Circuits intégrés

PIC32MX250F256HT-I/PT

PIC32MX250F256HT-I/PT - 32-bit MCU, 256KB Flash, 64-TQFP | Microchip

The Microchip Technology PIC32MX250F256HT-I/PT is a 32-bit MIPS32 M4K microcontroller delivering 50 MHz / 83 DMIPS performance with 256 KB of Flash and 32 KB of SRAM in a 64-pin TQFP (10x10 mm) industrial-grade package. The 'HT' suffix denotes TQFP packaging and tape-and-reel delivery, while 'I' indicates the industrial -40C to +85C temperature range. A 32-bit microcontroller (MCU) is an integrated circuit containing a CPU core, program memory (Flash), working memory (RAM), and a rich set of peripherals on a single die. Within the broader taxonomy, the PIC32MX250 family sits under PIC32 -> MIPS MCU -> 32-bit MCU -> microcontroller -> embedded processor -> semiconductor. These devices typically replace 8/16-bit MCUs in designs that need higher throughput, larger memory maps, and richer connectivity such as USB, CAN, or graphics interfaces. Key features of the PIC32MX250F256H family include two I2S and four SPI modules for codec and serial communications, Peripheral Pin Select (PPS) for flexible signal routing, a Parallel Master Port (PMP) with dual read/write buffers for graphics interfaces, a 16-channel 10-bit ADC, five 16-bit timers, and an on-chip 80 MHz Peripheral Bus. The CTMU (Charge Time Measurement Unit) supports touch sensing and capacitance measurement, making the part suitable for HMI front panels and capacitive-button user interfaces. Architecturally, the device combines a single-issue 32-bit MIPS core with a multi-vector interrupt controller, a 5-stage pipeline, and a prefetch cache that boosts Flash execution throughput. The integrated USB 2.0 full-speed Device/Host/OTG controller, combined with the PMP for parallel displays, makes the PIC32MX250 a frequent choice for embedded HMI, audio streaming, and low-cost USB peripherals. Typical applications include USB audio headsets and consumer audio docks, capacitive-touch HMI panels, low-cost graphics terminals, USB-to-UART bridges, and industrial sensor hubs. Its 256 KB Flash also supports a USB bootloader and over-the-air firmware updates. When designing with this part, use Microchip's MPLAB Harmony configurator or the legacy MPLAB-X IDE with XC32 compiler to bring up the device. Take care to decouple VDD/VSS pairs near each pin cluster and follow Microchip's TQFP land-pattern recommendations, including thermal vias under the exposed pad. This page consolidates distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet. The data was last verified against DigiKey, Mouser, and Microchip's official product page on 2026-10-02.

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PIC32MX250F256HT-V/PT

PIC32MX250F256HT-V/PT - 32-bit MCU, 256KB Flash, 50MHz, USB | Microchip

The Microchip PIC32MX250F256HT-V/PT is a 32-bit MIPS microcontroller from the PIC32MX family featuring a MIPS32 M4K core running up to 50 MHz with 83 DMIPS performance, integrated with 256 KB Flash and 32 KB SRAM, in a 64-pin TQFP (PT) 10x10 mm package. The "-V" suffix indicates the automotive-grade temperature range of -40C to +105C, and the "T" denotes tape-and-reel packaging. According to the Microchip product page, the device integrates two I2S and four SPI modules for audio codec and serial communications, a Peripheral Pin Select (PPS) block for flexible pin assignment, and a Parallel Master Port (PMP) for graphics interfaces. A 32-bit microcontroller (MCU) is an embedded computing device that executes instructions from a 32-bit-wide data path, enabling substantially higher throughput and larger addressable memory than 8-bit or 16-bit MCUs. Within the taxonomy of embedded processors, the PIC32MX belongs to the MIPS32 architecture family of microcontrollers, which itself falls under the broader category of microcontrollers and finally integrated circuits (ICs). The 50 MHz core clock and 32-bit data path allow the PIC32MX250F256H to address industrial, automotive, and consumer applications that demand more computational headroom than legacy 8-bit PIC MCUs. Key features of this part include full-speed USB 2.0 device/host/OTG support, a 10-bit ADC with up to 1 Msps sampling, multiple UART/I2C/SPI interfaces, an on-chip RTCC, and the CTMU (Charge Time Measurement Unit) for capacitive touch sensing. The 256 KB Flash provides ample room for protocol stacks such as USB, TCP/IP, and graphics libraries, while 32 KB SRAM supports data buffering for communication stacks and frame buffers. PPS allows designers to remap digital functions to different physical pins, simplifying PCB routing. The PIC32MX250F256H is engineered around a 5-stage pipeline Harvard architecture with single-cycle multiply and hardware divide, giving 1.57 DMIPS/MHz efficiency. The on-chip regulator simplifies power design by allowing single 3.3 V supply operation, while dedicated low-power modes (Sleep, Idle, Deep Sleep) reduce quiescent current for battery-driven applications. The CTMU provides 16 hardware-driven current sources for capacitive touch buttons and sliders without an external analog front end. Typical applications include USB peripherals (HID, CDC, mass storage), industrial control and HMI panels, automotive body and infotainment sub-modules, capacitive touch user interfaces, and audio streaming via I2S. Designers should choose the PIC32MX250F256HT-V/PT specifically when the -40C to +105C automotive temperature grade and 64-pin TQFP footprint are required. When designing with this part, allocate decoupling capacitance close to each VDD/VSS pair, and follow Microchip application note AN1166 for USB PCB layout to maintain signal integrity. Use MPLAB Harmony or MCC code configurators to leverage the Peripheral Pin Select for optimal pin allocation. This page synthesizes distributor pricing from DigiKey/Mouser/LCSC, parametric drop-in alternatives from the PIC32MX family, and practical design notes that complement the manufacturer datasheet.

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PIC32MX250F256L-50I/PT

PIC32MX250F256L-50I/PT - 50MHz 256KB Flash 32-bit MCU | Microchip

The Microchip Technology PIC32MX250F256L-50I/PT is a 32-bit MIPS32 M4K microcontroller running up to 50 MHz/83 DMIPS, integrating 256 KB of Flash and 32 KB of SRAM into a 100-pin TQFP (12x12 mm) package. Operating from 2.3 V to 3.6 V, the device provides 81 user-capable I/O pins with Peripheral Pin Select (PPS) remapping for flexible signal routing. A 32-bit microcontroller (MCU) is a microprocessor core with on-chip Flash program memory, SRAM data memory, and integrated peripherals such as timers, ADC, communication controllers, and I/O. Within the system hierarchy, an MCU sits at the top of the embedded control stack: MCU -> microcontroller -> embedded processor -> semiconductor. The PIC32MX family uses the MIPS32 M4K Harvard architecture, which separates instruction and data paths and provides single-cycle multiply, hardware divide, and a deterministic interrupt response tailored to real-time embedded control. Key differentiating features include a USB 2.0-compliant Full-Speed On-The-Go (OTG) controller, four SPI/I2S modules for codec and serial communication, a Parallel Master Port (PMP) with dual buffers for graphics interfaces, two I2C modules, and a 10-bit 1 Msps ADC with up to 28 channels. The PPS function allows digital peripheral pin assignments to be remapped in software, decoupling peripheral selection from physical pinout and simplifying PCB layout. Architecturally, the PIC32MX250 family is built on a 5-stage pipeline MIPS32 M4K core and integrates a dedicated DMA controller, a crypto engine, and a CTMU for capacitive touch sensing. The 256 KB Flash is arranged as 256K x 8, supporting self-programming under firmware control and IEC 60730 Class B support via the Flash Error Correction Code (ECC) and supporting libraries. Typical applications include USB peripherals and embedded hosts (HID, CDC, mass storage), audio playback with I2S DACs, low-cost graphical HMI with PMP-driven LCDs, capacitive-touch user interfaces, and industrial control nodes. The combination of USB OTG, large SRAM, and PPS makes the PIC32MX250F256L-50I/PT a flexible general-purpose 32-bit platform for both consumer and industrial designs. Design tip: place 0.1 µF decoupling capacitors as close as possible to every VDD/VSS pin pair and add a bulk 10 µF tantalum or ceramic capacitor near the IC. For USB designs, the 90 Ω differential D+/D- trace impedance must be controlled and the VBUS line should include ESD protection rated at IEC 61000-4-2 Level 4. This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes beyond what the manufacturer datasheet provides, giving engineers a single reference for sourcing and design-in.

