 8 KB of RAM, and Full-Speed USB 2.0 (Host/Device/OTG) into a 28-pin QFN (6x6 mm) package. The device runs at up to 32 MHz (16 MIPS) from a 2.0-3.6 V supply, includes Core Independent Peripherals (CIPs), and targets eXtreme Low Power (XLP) applications with sub-microamp sleep currents. Tape and reel is denoted by the 'T' suffix, 'I' indicates the -40C to +85C industrial temperature grade, and 'ML' is the 28-QFN package designator. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, peripherals, and I/O on one die. The PIC24F family uses a 16-bit modified Harvard architecture designed for high code density, deterministic interrupt handling, and ultra-low-power operation. Within the broader taxonomy, the PIC24FJ64GP202 belongs to microcontroller -> embedded controller -> semiconductor IC -> digital logic. Key features include 21 to 25 general-purpose I/O pins (package-dependent), up to 16-channel 10-bit ADC, multiple Capture/Compare/PWM (MCCP/SCCP) modules, two UART, two SPI, two I2C, RTCC, and a 5-channel DMA controller. The integrated USB 2.0 Full-Speed transceiver eliminates external PHY components and supports OTG role swapping for embedded host or device roles. Code protection, ECC Flash, and a unique 64-bit device ID support secure boot and firmware authentication workflows. The PIC24FJ64GP202 uses a 3-stage pipeline with hardware multiply/divide and a 16x16-bit register file, achieving 16 MIPS sustained throughput. Its nanoWatt XLP technology drops quiescent current to a few hundred nanoamps in deep sleep while retaining SRAM and RTCC, making it well-suited for battery-powered devices that must wake periodically for sensor acquisition or USB enumeration. Typical applications include USB human-interface devices (HID), low-power wireless sensor nodes, medical telemetry peripherals, industrial data loggers, consumer audio accessories, and USB-charging power banks. The integrated USB transceiver simplifies USB-C sourcing/sinking designs, while the small 28-QFN footprint suits compact wearable and IoT form factors. When designing with this device, allocate the USB DP/DM traces as a 90-ohm differential pair routed directly from pins to a controlled-impedance connector, keep the VUSB decoupling within 1 m of the VUSB pin, and reference MPLAB X IDE with the XC16 compiler and MPLAB Code Configurator (MCC) for peripheral setup. Plan a 10 uF bulk + 0.1 uF ceramic stack near the VCAP pin for core regulator stability. This page synthesizes distributor pricing, drop-in same-package alternatives (QFN-28 footprint), and practical USB/battery design notes not aggregated in the manufacturer datasheet alone.

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PIC24FJ64GP202T-I/MV - 16-bit XLP MCU 64KB Flash USB | Microchip
PIC24FJ64GP202T-I/MV

PIC24FJ64GP202T-I/MV - 16-bit XLP MCU 64KB Flash USB | Microchip

The Microchip Technology PIC24FJ64GP202T-I/MV is a 16-bit eXtreme Low-Power (XLP) microcontroller from the PIC24F 'GP2/GU2' family, integrating 64KB of ECC Flash, 8KB of RAM, and Full-Speed USB 2.0 Host/Device/OTG support in a compact 28-pin UQFN (4x4 mm) package. The device executes up to 16 MIPS at 32 MHz and is tailored for low pin-count applications that require USB connectivity and ultra-low sleep current down to a few hundred nanoamperes while retaining RAM content. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (Flash), data memory (RAM), and integrated peripherals such as timers, ADCs, communication interfaces, and I/O ports. The PIC24FJ 'GP2/GU2' family sits within the broader taxonomy: microcontroller -> embedded processor -> semiconductor device. Its modified Harvard architecture and 16-bit data path place it above 8-bit MCUs in computational throughput while remaining lower in cost and power than 32-bit ARM Cortex-M devices for many real-time control tasks. Key features include 64KB ECC Flash (22K x 24 words), 8KB SRAM, hardware Real-Time Clock and Calendar (RTCC), multiple 16-bit timers, a 10-bit ADC with up to 9 channels, and Core Independent Peripherals (CIPs) that offload tasks from the CPU. The integrated USB 2.0 Full-Speed transceiver with on-chip pull-up/pull-down resistors eliminates external USB components, while the eXLP sleep modes (Sleep, Deep Sleep, and VBAT) achieve nanoamp-level quiescent current for battery-powered designs. The PIC24FJ64GP202T-I/MV is supplied in industrial temperature grade (-40C to +85C) on Tape and Reel. The 28-pin UQFN package with a 4x4 mm body suits space-constrained designs and provides an exposed pad for thermal dissipation. The 'T' suffix in the MPN denotes Tape and Reel packaging, while 'I/MV' denotes the industrial temperature grade and the UQFN-28 (MV) package. Typical applications include USB HID peripherals, IoT sensor nodes, battery-powered data loggers, consumer health devices, industrial sensor interfaces, and USB-to-UART bridges. The combination of integrated USB, XLP sleep modes, and 16 MIPS performance makes it well suited to portable instruments and wearables. The Explorer 16/32 Development Board with PIC24F Plug-In Modules accelerates prototyping. When designing with this MCU, ensure the exposed pad of the UQFN-28 package is soldered to a sufficiently large copper pour on the PCB for thermal relief and ground return. Decouple VDD/VUSB with 100 nF ceramic capacitors placed as close as possible to the supply pins, and follow the USB 2.0 Full-Speed differential pair routing guidelines (90-ohm differential impedance, matched length) when the USB D+/D- lines leave the board.

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PIC24FJ64GP202T-I/SS - 16-bit XLP MCU 64KB Flash 28-SSOP
PIC24FJ64GP202T-I/SS

