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PIC24FJ256GA610T-I/PT - 16-bit MCU 256KB Flash 32MHz TQFP-100 | Microchip
PIC24FJ256GA610T-I/PT

PIC24FJ256GA610T-I/PT - 16-bit MCU 256KB Flash 32MHz TQFP-100 | Microchip

The Microchip Technology PIC24FJ256GA610T-I/PT is a 16-bit microcontroller from the PIC24F family with 256 KB dual-partition Flash, 32 KB SRAM, and a 32 MHz (16 MIPS) CPU core, housed in a 100-pin TQFP (12x12 mm, 0.40 mm pitch) package with industrial temperature grade -40C to +85C. A PIC24FJ-series MCU is a 16-bit modified Harvard RISC microcontroller in the broader PIC® microcontroller family. It belongs to the eXtreme Low Power (XLP) sub-family and integrates a high-performance 16-bit DSP-enhanced core with on-chip Flash, SRAM, USB On-The-Go, and a rich peripheral set (UART, SPI, I2C, ADC, timers, RTCC). The hierarchy is: microcontroller -> embedded MCU -> semiconductor IC, with the PIC24F sitting between 8-bit PIC16/PIC18 devices and 32-bit PIC32 devices. Key features include 256 KB Flash with dual-partition Live Update for in-field firmware upgrades without downtime, 32 KB SRAM, 16 MIPS performance at 32 MHz, USB On-The-Go with integrated PHY, a 12-bit A/D converter with up to 16 channels, and multiple serial interfaces (UART/SPI/I2C). The 100-pin TQFP exposes a wide I/O count suitable for parallel buses, displays, and multi-sensor designs. The PIC24FJ256GA610T-I/PT is built on a CMOS process and is optimized for ultra-low-power operation, supporting Sleep modes down to sub-1 uA. The dual-partition Flash architecture (256 KB total split into two 128 KB partitions) enables fail-safe firmware updates: the new image is written to the inactive partition while the active partition continues running, then a swap brings the new firmware online atomically. Typical applications include industrial HMI panels, USB peripherals, portable medical/fitness devices, low-power data loggers, and any battery-powered design requiring in-field firmware upgrades. The combination of XLP, USB-OTG, and Live Update makes it well suited to designs that must remain deployed for years without service windows. Design consideration: a 100-pin TQFP requires a 12x12 mm land pattern with 0.5 mm lead pitch; route USB DP/DN as a 90 ohm differential pair with controlled impedance, and reserve the VUSB3V3 pin even when USB is unused to prevent floating-pin leakage. This page synthesizes verified distributor pricing, drop-in alternatives, application circuits, and design notes not found in the standalone manufacturer datasheet.

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PIC24FJ256GA702-E/MV - 16-bit 256KB Flash MCU, UQFN-28 | Microchip
PIC24FJ256GA702-E/MV

PIC24FJ256GA702-E/MV - 16-bit 256KB Flash MCU, UQFN-28 | Microchip

The Microchip PIC24FJ256GA702-E/MV is a 16-bit microcontroller from the PIC24F family featuring 256 KB of ECC Flash, 16 KB of RAM, and a 32 MHz (16 MIPS) core, housed in a 28-pin UQFN (4x4 mm) package. It integrates a 12-bit ADC at 200 ksps with up to 14 analog inputs, three analog comparators, a Charge Time Measurement Unit (CTMU) for capacitive touch sensing, and a Direct Memory Access (DMA) controller. The -E suffix denotes the extended industrial temperature range of -40°C to +125°C, and the /MV suffix identifies the UQFN-28 (4x4 mm) package option. A 16-bit microcontroller (MCU) is a microprocessor that combines a CPU core, program memory (Flash), data memory (RAM), and a rich set of peripheral interfaces on a single integrated circuit. The PIC24F architecture sits within the broader microcontroller hierarchy: 16-bit MCU -> embedded controller -> system-on-chip -> semiconductor. PIC24F devices are known for their eXtreme Low Power (XLP) characteristics, supporting sleep currents in the microamp range and multiple power-saving modes suitable for battery-operated designs. Key differentiating features include 256 KB of self-programmable Flash with Error-Correcting Code (ECC) for improved reliability, a 16 KB SRAM data store, and the CTMU peripheral that simplifies touch-key, proximity, and time-of-flight measurements by providing a constant current source for capacitive scanning. The device also offers multiple communication interfaces (UART, SPI, I2C), a Real-Time Clock/Calendar (RTCC), and up to 21 general-purpose I/O pins. The PIC24FJ256GA702-E/MV targets applications that demand low power consumption, robust code storage with ECC protection, and small form factors. Typical use cases include IoT sensor nodes, wearable health monitors, capacitive touch user interfaces, industrial control front-ends, and low-power wireless sensor platforms where the 4x4 mm UQFN package helps minimize PCB area. Designers should note the 28-UQFN package has an exposed thermal pad that must be soldered to the PCB ground plane for thermal dissipation and electrical performance. The device operates from 2.0 V to 3.6 V and integrates a wide range of peripherals to reduce external component count. This page combines distributor pricing, drop-in alternatives within the same UQFN-28 footprint, and practical design notes that complement the Microchip datasheet to support component selection and PCB layout decisions.

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PIC24FJ256GA702-I/ML - 16-bit 256KB Flash MCU, 28-QFN | Microchip
PIC24FJ256GA702-I/ML

PIC24FJ256GA702-I/ML - 16-bit 256KB Flash MCU, 28-QFN | Microchip

The Microchip PIC24FJ256GA702-I/ML is a 16-bit PIC24F microcontroller featuring 256 KB of ECC Flash, 16 KB of RAM, and eXtreme Low Power (XLP) technology, housed in a 28-pin QFN package with exposed pad. It integrates a 12-bit ADC at 200 ksps with up to 14 analog inputs, 3 analog comparators, and a CTMU for capacitive touch applications, alongside the rich 16-bit PIC24F peripheral set. The CPU core runs up to 32 MHz delivering 16 MIPS of computational throughput for embedded control loops. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), volatile working memory (RAM), and a configurable peripheral set. The PIC24F family sits in the broader taxonomy of microcontrollers -> embedded controllers -> semiconductors. The 'FJ' suffix indicates Flash program memory with enhanced features including Error-Correcting Code (ECC) for improved reliability in safety-sensitive applications, while the '256GA702' designator specifies 256 KB of Flash in the GA702 pin/package variant. Key differentiating specifications include 256 KB ECC Flash organized as 85.5K x 24 words, 16 KB SRAM, hardware DMA for peripheral-to-memory transfers without CPU intervention, eXtreme Low Power modes achieving sub-microamp sleep currents, and integrated peripherals including I2C, SPI, UART, and a 12-bit 200 ksps ADC. The device operates from 2.0V to 3.6V and supports -40C to +85C industrial temperature range (denoted by the 'I' suffix). Architecturally, the PIC24FJ256GA702 uses Microchip's modified Harvard architecture with separate program and data paths, a 16-bit data path, and a 24-bit instruction word. The ECC Flash implementation detects and corrects single-bit errors, which is critical for medical, industrial, and automotive applications where flash bit-flip reliability matters. Hardware DMA channels offload repetitive data movement between peripherals and RAM, freeing the CPU for application logic. Typical applications include low-power IoT sensor nodes, capacitive touch user interfaces, industrial control panels, USB device peripherals, home appliances, portable medical monitors, and battery-powered instrumentation. The combination of large memory, XLP technology, and rich analog peripherals makes it particularly suitable for human-machine interface (HMI) designs requiring touch buttons or sliders. When designing with this part, ensure the exposed pad (EP) of the QFN package is soldered to a sufficient ground copper pour for both thermal dissipation and low-impedance ground return. Programming is performed via ICSP (In-Circuit Serial Programming) using PGEDx/PGECx pins shared with general I/O - assign them carefully in the pin allocator to avoid bus conflicts during field updates. This page synthesizes distributor pricing, drop-in alternative inventory, and practical design notes that go beyond the manufacturer datasheet, with all data verified as of 2026-09-30.