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PIC32MX250F256L-I/PF

PIC32MX250F256L-I/PF - 32-bit MCU 256KB Flash 50MHz 100-TQFP | Microchip

The Microchip PIC32MX250F256L-I/PF is a 32-bit MIPS microcontroller with 256KB Flash and 32KB SRAM, running up to 50 MHz (83 DMIPS) on the MIPS32 M4K core, in a 100-pin TQFP package. The device integrates a USB 2.0 Full-Speed OTG controller, four SPI/I2S modules, two I2C modules, and a 10-bit ADC with up to 48 channels and 1 Msps conversion rate, plus a Parallel Master Port (PMP) for graphics interfaces. A 32-bit microcontroller (MCU) is a single-chip processor that integrates a CPU core, Flash program memory, SRAM data memory, and a rich set of peripherals (ADC, timers, communication controllers) into one package. Within the broader taxonomy, PIC32MX parts sit in the microcontroller -> embedded processor -> semiconductor hierarchy, and they target applications that need more performance and memory than 8/16-bit MCUs while retaining easy C-language development with the MPLAB X IDE and Harmony framework. The PIC32MX250 series specifically targets cost-sensitive embedded control and USB-connected designs. Key differentiating features of this part include the on-chip Full-Speed USB 2.0 OTG controller (rare in 50 MHz class MCUs), Peripheral Pin Select (PPS) that remaps digital peripherals to any I/O pin for layout flexibility, and CTMU (Charge Time Measurement Unit) for capacitive touch and time-of-flight measurements. The device offers 78 I/O pins, five 16-bit timers, and a real-time clock/calendar with separate 32 kHz oscillator input. The integrated PMP module drives graphical LCDs directly, eliminating external display controllers in many designs. Architecturally, the PIC32MX250 uses a Harvard-style M4K core with separate instruction and data paths, single-cycle hardware multiply, and a zero-overhead hardware loop counter. The instruction set is MIPS32-compatible, supported by MPLAB XC32 compiler and Harmony middleware. The device operates from 2.3V to 3.6V with five power modes (Run, Idle, Sleep, Deep Sleep, and VBAT) for battery-friendly designs. Industrial temperature grade (-40C to +85C) is suffix-coded by the "/I" designator. Typical applications include USB peripherals (HID, CDC, MSD), graphical HMI panels using PMP-driven LCDs, capacitive touch human-machine interfaces (CTMU-based), industrial sensor hubs with USB diagnostics, low-cost dataloggers, and consumer audio with I2S codecs. The 256KB Flash accommodates USB stacks (HID + CDC + MSD) plus application code. The PMP + I2S + USB combination makes this device a strong fit for low-cost multimedia HMI designs.

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PIC32MX250F256L-V/PF

PIC32MX250F256L-V/PF - 32-bit 256KB Flash MCU 100-pin | Microchip

The Microchip Technology PIC32MX250F256L-V/PF is a 32-bit MIPS microcontroller from the PIC32MX1XX/2XX/5XX family, featuring a MIPS32 M4K core running up to 50 MHz (83 DMIPS), 256 KB of Flash program memory and 32 KB of SRAM, packaged in a 100-pin TQFP (14x14 mm, -V grade). The device integrates a USB 2.0 Full-Speed OTG controller, two I2S and four SPI modules for codec and serial communications, Peripheral Pin Select (PPS) for flexible pin mapping, and a Parallel Master Port (PMP) with dual read/write buffers for graphics interfaces. The part is qualified for AEC-Q100 automotive applications and operates across -40C to +105C (V-temp) with a 2.5V/3.3V core supply. A 32-bit microcontroller (MCU) is an integrated circuit that combines a 32-bit processor core, program memory (typically Flash), data memory (SRAM), and a rich set of peripherals (ADC, timers, communication interfaces, I/O) on a single die. Within the broader taxonomy, the PIC32MX belongs to the MIPS32 M4K architecture family, which sits under microcontrollers -> embedded processors -> semiconductors. PIC32MX devices target applications that need more compute headroom than 8/16-bit MCUs while staying within the friendly MPLAB X IDE and Harmony ecosystem. Key features of the PIC32MX250F256L-V/PF include the Peripheral Pin Select (PPS) engine that remaps digital peripheral functions onto a wide range of GPIO pins, an on-chip USB 2.0 Full-Speed OTG controller (with internal transceiver and dedicated DMA), a 16-channel 10-bit 1 Msps ADC, four UART modules, two I2C modules, five 16-bit timers/counters, an RTCC, and a CTMU (Charge Time Measurement Unit) for touch and capacitive sensing. Architecturally, the M4K core is a 5-stage pipeline Harvard implementation with hardware multiply/divide, single-cycle multiplication, and a Prefetch Cache module to hide Flash latency. The 256 KB Flash is organized as 256K x 8 with ECC, and the 32 KB SRAM supports DMA access for high-throughput peripherals such as USB and PMP. The integrated 3.3V LDO allows single-rail operation from 2.3V to 3.6V. Typical applications include USB peripherals (HID, CDC, MSD, vendor-class devices), low-cost graphics HMI using PMP to drive LCD controllers, automotive body and infotainment modules (V-temp / AEC-Q100 grade), audio codecs over I2S, and capacitive touch user interfaces using CTMU. The combination of USB, graphics PMP, and ample Flash/RAM makes it a strong fit for connected embedded products that previously required an external MCU plus USB controller. When designing with this part, pay close attention to the V-temp grade (suffix -V/PF means -40C to +105C operation). Ensure the VBUS/USB traces follow the USB 2.0 impedance guideline (90 ohms differential) and that the USB pull-up (D+ or D-) is enabled in software only after the regulator is stable. Decouple VDD/VSS pairs with a 0.1uF ceramic per pin pair plus a bulk 4.7-10uF near the regulator. This page synthesizes distributor pricing, AEC-Q100 grade information, drop-in same-family alternatives, and application guidance not found in a single distributor listing, giving engineers a faster path from selection to PCB bring-up.

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PIC32MX250F256LT-50I/PT

PIC32MX250F256LT-50I/PT - 50MHz 32-bit MCU, 256KB Flash | Microchip

The Microchip PIC32MX250F256LT-50I/PT is a 32-bit MIPS M4K microcontroller operating up to 50 MHz with 256 KB Flash and 32 KB SRAM, housed in a 100-pin TQFP (12x12 mm, PT) package. It integrates USB 2.0 full-speed OTG, three analog comparators, a 10-bit 1 Msps ADC with up to 48 inputs, and the CTMU (Charge Time Measurement Unit) for capacitive touch and time-of-flight applications. A 32-bit microcontroller (MCU) is a single-chip processor that combines a high-performance data path (32-bit registers, ALU and bus) with on-chip Flash program memory, SRAM data memory, and a rich set of peripherals. Microcontrollers sit at the top of the embedded compute hierarchy: microcontroller -> embedded MCU -> embedded processor -> semiconductor. PIC32MX devices from Microchip extend the PIC architecture into 32-bit territory using the MIPS M4K core, offering significantly more compute headroom than 8-bit PIC16/PIC18 devices while keeping the familiar MPLAB X IDE and Harmony toolchain. Key features of the PIC32MX250F256LT-50I/PT include: 50 MHz core with 1.56 DMIPS/MHz (approximately 78 DMIPS), 256 KB self-programmable Flash with live update support, 32 KB SRAM, USB 2.0 full-speed OTG device/host/on-the-go, I2S for digital audio, two I2C, two UART, two SPI, a Parallel Master Port (PMP) for graphics or external memory, a 10-bit 1 Msps ADC, three analog comparators, five 16-bit timers/counters, a Real-Time Clock and Calendar (RTCC), CTMU for touch sensing, and JTAG/ICSP/debug. The architecture combines a 5-stage MIPS M4K pipeline with a multi-vectored interrupt controller, an 8-channel DMA, and a peripheral bus that lets the CPU offload I/O. The 1.8V core is fed by an internal LDO from the 2.3-3.6V supply, and the part supports industrial-grade -40C to +85C operation. Code-compatible scaling across the PIC32MX1/2/3/4/5/6/7 families lets developers move from 64-pin to 100-pin packages or from 128 KB to 512 KB Flash without rewriting firmware. Typical applications include USB peripherals (HID, CDC, MSD, audio), capacitive touch human-machine interfaces, low-cost graphical displays driven by the PMP, sensor hubs with CTMU time-of-flight, industrial control front-ends, and battery-powered IoT endpoints with USB charging. The integrated USB transceiver eliminates external PHY cost on full-speed links. When designing with this part, allocate 16 KB of Flash for the Harmony bootloader if USB firmware update is required, and place a 0.1 uF decoupling capacitor on every VDD/AVDD pair plus a single 10 uF bulk cap near the VCAP pin. Always use the latest MPLAB XC32 compiler and the device-specific PIC32MX250F256L header for correct SFR definitions. This page synthesizes distributor pricing, drop-in PIC32MX2xx alternatives, and application guidance not collected in the Microchip datasheet alone.