PIC24FJ64GP202T-I/SS - 16-bit XLP MCU 64KB Flash 28-SSOP

The Microchip Technology PIC24FJ64GP202T-I/SS is a 16-bit PIC24F microcontroller featuring 64KB ECC Flash, 8KB RAM, and 32MHz/16 MIPS performance in a 28-pin SSOP package. It belongs to the eXtreme Low Power (XLP) family with sleep current down to a few hundred nanoamps while retaining essential peripherals and SRAM. Operating from 2.0V to 3.6V, the device integrates a 12-bit 200 ksps ADC, 10-bit ADC, multiple UART/SPI/I2C peripherals, capture/compare/PWM, and USB 2.0 Full-Speed OTG in the family variant. An MCU (microcontroller unit) is a single-chip computer containing a CPU core, program memory (Flash), data memory (SRAM), and on-chip peripherals such as ADCs, timers, and communication interfaces. MCUs sit at the heart of embedded systems, bridging sensors and actuators to firmware. PIC24F microcontrollers use a 16-bit modified Harvard architecture optimized for low-power deterministic control, hierarchical to dsPIC33 in performance and PIC16 in cost. Key features include 22K x 24 Flash words with ECC, hardware Real-Time Clock and Calendar (RTCC) with calendar mode, four 16-bit timers, and Core Independent Peripherals (CIPs) such as Configurable Logic Cells and Multiple Output Capture/Compare/PWM (MCCP). The 28-SSOP industrial-grade package (-40C to +85C operating range) is tape-and-reel formatted with 2100-unit reels. The PIC24FJ64GP202 family supports advanced peripherals including USB Full-Speed OTG in 'GP2/GU2' siblings, 12-bit ADC with up to 9 channels, comparators, and 5V-tolerant I/O on selected pins. Its eXtreme Low Power technology delivers sleep currents under 1 uA with full RAM retention, suitable for battery-powered IoT devices. Programming and debugging use MPLAB X IDE and PICkit/SNAP/ICD toolchains via 2-wire ICSP. Typical applications include IoT sensor nodes, USB peripherals, industrial HMI, motor control, portable medical instruments, and battery-powered smart devices. The wide operating voltage and integrated peripherals eliminate external ADC and RTC chips, reducing BOM cost and PCB area in space-constrained designs. Design tip: ensure decoupling capacitors of 0.1 uF and 1 uF are placed within 5mm of VDD/VSS pins. For USB applications, the GP202 family has Full-Speed USB on select variants; verify pin assignments in the datasheet before routing D+/D- traces with 90-ohm differential impedance. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet. Data sourced from DigiKey, Mouser, and Microchip product pages as of 2026-09-30.

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PIC24FJ64GP203-I/M5 - 16-bit 32MHz MCU 64KB Flash 36-UQFN | Microchip
PIC24FJ64GP203-I/M5

PIC24FJ64GP203-I/M5 - 16-bit 32MHz MCU 64KB Flash 36-UQFN | Microchip

The Microchip PIC24FJ64GP203-I/M5 is a 16-bit PIC24F microcontroller running at 32 MHz (16 MIPS) with 64 KB ECC Flash and 8 KB RAM in a 36-pin 5x5 mm UQFN package. The '-I' industrial temperature grade supports -40C to +85C operation, while the eXtreme Low Power (XLP) architecture targets battery-backed designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and a range of peripherals such as timers, ADC, communication interfaces (UART, SPI, I2C), and general-purpose I/O. The PIC24F family occupies the 16-bit mid-range of Microchip's product hierarchy, sitting between the 8-bit PIC16/PIC18 and the 32-bit PIC32 lines. It uses a modified Harvard architecture with a 16-bit data path and 24-bit instruction word, offering higher code density and faster arithmetic than 8-bit parts while retaining deterministic interrupt behavior. Key features include up to 21 analog channels via a 10-bit ADC (with 12-bit option on select variants), multiple serial interfaces (UART, SPI, I2C), 4 general-purpose timers, and a Real-Time Clock/Calendar with RTCC. The 36-UQFN package provides 31 user I/O pins and an exposed pad for thermal dissipation, suitable for compact hand-held products. Typical applications include portable medical devices, low-power wireless sensor nodes, USB HID peripherals, industrial control, and consumer appliances where low sleep current and 16-bit math performance are required. The combination of 64 KB ECC Flash and XLP sleep currents down to a few hundred nA enables years of operation on a single coin cell. Designers should plan a PCB footprint with a continuous thermal pad under the UQFN and 4-layer routing to escape 36 pins on a 0.4 mm pitch; the exposed pad must be soldered for electrical ground and thermal continuity. When migrating from PIC24FJ64GP202 to GP203, verify peripheral pin assignments because the GP203 has additional analog channels.

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PIC24FJ64GP203T-I/M5 - 16-bit MCU, 32MHz, 64KB Flash, 36-UQFN | Microchip
PIC24FJ64GP203T-I/M5

PIC24FJ64GP203T-I/M5 - 16-bit MCU, 32MHz, 64KB Flash, 36-UQFN | Microchip

The Microchip Technology PIC24FJ64GP203T-I/M5 is a 16-bit PIC microcontroller from the PIC24F family, featuring a 32 MHz CPU core, 64 KB ECC Flash program memory (22K x 24) and 8 KB SRAM, housed in a 36-pin UQFN (5x5) package with exposed pad. It is supplied from a 2.0V to 3.6V rail and delivers 16 MIPS performance, with tape-and-reel packaging for high-volume assembly. An MCU (microcontroller unit) is a single-chip computer integrating a CPU core, non-volatile program memory, working RAM, and a rich set of peripherals such as ADC, timers, communication interfaces and I/O. The PIC24F is Microchip's 16-bit low-power MCU family, sitting hierarchically between 8-bit PIC16/PIC18 parts and 32-bit PIC32MX parts. The 'FJ' prefix indicates Flash program memory with ECC and the company's eXtreme Low Power (XLP) technology, with sleep currents in the hundreds of nanoampere range while retaining core state. The 'GP2/GU2' sub-family additionally provides Full-Speed USB 2.0 Host/Device/OTG and a collection of Core Independent Peripherals (CIPs) that offload tasks like signal generation, waveform measurement and data manipulation from the CPU. Key specifications include a 16 MIPS execution rate at 32 MHz, integrated 64 KB ECC Flash plus 8 KB RAM, multiple 10/12-bit ADC channels, two UART, two I2C and two SPI peripherals, and five 16-bit timers plus five CCP modules. The device operates across -40C to +85C industrial temperature range and supports ICSP (In-Circuit Serial Programming) for production programming. Architecturally, the PIC24FJ64GP203T uses a 16-bit modified Harvard RISC engine with a 24-bit instruction word, deterministic instruction timing, and hardware Multiply/Divide assist. The internal oscillator and PLL allow operation from an external 32.768 kHz crystal up to the 32 MHz system clock, with on-the-fly clock switching for ultra-low-power modes. Typical applications include low-power USB peripherals, sensor signal processing nodes, consumer electronics with USB HID interfaces, portable medical devices, and industrial IoT edge nodes. It pairs naturally with external sensors, RF transceivers, and graphic or segment displays. When designing in this part, allocate the UQFN exposed pad to a continuous ground plane for thermal and electrical performance. Plan a stable 3.3 V LDO such as the MCP1700 upstream, and follow Microchip's USB-IF-compliant PCB layout guidelines if the Full-Speed USB peripheral is enabled. This page synthesizes distributor pricing, cross-reference equivalents, and practical design notes that are not found in the manufacturer datasheet alone.