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PIC24FJ256GA702-I/MV - 16-bit 256KB Flash MCU | Microchip
PIC24FJ256GA702-I/MV

PIC24FJ256GA702-I/MV - 16-bit 256KB Flash MCU | Microchip

The Microchip PIC24FJ256GA702-I/MV is a 16-bit PIC microcontroller featuring 256KB of ECC Flash, 16KB of RAM, and eXtreme Low Power (XLP) technology, packaged in a 28-pin UQFN (MV) 4x4 mm with exposed pad. It operates at up to 32 MHz delivering 16 MIPS, integrates a 12-bit ADC at 200 ksps with up to 14 analog inputs, three analog comparators, and a CTMU peripheral for touch and capacitive sensing applications. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and a rich peripheral set into one IC. The PIC24F family is positioned in Microchip's 16-bit MCU hierarchy above the 8-bit PIC16/PIC18 families and below the 32-bit PIC32MX/dsPIC lines; it offers a balance of higher performance than 8-bit devices with lower cost and power than 32-bit cores, making it well suited for low-power embedded applications. Within the PIC24FJ family, the GA702 sub-family specifically targets low-pin-count general-purpose designs with eXtreme Low Power requirements. Key features include integrated DMA support, multiple serial interfaces (UART, SPI, I2C), 5 CCP/PWM channels, and a hardware RTCC with calendar mode. The XLP feature set typically achieves sub-uA sleep currents in deep sleep modes, enabling battery-powered designs. The device supports an operating voltage range of 2.0V to 3.6V, suitable for single-cell Li-ion and 3.3V regulated rails. The 28-UQFN 4x4 mm package with exposed pad provides a small footprint with good thermal dissipation for compact industrial and consumer designs. Typical applications include low-power IoT sensor nodes, capacitive touch user interfaces, battery-powered medical devices, industrial HMI panels, and consumer appliances requiring 16-bit processing with low sleep current. The combination of DMA, 12-bit ADC, and CTMU on a 28-pin footprint makes it particularly attractive for space-constrained designs. When designing with this MCU, ensure the UQFN-28 exposed pad is properly soldered to the ground plane for thermal and electrical performance. Use Microchip's MPLAB X IDE with XC16 compiler and MPLAB Code Configurator (MCC) for rapid peripheral setup and code generation. The MV package suffix denotes the UQFN-28 (4x4 mm) variant. This page synthesizes distributor pricing from DigiKey and Mouser, drop-in Microchip alternatives in the same UQFN-28 footprint, and practical design notes not always found in the manufacturer datasheet.

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PIC24FJ256GA702-I/SO - 16-bit MCU, 256KB Flash, 28-SOIC | Microchip
PIC24FJ256GA702-I/SO

PIC24FJ256GA702-I/SO - 16-bit MCU, 256KB Flash, 28-SOIC | Microchip

The Microchip Technology PIC24FJ256GA702-I/SO is a 16-bit PIC24F microcontroller featuring 256 KB of ECC Flash, 16 KB of RAM, and eXtreme Low Power (XLP) technology, housed in a 28-pin SOIC package (300 mil). It integrates a 12-bit ADC at 200 ksps with up to 14 analog inputs, 3 comparators, CTMU for touch sensing, and a 32 MHz (16 MIPS) CPU core. The part is specified for the industrial -40C to +85C temperature range and operates from 2.0 V to 3.6 V. PIC® 24F devices are built on a 16-bit modified Harvard architecture with DSP instruction support, providing a balance between deterministic real-time control and signal-processing throughput. What is a 16-bit microcontroller? A microcontroller (MCU) is a single-chip computer containing a CPU, non-volatile program memory (Flash), volatile working memory (RAM), and a rich set of peripherals on one die. 16-bit MCUs occupy the middle ground between 8-bit parts (lowest cost, simplest peripherals) and 32-bit MCUs (highest performance, richest ecosystems); they typically deliver 1 to 2 MIPS per MHz, 16-bit-wide datapaths, and DSP-friendly instructions at clock rates of 16–70 MHz. Hypernyms: microcontroller -> MCU -> embedded processor -> semiconductor. Synonyms used across the industry: MCU, microcontroller, micro-controller, embedded controller. Key features of the PIC24FJ256GA702 family include 256 KB ECC Flash for safer code storage, 16 KB RAM, DMA for offloading data movement, 12-bit 200 ksps ADC, 3 op amps/comparators with programmable biasing, CTMU for capacitive touch, USB/Full-Speed in related variants, and multiple low-power sleep modes via the XLP architecture that drop quiescent current below 1 µA in deep sleep. The PIC24F core also supports a peripheral pin-select (PPS) remapping block on many members, simplifying PCB routing. Technically, the PIC24FJ256GA702 uses Microchip's nanoWatt XLP technology with multiple power-managed Run/Idle/Sleep modes, brown-out reset, watchdog timer, real-time clock calendar, and a flexible 16-bit timer/capture/compare/PWM engine. ECC on Flash improves reliability in harsh environments, while DMA accelerates high-bandwidth peripheral transactions such as ADC double-buffering or UART/SPI looped transfers. Typical applications include low-power IoT sensor nodes, capacitive-touch HMI panels, portable medical monitoring accessories, USB peripherals (related variants), industrial sensor transmitters, and battery-powered metering. For each of these, the combination of large ECC Flash, ample RAM, and XLP quiescent current is the key selection factor. When designing with this part, budget 22 I/O lines (per JLCPCB listing) and confirm peripheral pin-select mappings against the chosen 28-pin SOIC variant to avoid pin-conflict surprises.

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PIC24FJ256GA702-I/SP - 256KB Flash 16-bit MCU | Microchip
PIC24FJ256GA702-I/SP

PIC24FJ256GA702-I/SP - 256KB Flash 16-bit MCU | Microchip

The Microchip Technology PIC24FJ256GA702-I/SP is a 16-bit PIC24F microcontroller featuring 256 KB of ECC Flash program memory, 16 KB of RAM, and a maximum CPU speed of 32 MHz (16 MIPS), housed in a 28-pin SPDIP (Skinny Plastic DIP) package. It belongs to the eXtreme Low Power family and integrates a 12-bit ADC with 200 ksps throughput, three analog comparators, a Charge Time Measurement Unit (CTMU) for touch applications, and a Direct Memory Access (DMA) controller. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and a rich set of on-chip peripherals such as ADCs, timers, communication interfaces, and I/O ports. The PIC24F architecture is a 16-bit modified Harvard RISC core optimized for low-power embedded designs, sitting hierarchically between 8-bit PIC MCUs and 32-bit ARM Cortex-M parts in Microchip's portfolio. Key features include a wide 2.0V to 3.6V supply range, support for up to 14 analog input channels (depending on package), multiple serial interfaces (UART, SPI, I2C), a Real-Time Clock Calendar (RTCC), and eXtreme Low Power modes such as Deep Sleep, Sleep, and Idle that draw only microamp-level currents. The CTMU enables capacitive touch sensing without an external touch controller. Architecturally, the device combines a 16-bit RISC core with a 24-bit instruction word, supporting 16 MIPS operation from a 32 MHz oscillator. ECC Flash provides single-bit error correction for enhanced reliability in safety-sensitive applications. The 12-bit ADC delivers up to 200 ksps and supports automatic scanning across multiple analog inputs, offloading the CPU for sensor-array applications. Typical applications include low-power IoT sensor nodes, capacitive touch human-machine interfaces, industrial control and metering, medical portable devices, consumer electronics with USB or display connectivity, and automotive body modules where the -I (industrial) temperature grade of -40C to +85C is acceptable. When designing with this device, ensure that VDD decoupling follows Microchip's reference layout: a 100 nF ceramic on each VDD/VDDCORE pin and a bulk 10 uF on the main rail. For touch applications, dedicate clean ground flooding beneath the CTMU-driven pads and add a guard ring to suppress moisture-induced false triggers. This page synthesizes distributor pricing, verified drop-in alternatives, and practical PCB/design notes that complement, not duplicate, the manufacturer datasheet.