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PIC32MX250F256LT-I/PF

PIC32MX250F256LT-I/PF - 32-bit MCU 256KB Flash 100-TQFP

The Microchip Technology PIC32MX250F256LT-I/PF is a 32-bit MIPS M4K microcontroller with 256KB Flash and 32KB RAM, housed in a 100-pin TQFP (14x14 mm) package. It operates at up to 40 MHz and is part of the PIC32MX1XX/2XX/5XX family offering up to 83 DMIPS performance with rich connectivity including I2S, SPI, UART, ADC, CTMU, and Parallel Master Port (PMP). A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (Flash), working memory (SRAM), and integrated peripherals. The PIC32MX250 sits within the broader taxonomy of microcontroller -> 32-bit MCU -> MIPS-based MCU -> embedded controller -> semiconductor. It is designed for embedded applications that need more processing headroom than 8/16-bit MCUs but where a Linux-class application processor is overkill. Key differentiating specifications include 256KB on-chip Flash (256K x 8 organization), 32KB SRAM, two I2S and four SPI modules for codec and serial communications, Peripheral Pin Select (PPS) for flexible pin mapping, a Parallel Master Port with dual buffers for graphics, and an integrated 10-bit ADC with CTMU for touch and capacitive sensing. The device supports 2.3V to 3.6V operation, and the -I suffix indicates an industrial temperature range of -40C to +85C. The PIC32MX250 architecture uses a MIPS32 M4K Harvard core with separate instruction and data buses, hardware multiply/divide, and a 5-stage pipeline. The PPS subsystem allows most digital peripherals to be remapped to a wide choice of physical pins, simplifying PCB routing and enabling pin-compatible variants across different memory sizes without board redesign. Typical applications include consumer audio (Bluetooth/I2S speakers), capacitive touch human-machine interfaces, low-cost graphics with PMP-driven TFT panels, USB device/host bridges, sensor hubs, and small industrial controllers. Its balance of Flash, RAM, and peripheral mix makes it well-suited to mid-volume connected products. When designing with this part, plan the 40 MHz clock tree carefully, allocate PPS mappings before PCB layout, and ensure the 100-pin TQFP footprint is consistent with the -50I/PF or -50I/PT pin-compatible speed variants if headroom is needed. This page synthesizes distributor pricing, drop-in alternatives drawn from Microchip's own PIC32MX2XX family, and practical design notes not found in the manufacturer datasheet alone.

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PIC32MX250F256LT-I/PT

PIC32MX250F256LT-I/PT - 32-bit MCU, 256KB Flash, USB | Microchip

The Microchip Technology PIC32MX250F256LT-I/PT is a 32-bit MIPS32 M4K microcontroller operating up to 50 MHz with 256 KB of Flash program memory and 32 KB of SRAM, housed in a 100-pin TQFP (12x12 mm) package. It is part of the PIC32MX2xx family targeting low-cost 32-bit performance with integrated USB 2.0 full-speed and on-chip peripherals for audio, graphics, and HMI applications. A microcontroller (MCU) is a single-chip computer containing a processor core, program memory, data memory, and integrated peripherals such as timers, communication interfaces, and analog blocks. The PIC32MX250F256L sits within the 32-bit MCU hierarchy: microcontroller -> embedded controller -> SoC, and is built on the MIPS32 M4K RISC architecture, which delivers 83 DMIPS at 50 MHz - roughly 2.5x the performance of an 8-bit PIC16 or PIC18 MCU at the same clock rate, while remaining binary-instruction-compatible with the broader PIC32 ecosystem. Key features include 256 KB Flash with live-update support, 32 KB SRAM, a 10-bit 1 Msps ADC with up to 28 input channels, two I2S modules, four SPI modules, three analog comparators, a Charge Time Measurement Unit (CTMU) for capacitive touch, a Real-Time Clock and Calendar (RTCC), and a full-speed USB 2.0 device/host/OTG controller. The Peripheral Pin Select (PPS) feature remaps most digital peripherals to any I/O pin, simplifying PCB layout. Parallel Master Port (PMP) with dual read/write buffers enables direct connection to graphics TFT displays. Architecturally, the M4K core uses a 5-stage pipeline with single-cycle MAC hardware for DSP-style operations, supported by a 16-bit instruction set and 32-bit data path. The dual-read PMP buffers enable zero-wait-state transfers to graphical displays up to QVGA resolution, while the CTMU allows sub-nanoampere current measurements enabling touch-sensing buttons and sliders without external analog components. Typical applications include USB audio interfaces, capacitive touch control panels, low-cost HMI modules with TFT displays, sensor hubs with USB connectivity, and industrial control front-ends requiring up to 28 ADC channels at 1 Msps. When designing with this MCU, allocate the 32 KB SRAM for both application code-mirror and runtime data; the 256 KB Flash supports dual-image live updates for fail-safe firmware upgrades. Decouple VDD/AVDD with 100 nF + 10 uF ceramic capacitors placed within 5 mm of the pins, and ensure the 8 MHz primary oscillator load capacitors match the crystal's CL specification to maintain USB-accurate timing.

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PIC32MX254F128B-V/MM

PIC32MX254F128B-V/MM - 72MHz 128KB Flash 32-bit MCU | Microchip

The Microchip Technology PIC32MX254F128B-V/MM is a 32-bit MIPS32 M4K-based microcontroller running at up to 72 MHz, integrating 128 KB of Flash and 32 KB of SRAM, and housed in a 28-pin QFN-S EP (6x6 mm) package with an exposed thermal pad. The device supports Full-Speed USB 2.0 (12 Mbps), up to 21 channels of 10-bit ADC at 1 Msps, three analog comparators, an RTCC, CTMU, and the eXtreme Low Power (XLP) feature set that reduces run, sleep and deep-sleep currents below the previous generation of PIC32MX parts. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, and a wide range of peripheral interfaces (ADC, timers, communication controllers, I/O). It sits at the top of the embedded control hierarchy, below application processors but above discrete logic, and is the brain of nearly every embedded product. The PIC32MX family is the 32-bit MIPS-based branch of Microchip's PIC portfolio, designed to bridge 8/16-bit PIC customers to higher-performance applications while retaining the legacy peripheral set and tool chain. Key features: 32-bit MIPS32 M4K core at 72 MHz with 83 DMIPS performance, 128 KB Flash with live update, 32 KB SRAM, USB 2.0 Full-Speed OTG, a 16-channel 10-bit 1 Msps ADC, three analog comparators with programmable reference, an RTCC with calendar mode, a CTMU for capacitive touch and mA-range current source measurement, and 21 general-purpose I/Os in this 28-pin variant. The XLP feature set targets 30 uA/MHz run current and sub-microamp deep-sleep retention, making the part suitable for battery-powered designs. Architecturally, the PIC32MX254F128B combines a Harvard-style bus with 5-stage pipeline MIPS32 core, dual-bank Flash for in-field self-programming, peripheral pin-select (PPS) for flexible I/O mapping, and a hardware PMP (Parallel Master Port) for graphics displays. The USB controller includes on-chip transceiver and 1.5 kB of dedicated endpoint RAM, eliminating external PHY/components for Full-Speed links. Typical applications include USB audio DAC interfaces, MIDI controllers, low-cost graphics LCDs with PMP, capacitive touch keypads, sensor hubs, smart energy monitors, and automotive body modules (the -V grade indicates -40C to +105C automotive temperature range). Design considerations: ensure the exposed pad is soldered to a sufficient copper pour for thermal relief, place the 4.7 uF bulk cap and 0.1 uF decoupling caps adjacent to each VDD/VSS pair, and use Microchip's Harmony or MPLAB X IDE for code development. Note that the -V/MM suffix denotes automotive temperature grade and 28-pin QFN-S EP (MM) package, so verify the operating range matches your environment. This page synthesizes distributor pricing, same-package drop-in alternatives drawn from the PIC32MX1xx/2xx family, and practical design notes not found in the manufacturer datasheet alone.