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PIC24FJ64GP205-E/PT - 16-bit XLP MCU, 64KB Flash, USB | Microchip
PIC24FJ64GP205-E/PT

PIC24FJ64GP205-E/PT - 16-bit XLP MCU, 64KB Flash, USB | Microchip

The Microchip Technology PIC24FJ64GP205-E/PT is a 16-bit microcontroller from the PIC24F family featuring a 16 MIPS modified Harvard architecture, 64 KB of ECC Flash, 8 KB of RAM, and Full-Speed USB 2.0 Host/Device/OTG support, housed in a 48-pin TQFP (7x7 mm) package. The device is built on the eXtreme Low Power (XLP) platform, achieving sleep currents down to a few hundred nanoamperes while retaining core independent peripherals (CIPs), making it well-suited for battery-powered and energy-harvesting designs. A PIC microcontroller is a compact, programmable embedded computing device that integrates a CPU core, non-volatile Flash memory, RAM, peripherals, and I/O into a single IC. PIC24F devices are 16-bit microcontrollers positioned between 8-bit PIC MCUs and 32-bit PIC32 parts in Microchip's portfolio, and they sit within the broader embedded microcontroller category alongside ARM Cortex-M parts, MSP430, and AVR. The PIC24FJ64GP205 specifically belongs to the GP2/GU2 sub-family, which adds USB and richer CIP analog/digital peripherals to the baseline PIC24FJ architecture. Key features include 64 KB ECC Flash (22K x 24 words), 8 KB RAM, 16 MIPS performance at 32 MHz CPU clock, a 12-bit A/D converter with up to 13 channels, multiple 16-bit timers, RTCC with calendar mode, and a CLC (Configurable Logic Cell). The device operates from 2.0V to 3.6V VDD and includes a built-in 32 kHz low-power oscillator that supports deep-sleep operation. The E-temperature grade variant extends the operating range to -40C to +125C for industrial applications. The modified Harvard architecture separates program and data buses, allowing simultaneous fetch and read access, while the CIP approach places peripheral functionality in hardware blocks that operate independently of the CPU. This combination reduces firmware complexity, lowers power, and frees MIPS for application logic. The hardware USB 2.0 Full-Speed OTG controller (in the GP part number) integrates physical-layer transceivers and eliminates an external USB ASIC, simplifying USB device and embedded host designs. Typical applications include portable medical and wellness monitors, low-power sensor nodes with USB connectivity, USB peripherals such as HID input devices and data loggers, consumer wearables, and industrial Human-Machine Interface (HMI) panels. The XLP current profile and CIP analog make the part well suited for battery-backed systems that must run for years on a single cell. When designing with this part, allocate PCB area for the 48-pin TQFP (PT) land pattern and a decoupling network of one 100 nF plus one 10 uF bulk cap near VDD/AVDD pins. For USB designs, follow Microchip's USB PCB layout guideline: 90-ohm differential impedance on D+/D-, common-mode choke placement, and a 0.1 uF local bypass on VUSB. Choose the I-temp grade for industrial and the E-temp grade for extended-temperature applications. This page synthesizes distributor pricing, drop-in compatible alternatives from the same PIC24FJ family, and practical design notes not found on a single manufacturer page.

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PIC24FJ64GP205-I/PT - 16-bit 32MHz MCU 64KB Flash TQFP-48 | Microchip
PIC24FJ64GP205-I/PT

PIC24FJ64GP205-I/PT - 16-bit 32MHz MCU 64KB Flash TQFP-48 | Microchip

The Microchip Technology PIC24FJ64GP205-I/PT is a 16-bit microcontroller from the PIC24F eXtreme Low Power (XLP) family, featuring a 32 MHz MIPS core, 64 KB ECC Flash, and 8 KB RAM in a 48-pin TQFP (7x7 mm) package. According to the Microchip product page, it integrates the standard PIC24F peripherals including multiple UART/SPI/I2C, 12-bit ADC, and Core Independent Peripherals, all optimized for low-power operation. It targets USB-less general-purpose embedded designs that still demand the XLP sleep current profile. A 16-bit PIC microcontroller is a Harvard-architecture MCU built around Microchip's modified-RISC 16-bit core with a rich 16-bit instruction set, DSP instructions, and a wide range of on-chip peripherals. PIC24FJ parts sit in the lower-power tier of the 16-bit PIC lineup and are commonly used as system controllers, sensor aggregators, and Human-Machine Interface (HMI) drivers where deterministic real-time response and low standby current are required. The GP2xx sub-family is the general-purpose variant (no USB on-die) as opposed to the GU2xx USB-equipped variant. Key differentiating features of the PIC24FJ64GP205-I/PT include: 64 KB ECC Flash (22K x 24 words) for code + bootloader storage, 8 KB SRAM for runtime data, eXtreme Low Power technology with sub-uA sleep currents, and the 48-pin TQFP (PT) industrial temperature grade (-40C to +85C). The PIC24F core executes most instructions in one cycle, delivering up to 16 MIPS at 32 MHz while keeping active current modest. The 12-bit ADC and rich timer/capture/PWM blocks make it well-suited for mixed-signal embedded designs. Architecturally, the device uses a 16-bit modified Harvard core with separate program and data buses, a hardware multiply/divide unit, and DSP-friendly instructions. The internal regulator and on-chip LDO eliminate the need for an external 1.8V supply, while the XLP topology gates unused peripheral clocks to keep dynamic power low. Memory partitioning supports Dual-Partition Flash for safe field upgrades, a notable advantage over single-bank MCUs in this class. Typical applications include battery-powered IoT sensor nodes, industrial control front-ends, medical handheld instruments, consumer HMI panels, and segment-LCD or low-power display controllers. The device is also a strong fit for USB-host-free accessories, ELD/logging peripherals, and portable test gear where standby current is critical. The wide operating voltage (2.0V to 3.6V) supports both 2xAA alkaline and single-cell Li-Ion battery topologies. When designing with this part, ensure decoupling follows Microchip's recommendation of one 100 nF ceramic per VDD pin plus a bulk 10 uF near the regulator output. Configure unused I/O as outputs low to avoid floating-pin shoot-through. For low-power designs, use Deep Sleep mode with RTCC running and exit via an external interrupt or RTCC alarm to keep average current below 1 uA. This page synthesizes distributor pricing, drop-in PIC24FJ alternatives, application guidance, and design notes that go beyond the manufacturer datasheet to support faster component selection and PCB-level decision making.