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PIC24FJ256GA702-I/SS - 16-bit 32MHz 256KB Flash MCU | Microchip
PIC24FJ256GA702-I/SS

PIC24FJ256GA702-I/SS - 16-bit 32MHz 256KB Flash MCU | Microchip

The Microchip Technology PIC24FJ256GA702-I/SS is a 16-bit PIC24F microcontroller running up to 32 MIPS at 32 MHz, integrating 256 KB of ECC Flash and 16 KB of RAM in a 28-pin SSOP package. The part is qualified for industrial temperature range (-40C to +85C) and targets low-pin-count eXtreme Low Power (XLP) applications. A microcontroller (MCU) is an integrated circuit that combines a CPU core, program memory (Flash), data memory (RAM), and a rich set of peripherals (ADC, timers, communication interfaces) into a single silicon die. The PIC24F family uses a 16-bit modified Harvard architecture with separate program and data buses, sitting in the broader taxonomy: microcontroller -> embedded processor -> semiconductor. The PIC24FJ256GA702 is optimized for ultra-low-power operation through multiple doze, idle and deep-sleep modes combined with a real-time clock calendar (RTCC) that can run from a low-frequency oscillator. Key features include a 12-bit ADC at 200 ksps with up to 14 analog input channels, three analog comparators, a Charge Time Measurement Unit (CTMU) for capacitive touch sensing, DMA for CPU-offload data movement, and a hardware cryptographic engine. Communication peripherals include I2C, SPI, and UART interfaces, plus a Parallel Master Port (PMP/EPSP) for graphics or external memory expansion. The 28-SSOP package exposes 21 general-purpose I/O pins and supports in-circuit serial programming (ICSP) and in-circuit debugging. The PIC24FJ256GA702 uses a 2.0V-3.6V wide operating range and integrates an 8 MHz internal FRC oscillator with PLL to deliver the rated 32 MIPS throughput. The architecture's 16-bit instruction path gives better code density than 8-bit PIC MCUs while remaining simpler than 32-bit Cortex-M parts, making it attractive for cost-sensitive embedded nodes. Typical applications include portable medical devices, e-metering, sensor hubs, capacitive touch keypads, low-power wireless sensor nodes, and human-machine interface (HMI) panels with small graphic displays. The combination of ECC Flash, DMA, and a wide ADC channel count is well suited to industrial data-acquisition and battery-powered IoT endpoints. When designing with this device, allocate the unused SSOP pins to VSS/VDD per the pinout to maximize supply-rail integrity and use the CTMU for noise-robust touch measurements by calibrating the reference against the on-chip bandgap. Always reserve ICSP/ICD pins (PGC/PGD) for production programming and field firmware updates. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone Microchip datasheet, providing a one-stop reference for embedded engineers evaluating the PIC24FJ256GA702-I/SS for new designs and pin-compatible second sources.

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PIC24FJ256GA702T-I/ML - 16-bit 256KB Flash MCU 28-QFN | Microchip
PIC24FJ256GA702T-I/ML

PIC24FJ256GA702T-I/ML - 16-bit 256KB Flash MCU 28-QFN | Microchip

The Microchip Technology PIC24FJ256GA702T-I/ML is a 16-bit PIC microcontroller from the PIC24F family running at up to 32 MHz (16 MIPS), featuring 256 KB of ECC Flash program memory (85.5K x 24 words) and 16 KB of SRAM, packaged in a 28-pin QFN (6x6 mm) with exposed pad for tape-and-reel delivery. A 16-bit microcontroller (MCU) is a programmable processor that uses a 16-bit data path and instruction word, offering higher computational throughput and richer peripherals than 8-bit MCUs while remaining simpler and lower-cost than 32-bit Cortex-M parts. The PIC24F family sits in Microchip's eXtreme Low Power (XLP) lineage and serves as a stepping stone between PIC16/PIC18 8-bit parts and dsPIC/PIC32 32-bit devices, commonly used in general-purpose embedded designs that need precise analog and human-interface features. Key features include a 12-bit ADC at up to 200 ksps with up to 14 analog channels, three analog comparators, a Charge Time Measurement Unit (CTMU) for capacitive touch and current measurement, multiple serial interfaces (UART, SPI, I2C), DMA, and a wide operating voltage range typical of XLP parts. The on-chip ECC Flash improves reliability by detecting and correcting single-bit errors in program memory, and the XLP sleep currents enable battery-powered applications to run for years on a single cell. The 28-QFN package integrates the MCU die with an exposed thermal pad that ties to the PCB ground pour, improving thermal dissipation for higher MHz operation and reducing the board footprint to 6x6 mm. Tape-and-reel (T/R) packaging supports high-volume SMT assembly, and the industrial temperature grade (-40C to +85C, denoted by the 'I' in the part number) is suitable for harsh-environment embedded systems. Typical applications include low-power IoT sensor nodes, capacitive touch human-interface panels, industrial control and instrumentation, USB device peripherals, home automation controllers, and battery-powered medical or fitness devices where XLP quiescent current and CTMU touch sensing provide system-level differentiation. When designing with this part, plan the analog and digital ground strategy around the exposed pad, configure the CTMU and ADC reference capacitors per the datasheet, and verify that the chosen debugger (ICD 3, ICD 4, or MPLAB PICkit 4) is selected in MPLAB X IDE before committing the layout. This page synthesizes distributor pricing, drop-in PIC24FJ alternates, and practical design notes not found in the manufacturer datasheet alone.

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PIC24FJ256GA702T-I/SO - 256KB Flash 16-bit MCU, 32MHz, 28-SOIC
PIC24FJ256GA702T-I/SO

PIC24FJ256GA702T-I/SO - 256KB Flash 16-bit MCU, 32MHz, 28-SOIC

The Microchip Technology PIC24FJ256GA702T-I/SO is a 16-bit PIC® 24F microcontroller featuring 256KB of ECC Flash program memory, 16KB of RAM, and a 32 MHz (16 MIPS) CPU core, housed in a 28-pin SOIC package. Built on Microchip's eXtreme Low Power architecture, it integrates a 12-bit ADC at 200 ksps with up to 14 analog inputs, 3 analog comparators, and a CTMU for capacitive touch and current measurement. DMA, hardware crypto accelerators, and rich connectivity peripherals make this part well-suited to general-purpose embedded designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, volatile and non-volatile memory, and peripherals such as ADC, timers, communication interfaces, and GPIO. The PIC24F sits in the hierarchy of 16-bit MCU -> microcontroller -> embedded processor -> semiconductor, and is positioned between 8-bit PIC16/PIC18 devices and 32-bit PIC32 parts. Its Modified Harvard architecture, deterministic instruction execution, and 16-bit data path make it ideal for real-time control loops where predictable timing is required. Key features include 256 KB (85.5K x 24) self-programmable Flash with error-correcting code (ECC), 16 KB SRAM, up to 21 channels of 12-bit ADC with 200 ksps throughput, three analog comparators, a Charge Time Measurement Unit (CTMU) for touch sensing and precise time measurement, multiple UART/SPI/I2C interfaces, and 5-channel DMA. The 'T' suffix indicates Tape and Reel packaging, and 'I' denotes the industrial -40 °C to +85 °C temperature grade. Operating voltage spans 2.0 V to 3.6 V, and the device supports multiple low-power sleep modes with nanoWatt technology for battery-powered applications. The PIC24FJ256GA702 family is implemented in a low-power CMOS process with on-chip voltage regulation and a sophisticated clock tree that allows peripheral operation while the CPU sleeps. Hardware DMA offloads data movement between peripherals and memory, freeing the core for application code, and ECC Flash improves reliability in harsh environments by correcting single-bit errors in program memory. Typical applications include human-machine interface (HMI) panels with capacitive touch, IoT sensor nodes, low-power medical wearables, industrial control and sensor conditioning, USB device interfaces, and consumer appliances. The combination of generous Flash, DMA, and the CTMU makes it especially attractive for touch-based UI designs where BOM consolidation is critical. When designing with this part, allocate at least one UART for debug and consider migrating to a TQFP package if you need more than 21 available I/O lines; the 28-pin SOIC variant has approximately 18 usable I/O depending on peripheral allocation. Use the MPLAB XC16 compiler and the MPLAB Code Configurator (MCC) plugin to generate peripheral initialization code automatically. This page synthesizes distributor pricing, drop-in same-package alternatives from the Site MPN list, design notes, and FAQ content not found in the standalone datasheet, giving engineers a single reference for sourcing, replacement, and application guidance.