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PIC32MX254F128BT-I/MM

PIC32MX254F128BT-I/MM - 32-bit 72MHz MCU, 128KB Flash | Microchip

The Microchip PIC32MX254F128BT-I/MM is a 32-bit MIPS32 M4K PIC microcontroller with 72 MHz CPU clock and 128 KB Flash in a 28-pin QFN-S (6x6 mm) package with exposed thermal pad. It delivers 83 DMIPS performance, integrates 32 KB SRAM, full-speed USB 2.0, and supports eXtreme Low Power (XLP) sleep modes for battery-friendly designs. Per the Microchip product page, the PIC32MX15x family lowers run, sleep, and deep-sleep currents versus earlier PIC32MX parts while extending 28/44-pin variants to 72 MHz. A PIC32MX microcontroller is a 32-bit MIPS-based MCU family from Microchip that bridges the gap between 8-bit PIC16/PIC24 devices and 32-bit ARM Cortex-M parts. Positioned in the hierarchy: PIC32MX -> PIC32 family -> 32-bit MCU -> microcontroller -> embedded controller. These parts offer deterministic interrupt latency, mature MPLAB XC32 toolchain support, and rich peripherals (USB, CAN, PMP, ADC, CTMU) for cost-sensitive embedded designs. Key features include MIPS32 M4K single-core at 72 MHz, 128 KB Flash, 32 KB SRAM, full-speed USB 2.0 device/host/OTG, up to 17 general-purpose I/O pins with Peripheral Pin Select (PPS), 10-bit 1 Msps ADC with up to 13 channels, three analog comparators, two I2S/SPI modules, two UART/I2C modules, CTMU for capacitive touch, RTCC, and on-chip temperature measurement. XLP technology provides deep-sleep currents in the microamp range. The architecture combines a 5-stage MIPS32 M4K pipeline with single-cycle multiply, hardware divide, and 1.5 DMIPS/MHz efficiency. Programmable Peripheral Pin Select remaps digital peripherals to any GPIO, simplifying PCB routing. The 28-pin QFN-S package with exposed pad enables low-thermal-resistance mounting for industrial-temperature operation. Typical applications include consumer USB devices (HID, CDC, mass storage), low-power IoT sensor nodes, capacitive touch interfaces using CTMU, battery-powered medical monitors, industrial control panels, and home appliances. The USB 2.0 FS peripheral makes the part a strong fit for any design that needs a tethered PC interface without an external PHY. When designing, use the MPLAB X IDE + XC32 compiler and program via ICSP (PGECx/PGEDx) or the standard 6-pin header. The exposed pad must be soldered to the ground plane for thermal performance and electrical reference. Plan USB DP/DN trace impedance to 90 ohm differential per USB 2.0 spec. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC32MX254F128BT-I/SO

PIC32MX254F128BT-I/SO - 72MHz, 128KB Flash, USB MCU | Microchip

The Microchip PIC32MX254F128BT-I/SO is a 32-bit MIPS M4K microcontroller with 128 KB Flash and 32 KB SRAM, running at up to 72 MHz in a 28-pin SOIC package with industrial temperature rating (-40C to +85C). It integrates a Full-Speed USB 2.0 device peripheral, three analog comparators, a Charge Time Measurement Unit (CTMU), and a Real-Time Clock/Calendar (RTCC), making it suited for connected embedded designs. A 32-bit microcontroller (MCU) is an integrated processor core, program memory, data RAM, and a rich set of on-chip peripherals built around an arithmetic unit that handles 32-bit data in a single instruction. PIC32MX parts belong to the PIC family hypernym and target applications that exceed 8-bit or 16-bit MCU performance, sitting in the system hierarchy as MCU -> 32-bit MCU -> MIPS-based MCU -> embedded controller. The M4K core executes the MIPS32 instruction set and provides single-cycle hardware multiply, 32-bit register file, and deterministic interrupt response. Key features of the PIC32MX254F128BT-I/SO include 128 KB (128K x 8) Flash program memory, 32 KB SRAM, Peripheral Pin Select (PPS) for flexible I/O mapping, mTouch capacitive touch sensing, up to five 16-bit timers, two I2S/SPI modules for audio codec and serial connectivity, and an on-chip 10-bit ADC. The device operates from 2.3V to 3.6V, supports ICSP and JTAG programming, and provides a JTAG debugger port for in-circuit emulation. The architecture combines a 5-stage pipeline M4K core with separate 16-bit instruction and 8-bit data buses (fetched as 32-bit words), achieving 83 DMIPS at 72 MHz. This is complemented by a 4-channel DMA controller that offloads peripheral-to-memory transfers, allowing the CPU to focus on application logic. The integrated USB 2.0 Full-Speed device with dedicated transceiver simplifies USB device design without external PHY. Typical applications include USB Human Interface Devices (HID) such as keyboards and mice, capacitive touch user interfaces, low-cost audio playback via I2S codecs, RTCC-based data loggers, industrial sensor hubs with USB diagnostics, and consumer appliances requiring 32-bit performance with low active current. The wide peripheral mix also supports serial display bridges using PMP. When designing with the PIC32MX254F128BT-I/SO, ensure the VCAP pin (pin 20 in the SOIC-28) has a low-ESR 10 uF capacitor for the internal regulator, place a 1 uF + 0.1 uF decoupling pair near VDD, and observe the 50 MHz vs 72 MHz speed grade selection (I suffix = industrial temperature, no speed suffix). For USB applications, the D+/D- lines require 27 ohm series resistors and the VBUS sense pin must be routed through the internal analog comparator. This page synthesizes Microchip datasheet specs, distributor pricing, and pin-compatible alternatives not aggregated on any single manufacturer or distributor page.

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PIC32MX254F128BT-V/SO

PIC32MX254F128BT-V/SO - 32-bit MCU 128KB Flash USB 28-SOIC | Microchip

The Microchip PIC32MX254F128BT-V/SO is a 32-bit MIPS32 M4K microcontroller with 128KB Flash and 32KB SRAM, USB 2.0 Full-Speed, and 72 MHz core clock, housed in a 28-pin SOIC package with Tape & Reel delivery and AEC-Q100 automotive qualification. It belongs to the PIC32MX1xx/2xx family, which combines low-power eXtreme Low Power (XLP) modes with the deterministic performance of the MIPS32 M4K core and full-speed USB 2.0 device/host/on-the-go support for connected embedded designs. What is a PIC32MX? A PIC32MX is a 32-bit flash microcontroller from Microchip based on the MIPS32 M4K Harvard architecture, positioned between 8-bit PIC16/PIC18 devices and 32-bit ARM Cortex-M parts. PIC32MX parts integrate rich peripherals (ADC, comparators, CTMU, RTCC, PMP), multiple communication interfaces (UART, SPI, I2C, USB, CAN depending on variant), and ultra-low-power sleep modes under the XLP banner, making them suitable for cost-sensitive connected applications. Key features of the PIC32MX254F128BT-V/SO include 128KB single-cycle Flash with live update support, 32KB SRAM, 4KB EEPROM emulation area in Flash, 21 available I/O lines with mappable interrupt-on-change, three analog comparators with programmable reference, a 10-bit 1 Msps ADC with up to 13 input channels, a Charge Time Measurement Unit (CTMU) for capacitive touch and time-of-flight measurements, a Real-Time Clock and Calendar (RTCC) module, and a Full-Speed USB 2.0 controller with transceiver. The PIC32MX254F128BT-V/SO architecture uses a 32-bit RISC core with 5-stage pipeline, single-cycle multiply, hardware divide, and 32-bit-wide instruction fetch. The device supports 1.8V to 3.6V single-supply operation with on-chip regulators and the proprietary nanoWatt XLP feature set (Sleep, Deep Sleep, Retention modes) for battery-driven applications. Wide 3.3V tolerance on digital I/O simplifies mixed-voltage system integration with sensors and radios. Typical applications include USB human-interface devices (HIDs), capacitive touch key panels, sensor hub MCUs, automotive body controllers and HMI clusters (AEC-Q100 qualified), home appliances with low-power standby, industrial sensor transmitters, and any low-power connected embedded system. The CTMU module adds analog signal conditioning for proximity, flow, and temperature sensing. When designing with this part, plan for proper decoupling (0.1 uF plus bulk ceramic per VDD/AVDD pair), use the internal 8 MHz RC with PLL to reach 72 MHz, and consider the 28-pin SOIC's lower pin density when many peripherals are required - migrate to PIC32MX254F128BT-I/PT (44-pin TQFP) or PIC32MX254F128BT-I/PF (100-pin TQFP) family members if more I/O is needed. This page synthesizes distributor pricing, pin-compatible alternatives from Microchip's own portfolio, and practical design notes not found in the manufacturer datasheet. Cross-brand drop-in equivalents are limited for this part because the MIPS32 core and Microchip peripheral register set have no second-source manufacturer.