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PIC24FJ64GU202-E/ML - 16-bit MCU, 64KB Flash, USB OTG, 28-QFN | Microchip
PIC24FJ64GU202-E/ML

PIC24FJ64GU202-E/ML - 16-bit MCU, 64KB Flash, USB OTG, 28-QFN | Microchip

The Microchip PIC24FJ64GU202-E/ML is a 16-bit PIC24F microcontroller built on the eXtreme Low-Power (XLP) architecture, offering 64KB of ECC Flash, 8KB of RAM, and Full-Speed USB 2.0 Host/Device/OTG in a 28-pin QFN (6x6 mm) package rated for the extended -40C to +125C industrial temperature range. A PIC24F microcontroller is a 16-bit Harvard-architecture MCU in the broader PIC microcontroller family, sitting within Microchip's ultra-low-power 16-bit segment. It executes 16 MIPS at 32 MHz, balances code density with deterministic interrupt handling, and occupies the middle tier between 8-bit PIC MCUs and 32-bit ARM Cortex-M parts in the embedded hierarchy (PIC24F -> PIC24 family -> PIC microcontrollers -> microcontroller -> semiconductor). PIC24FJ GP2/GU2 devices integrate Core Independent Peripherals (CIPs) that execute hardware-state-machine tasks without CPU load, enabling responsive USB and sensor interfaces on a low-power platform. Key features include 64KB ECC Flash (22K x 24), 8KB RAM, Full-Speed USB 2.0 OTG, sleep currents in the hundreds of nanoamps while retaining SRAM, up to 16 MIPS performance, and 23 capacitive-touch-friendly I/O pins. The device also integrates multiple communication peripherals (I2C, SPI, UART, PMP, IrDA, LIN), 12-bit A/D with CTMU for mTouch capacitive sensing, RTCC with calendar, and hardware AES/DES crypto engines. The architecture pairs a 16-bit modified Harvard CPU with a tightly-coupled DMA controller, dual-watchdog and 5-stage pipeline, providing deterministic response for USB and motor-control loops. ECC on Flash reduces soft-error risk in industrial environments, while the dedicated USB OTG PHY eliminates the need for an external transceiver. Independent CIP blocks - 16-bit timers, Input Capture, Output Compare, and the CLC - allow concurrent analog and digital state-machine logic. Typical applications include USB human-interface devices (HID), wearable health sensors, low-power IoT nodes, industrial data loggers, and capacitive-touch user interfaces. The wide -40C to +125C operating range also makes the device suitable for automotive-grade adjacent applications where USB connectivity and extreme low standby power are simultaneously required. When designing with this part, ensure VUSB 3.3V rail decoupling is adequate (typically 4.7uF plus 0.1uF) to support Full-Speed USB signaling, and respect the 28-QFN exposed-pad (EP) requirement to solder the thermal pad to a grounded copper pour for both thermal relief and signal-ground reference. This page synthesizes Microchip product-page specifications, distributor pricing, drop-in alternatives, and practical design notes not consolidated in the manufacturer datasheet, providing engineers a single reference for source selection.

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PIC24FJ64GU202-E/SS - 64KB ECC Flash USB MCU, 28-SSOP
PIC24FJ64GU202-E/SS

PIC24FJ64GU202-E/SS - 64KB ECC Flash USB MCU, 28-SSOP

The Microchip Technology PIC24FJ64GU202-E/SS is a 16-bit PIC24 microcontroller with 64 KB of ECC Flash and 8 KB of RAM, integrating Full-Speed USB 2.0 Host/Device/OTG and an eXtreme Low-Power (XLP) sleep mode. It runs up to 32 MHz delivering 16 MIPS performance and is housed in a 28-pin SSOP package rated for the extended -40C to +125C industrial temperature range. Core independent peripherals include a 9-channel 12-bit ADC, multiple CCP/PWM channels, CLC blocks, comparators, and RTCC. A 16-bit microcontroller (MCU) is a programmable processor whose data path, registers, and ALU are 16 bits wide, providing roughly an order-of-magnitude higher throughput than 8-bit MCUs while retaining deterministic interrupt latency. The PIC24FJ family belongs to the broader category of mixed-signal microcontrollers (semiconductor -> IC -> microcontroller -> 16-bit MCU) and is designed for low-power embedded applications where USB connectivity and on-chip analog are required. Key features of the PIC24FJ64GU202-E/SS include up to 64 KB self-programmable Flash with ECC, 8 KB SRAM, USB 2.0 FS OTG with on-chip transceiver, deep sleep currents in the few-hundred-nA range with full RAM retention, and 2 UART, 2 SPI, and 2 I2C serial interfaces. DMA channels offload the CPU from peripheral data movement, and the configurable logic cell (CLC) peripheral enables hardware-state-machine glue logic without external gates. Typical applications include USB HID peripherals (keyboards, mice, custom input devices), low-power sensor hubs, USB-to-UART bridges, wearable medical patches, and consumer IoT nodes that need always-on battery life. When designing with this device, provide a stable 3.0-3.6 V rail to VDD, route USB DP/DM as a 90-ohm differential pair, and place the VUSB capacitor within a few millimeters of the VUSB pin. The MPLAB X IDE plus MPLAB Code Configurator (MCC) generates USB stack code and pin mappings automatically, reducing firmware time-to-market. This page synthesizes distributor pricing, verified drop-in alternatives, and practical design notes that go beyond the manufacturer datasheet.

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PIC24FJ64GU202-I/ML - 64KB Flash USB MCU, 28-QFN | Microchip
PIC24FJ64GU202-I/ML

PIC24FJ64GU202-I/ML - 64KB Flash USB MCU, 28-QFN | Microchip

The Microchip PIC24FJ64GU202-I/ML is a 16-bit PIC24F microcontroller with 64KB ECC Flash, 8KB RAM, Full Speed USB 2.0 Host/Device/OTG, and eXtreme Low Power (XLP) technology, housed in a 28-pin QFN (6x6 mm) package. It operates up to 32 MHz delivering 16 MIPS, supports 2.0V-3.6V core/IO supply, and integrates multiple Core Independent Peripherals (CIPs) including a 9-channel 12-bit ADC, comparators, PWM, RTCC, and configurable logic cells. A 16-bit microcontroller is a CPU with a 16-bit data path and instruction set, sitting in the hierarchy above 8-bit MCUs and below 32-bit ARM Cortex-M parts. The PIC24F family uses a modified Harvard architecture with 16-bit instructions and 24-bit addressing, optimized for deterministic real-time control with low power consumption. Compared with 8-bit PIC MCUs, the PIC24F delivers higher throughput (16 MIPS) and larger address space (up to 64KB Flash and 8KB RAM here), while keeping the simple peripheral integration of the PIC ecosystem. Key differentiating features of the PIC24FJ64GU202 include hardware ECC on Flash for improved reliability, integrated USB 2.0 Full Speed On-The-Go (rare in low-power MCUs), and sub-uA sleep currents with retention (down to a few hundred nA according to the Microchip product page). The device also supports eXtreme Low Power modes including deep sleep, sleep, idle, and dozing, plus peripheral module disable to gate unused blocks. Typical applications include battery-powered IoT sensor nodes, USB peripherals (HID, CDC, composite devices), wearable health devices, remote controls, low-cost instrumentation, and consumer electronics with USB charging. The integrated USB OTG eliminates the need for an external PHY, simplifying BOM for low-volume designs. When designing with this device, allocate a generous copper pour under the exposed pad for thermal dissipation and use a 4-layer PCB if USB signal integrity is critical. The internal 8 MHz FRC oscillator with PLL allows operation without an external crystal, but USB requires the more accurate 48 MHz clock domain from PLL. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC24FJ64GU202-I/MV - 16-bit MCU, USB, 64KB Flash, UQFN-28 | Microchip
PIC24FJ64GU202-I/MV