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PIC24FJ256GA704-E/PT - 16-bit 256KB Flash MCU | Microchip
PIC24FJ256GA704-E/PT

PIC24FJ256GA704-E/PT - 16-bit 256KB Flash MCU | Microchip

The Microchip Technology PIC24FJ256GA704-E/PT is a 16-bit PIC24F microcontroller featuring 256KB of ECC Flash, 16KB of RAM, and eXtreme Low Power operation, packaged in a 44-pin TQFP (10x10 mm). It operates at up to 32 MHz (16 MIPS) with a 16-bit modified Harvard architecture and includes a 12-bit ADC at 200 ksps with up to 14 analog inputs, three comparators, and a CTMU for touch-sensing applications. A microcontroller is an integrated circuit that combines a CPU, memory (Flash and RAM), peripherals, and I/O on a single die, forming a self-contained computing platform for embedded systems. The PIC24F family sits within Microchip's broader MCU hierarchy: microcontroller -> 16-bit MCU -> PIC24F family -> PIC24FJ sub-family -> eXtreme Low Power (XLP) series. The PIC24FJ256GA704 belongs to the GA series, which targets low-power IoT, portable medical, and industrial control applications. Key features of the PIC24FJ256GA704-E/PT include 256KB (85.5K x 24) ECC Flash for program storage with single-bit error correction, 16KB SRAM for data, a 12-bit ADC at 200 ksps, three analog comparators, a Charge Time Measurement Unit (CTMU) for capacitive touch, DMA for peripheral-to-memory transfers, and CIPs (Core Independent Peripherals) that reduce CPU wake events and lower system power. The PIC24FJ256GA704-E/PT also integrates multiple serial interfaces, PWM outputs, timers, and a real-time clock calendar (RTCC). The -E suffix denotes the Extended industrial operating temperature range (-40C to +125C), making it suitable for harsh-environment deployments. Its eXtreme Low Power features include deep sleep currents in the microamp range and multiple wake-up sources. Typical applications include IoT edge nodes, portable medical devices, industrial sensor hubs, capacitive touch user interfaces, and battery-powered data loggers. The 44-pin TQFP package provides ample GPIO for mixed-signal designs while keeping the footprint manageable for hand-soldering or prototyping. When designing with this MCU, allocate at least one decoupling capacitor per power pin, route analog and digital grounds as split planes joined at a single point, and use the DMA engine to offload ADC and communication peripherals to minimize active CPU time and extend battery life. This page synthesizes distributor stock data, parametric drop-in alternatives from the PIC24FJ GA family, and practical design notes that go beyond the manufacturer datasheet for engineer-side decision making.

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PIC24FJ256GA704-I/PT - 16-bit MCU, 256KB Flash, 44-TQFP | Microchip
PIC24FJ256GA704-I/PT

PIC24FJ256GA704-I/PT - 16-bit MCU, 256KB Flash, 44-TQFP | Microchip

The Microchip Technology PIC24FJ256GA704-I/PT is a 16-bit PIC microcontroller from the PIC24F family featuring 256KB of ECC Flash program memory, 16KB of RAM, and eXtreme Low Power (XLP) technology, housed in a 44-pin TQFP (10x10 mm) package. It operates at up to 32 MHz with a 16-bit data path and integrates a 12-bit ADC capable of 200 ksps with up to 14 analog input channels. A 16-bit microcontroller is an embedded processor that balances computational throughput with low power consumption for applications that exceed 8-bit MCU capability but do not require 32-bit performance. PIC24F MCUs sit in the taxonomy as 16-bit MCU -> general-purpose microcontroller -> embedded processor -> semiconductor, optimized for low-power IoT, portable medical, and industrial control designs. Key features include 256KB (85.5K x 24 instruction words) Flash with ECC, 16KB SRAM, hardware DMA controller, three analog comparators, a Charge Time Measurement Unit (CTMU) for capacitive touch sensing, and Microchip's eXtreme Low Power technology with multiple sleep modes. The device supports multiple serial interfaces including I2C, SPI, and UART for flexible peripheral connectivity. The architecture combines a modified Harvard CPU core with single-cycle multiply and hardware divide, allowing efficient C-code execution. Integrated peripherals include a 12-bit ADC, configurable logic cells, and crypto-capable secure boot options within the GA family, all aimed at reducing external component count and BOM cost. Typical applications include low-power IoT edge nodes, portable medical devices, industrial sensor interfaces with capacitive touch, and battery-powered consumer electronics. The wide peripheral mix also makes it suitable for data loggers and human-machine interface (HMI) panels. Designers should pay attention to the 2.0V-3.6V VDD range required by the PIC24FJ GA family and ensure decoupling capacitance is placed within 5 mm of each power pin per Microchip reference designs. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found on the Microchip datasheet alone.

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PIC24FJ256GA704T-I/PT - 16-bit 32MHz 256KB Flash MCU | Microchip
PIC24FJ256GA704T-I/PT

PIC24FJ256GA704T-I/PT - 16-bit 32MHz 256KB Flash MCU | Microchip

The Microchip PIC24FJ256GA704T-I/PT is a 16-bit PIC24F microcontroller delivering 32 MIPS performance from a 32 MHz core, with 256 KB of ECC Flash (85.5K x 24) and 16 KB of RAM, housed in a 44-pin TQFP (10x10 mm) package. It is one of the eXtreme Low Power family members and integrates a 12-bit ADC at 200 ksps with up to 14 analog inputs, three analog comparators, and the Charge Time Measurement Unit (CTMU) for capacitive touch and accurate timing. What is a PIC24F microcontroller? A PIC24F is a 16-bit modified-Harvard microcontroller from Microchip that occupies the middle ground between 8-bit PIC16/PIC18 parts and 32-bit PIC32 devices. The F-series is optimized for low-power, mixed-signal applications and uses a 16-bit data path with a 24-bit instruction word, giving higher code density than 8-bit cores while remaining simpler and cheaper than PIC32. The "PIC" taxonomy extends: PIC24F -> PIC24 family -> 16-bit microcontroller -> microcontroller -> embedded processor -> semiconductor. Key features include up to 256 KB of self-programmable Flash with ECC, 16 KB SRAM, hardware DMA, a USB 2.0 full-speed On-The-Go peripheral, multiple UART/SPI/I2C interfaces, three input-capture modules, five timer/counter modules, and a real-time clock calendar with RTCC alarm. The part carries the eXtreme Low Power (XLP) label, with sleep currents below 1 uA in deep sleep and multiple low-power modes that make it suited to battery-driven designs. The architecture couples a 16-bit datapath with single-cycle multiply, divide support via hardware, and a 24-bit instruction set. DMA offloads data movement between peripherals and memory, freeing the CPU for application code. The CTMU produces a constant-current source for capacitive touch sensing without an external analog front end. Typical applications include capacitive touch human-machine interfaces, USB peripherals, low-power sensor hubs, industrial control panels, portable medical monitors, and consumer appliances that need USB connectivity plus low standby drain. A practical design tip: this -I/PT industrial-temperature variant is rated -40 C to +85 C, so it is acceptable for outdoor enclosures with internal heating, but for under-hood automotive use choose a -V variant or another AEC-Q100 part. This page consolidates distributor pricing, drop-in same-package alternatives drawn from the PIC24FJ256GA704 family, and practical design notes that are not aggregated in the manufacturer datasheet.