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PIC32MX254F128D-I/ML

PIC32MX254F128D-I/ML - 32-bit MCU, 128KB Flash, USB, 44-QFN | Microchip

The Microchip Technology PIC32MX254F128D-I/ML is a 32-bit MIPS M4K microcontroller in the PIC32MX25x family, integrating 128 KB Flash and 32 KB SRAM in a 44-pin QFN (8x8 mm) package with eXtreme Low Power (XLP) technology. It operates up to 72 MHz, supports 3.3V typical supply (2.3V–3.6V range), and includes on-chip full-speed USB 2.0, three analog comparators, CTMU, and a real-time clock calendar (RTCC). A 32-bit microcontroller (MCU) is an embedded processor that executes instructions over a 32-bit data path, allowing higher throughput, larger address space, and richer peripherals than 8- or 16-bit MCUs. PIC32 belongs to Microchip's MIPS-based 32-bit family and sits in the broader taxonomy: MCU -> 32-bit MCU -> MIPS M4K core -> PIC32 -> PIC32MX25x sub-family -> power management IC hierarchy. XLP variants add ultra-low sleep/deep-sleep currents, useful for battery-powered and energy-harvesting designs. Key features include 128 KB program Flash, 32 KB SRAM, four DMA channels, two I²C, two SPI, two UART, PMP/EPMP graphics interface, 10-bit ADC up to 1 Msps, three analog comparators, CTMU for capacitive touch, full-speed USB 2.0 device/host/OTG, RTCC with calendar, and 5-bit/5-channel plus PWM. It integrates USB, multiple serial com, and system-level analog in one die, reducing external BOM. Technically the part uses the MIPS32 M4K core with single-cycle hardware multiply, MPU for code protection, and prefetch cache to mask Flash latency. The 44-QFN package exposes 34 digital I/O, multiple 5V-tolerant pins, and a thermal pad for improved power dissipation. The CTMU enables touch sensing, while EPMP drives parallel graphics LCDs. Typical applications include USB peripherals, audio playback with USB streaming, low-power graphics HMI, capacitive touch user interfaces, real-time-clock-based data loggers, and battery-powered industrial sensors. The QFN package suits compact, reflow-soldered consumer/industrial modules. A key design consideration: route the USB DP/DM traces as a 90-ohm differential pair with a clean ground return and place ferrite beads on VBUS to pass USB-IF compliance. The CTMU requires calibrated software timing; consult Microchip TB3018 for touch firmware patterns. This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical design notes beyond the manufacturer datasheet to accelerate your bring-up.

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PIC32MX254F128D-I/PT

PIC32MX254F128D-I/PT - 72MHz 128KB Flash 32-bit MCU | Microchip

The Microchip Technology PIC32MX254F128D-I/PT is a 32-bit MIPS M4K microcontroller operating at up to 72MHz, integrating 128KB Flash and 32KB SRAM in a 44-pin TQFP (10x10 mm) package, with on-chip USB 2.0 full-speed, three analog comparators, CTMU, RTCC, and eXLP low-power peripherals. According to the Microchip PIC32MX1XX/2XX 28/36/44-pin family datasheet (DS60001168L), the part is qualified for industrial temperature range -40C to +85C and ships in tape-and-reel packaging. The 32KB SRAM is a notable feature among PIC32MX25x devices, supporting audio USB stores and graphics processing workloads. A 32-bit microcontroller (MCU) is an integrated circuit that combines a CPU core, program memory (Flash), data memory (SRAM), and a rich mix of peripherals (USB, comparators, ADC, timers, communication interfaces) on a single silicon die. Within the taxonomy, PIC32MX254F128D belongs to the PIC32 family, which is itself a member of the MIPS M4K architecture class, positioning it as a mid-range 32-bit MCU targeted at USB-enabled embedded designs that need more memory than 8/16-bit parts can provide. Key differentiating features include the MIPS32 M4K core with single-cycle hardware multiply/divide, dedicated USB 2.0 full-speed OTG peripheral, three on-chip analog comparators with programmable reference, a Charge Time Measurement Unit (CTMU) for capacitive touch and precise time measurement, and a Real-Time Clock Calendar (RTCC) module for date/time-keeping with backup battery support. The architecture integrates a 5-channel DMA controller, 16-bit parallel master port for external memory or graphics, and audio/graphics interface logic. The eXLP (eXtreme Low Power) features include deep-sleep currents in the microampere territory, with multiple low-power modes that allow battery-powered applications to extend operational lifetime. Typical applications include USB peripherals (HID, CDC, audio), audio playback devices, graphics-enabled HMIs with parallel LCDs, capacitive touch interfaces using CTMU, and battery-powered industrial sensors. The combination of 128KB Flash and 32KB RAM is sufficient for protocol stacks such as USB, USB HID class stacks, and open-source RTOS ports such as FreeRTOS. When designing with this part, ensure the VDD/Vbat pin is properly decoupled with at least a 4.7uF bulk capacitor plus 0.1uF high-frequency bypass. The USB bus-powered variant must observe USB 2.0 inrush current requirements, and the trace impedance on the D+/D- pair should be 90 ohms differential. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC32MX254F128D-V/ML

PIC32MX254F128D-V/ML - 32-bit 72MHz 128KB Flash MCU | Microchip

The Microchip Technology PIC32MX254F128D-V/ML is a 32-bit MIPS32 M4K PIC microcontroller running at 72 MHz with 128 KB Flash and 32 KB SRAM in a 44-pin QFN (8x8 mm) package. It is a member of the PIC32MX1XX/2XX XLP family optimized for low-power operation while raising the performance ceiling of 28/44-pin PIC32 devices. The part carries the automotive-grade “-V” temperature suffix and is AEC-Q100 qualified, making it suitable for harsh-environment deployments. What is a PIC32MX microcontroller? The PIC32MX is Microchip's MIPS-based 32-bit MCU line that bridges 8/16-bit PIC and ARM Cortex-M ecosystems. The XLP (eXtreme Low Power) sub-family adds sub-uA sleep currents, multiple deep-sleep modes, and peripheral clock gating. PIC32MX parts integrate a MIPS32 M4K core, configurable peripherals through Peripheral Pin Select (PPS), USB 2.0 Full-Speed with on-chip transceiver, up to 16 channels of 10-bit ADC, and up to five 16-bit timers. Key features of the PIC32MX254F128D-V/ML include 128 KB Flash, 32 KB RAM, 72 MHz CPU/USB clock from a 8 MHz system source, 34 usable I/O, two I2C modules, separate PLLs for CPU and USB, Capture Management of Cellular Therapy Unit (CTMU), Real-Time Clock Calendar (RTCC), and 5-bit 16-bit timers. Differential adapters ensure automotive-grade reliability. Three 16-bit timers/comparables are accessible via PPS remapping. The device architecture employs a Harvard-style cache with separate 16 KB instruction and data paths, hardware multiply/divide, and 4-channel DMA with automatic data-size detection. This balances deterministic real-time response with high code density. The CTMU enables capacitive touch sensing, and a 10-bit 1 Msps ADC supports sensor and audio signal acquisition. Typical applications include USB Human Interface Devices (HID), automotive body controllers and sensor clusters, low-cost graphics and audio front-ends, capacitive-touch user interfaces, and industrial sensor nodes. The wide 2.5–3.6 V supply range and AEC-Q100 qualification make it well suited for 12 V/24 V automotive bus systems. XLP modes permit multi-year battery life in portable or remote nodes. When designing with this MCU, place the VCAP pin capacitor (low-ESR ceramic, >=6 V rating) within 1 cm of the pin. Use dedicated PGECx/PGEDx pairs for ICSP – these pins cannot be remapped. The USB bus requires a 48 MHz PLL lock and ESD protection per USB 2.0 specification. This page consolidates distributor pricing, parametric comparison, and practical design notes not found in the manufacturer datasheet.