PIC24FJ64GU202-I/MV - 16-bit MCU, USB, 64KB Flash, UQFN-28 | Microchip

The Microchip Technology PIC24FJ64GU202-I/MV is a 16-bit microcontroller from the PIC24F family that integrates Full-Speed USB 2.0 Host/Device/OTG, 64KB of ECC Flash, and 8KB of RAM in a compact 28-pin UQFN (MV, 4x4 mm) package. The part runs at up to 32 MHz (16 MIPS) and operates from 2.0V to 3.6V, making it well suited to battery-powered and low-voltage embedded systems. A 16-bit MCU (microcontroller unit) is a single-chip computer that combines a CPU, non-volatile program memory, working RAM, and a set of on-chip peripherals such as timers, ADC, communication controllers and I/O. The PIC24FJ family is positioned between 8-bit PIC16/PIC18 devices and 32-bit PIC32 parts; within the broader product taxonomy it sits in the hierarchy MCU -> microcontroller -> embedded processor -> semiconductor. The 'FJ' suffix denotes Microchip's eXtreme Low-Power (XLP) line, which uses proprietary nanoWatt technology to push sleep current down to a few hundred nanoamps while still retaining RAM and interrupt context. Key features of this device include a 12-bit ADC configurable as up to 9 channels, four 16-bit timers, two UART, two SPI, two I2C, a 9-channel 10-bit DAC reference, and a charge time measurement unit (CTMU) for capacitive touch and temperature sensing. Integrated core-independent peripherals (CIPs) such as Configurable Logic Cells, Signal Measurement Timers, and PWM with hardware fault handling let the MCU react to events without waking the CPU, which further reduces system power. The 64KB of Flash supports error correction (ECC), providing single-bit error correction and double-bit error detection, which is critical for safety and IEC 60730 class-B applications. The dedicated USB 2.0 Full-Speed transceiver includes on-chip pull-up resistors and can operate as device, host, or OTG, eliminating external PHY chips. Typical applications include USB HID peripherals, USB-to-UART bridges, sensor hubs, low-power IoT nodes, wearable health devices, and battery-powered data loggers. The combination of small 4x4 mm UQFN package and XLP sleep currents below 1 uA also makes the part attractive for space-constrained wearable products. Design tip: when using the on-chip USB transceiver, route the D+/D- pair as a 90-ohm differential pair with a clean ground return, and place the 0.1 uF VUSB decoupling capacitor within 2 mm of the VUSB pin. Internal pull-up on D+ is software-selectable, so an external 1.5K pull-up is normally not required. This page synthesizes distributor pricing, drop-in alternatives in the same UQFN-28 (MV) package, and practical design notes not found in the manufacturer datasheet alone.

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PIC24FJ64GU202-I/SO - 16-bit USB MCU, 64KB Flash, 28-SOIC
PIC24FJ64GU202-I/SO

PIC24FJ64GU202-I/SO - 16-bit USB MCU, 64KB Flash, 28-SOIC

The Microchip Technology PIC24FJ64GU202-I/SO is a 16-bit PIC24F microcontroller running at up to 32 MHz (16 MIPS) with 64 KB ECC Flash and 8 KB RAM, housed in a 28-pin SOIC package. It integrates Full-Speed USB 2.0 Host/Device/OTG, eXtreme Low Power (XLP) sleep modes measured in hundreds of nA, and a 12-bit ADC configurable as up to 9 channels. The 'GU2' sub-family is positioned for low-power connected embedded nodes that need USB without paying for higher pin-count USB OTG parts. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, peripherals, and I/O on one die. The 16-bit PIC24F class sits between 8-bit PIC MCUs and 32-bit ARM Cortex parts: it offers 16 MIPS throughput at 32 MHz, a modified Harvard architecture, and DSP-friendly instructions for sensor processing. Within the power-management hierarchy, MCU families are grouped as general-purpose (GP), graphics (DA), USB (GU), and low-power (GL), and the GU2 line specifically bundles Full-Speed USB with XLP current budgets below 1 µA in sleep. Key features include 64 KB (22K x 24) ECC Flash with self-programmability, 8 KB RAM, an integrated USB 2.0 Full-Speed PHY supporting Host/Device/OTG roles, four 16-bit timers, multiple UART/SPI/I2C peripherals, and a 12-bit ADC with 9 channels. The PIC24FJ64GU202-I/SO also exposes Peripheral Pin Select (PPS) for flexible signal routing, a Real-Time Clock Calendar (RTCC) with calendar mode, and Core Independent Peripherals (CIPs) such as CLC and 16-bit PWM that run without CPU intervention. Typical applications include USB HID peripherals, USB-to-UART bridges, low-power sensor nodes with USB charging, medical data loggers, and industrial human-machine interfaces (HMIs). The USB OTG capability also supports point-of-sale terminals and small appliances that need to act as either host or device. When designing with this device, allocate a 4 KB Flash block for the USB bootloader to enable field firmware upgrades, and add a 0.1 µF decoupling capacitor close to every VDD pin. Because the part is in a 300-mil 28-SOIC, hand-soldering and rework remain straightforward even at prototype volumes. This page synthesizes distributor pricing, drop-in alternatives, and design notes not collected on the manufacturer datasheet or single distributor listing.