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PIC24FJ256GA705-I/M4 - 16-bit 32MHz 256KB Flash MCU | Microchip
PIC24FJ256GA705-I/M4

PIC24FJ256GA705-I/M4 - 16-bit 32MHz 256KB Flash MCU | Microchip

The Microchip PIC24FJ256GA705-I/M4 is a 16-bit PIC24F microcontroller delivering 32 MHz (16 MIPS) CPU performance with 256 KB of ECC Flash and 16 KB of RAM, packaged in a 48-pin UQFN (6x6 mm) with exposed pad. It belongs to the eXtreme Low Power (XLP) family and integrates a 12-bit ADC at 200 ksps with up to 14 analog inputs, three analog comparators, and a Charge Time Measurement Unit (CTMU) for capacitive touch sensing. The device operates from 2.0 V to 3.6 V and is offered in industrial temperature grade (-40C to +85C). A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and peripheral interfaces into one package. The PIC24F architecture places this MCU in the 16-bit general-purpose tier of Microchip's portfolio, sitting between 8-bit PIC16/PIC18 and 32-bit PIC32 families. The eXtreme Low Power technology extends battery life in sleep currents as low as the nanoampere range, making the part suitable for always-on and energy-harvesting systems. Key features of the PIC24FJ256GA705-I/M4 include DMA that moves data between memory and peripherals without CPU intervention, a Peripheral Pin Select (PPS) block for flexible I/O mapping, and hardware crypto and CRC peripherals in the family. The 48-pin UQFN EP package provides the largest pinout option in the family, exposing the maximum number of analog channels, communication peripherals (UART, SPI, I2C), and CTMU touch channels for user interfaces. The integrated LCD driver supports segmented displays up to a defined segment count, useful for appliance and instrumentation front panels. Technically, the device uses a modified Harvard architecture with a 16-bit wide data path and a 24-bit instruction word, executing up to 16 MIPS at 32 MHz. The 12-bit ADC achieves 200 ksps with built-in scan and DMA, offloading repetitive sampling from the CPU. The CTMU enables constant-current source measurement for capacitive touch buttons, sliders, and proximity sensing without external analog components. PPS lets designers remap digital peripheral inputs/outputs to a wide range of physical pins, simplifying PCB routing on dense boards. Typical applications include consumer electronics with touch user interfaces, low-power wireless sensor nodes, industrial control panels with LCDs, medical monitoring devices, and battery-powered IoT edge nodes. The combination of 256 KB ECC Flash and 16 KB RAM supports applications requiring complex protocol stacks or graphics libraries while keeping code execution deterministic. Designers should note that the UQFN-48 footprint uses an exposed thermal pad that must be soldered to the ground plane for electrical and thermal performance. Decoupling capacitors (100 nF and bulk) should be placed as close as possible to the VDD/VSS pairs. The MPLAB X IDE with the XC16 compiler and MPLAB Code Configurator (MCC) accelerates firmware development. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC24FJ256GA705T-I/M4 - 16-bit MCU 256KB Flash 48-UQFN | Microchip
PIC24FJ256GA705T-I/M4

PIC24FJ256GA705T-I/M4 - 16-bit MCU 256KB Flash 48-UQFN | Microchip

The Microchip Technology PIC24FJ256GA705T-I/M4 is a 16-bit PIC24F microcontroller (MCU) featuring 256KB of ECC Flash program memory, 16KB of RAM, and a 32MHz (16 MIPS) CPU core, housed in a 48-pin UQFN (6x6 mm) package. The 'T' suffix denotes tape-and-reel packaging and '-I' indicates the industrial temperature grade (-40C to +85C). A 16-bit microcontroller is a single-chip computer that balances 8-bit MCU simplicity with 32-bit performance, typically based on Harvard architecture with separate program and data buses. The PIC24F family is Microchip's eXtreme Low Power (XLP) line, positioning it within the broader taxonomy: MCU -> 16-bit MCU -> PIC24 family -> PIC24FJ sub-family -> power-efficient XLP devices -> embedded microcontrollers -> semiconductors. This taxonomy lets engineers understand where the part fits among 8-bit PIC10/12/16/18, 16-bit PIC24/dsPIC33, and 32-bit PIC32 alternatives. Key features of this device include a 12-bit ADC at 200 ksps with up to 14 analog inputs, 3 analog comparators, a Charge Time Measurement Unit (CTMU) for touch and capacitive sensing applications, and multiple serial interfaces (UART, SPI, I2C). The 256KB ECC Flash provides single-error-correction / double-error-detection for safety-critical code storage, while the 16KB RAM supports data buffering and protocol stacks in connected embedded designs. The integrated crypto engine and Peripheral Pin Select (PPS) system allow flexible remapping of digital peripherals to physical pins. The PIC24FJ256GA705 architecture combines a 16-bit modified Harvard CPU with a 24-bit instruction word, delivering 16 MIPS at 32MHz while drawing microamp-level sleep currents. The eXtreme Low Power design includes multiple idle, sleep, and deep-sleep modes with retention, plus real-time clock calendar operation directly from a low-frequency crystal, enabling years of battery life on a single coin cell. CTMU hardware accelerates touch-button, slider, and proximity-sensor implementations without software overhead. Typical applications for the PIC24FJ256GA705T-I/M4 include capacitive touch user interfaces (appliance panels, industrial HMI), low-power IoT sensor nodes with battery operation, USB HID/CDC peripherals, portable medical devices with safety-critical firmware, industrial automation and metering, and consumer white goods with segmented LCD displays. The CTMU and 14-channel ADC are particularly valuable when the design requires both human-interface sensing and analog measurement. When designing with this part, prioritize careful pin planning - the Peripheral Pin Select feature lets you remap most digital peripherals to unused pins after the schematic is locked, but analog pins are fixed. Use the MPLAB XC16 compiler, MPLAB X IDE, and Microchip's Code Configurator (MCC) plug-in for the shortest path from prototype to production; the PIC24FJ256GA705 PIM (MA240039) plugs into an Explorer 16/32 development board for full hardware evaluation.

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PIC24FJ256GA705T-I/PT - 256KB Flash 16-bit MCU | Microchip
PIC24FJ256GA705T-I/PT

PIC24FJ256GA705T-I/PT - 256KB Flash 16-bit MCU | Microchip

The Microchip Technology PIC24FJ256GA705T-I/PT is a 16-bit PIC24F microcontroller featuring 256 KB of ECC Flash, 16 KB of RAM, and eXtreme Low Power (XLP) technology, operating at up to 32 MHz (16 MIPS) from a 3.3 V supply in a 48-pin TQFP (7x7 mm) package. The "T" suffix denotes tape-and-reel packaging and the "I" suffix indicates the -40C to +85C industrial temperature grade. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and programmable peripherals. The PIC24F family sits in Microchip's 16-bit MCU hierarchy (PIC24F -> PIC24 -> dsPIC -> 16-bit MCU -> Microcontroller -> Embedded IC), balancing 8-bit simplicity with 32-bit performance. This makes PIC24F devices ideal for applications that need more headroom than an 8-bit PIC16/PIC18 can offer but do not justify the cost of a Cortex-M class MCU. Key features include a 12-bit ADC at 200 ksps with up to 14 analog input channels, three analog comparators, a Charge Time Measurement Unit (CTMU) for capacitive touch sensing, multiple serial interfaces (UART, SPI, I2C), and 5V-tolerant I/O. The 32 MHz core with 16 MIPS throughput delivers responsive control-loop performance for sensor and motor tasks. The XLP Sleep mode typically draws sub-uA current, enabling multi-year battery life on appropriate duty cycles. The device integrates a 16-bit modified Harvard architecture with a wide 24-bit instruction word, achieving deterministic interrupt response and single-cycle multiply support. Peripherals map through a Peripheral Pin Select (PPS) subsystem, giving flexible digital-function-to-pin assignment on the 48-pin TQFP. ECC Flash adds single-bit error correction to improve reliability in harsh environments. Typical applications include consumer appliances, capacitive touch human-machine interfaces, low-power IoT sensor nodes, USB/HID peripherals, and industrial control panels. The 256 KB program space accommodates full USB stacks, graphics libraries, and OTA-bootloader designs without external memory. When designing with this MCU, plan the Peripheral Pin Select (PPS) mapping early because some peripherals are remappable while supply and clock pins are fixed. Place a 100 nF decoupling capacitor as close as possible to each VDD/VSS pair, and follow Microchip's recommended 32.768 kHz crystal layout for low-power RTC accuracy. This page consolidates distributor pricing for the tape-and-reel PIC24FJ256GA705T-I/PT, pin-compatible same-family drop-ins, and design notes distilled from Microchip's Family Data Sheet and reference manual chapters.