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PIC32MX254F128D-V/PT

PIC32MX254F128D-V/PT - 32-bit MCU 128KB Flash USB | Microchip

The Microchip PIC32MX254F128D-V/PT is a 32-bit MIPS32 M4K microcontroller with 128KB Flash and USB, qualified to AEC-Q100 automotive standards, in a 44-pin TQFP package. It runs at up to 72 MHz, integrates 32KB SRAM, and supports 2.3V-3.6V operation with the PIC32MX XLP (eXtreme Low Power) feature set. The -V/PT suffix denotes the automotive-grade (AEC-Q100) variant supplied in a 44-pin TQFP 10x10x1mm tray. What is a PIC32MX microcontroller? The PIC32MX is a family of 32-bit flash microcontrollers from Microchip Technology built on the MIPS32 M4K core. They occupy the mid-range performance tier of Microchip's 32-bit MCU portfolio, bridging 8-bit PIC16/PIC18 and higher-performance Cortex-M devices. PIC32MX devices integrate rich peripherals (USB, CAN, ADC, comparators, CTMU, RTCC) while retaining the PIC ecosystem's MPLAB X IDE and Harmony framework compatibility. Key features of the PIC32MX254F128D-V/PT include: a 72 MHz maximum CPU clock, 128KB program Flash, 32KB SRAM, full-speed USB 2.0 device/host/OTG, three analog comparators, a 13-channel 10-bit 1 Msps ADC, and Peripheral Pin Select (PPS) for flexible pin mapping. The XLP extensions cut run current to ~20 µA/MHz and deep-sleep current to the nA range, with fast wake-up from deep sleep. The device uses a 5-stage pipeline MIPS32 M4K core with single-cycle multiply and hardware divide. Separate PLLs serve the system clock and the 48 MHz USB clock, allowing CPU and USB to run independently. The integrated charge time measurement unit (CTMU) supports capacitive touch sensing, while the RTCC module keeps accurate time in deep sleep. Typical applications include automotive body and HMI modules, USB peripherals (CDC/HID/MSD), low-power IoT edge nodes, capacitive touch keypads, and small graphic HMI displays. The wide temperature range and AEC-Q100 qualification also suit industrial control boards exposed to harsh environments. When designing with this part, note the 44-pin TQFP exposed pad must be soldered to the PCB ground plane for thermal dissipation and signal integrity. Use MPLAB X IDE with XC32 compiler for firmware development. The automotive-grade (-V) variant differs from the industrial-grade (-I) only in qualification testing and temperature range.

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PIC32MX254F128DT-I/ML

PIC32MX254F128DT-I/ML - 72MHz 128KB Flash 32-bit MCU | Microchip

The Microchip Technology PIC32MX254F128DT-I/ML is a 32-bit MIPS32 M4K PIC microcontroller in the PIC32MX1XX/2XX series, integrating 128 KB Flash and 32 KB SRAM in a 44-pin QFN (8x8 mm) exposed-pad package. Operating from 2.3V to 3.6V, the part runs at up to 72 MHz core frequency, delivers 1.56 DMIPS/MHz, and exposes USB 2.0 full-speed, three analog comparators, a CTMU, and a Real-Time Clock Calendar (RTCC). The "DT" suffix indicates the tape-and-reel packaging variant; the "-I" marks the industrial -40C to +85C temperature range. A PIC microcontroller (MCU) is a single-chip microprocessor with integrated Flash program memory, SRAM, peripherals, and I/O. The PIC32MX family extends Microchip's legacy PIC16/PIC24 architecture to the MIPS32 M4K core, enabling 32-bit register operations, single-cycle multiply, and full C compilers while preserving the deterministic interrupt model. PIC32MX254F128D parts sit in the lower-power XLP tier, optimized for battery and USB-powered embedded designs that require USB, graphics, or audio interfaces. Key features include 16 KB I/O memory, a 10-bit 1 Msps ADC, five 16-bit timers, four DMA channels, two I2C, two SPI, and four UART (one with IrDA), plus PPS (Peripheral Pin Select) for flexible signal routing. Internal 8 MHz and 32 kHz oscillators are supported, and the 8 MHz RC can be multiplied via PLL to reach the 72 MHz top frequency. The XLP technology deep-sleep current is in the microamp range, enabling years of operation from a coin cell. Typical applications include USB peripherals (HID, CDC, audio class), low-cost graphics terminals with PMP, sensor hubs, home automation nodes, and battery-backed IoT endpoints. The USB PHY, 3 comparators, and CTMU enable capacitive-touch user interfaces without external ICs, while the RTCC plus XLP sleep keep standby power under 1 microamp. When designing with this part, keep in mind the 44-QFN requires a 0.4 mm pitch PCB land pattern and an exposed pad that must be soldered to a sufficient copper area for thermal relief and ground return. USB DP/DM traces must be 90 ohm differential and length-matched. Always reference Microchip MPLAB X IDE and Harmony framework configuration for clock, USB stack, and RTCC initialization.

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PIC32MX254F128DT-V/PT

PIC32MX254F128DT-V/PT - 32-bit MCU, 128KB Flash, USB | Microchip

The Microchip Technology PIC32MX254F128DT-V/PT is a 32-bit MIPS M4K microcontroller from the PIC32MX25x family, featuring 128 KB of Flash program memory and 32 KB of SRAM in a 44-pin TQFP (PT) package rated for the -40C to +105C automotive temperature range. It integrates a full-speed USB 2.0 device/host/OTG controller, three analog comparators, a Charge Time Measurement Unit (CTMU), and a Real-Time Clock/Calendar (RTCC), giving designers a single-chip solution for human-interface and connected embedded products. A 32-bit microcontroller (MCU) is an integrated computing system on a single die that combines a CPU core, program memory, data memory, peripherals, and I/O. PIC32MX parts sit in the hierarchy microcontroller -> embedded processor -> semiconductor IC, and are commonly chosen when designs need 32-bit arithmetic performance with deterministic low-power behavior. PIC32MX2x devices extend the PIC32MX1x/2x 28/36/44-pin family by adding XLP (eXtreme Low Power) run, sleep, and deep-sleep currents while raising the system clock on 44-pin variants to 72 MHz. Key features of this device include 128 KB Flash (128K x 8), 32 KB SRAM, an 8-channel 10-bit 1 Msps ADC, five 16-bit timers/counters, four UART, two SPI, two I2C, and two I2S/SPI audio interfaces. XLP modes such as Deep Sleep pull core current down to microamp levels while preserving RTCC and a wake source, allowing battery-powered nodes to live for years on a single cell. The MIPS M4K core executes most instructions in one cycle and provides single-cycle multiply, suitable for DSP-like pre-processing. Architecturally the device pairs a 5-stage MIPS32 pipeline with tightly-coupled SRAM for low-latency access. The USB OTG PHY, comparators, and CTMU are integrated on-die, removing the external PHY or analog blocks typical of older 16-bit PIC MCUs and shortening BOM cost. A JTAG/2-wire debug port enables in-circuit programming and live debug with MPLAB X IDE. Typical applications include USB audio peripherals (headsets, USB speakers, MIDI controllers), IoT sensor hubs, low-power handhelds, automotive HMI clusters, USB to UART bridges, and embedded HMIs. Designers pick this part when they need USB connectivity, lots of GPIO, and on-chip analog with a wide temperature window. Reference companions include the MCP2200 USB-UART bridge and MCP1700 LDO regulator for 3.3 V rails. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC32MX270F256B-50I/SO

PIC32MX270F256B-50I/SO - 50MHz 32-bit MCU 256KB Flash | Microchip

The Microchip Technology PIC32MX270F256B-50I/SO is a high-performance 32-bit microcontroller based on the MIPS32 M4K core, operating up to 50 MHz delivering 83 DMIPS, with 256 KB Flash and 64 KB SRAM in a 28-pin SOIC package. The 50 MHz maximum clock speed and 0.5 mA/MHz typical active current consumption make this part a strong fit for connected embedded designs that balance processing throughput with low power. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, volatile memory (SRAM), non-volatile program memory (Flash), and a rich set of peripherals. PIC32MX2XX MCUs extend this with audio/graphics peripherals, USB 2.0 Full-Speed, and advanced analog blocks. Within the Microchip taxonomy, the PIC32MX270F256B-50I/SO sits in the PIC32 family (32-bit MIPS) > PIC32MX sub-family (general purpose with USB) > PIC32MX1XX/2XX 28/36/44-pin series, providing 32-bit performance with peripheral breadth not available in 8-bit PIC16/PIC18 families. Key features include two I2S/SPI modules for audio codecs, Peripheral Pin Select (PPS) for flexible I/O mapping, a Parallel Master Port (PMP) for graphics interfaces, mTouch capacitive touch support, Charge Time Measurement Unit (CTMU) for high-resolution 1 ns time measurement, and an on-chip temperature sensor. The integrated 10-bit ADC reaches 1 Msps, and the device supports 2.5V/3.3V operation across the industrial -40C to +85C temperature range. USB 2.0 Full-Speed device/host/On-The-Go is included without an external PHY. The PIC32MX270F256B-50I/SO employs a 5-stage pipeline MIPS32 M4K core with hardware multiply/divide and a single-cycle bit manipulation engine. Instruction and data caches are configurable. The 256 KB single-cycle Flash provides ample room for USB audio stacks plus application code, while the 64 KB SRAM supports USB endpoint buffers plus audio/DSP scratch memory. Peripheral Pin Select remaps most digital functions to any remappable I/O, eliminating the fixed-pin constraints of older PIC MCUs. Typical applications include USB audio interfaces, capacitive touch human-machine interfaces, low-cost graphics terminals using PMP, sensor hubs, industrial control with USB connectivity, and portable medical data loggers. The combination of USB, I2S, PMP, and CTMU removes a hard peripheral found on competing MCUs, letting a single chip replace a discrete MCU plus companion logic. When designing, ensure the 3.3V LDO or switching regulator provides a clean rail with adequate decoupling; place a 10 uF bulk plus 0.1 uF ceramic capacitor pair near each power pin. Use Microchip's Harmony or MPLAB XC32 toolchain with the device's BSP for jump-starting development; the part's broad peripheral set reduces external component count.