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PIC24FJ64GU202-I/SS - 64KB USB MCU 16-bit 32MHz SSOP-28 | Microchip
PIC24FJ64GU202-I/SS

PIC24FJ64GU202-I/SS - 64KB USB MCU 16-bit 32MHz SSOP-28 | Microchip

The Microchip Technology PIC24FJ64GU202-I/SS is a 16-bit PIC24 microcontroller built on the eXtreme Low-Power (XLP) platform, integrating 64 KB of ECC Flash, 8 KB of RAM, and a Full-Speed USB 2.0 Host/Device/OTG controller in a 28-pin SSOP package. It operates up to 32 MHz (16 MIPS), supports 2.0 V to 3.6 V supply, and features 20 general-purpose I/O. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), data memory (RAM), and a rich set of on-chip peripherals such as timers, ADC, communication controllers, and I/O. Within the broader taxonomy, the PIC24FJ64GU202 belongs to the 16-bit MCU class, which sits between 8-bit MCUs (PIC10/12/16) and 32-bit MCUs (PIC32/MIPS). It targets USB-connected embedded applications where deterministic interrupt response and ultra-low sleep current are required. Key features include a 9-channel 12-bit ADC, four 16-bit timers, two UART, two SPI, two I2C, a Real-Time Clock/Calendar (RTCC) with calendar mode, and Core Independent Peripherals (CIPs) such as CLC, MCCP, and PWM. The eXtreme Low-Power design provides sleep current down to a few hundred nanoamps while retaining RAM and full register context, with wake-up times in the microsecond range. Boundary-scan support (JTAG) is included for production test. Architecturally, the PIC24FJ64GU202 uses a 16-bit modified Harvard core with a 24-bit instruction word, a 7-stage pipeline, and hardware Multiply/Divide. The integrated USB 2.0 FS OTG controller includes an on-chip transceiver, requiring only an external bus-pull-up and the standard 48 MHz derived from the system clock. The CIPs operate without CPU intervention, reducing firmware complexity and power consumption. Typical applications include USB Human Interface Devices (HID), USB-to-UART bridges, USB barcode scanners, USB medical sensors, USB charging controllers, and battery-powered data loggers with USB connectivity. The XLP feature set is also well-suited to wearable health and IoT edge devices that spend long periods in sleep between transactions. When designing with this part, ensure the USB bus-power path supports the inrush and suspend current budget (USB 2.0 specifies 100 mA/500 mA in high-power and 2.5 mA in suspend). Use Microchip's MPLAB X IDE with the XC16 compiler and the MLA USB stack for rapid firmware development. Decouple VDD/VUSB per the datasheet reference layout, and consider a watchdog timer for long-run USB applications. This page synthesizes distributor stock and pricing, drop-in compatible SSOP-28 alternatives from the PIC24FJ family, and practical design notes on USB bus-power and XLP sleep currents that go beyond the manufacturer datasheet.

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PIC24FJ64GU202T-I/MV - 16-bit 32MHz USB MCU, 64KB Flash | Microchip
PIC24FJ64GU202T-I/MV

PIC24FJ64GU202T-I/MV - 16-bit 32MHz USB MCU, 64KB Flash | Microchip

The Microchip Technology PIC24FJ64GU202T-I/MV is a 16-bit PIC24F microcontroller from the PIC24FJ GP2/GU2 family, integrating 64KB of ECC Flash, 8KB of RAM, and a Full-Speed USB 2.0 Host/Device/OTG controller in a compact 28-pin UQFN (MV, 4x4 mm) package. It operates at up to 32 MHz (16 MIPS) from a 2.0V to 3.6V supply and is offered in the industrial -40C to +85C temperature grade with tape-and-reel packaging. A 16-bit microcontroller (MCU) is a microprocessor-class device that integrates a CPU core, program memory (Flash), data memory (RAM), and a rich set of peripherals on a single die. The PIC24FJ family uses a modified Harvard architecture with a 16-bit data path and 24-bit instruction word, which sits between classic 8-bit MCUs and 32-bit ARM Cortex-M parts in terms of code density, determinism, and DSP capability. Within the broader taxonomy, the PIC24FJ belongs to the 16-bit microcontroller category, which itself falls under the larger MCU > microcontroller > embedded processor hierarchy used in industrial, consumer, and IoT designs. Key features of the PIC24FJ64GU202 include extreme low-power (XLP) operation with sleep currents as low as a few hundred nanoamperes while retaining key state, multiple Core Independent Peripherals (CIPs) for offloading tasks from the CPU, an integrated USB 2.0 Full-Speed transceiver with on-chip pull-up/pull-down resistors, configurable logic cells, and a 10-bit ADC. The eXtreme Low-Power design makes the part suitable for battery-powered and energy-harvesting applications where idle current dominates battery life. The architecture pairs a 16-bit modified Harvard CPU with hardware multiply/divide, a flexible interrupt controller, and a wide peripheral mix. 64KB ECC Flash provides single-bit error correction to improve reliability in noisy industrial environments, while 8KB RAM supports USB packet buffering and moderate protocol stacks without external memory. Typical applications include USB HID and CDC devices, low-power wireless sensor nodes with USB debug, battery-powered instrumentation, portable medical peripherals, USB dongles, and consumer accessories. The 28-pin footprint is ideal when PCB area is at a premium but USB connectivity is still required. When designing with this part, pay attention to the 2.0V minimum Vdd, the USB-specific layout rules (90-ohm differential impedance on D+/D-), and the recommended decoupling scheme (typically 100nF plus 10uF bulk). The exposed thermal pad on the UQFN package improves dissipation but must be soldered to the ground plane for electrical and thermal performance. This page synthesizes verified distributor pricing, drop-in Microchip and cross-brand alternatives, and practical design notes not consolidated in the manufacturer datasheet, helping engineers source, qualify, and design with the PIC24FJ64GU202T-I/MV faster.

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PIC24FJ64GU202T-I/SO - 16-bit 32MHz USB MCU, 64KB Flash | Microchip
PIC24FJ64GU202T-I/SO