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PIC24FJ256GB106-I/MR - 16-bit 32MHz 256KB Flash USB MCU | Microchip
PIC24FJ256GB106-I/MR

PIC24FJ256GB106-I/MR - 16-bit 32MHz 256KB Flash USB MCU | Microchip

The Microchip Technology PIC24FJ256GB106-I/MR is a 16-bit 32 MHz flash microcontroller in the PIC24F family with integrated USB On-The-Go (OTG), 256 KB of program flash, 16 KB of RAM, and a 64-pin 9x9 mm VQFN package. The modified Harvard architecture delivers up to 16 MIPS at 32 MHz, includes a 17-bit single-cycle hardware multiplier and a 16-bit hardware divider, and supports C-compiler-optimized instruction flow for embedded USB and connectivity designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, peripherals, and I/O on one die, and is the central processing element of any embedded system. The PIC24FJ family belongs to the broader 16-bit microcontroller category, sits above 8-bit MCUs in performance and addressing range, and below 32-bit Cortex-M parts in raw throughput. PIC24FJ parts add native USB-OTG and graphics-oriented peripherals, making them a common stepping stone between 8-bit PIC16/PIC18 designs and 32-bit SAM or STM32 designs. Key features of this part include 256 KB flash with self-programmability, 16 KB RAM, three I2C, three SPI, four UART, and 23 independent timers, plus a charge time measurement unit (CTMU) and hardware RTCC. A 16-channel 10-bit ADC and three analog comparators with programmable I/O round out the analog front end, while an 8 MHz internal oscillator with 4x PLL and multiple divide options eliminates an external crystal in many USB applications. The PIC24FJ256GB106 architecture targets low-power and connectivity roles: standby current below 100 nA makes the part suitable for battery-powered and always-on designs. Integrated USB-OTG eliminates an external PHY, and the VQFN-64 (9x9) footprint keeps the part compact on space-constrained boards. Typical applications include USB peripherals, low-power sensor hubs, industrial HMI, and consumer electronics. For designs that need a USB-OTG-capable PIC24FJ with the largest flash in the family, this part is the natural choice. When migrating from a smaller flash variant, verify peripheral pin mapping in the 64-pin VQFN footprint before committing layout.

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PIC24FJ256GB106T-I/PT - 32MHz 256KB Flash USB OTG MCU | Microchip
PIC24FJ256GB106T-I/PT

PIC24FJ256GB106T-I/PT - 32MHz 256KB Flash USB OTG MCU | Microchip

The Microchip Technology PIC24FJ256GB106T-I/PT is a 16-bit PIC24F microcontroller featuring 256KB of Flash program memory, 16KB of RAM, and integrated USB On-The-Go (OTG) full-speed and high-speed support, housed in a 64-pin TQFP (10x10x1mm) package. It runs up to 32MHz delivering 16 MIPS performance and operates from 2.0V to 3.6V across an industrial temperature range of -40C to +85C. A 16-bit MCU (microcontroller unit) is a programmable embedded processor that integrates CPU core, memory, peripherals, and I/O on a single die. Within Microchip's product hierarchy, this part sits under the PIC24F family, which targets low-power (nanoWatt) general-purpose applications with rich connectivity. It belongs to the broader microcontroller category within the semiconductor landscape, sitting alongside 8-bit (PIC16/PIC18) and 32-bit (PIC32) siblings. Key differentiating features include 256KB Flash (85.5K x 24 instruction words), 16KB RAM, hardware USB OTG with PHY, 52 I/O pins with Peripheral Pin Select (PPS), and an extensive peripheral set (3x I2C, 3x SPI, 4x UART, 23 timers). The device also integrates a Real-Time Clock and Calendar (RTCC), 16-channel 10/12-bit ADC, and nanoWatt power-saving modes with sub-100nA standby current. The PIC24FJ256GB106 family uses the MIPS-modified Harvard architecture with a modified RISC instruction set, allowing C-friendly compiled code density. Integrated USB OTG eliminates the need for an external PHY, simplifying BOM and PCB area. PPS provides flexible remapping of digital peripherals to physical pins, easing PCB layout. Typical applications include USB peripherals (HID, CDC, MSD), industrial control and HMI, low-power sensor nodes with USB charging, embedded data loggers with USB mass storage, and human interface devices such as touch key panels and remote controls. When designing with this part, ensure VUSB capacitor placement follows the manufacturer's reference layout to meet USB signal-integrity compliance, and use the PPS feature to optimize pin assignments for mechanical connector placement. This page synthesizes distributor pricing, drop-in alternative analysis across Microchip's PIC24F and PIC24FJ families, and practical design considerations not consolidated in the manufacturer datasheet.

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PIC24FJ256GB108-I/PT - 256KB Flash USB OTG MCU | Microchip
PIC24FJ256GB108-I/PT

PIC24FJ256GB108-I/PT - 256KB Flash USB OTG MCU | Microchip

The Microchip Technology PIC24FJ256GB108-I/PT is a 16-bit PIC24F microcontroller featuring 256 KB Flash, 16 KB RAM, an integrated USB On-The-Go (OTG) transceiver, and 80-pin TQFP packaging. Operating at up to 32 MHz with 16 MIPS throughput, the device is built on a modified Harvard architecture with a single-cycle 17-bit hardware multiplier and a hardware 16-bit divider, delivering C-compiler optimized performance for general-purpose embedded designs. What is a PIC24F microcontroller? A PIC24F microcontroller is a 16-bit flash MCU from Microchip that sits between the 8-bit PIC16/PIC18 families and the higher-end dsPIC33 digital signal controllers. It belongs to the broader taxonomy: microcontroller -> embedded processor -> semiconductor -> integrated circuit. PIC24F parts target cost-sensitive applications that need more performance, code space, and peripherals than 8-bit parts, but do not require a true DSP engine. The PIC24FJ256GB108 specifically adds a built-in USB 2.0 OTG transceiver, eliminating the need for an external PHY in many USB device, host, and On-The-Go designs. Key features of this part include 3x I2C, 3x SPI, 4x UART peripherals, 23 independent timers, a 16-channel 10-bit ADC, a hardware RTCC, and nanoWatt technology with <100 nA standby current. It also has Peripheral Pin Select (PPS) for flexible I/O mapping and CTMU support for capacitive touch sensing. The 256 KB self-programmable Flash and 16 KB RAM enable over-the-air firmware updates and large data buffers in USB and connectivity applications. The PIC24FJ256GB108 integrates a full-speed USB 2.0 transceiver (not just a serial interface engine), allowing direct connection to a USB connector with minimal external components. It also includes a charge pump regulator for USB VBUS and supports USB device, host, and OTG roles. The nanoWatt power management offers multiple idle and sleep modes with dynamic switching, extending battery life in low-power connected products. Typical applications include USB peripherals, HID devices, USB thumb-drive emulators, industrial data loggers, medical telemetry, and consumer electronics that require USB connectivity without an external PHY. The 80-pin TQFP (12x12 mm) package provides ample I/O for multi-peripheral designs. When designing with this part, ensure VBUS is supplied through a current-limiting path and verify the ENVREG pin configuration against the datasheet to avoid programming failures. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found on the manufacturer datasheet alone.