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PIC32MX270F256B-I/SO

PIC32MX270F256B-I/SO - 32-bit MCU, 256KB Flash, USB, 28-SOIC | Microchip

The Microchip Technology PIC32MX270F256B-I/SO is a 32-bit RISC microcontroller built on the MIPS32 M4K core, delivering up to 50 MHz / 83 DMIPS performance with a typical active current of 0.5 mA/MHz. The device integrates 256 KB Flash and 64 KB SRAM in a 28-pin SOIC (SO) wide-body package, plus a full-speed USB 2.0 controller, two I2S/SPI modules, a Parallel Master Port (PMP), and a 10-bit 1 Msps ADC with up to 28 analog channels. A 32-bit microcontroller (MCU) is a microprocessor core paired with program memory (Flash), working memory (SRAM), and a rich peripheral set on a single die. Within the broader taxonomy, the PIC32MX270F256B sits in the Microchip PIC32MX1/2 32-bit MCU family, itself a subfamily of the larger PIC32 product line that targets 32-bit embedded applications formerly served by 16-bit PIC24/dsPIC parts. The '270' family is distinguished from the '170' family by the addition of an integrated USB 2.0 full-speed device/host/OTG controller, while sharing the same MIPS32 M4K core, Peripheral Pin Select (PPS) remapping, and mTouch capacitive touch capability. Key features include 1.5 KB of EEPROM emulation-friendly Flash auxiliary, a Charge Time Measurement Unit (CTMU) for mTouch capacitive touch and 1 ns high-resolution time measurement, an on-chip temperature indicator, Peripheral Pin Select (PPS) for flexible I/O assignment, and JTAG/ICSP debug ports. The 28-SOIC package offers 0.300 inch body width suitable for hand-soldering and through-hole-compatible socket adapters, with the same pinout shared across the 28-pin PIC32MX1XX/2XX family. The device operates from 2.3V to 3.6V, supports an industrial -40C to +85C junction range in the I-grade, and is supported by MPLAB X IDE, MPLAB Harmony framework, and XC32 toolchain. The USB peripheral simplifies HID, CDC, MSD, and custom-class designs without an external PHY, while PMP enables direct connection to graphical TFT and parallel SRAM controllers. Typical applications include USB HID peripherals (keyboards, mice, custom input devices), audio interfaces via I2S, low-cost graphical HMI with PMP-driven LCDs, capacitive touch button/slider panels, and industrial sensor aggregation nodes. The 256 KB Flash and 64 KB SRAM budget comfortably supports USB stacks plus application code and RTOS kernels. When designing with this part, place a 10uF bulk + 0.1uF decoupling pair near each VDD/VSS pin pair, route the USB DP/DM pair as a 90 ohm differential with matched length to within 150 mil, and reserve a clean 3.3V rail from an LDO rated for at least 100 mA. The PPS feature allows most digital peripherals to be remapped to any RP-capable pin - leave unused pins available for late-stage design changes. This page synthesizes authorized distributor pricing, MPLAB X toolchain references, and verified drop-in alternatives across the PIC32MX1XX/2XX family to give engineers a single decision-ready view not provided by the bare manufacturer datasheet.

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PIC32MX270F256B-I/SS

PIC32MX270F256B-I/SS - 32-bit 40MHz MCU, 256KB Flash | Microchip

The Microchip PIC32MX270F256B-I/SS is a 32-bit RISC microcontroller based on the MIPS32 M4K core, delivering 40 MHz core clock performance and 256 KB of Flash program storage plus 64 KB of SRAM in a 28-pin SSOP package. According to the Microchip datasheet DS60001168L, it integrates two I2S/SPI modules for codec and serial communications, full-speed USB OTG, a Parallel Master Port (PMP) for graphics interfaces, and Peripheral Pin Select (PPS) for flexible signal routing. A microcontroller (MCU) is an integrated circuit combining a CPU core, RAM, non-volatile program memory, and configurable peripherals (ADC, timers, communication interfaces) on a single die. The PIC32MX270 family belongs to the broader 32-bit MCU category, which sits hierarchically above 8/16-bit MCUs and below microprocessor units (MPUs). It enables embedded developers to build standalone products with deterministic firmware execution and rich analog/digital peripherals. Key features of this variant include 0.5 mA/MHz typical active current consumption, support for mTouch capacitive touch buttons and sliders, a high-resolution 1 ns time measurement module, an on-chip temperature sensor, and a 10-bit ADC. The PPS subsystem lets signals be remapped to multiple pins, simplifying PCB layout and BOM changes late in the design cycle. The PIC32MX270 architecture uses a 5-stage pipeline MIPS32 M4K core with hardware multiply/divide and a single-cycle Flash read path, achieving 83 DMIPS at full 40 MHz clock. Integrated Full-Speed USB 2.0 OTG with on-chip transceiver, CAN 2.0B, I2S, PMP for direct graphics display connection, and 16-bit Parallel Master Port make it suitable for human-machine interface designs without external bus controllers. Typical applications include USB audio peripherals, capacitive touch human-interface devices, low-cost graphics terminals using PMP, industrial control with CAN bus connectivity, and battery-powered IoT edge nodes with USB charging. When designing with this part, note that the SSOP package's thermal dissipation capability is limited. Use adequate copper pour for thermal relief, place decoupling capacitors close to VDD/VSS pairs, and ensure the ICSP programming pins are accessible. Program/debug with MPLAB X IDE, MPLAB XC32 compiler, and a PICkit3/Snap programmer-debugger. This page synthesizes Microchip datasheet specifications, current distributor pricing from DigiKey and Mouser, drop-in SSOP alternatives from the PIC32MX family, and practical design notes beyond the manufacturer datasheet.

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PIC32MX270F256B-V/ML

PIC32MX270F256B-V/ML - 32-bit MCU 256KB Flash 40MHz | Microchip

The Microchip Technology PIC32MX270F256B-V/ML is a 32-bit MIPS M4K RISC microcontroller running up to 50 MHz (83 DMIPS) with 256 KB Flash and 64 KB SRAM, housed in a 28-pin QFN (6x6 mm) package, qualified to the Automotive AEC-Q100 grade and rated for the -40C to +105C industrial temperature range (suffix -V denotes 105C). It integrates two I2S/SPI modules, USB 2.0 Full-Speed device/host/OTG, a Parallel Master Port (PMP) for graphics, Peripheral Pin Select (PPS) for flexible signal routing, and an on-chip temperature indicator. What is a PIC32MX microcontroller? The PIC32MX family is Microchip's 32-bit extension of the legacy PIC16/PIC24 architecture, built on the MIPS M4K core. MCUs are mixed-signal embedded processors that integrate CPU, non-volatile program memory, volatile data SRAM, and peripherals (ADC, timers, communication interfaces) into one device. PIC32MX parts sit in the hierarchy MCU -> 32-bit MCU -> MIPS-based MCU -> PIC32 family -> PIC32MX1XX/2XX sub-family and target cost-sensitive real-time control and USB-connected embedded applications. Key features of the PIC32MX270F256B include a 1.2 mA/MHz typical dynamic current consumption, two I2S/SPI modules for audio codec interfacing, Peripheral Pin Select for flexible pin mapping, a Parallel Master Port for graphics, mTouch capacitive touch sensing support, a Charge Time Measurement Unit (CTMU) for 1 ns-resolution time measurement, a 10-bit 1 Msps ADC with up to 28 channels, and a USB 2.0 Full-Speed peripheral. The 28-QFN package is appropriate for space-constrained designs with moderate thermal dissipation requirements. Architecturally, the PIC32MX270F256B uses a Harvard-style bus with separate Flash and SRAM paths, a 5-stage pipeline, single-cycle multiply, and zero-overhead hardware loops. PPS allows remapping of most digital peripherals to a wide range of I/O pins, which simplifies PCB layout. The PMP can interface to external parallel memory or graphics controllers, while the two I2S modules enable audio CODEC interfacing. Typical applications include industrial sensing with USB diagnostics, automotive body and HMI controllers (AEC-Q100 qualified), USB peripherals such as HID/CDC devices, mTouch capacitive touch panels, graphics interfaces via PMP, and audio processing nodes using I2S. The combination of USB, PMP, and mTouch makes the part particularly attractive as a low-cost 32-bit platform for connected sensing and human-machine interfaces. When designing with this device, allocate the 64 KB SRAM carefully - 32 KB is often reserved for DMA-coherent buffers in USB stacks. The 28-QFN package has a thermal pad that must be soldered to a sufficient copper pour to keep junction temperature below 115C at maximum CPU load. PPS remapping should be finalized in firmware early because some pin functions are not mappable. This page synthesizes distributor pricing, automotive-grade cross references within the PIC32MX1XX/2XX family, and practical design notes not found in the bare manufacturer datasheet.