PIC24FJ64GU202T-I/SO - 16-bit 32MHz USB MCU, 64KB Flash | Microchip

The Microchip Technology PIC24FJ64GU202T-I/SO is a 16-bit microcontroller from the PIC24F GP2/GU2 family that delivers up to 32 MHz performance (16 MIPS) from a modified Harvard architecture, packaged in a 28-pin SOIC with 64 KB of ECC Flash program memory and 8 KB of SRAM. It integrates a Full-Speed USB 2.0 Host/Device/OTG controller, several Core Independent Peripherals (CIPs), and Microchip's eXtreme Low Power (XLP) technology that drops sleep current to a few hundred nanoamps while retaining the SRAM and interrupt context, enabling multi-year battery life in USB peripherals. A 16-bit microcontroller (MCU) is a programmable logic device with a 16-bit data path and instruction word that sits between simple 8-bit microcontrollers and full 32-bit ARM Cortex-M parts. The PIC24F sits in the broader hierarchy of microcontroller -> embedded controller -> semiconductor, where it offers more computational headroom, larger memory, and richer peripherals than 8-bit parts at the cost of slightly larger silicon and more sophisticated power sequencing. The PIC24FJ64GU202 is part of Microchip's 'GP2/GU2' sub-family, distinguished by its integrated USB 2.0 transceiver, hardware crypto engine on select variants, and a wide 2.0 V to 3.6 V VDD range that simplifies single-cell Li-ion and two-AA designs. Key differentiating features include 20 general-purpose I/O pins grouped across multiple ports, a 10-bit ADC with multiple conversion trigger sources, multiple UART/SPI/I2C peripherals, hardware RTCC, and Configurable Logic Cells (CLC) that implement glue logic in firmware-free hardware. The CLCs, 16-bit PWM, and quadrature encoder interface free the CPU from bit-banging tasks, a hallmark of the 'Core Independent Peripherals' (CIPs) philosophy. Technically, the GU2 family uses a 16-bit modified Harvard CPU with 32 MHz oscillator and a 2-cycle system clock, paired with on-chip FRC accuracy suitable for USB without an external crystal in some configurations. The integrated USB 2.0 Full-Speed transceiver supplies Host, Device, and OTG roles, with internal pull-up/pull-down resistors configurable in firmware. The CIPs - including CLC, MCCP, 16-bit PWM, and 32-bit CRC - run without CPU intervention, freeing MIPS for application code. Typical applications include USB HID peripherals (keyboards, mice, custom HID), USB-to-UART bridges, USB charging controllers with host mode, low-power sensor data loggers, and portable medical or industrial instrumentation that benefits from XLP nanoamp sleep current. The 28-SOIC footprint supports hand-solderable prototypes and through-hole-friendly DFA. When designing with this part, pay attention to VDD-VUSB supply topology: the USB transceiver requires a regulated 3.3 V, and decoupling must follow Microchip's 28-pin SOIC reference layout to pass USB-IF compliance. The XLP deep-sleep mode requires all wake sources to be re-armed on every wake cycle - firmware state machines should be designed around the Sleep/Wake peripheral library. This page synthesizes distributor pricing across DigiKey and Mouser, drop-in same-family alternatives in the same 28-SOIC footprint, and practical design notes not collocated in the manufacturer datasheet.

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PIC24FJ64GU202T-I/SS - 16-bit 32MHz USB MCU 64KB Flash | Microchip
PIC24FJ64GU202T-I/SS

PIC24FJ64GU202T-I/SS - 16-bit 32MHz USB MCU 64KB Flash | Microchip

The Microchip Technology PIC24FJ64GU202T-I/SS is a 16-bit microcontroller from the PIC24F GP2/GU2 family, delivering 16 MIPS performance from a 32 MHz CPU core, 64 KB ECC Flash program memory, and 8 KB SRAM in a 28-pin SSOP package. The part integrates a Full-Speed USB 2.0 Host/Device/OTG controller and a Core Independent Peripherals (CIPs) set that offloads timing-critical tasks from the CPU, enabling deterministic low-power behavior with sleep current down to a few hundred nA while retaining core state. A 16-bit microcontroller (MCU) is a microprocessor core with a 16-bit data path, embedded Flash program memory, RAM, and on-chip peripherals such as timers, ADC, communication controllers and interrupt logic. The PIC24F sits in the hierarchy: 16-bit MCU -> flash microcontroller -> embedded controller -> semiconductor. The PIC24FJ64GU202T-I/SS belongs to the PIC24F family that uses a modified Harvard architecture with a 24-bit instruction word and 16-bit data path, allowing single-cycle 16x16-bit multiply operations and a C-friendly runtime model. Key features of this device include 64 KB (22K x 24) self-programmable Flash with error-correcting code, 8 KB SRAM, an integrated USB 2.0 Full-Speed On-The-Go transceiver, multiple UART/SPI/I2C peripherals, a 10-bit 1.1 Msps ADC, and the eXtreme Low Power (XLP) sleep architecture with retention. The 28-SSOP package exposes the USB D+/D- pins, two 16-bit timers, five 16-bit timers/counters, and up to 25 general-purpose I/O depending on remap configuration. The CPU runs at 32 MHz with a 4-cycle pipeline, providing 16 MIPS throughput, while the Flash controller supports live updates via dual-partition Flash and ECC single-error correction/double-error detection. The CIP block includes configurable logic cells, a 32-bit CRC, and a hardware AES engine in higher family members; this variant focuses on USB + XLP + ADC for low-pin-count designs. Typical applications include low-pin-count USB peripherals (HID, CDC, custom class), wearable health sensors, IoT edge nodes, industrial data loggers, and battery-powered instrumentation. The XLP sleep currents below 500 nA (RAM retention) make it well suited to coin-cell devices. Designers should provide a stable 3.3 V rail, route the USB D+/D- pair as a 90 ohm differential, and reserve an ICP/ICD pin header for in-circuit programming. The T suffix indicates Tape-and-Reel, the I indicates the industrial -40C to +85C temperature range, and the /SS suffix identifies the 28-SSOP package. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC24FJ64GU203-I/M5 - 16-bit 32MHz USB MCU | Microchip
PIC24FJ64GU203-I/M5

PIC24FJ64GU203-I/M5 - 16-bit 32MHz USB MCU | Microchip

The Microchip Technology PIC24FJ64GU203-I/M5 is a 16-bit microcontroller from the PIC24F 'GP2/GU2' family operating at 32 MHz (16 MIPS) with 64 KB ECC Flash and 8 KB RAM in a 36-pin UQFN (5x5) package. It integrates Full-Speed USB 2.0 Host/Device/OTG, multiple Core Independent Peripherals (CIPs), and eXtreme Low-Power (XLP) technology with sleep currents down to a few hundred nanoamps while retaining SRAM and peripheral state. The 64 KB of program Flash is organized as 22K x 24 words and supports Error-Correcting Code for improved reliability in safety-critical applications. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and a rich set of peripherals such as timers, communication interfaces, ADC, and I/O. The PIC24F uses a 16-bit modified Harvard architecture with a 24-bit instruction word optimized for deterministic C-compiled code. Microcontrollers sit at the lowest layer of embedded compute hierarchies - below microprocessors (MPUs) - and above general-purpose logic ICs, dominating battery-powered and real-time-control designs because they integrate everything needed for autonomous decision making in a single die. Key features of this part include a hardware Real-Time Clock and Calendar (RTCC) with calendar mode, Configurable Logic Cells (CLC) for combinational/sequential logic, multiple PWM/SCCP/MCCP timer/capture modules, a 10/12-bit ADC, comparators, a parallel master port, and flexible DMA-driven peripheral operation. The device runs from 2.0 V to 3.6 V supply with on-chip LDO core regulation, and provides 25+ MIPS/MHz efficient execution through a 2-stage instruction pipeline and 16-bit-wide data path. Typical applications span USB peripherals (CDC/HID/MSD/HID-Data devices), low-power wireless sensor nodes, battery-powered IoT endpoints, wearable health monitors, e-metering, human-interface devices (keyboards, mice, game controllers), and consumer electronics where USB-OTG and long battery life are mandatory. The XLP technology with sub-microamp sleep currents enables multi-year coin-cell operation in environmental sensors and remote controls. When designing with this IC, ensure VDD decoupling uses a 100 nF ceramic within 2 mm of each power pin plus a bulk 1-10 uF tantalum; route the USB D+/D- pair as a 90-ohm differential with matched length. The on-chip LDO may require a small 1 uF bypass even when the part is powered from an external 3.3 V rail. This page synthesizes verified distributor pricing, drop-in Microchip alternatives from the same PIC24FJ family, application notes, and design considerations that complement the manufacturer datasheet rather than simply repeating it.