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PIC24FJ256GB108T-I/PT - 16-bit USB OTG MCU, 256KB Flash, 80-TQFP | Microchip
PIC24FJ256GB108T-I/PT

PIC24FJ256GB108T-I/PT - 16-bit USB OTG MCU, 256KB Flash, 80-TQFP | Microchip

The Microchip PIC24FJ256GB108T-I/PT is a 16-bit PIC24F microcontroller with USB On-The-Go (OTG) support, 256 KB Flash, 16 KB RAM, and a 32 MHz (16 MIPS) CPU core, packaged in an 80-pin TQFP (12x12 mm). It integrates a modified Harvard architecture with a 17-bit x 17-bit single-cycle hardware multiplier and a 16-bit hardware divider, plus a 16-bit working register array, delivering efficient C-compiler-friendly execution. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), working memory (RAM), and a rich set of peripherals such as timers, communication controllers, ADC modules, and I/O. PIC24F devices sit between 8-bit PIC MCUs and 32-bit PIC32 parts in the Microchip portfolio, providing 16-bit data paths, deterministic interrupts, and low-power peripherals for cost-sensitive embedded designs. This particular part is a member of the PIC24FJ256GB1xx family, which adds a Full-Speed USB 2.0 OTG controller plus device/host/On-The-Go roles, making it a natural fit for USB peripherals and embedded hosts. Key differentiating features include: USB 2.0 Full-Speed OTG (host + device + On-The-Go), 256 KB self-programmable Flash (85.5K x 24), 16 KB RAM, 8 MHz internal oscillator with 4x PLL providing 32 MHz operation, up to 16 MIPS throughput, multiple serial interfaces (up to 3x I2C, 3x SPI, 4x UART), and 23 independent timers. The industrial -40C to +85C operating range and 80-pin TQFP package support through-hole-style PCB assembly while exposing enough I/O for USB plus several communication buses simultaneously. The PIC24FJ256GB1xx family uses a 16-bit RISC core with single-cycle execution for most instructions, a deterministic interrupt response, and peripheral pin select that decouples peripheral routing from physical pins. Internal RC and PLL features allow designers to drop external crystals in many applications, lowering BOM cost. The combination of USB OTG with substantial Flash and RAM enables firmware-only USB stacks without external memory. Typical applications include USB peripherals (HID, CDC, mass storage, audio), USB-OTG embedded hosts (phone/tablet accessories, instrumentation), low-power industrial sensing nodes with USB diagnostic ports, consumer electronics with USB charging or data interfaces, and prototyping on the Explorer 16/32 development board using a Plug-In Module. The multiple UART/SPI/I2C instances also enable bridge/converter designs that route legacy buses to USB. When laying out the PCB, route the D+/D- USB differential pair with 90 ohm differential impedance, place the VBUS pin protection components close to the connector, and provide a solid ground plane under the TQFP thermal pad region to assist thermal dissipation at industrial temperatures. Program Flash endurance is rated at typical values per the datasheet - if your firmware update pattern is aggressive, plan for wear. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not typically consolidated in the manufacturer datasheet, helping engineers shorten the part-selection and BOM-validation cycle for USB-capable 16-bit embedded designs.

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PIC24FJ256GB110-I/PF - 16-bit MCU 256KB Flash USB OTG TQFP-100
PIC24FJ256GB110-I/PF

PIC24FJ256GB110-I/PF - 16-bit MCU 256KB Flash USB OTG TQFP-100

The Microchip Technology PIC24FJ256GB110-I/PF is a 16-bit microcontroller from the PIC24F family, featuring 256 KB of Flash program memory, 16 KB of RAM, and integrated USB On-The-Go (OTG) support, housed in a 100-pin TQFP (14x14 mm) package. It operates at up to 32 MHz delivering 16 MIPS performance, with a wide 2.0V-3.6V supply range suitable for battery-powered and USB bus-powered designs. An MCU (microcontroller unit) is a single-chip computer integrating a CPU core, program memory (Flash), data memory (RAM), and a rich set of peripherals (ADC, timers, communication interfaces, I/O). The PIC24F family uses a 16-bit modified Harvard RISC architecture that targets low-power, mixed-signal embedded applications requiring more computational headroom than 8-bit parts but without the cost of a DSP. Within the broader taxonomy, PIC24F MCUs sit between PIC16/PIC18 8-bit controllers and dsPIC33/PIC32 32-bit controllers in Microchip's portfolio. Key features include 85 I/O pins, a 10-bit ADC with up to 16 channels, four UART modules, three SPI ports, three I2C ports, and five 16-bit timers. The integrated USB OTG peripheral enables dual-role (host/device) operation without an external PHY, while the on-chip RTCC and deep-sleep modes achieve <100 nA standby current for energy-harvesting and always-on applications. Hardware crypto accelerators and a 16-channel DMA controller reduce CPU overhead. The PIC24FJ256GB110 is built on a low-power CMOS process with nanoWatt technology, integrating multiple power management modes that drop quiescent current dramatically when peripherals are gated off. The USB OTG stack, combined with ample SRAM, makes the part attractive for buffering data streams and implementing composite USB devices without external memory. Typical applications include USB peripherals, embedded data loggers, industrial sensor hubs, portable medical devices, and human-interface boards. Its pin count and peripheral mix also suit HMI panels, GPS modules, and small-form-factor IoT gateways requiring on-device USB connectivity. When designing with this MCU, allocate decoupling capacitors close to each VDD/VSS pair and follow Microchip's recommended 33 ohm series resistors on USB DP/DM lines for OTG compliance. Use Microchip's MPLAB X IDE with the XC16 compiler and the MLA USB stack for fastest time-to-prototype. This page synthesizes distributor pricing, drop-in alternative MPNs, and practical design notes curated from Microchip datasheets and reference designs, providing information not consolidated on a single distributor product page.

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PIC24FJ256GB110-I/PT - 256KB Flash 16-Bit MCU USB OTG 100-TQFP | Microchip
PIC24FJ256GB110-I/PT

PIC24FJ256GB110-I/PT - 256KB Flash 16-Bit MCU USB OTG 100-TQFP | Microchip

The Microchip PIC24FJ256GB110-I/PT is a 16-bit PIC24F microcontroller with 256 KB Flash, 16 KB RAM, integrated USB 2.0 On-The-Go (OTG), and a maximum CPU speed of 32 MHz (16 MIPS), housed in a 100-pin TQFP (PT) package. It belongs to the PIC24FJ256GB110 family of 64/80/100-pin Flash microcontrollers designed for high-performance USB applications that bridge the gap between 8-bit MCUs and full DSPs. Background: A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), volatile working memory (RAM), and a rich set of peripherals (USB, UART, SPI, I2C, ADC, timers, GPIO). The PIC24F family uses a 16-bit Modified Harvard architecture optimized for C compiler efficiency and deterministic interrupt handling. Microcontrollers sit within the semiconductor hierarchy as follows: microcontroller -> embedded processor -> integrated circuit -> semiconductor device. Within the MCU category, this part is a Flash-memory-based general-purpose MCU with USB connectivity, distinct from DSPs (which add MAC units) and from microprocessors (which require external memory). Key features include 256 KB self-programmable Flash (85.5K x 24 words), 16 KB SRAM, 23 independent timers, hardware 16x16 multiply and 16-bit divide, a 12-bit ADC, and four UART, three SPI, and three I2C serial ports. The integrated USB 2.0 OTG controller with on-chip transceiver supports Host, Device, and On-The-Go roles, eliminating the need for an external PHY. Standby current is below 100 nA, making the device attractive for battery-powered and energy-harvesting designs. Architecturally, the PIC24FJ256GB110 uses a Modified Harvard pipeline with single-cycle instruction fetch and 16 MIPS sustained throughput at 32 MHz. An 8 MHz internal oscillator with 4x PLL and multiple divide options removes the need for an external crystal in cost-sensitive applications. The device operates across 2.0 V to 3.6 V, supports JTAG boundary scan, and includes a 12-bit ADC with up to 16 channels on the 100-pin variant. Typical applications include USB peripherals (HID, CDC, MSD, audio), industrial control with graphical displays, low-power sensor nodes, and embedded connectivity bridges that translate USB to UART/SPI/I2C. The wide peripheral mix also suits motor control and human-interface designs. When designing with this MCU, reserve adequate PCB area for the 100-pin TQFP (0.4 mm pitch) and follow Microchip's recommended decoupling scheme. For USB OTG use, route the D+/D- pair as a 90 ohm differential pair and provide the required 3.3V analog supply rail to the USB transceiver. This page synthesizes distributor pricing, verified drop-in alternatives, and practical design notes not aggregated elsewhere on the web, giving engineers a single reference for sourcing and second-sourcing the PIC24FJ256GB110-I/PT.