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PIC32MX270F256B-V/SO

PIC32MX270F256B-V/SO - 32-bit MCU 256KB Flash 40MHz USB | Microchip

The Microchip Technology PIC32MX270F256B-V/SO is a 32-bit MIPS32 M4K microcontroller operating at up to 40 MHz (83 DMIPS), integrating 256 KB Flash and 64 KB SRAM in a 28-pin SOIC package. It is part of the PIC32MX1XX/2XX 28/36/44-pin family, which targets low-power 32-bit embedded designs requiring USB connectivity, audio, and graphics interfaces. A 32-bit microcontroller (MCU) is an embedded computing device that integrates a CPU core, program memory (Flash), data memory (SRAM), and a rich set of peripherals (UART, SPI, I2C, ADC, timers, USB, I2S, PMP) onto a single silicon die. Within the embedded system hierarchy, MCUs sit below microprocessors (MPUs) and above digital signal controllers (DSCs) in compute capability, providing deterministic real-time control with on-chip peripherals. The PIC32MX2XX family is the upper tier of Microchip's PIC32MX1XX/2XX lineup, distinguished by the addition of a full-speed USB 2.0 device/host/OTG controller, larger memory options up to 256 KB, and dedicated audio (I2S) and graphics (PMP) peripherals. Key features include a 32-bit MIPS M4K core delivering up to 83 DMIPS at 50 MHz, two I2S/SPI modules for codec and serial communications, Peripheral Pin Select (PPS) for flexible peripheral routing, a Parallel Master Port (PMP) for graphics interfaces, an integrated USB 2.0 full-speed controller with on-chip transceiver, and mTouch capacitive touch support via the Charge Time Measurement Unit (CTMU). A 10-bit 1 Msps ADC with up to 13 channels and multiple 16-bit timers complete the peripheral set. The architecture uses a 5-stage pipeline with hardware multiply/divide and a tightly-coupled 16-entry write buffer for Flash. Typical current consumption is 0.5 mA/MHz active, with sleep modes dropping below 30 µA/MHz for battery-backed designs. A wide operating voltage range of 2.3 V to 3.6 V and an industrial temperature grade of -40 °C to +105 °C (V grade) make this part suitable for consumer, industrial, and automotive-AEC-Q100 qualified designs. Typical applications include USB peripherals (HID, CDC, audio class), audio DAC/amplifier front-ends with I2S, low-cost graphics TFT panels via PMP, capacitive touch user interfaces for home appliances, and small-footprint IoT edge nodes. The 28-SOIC package offers a compact, hand-solderable footprint that simplifies prototyping on DIP-adapter boards. When designing with this device, ensure the 40 MHz maximum operating frequency at the V temperature grade is respected; engineers targeting 50 MHz operation must select the 50I/50V speed grade. The integrated USB transceiver requires a 48 MHz PLL-derived clock, and a 3.3 V regulated rail with adequate decoupling (typically 4.7 µF bulk + 0.1 µF ceramic) is required on VDD. This page synthesizes distributor pricing, same-brand drop-in alternatives, and practical design notes not consolidated in the manufacturer datasheet, providing a one-stop engineering reference.

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PIC32MX270F256B-V/SP

PIC32MX270F256B-V/SP - 256KB Flash MCU 28-SPDIP | Microchip

The Microchip PIC32MX270F256B-V/SP is a 32-bit MIPS M4K microcontroller from the PIC32MX1XX/2XX family, providing 256 KB Flash and 64 KB SRAM in a 28-pin SPDIP (Skinny Plastic DIP) through-hole package. It operates up to 50 MHz delivering 83 DMIPS, with typical active current of 0.5 mA/MHz. The "V" suffix indicates the -40C to +105C industrial/automotive temperature grade. A microcontroller (MCU) is a single-chip computer containing a CPU, memory, and programmable peripherals, used as the brain of embedded systems. The PIC32MX270 series specifically targets cost-sensitive 32-bit applications with USB and audio interfaces, fitting the hierarchy MCU -> 32-bit MCU -> MIPS-based MCU -> PIC32 family -> PIC32MX2xx sub-family. Its MIPS32 M4K core bridges 8-bit PIC and 32-bit MIPS architectures, simplifying migration from legacy PIC16/PIC24 designs. Key differentiating features include two I2S/SPI modules for audio codecs, a Parallel Master Port (PMP) for graphics LCD interfaces, Peripheral Pin Select (PPS) for flexible pin assignment, an integrated USB 2.0 Full-Speed device/host/OTG controller, a Charge Time Measurement Unit (CTMU) for mTouch capacitive touch and 1 ns time measurement, and an on-chip temperature indicator. The 10-bit ADC runs up to 1 Msps with 28 analog inputs. Architecture-wise, the device integrates Harvard-bus flash with prefetch, hardware multiply/divide, single-cycle bit manipulation, and 5-stage pipeline. Five 16-bit timers/captures, five compare/PWM outputs, two I2C, two UART, and a 16-bit parallel PMP give rich peripheral integration. The integrated USB PHY and on-chip transceiver eliminate external components, reducing BOM cost in USB-enabled designs. Typical applications include USB peripherals (HID, CDC, mass storage), audio playback with I2S DACs, low-cost graphics interfaces with PMP-driven TFT displays, capacitive touch human-machine interfaces (HMIs), industrial control with USB diagnostics, and consumer appliances requiring 32-bit performance with PIC ecosystem familiarity. Its 28-SPDIP package suits through-hole prototyping, educational development, and legacy PCB designs. Design consideration: PPS remapping must be configured in software before peripheral use, otherwise peripherals default to legacy pin assignments. For USB applications, the VBUS pin requires 5V tolerance handling per the datasheet. Place a 100 nF decoupling capacitor on each VDD pin and a bulk capacitor near the MCU power pins. This page synthesizes distributor pricing, SPDIP pinout, and drop-in alternatives within the PIC32MX family that share the 28-pin SPDIP footprint, not found in the manufacturer datasheet alone.

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Produits (32734)

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PIC32MX250F256L-I/PF - 32-bit MCU 256KB Flash 50MHz 100-TQFP | Microchip

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PIC32MX250F256LT-I/PT - 32-bit MCU, 256KB Flash, USB | Microchip

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PIC32MX254F128BT-V/SO - 32-bit MCU 128KB Flash USB 28-SOIC | Microchip

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PIC32MX254F128D-I/PT - 72MHz 128KB Flash 32-bit MCU | Microchip

PIC32MX254F128D-V/ML - 32-bit 72MHz 128KB Flash MCU | Microchip

PIC32MX254F128D-V/PT - 32-bit MCU 128KB Flash USB | Microchip

PIC32MX254F128DT-I/ML - 72MHz 128KB Flash 32-bit MCU | Microchip

PIC32MX254F128DT-V/PT - 32-bit MCU, 128KB Flash, USB | Microchip

PIC32MX270F256B-50I/SO - 50MHz 32-bit MCU 256KB Flash | Microchip

PIC32MX270F256B-I/SO - 32-bit MCU, 256KB Flash, USB, 28-SOIC | Microchip

PIC32MX270F256B-I/SS - 32-bit 40MHz MCU, 256KB Flash | Microchip

PIC32MX270F256B-V/ML - 32-bit MCU 256KB Flash 40MHz | Microchip

PIC32MX270F256B-V/SO - 32-bit MCU 256KB Flash 40MHz USB | Microchip

PIC32MX270F256B-V/SP - 256KB Flash MCU 28-SPDIP | Microchip