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PIC24FJ64GU205-E/M4 - 16-bit USB MCU, 64KB Flash, 48-UQFN | Microchip
PIC24FJ64GU205-E/M4

PIC24FJ64GU205-E/M4 - 16-bit USB MCU, 64KB Flash, 48-UQFN | Microchip

The Microchip Technology PIC24FJ64GU205-E/M4 is a 16-bit microcontroller from the PIC24F family that integrates a full-speed USB 2.0 peripheral, 64 KB of ECC Flash and 8 KB of SRAM, and runs at up to 32 MHz (16 MIPS) while housed in a 48-pin 6x6 mm UQFN (M4) package. It is built around the eXtreme Low-Power (XLP) architecture that enables sub-microamp sleep currents, making it one of the lowest-power USB-capable 16-bit MCUs in its class. An MCU (microcontroller) is a single-chip computer that combines a CPU core, program memory (Flash), data memory (RAM), and a rich set of peripherals such as timers, communication interfaces, and analog blocks. Within the PIC24F sub-family, the 'GU2' variants specifically add a USB 2.0 Full-Speed peripheral alongside the standard peripherals. The PIC24FJ64GU205-E/M4 sits inside the PIC24F -> 16-bit MCU -> microcontroller -> embedded processing taxonomy, and is widely used as a drop-in USB host/device node in cost- and power-sensitive embedded systems. Key features of the PIC24FJ64GU205-E/M4 include: 64 KB ECC Flash organised as 22K x 24 words for self-correcting code storage, 8 KB RAM, a 16-bit timer/counter architecture that delivers 16 MIPS throughput at 32 MHz, integrated USB 2.0 Full-Speed with on-chip transceiver, and a 12-bit ADC plus multiple serial interfaces (UART, SPI, I2C). The extended ('-E') temperature grade spans -40C to +125C for industrial environments. Architecturally, the device uses a modified Harvard core with a 16-bit wide instruction path and a deterministic interrupt model, paired with Microchip's nanoWatt XLP technology for ultra-low-power sleep. The hardware USB engine offloads protocol handling from the CPU, freeing MIPS for application code, while the ECC Flash improves reliability for unattended or remote installations. Typical applications include USB HID peripherals (keyboards, mice, custom input devices), USB-to-UART bridges, low-power IoT sensor nodes with USB diagnostic ports, industrial data loggers, and battery-powered medical instruments. The wide temperature range and small 6x6 mm UQFN footprint also suit compact automotive and consumer designs. When designing with this part, note that the M4 (UQFN-48) variant has an exposed pad that must be soldered to the board ground plane for thermal and electrical performance; failure to do so can degrade USB signal integrity at high ambient temperatures. This page synthesises current distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a single source for both parametric data and procurement decisions.

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PIC24FJ64GU205-I/M4 - 16-bit USB MCU, 64KB Flash, 48-UQFN | Microchip
PIC24FJ64GU205-I/M4

PIC24FJ64GU205-I/M4 - 16-bit USB MCU, 64KB Flash, 48-UQFN | Microchip

The Microchip Technology PIC24FJ64GU205-I/M4 is a 16-bit microcontroller from the PIC24F family, integrating 64 KB of ECC Flash and 8 KB of RAM, and operating at up to 32 MHz (16 MIPS) in a 48-pin UQFN (6x6) package. It is part of the PIC24FJ GU2 family, which adds a full-speed USB 2.0 device controller with on-chip transceiver to the eXtreme Low-Power (XLP) platform, enabling connected embedded designs without an external PHY. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash/RAM), peripherals, and I/O. The PIC24F family uses a 16-bit modified Harvard architecture with single-cycle instruction execution, providing higher code density and throughput than typical 8-bit MCUs while retaining low power consumption. Within Microchip's portfolio, the PIC24FJ GU2 sub-family is positioned for low-pin-count USB applications such as human-interface devices, portable instrumentation, and consumer peripherals. Key features include eXtreme Low-Power (XLP) technology with multiple power-saving modes (Sleep, Deep Sleep, Retention), a 16-channel 10-bit ADC, multiple communication peripherals (UART, SPI, I2C), and four 16-bit timers. The integrated USB 2.0 Full-Speed device with on-chip transceiver eliminates external PHY components, reducing BOM cost and PCB area. The device operates from 2.0V to 3.6V across an industrial -40C to +85C temperature range, with 38 available I/O pins for user applications. Architecturally, the PIC24FJ64GU205 uses Microchip's nanoWatt XLP design methodology, achieving currents under 1 uA in Deep Sleep while retaining RAM. The 16-bit datapath, 24-bit instruction word, and hardware multiply/divide make it well-suited to DSP-like filtering on sensor data without offloading to a DSP. Typical applications include USB HID peripherals (keyboards, mice, custom input devices), portable medical accessories, low-power wireless sensor nodes, USB-to-UART bridges, and consumer electronics with USB charging monitoring. The combination of USB, low power, and small footprint makes it attractive for wearable and battery-powered products. Design considerations include careful USB PCB layout (90-ohm differential impedance on D+/D-, common-mode choke, ESD protection), decoupling capacitor placement, and use of the on-chip 8 MHz internal oscillator with PLL to minimize external components. Migration between package options (UQFN-48, TQFP-48, QFN-48) within the family is supported through pin-compatible variants. This page synthesizes authorized distributor pricing, drop-in compatible alternatives within the PIC24FJ family, and practical USB layout guidance not always covered in the datasheet.

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