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PIC24FJ256GB110T-I/PF - 256KB Flash USB MCU 100-TQFP | Microchip
PIC24FJ256GB110T-I/PF

PIC24FJ256GB110T-I/PF - 256KB Flash USB MCU 100-TQFP | Microchip

The Microchip PIC24FJ256GB110T-I/PF is a 16-bit PIC24F microcontroller with USB On-The-Go, integrating 256KB of Flash, 16KB of RAM, and a 32MHz/16 MIPS CPU core in a 100-pin TQFP (PF) package. The part ships in tape-and-reel packaging (T-suffix), operates from 2.0V to 3.6V, and supports an industrial temperature range of -40C to +85C. A microcontroller (MCU) is a single-chip computer containing a CPU, memory, and programmable peripherals. The PIC24FJ256GB110 family targets General Purpose USB Microcontroller applications, which require more than an 8-bit platform but do not need the horsepower of a full digital signal processor. By integrating a high-performance 16-bit core with full-speed USB-OTG, multiple serial interfaces (3x I2C, 3x SPI, 4x UART), and 23 independent timers, this family sits within the broader semiconductor hierarchy of microcontrollers -> embedded processors -> integrated circuits. Key features include a 17-bit single-cycle hardware multiplier, a 16-bit hardware divider, a 16-bit working register array, C compiler-optimized architecture, and an 8MHz internal oscillator with a 4x PLL option and multiple divide options. Modified Harvard architecture and instruction set optimize for low power (<100 nA standby current) and high code density, while 16KB of RAM supports buffering for USB stacks and large data tables. Typical applications include low-power USB peripherals, industrial control systems, data loggers, multi-serial-interface hubs, and consumer electronics requiring on-the-go USB connectivity. The combination of USB-OTG, large memory, and rich peripherals enables designers to consolidate separate MCU plus USB controller architectures into a single chip. When designing with this part, ensure the PCB layout places the 100-pin TQFP decoupling capacitors within a few millimeters of the VDD/VSS pairs and route the USB DP/DM traces as a 90-ohm differential pair. Verify that the crystal/oscillator traces are short and guarded to minimize jitter on the system clock. This page synthesizes distributor pricing, drop-in alternatives from the PIC24F family, and practical design notes not found in the manufacturer datasheet alone. Pricing references use DigiKey and LCSC data as of 2026-09-30.

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PIC24FJ256GB206-I/PT - 16-Bit 32MHz 256KB Flash USB MCU | Microchip
PIC24FJ256GB206-I/PT

PIC24FJ256GB206-I/PT - 16-Bit 32MHz 256KB Flash USB MCU | Microchip

The Microchip Technology PIC24FJ256GB206-I/PT is a 16-bit PIC24F microcontroller featuring 256KB Flash, 96KB RAM, a 32 MHz CPU core, and integrated USB 2.0 On-The-Go (OTG) full-speed support, housed in a 64-pin TQFP (10x10 mm) package. The part operates from 2.0V to 3.6V across the industrial -40C to +85C range, making it a strong fit for low-power USB-enabled embedded designs. According to the Microchip product page, this family combines large memory, USB OTG, and rich peripherals in a single device. A PIC24F microcontroller is a 16-bit reduced-instruction-set computing (RISC) MCU in the broader hierarchy microcontroller -> embedded processor -> integrated circuit -> semiconductor. The PIC24F family specifically targets low-power, USB-capable, and human-interface designs where cost-effective 16-bit performance is required. PIC24F parts sit between PIC16F/PIC18F 8-bit microcontrollers and dsPIC33 16-bit digital signal controllers, offering a balance of code density, peripherals, and power efficiency. Key features of the PIC24FJ256GB206 include 256KB (85.5K x 24) of self-programmable Flash with ECC, 96KB SRAM, USB 2.0 OTG (host or device), up to 16 MIPS performance at 32 MHz, a 10-bit 500 ksps A/D converter with up to 16 channels, four UART modules, three SPI, three I2C, five 16-bit timers, two comparators, and a Parallel Master Port (PMP) for graphics or external memory. The integrated 32 kHz low-power secondary oscillator supports real-time clock operation in deep sleep. The architecture uses a 16-bit modified Harvard core with a 24-bit instruction word, separate program and data buses, a 16-element register file, and a hardware multiply/divide unit. The integrated USB PHY and full OTG stack (with charge pump support) remove the need for an external transceiver, while CTMU (Charge Time Measurement Unit) enables touch and capacitive sensing. The peripheral pin-select (PPS) remapper simplifies PCB routing by allowing many digital functions to be assigned to a wide range of I/O pins. Typical applications include USB peripherals such as mass storage, HID, CDC virtual COM ports and audio class devices, embedded human-machine interface (HMI) panels with graphics or segment displays, handheld instrumentation, point-of-sale terminals, medical data loggers, and industrial sensor nodes with USB diagnostics ports. The 96KB RAM is large enough to buffer USB isochronous traffic and hold graphic frame buffers for low-resolution TFTs. When designing with this part, use the on-chip 3.3V LDO regulator with a 4.7uF output capacitor and add ESD protection on VBUS for host-mode robustness. For USB device firmware, the Microchip MLA or Harmony framework provides ready-validated class drivers. Verify the VUSB 3.3V rail remains stable under full OTG transient load. This page synthesizes distributor pricing, drop-in 64-TQFP alternatives, and practical PCB/USB design notes not found in the manufacturer datasheet.

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PIC24FJ256GB210-I/PT - 16-bit 256KB Flash USB MCU | Microchip
PIC24FJ256GB210-I/PT

PIC24FJ256GB210-I/PT - 16-bit 256KB Flash USB MCU | Microchip

The Microchip Technology PIC24FJ256GB210-I/PT is a 16-bit PIC24F microcontroller featuring 256KB (85.5K x 24 instructions) of Flash program memory, 96KB of SRAM, and an integrated USB 2.0 On-the-Go (OTG) controller. It runs at up to 32MHz (16 MIPS) and is housed in a 100-pin TQFP (PT) package measuring 12x12 mm. The device is part of the PIC24FJ256GB210 family and is intended for USB-centric embedded designs where both host and device roles are required. A microcontroller (MCU) is an integrated circuit that combines a CPU core, volatile and non-volatile memory, and programmable peripherals into a single chip. Within the broader power management and embedded hierarchy, the PIC24FJ256GB210 is a member of the 16-bit PIC24F MCU family, which sits between 8-bit PIC16/PIC18 devices and 32-bit PIC32 devices in the Microchip portfolio. It targets USB-enabled human-interface, data-acquisition, and battery-powered applications that require more code space and RAM than 8-bit MCUs typically offer. Key differentiating features of the PIC24FJ256GB210 include its integrated USB 2.0 OTG peripheral (Host + Device, low/full speed), a large 96KB SRAM for USB buffering and protocol stacks, and a rich peripheral set: up to 84 I/O pins, multiple UART/SPI/I2C interfaces, a 16-channel 10-bit ADC, comparators, and a Parallel Master Port (PMP) for graphics or external memory. It also supports the enhanced PMP/eMPU graphics controller functionality referenced in the PIC24FJ256DA210 family cross-reference, giving designers a path to embedded displays. Architecturally, the PIC24FJ256GB210 is built on Microchip's modified Harvard RISC core with a 16-bit data path and a 24-bit instruction word, enabling single-cycle ALU operations and deterministic interrupt latency. The eXtreme Low Power (eXLP) feature with deep sleep and multiple idle modes allows the device to consume microamp-level standby currents, suitable for battery or USB-bus powered designs. A 2.5V/3.3V dual-voltage operation simplifies designs shared with analog rails. Typical applications include USB peripherals (HID, CDC, MSD), USB OTG hosts, data loggers, embedded medical devices, industrial control with USB diagnostics, and graphics-based HMI panels. The wide operating voltage range (2.2V to 3.6V) and large RAM also suit audio processing and protocol bridging tasks. When designing with this MCU, ensure the ICSP programming lines (PGECx/PGEDx) are routed cleanly - the device is more sensitive to crosstalk on these traces than other PIC24F parts, which can cause programming failures. Decouple VDD/VUSB with 100nF + bulk caps close to the pins. This page consolidates verified distributor pricing, drop-in alternatives from the same Microchip family, and practical design notes that supplement the manufacturer datasheet.

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