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PIC32MX250F128D-50I/TL - 50MHz 32-bit MCU 128KB Flash USB | Microchip
PIC32MX250F128D-50I/TL

PIC32MX250F128D-50I/TL - 50MHz 32-bit MCU 128KB Flash USB | Microchip

The Microchip Technology PIC32MX250F128D-50I/TL is a 50 MHz / 83 DMIPS 32-bit RISC microcontroller built on the MIPS32 M4K core with 128 KB of Flash and 32 KB of SRAM, packaged in a 44-pin VTLA (6x6 mm) with an exposed thermal pad. It operates from 2.3 V to 3.6 V and supports the -40C to +85C industrial temperature range. The part integrates USB 2.0 full-speed device/host/OTG, two I2S/SPI modules, Peripheral Pin Select (PPS), a Parallel Master Port (PMP) for graphics, mTouch capacitive touch support, and a 13-channel 10-bit ADC. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, data memory, and peripherals. The 32-bit MCU class extends 8/16-bit architectures with wider datapaths (32-bit registers/ALU), higher MHz/DMIPS throughput, and richer peripherals (USB, Ethernet, CAN, PMP). The PIC32MX1XX/2XX family targets cost-sensitive embedded applications that need 32-bit performance with PIC peripheral familiarity. Key features include 0.5 mA/MHz typical active current, MIPS16e code compression for up to 40% smaller code, single-cycle 32x16 and two-cycle 32x32 multiply-accumulate (MAC), and 1 ns input-capture resolution for high-resolution time measurement. Five 16-bit timers/counters, two I2C and two UART modules, a real-time clock, and an integrated temperature sensor round out the analog and digital peripheral set. Architecturally, the PIC32MX250F128D uses the Harvard-style MIPS32 M4K core with separate Flash and SRAM buses, dual-banked prefetch to mask Flash latency, and PPS remappable peripherals that let designers assign digital functions to almost any I/O - a significant PCB-layout advantage over fixed-pin MCUs. Typical applications include USB audio devices, low-cost graphics terminals with PMP, capacitive touch user interfaces, and general-purpose 32-bit embedded control. Industrial sensor hubs, USB HID peripherals, and small HMI panels all fit the device's peripheral mix and Flash/SRAM budget. When designing with the VTLA (TL) package, expose the bottom thermal pad and stitch vias to the ground plane to dissipate switching power from the USB transceiver. The PIC32MX2XX is pin-compatible with PIC32MX1XX variants; choose higher-density parts when more Flash/RAM is required without PCB rework. This page synthesizes distributor pricing, drop-in pin-compatible alternatives in the same VTLA-44 footprint, and engineering design notes not found in the manufacturer datasheet alone.

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PIC32MX250F128D-I/PT - 32-bit MCU 128KB Flash USB TQFP-44 | Microchip
PIC32MX250F128D-I/PT

PIC32MX250F128D-I/PT - 32-bit MCU 128KB Flash USB TQFP-44 | Microchip

The Microchip Technology PIC32MX250F128D-I/PT is a 32-bit RISC microcontroller built on the MIPS32 M4K core, delivering up to 50 MHz / 83 DMIPS of compute performance while drawing less than 0.5 mA/MHz. The device integrates 128 KB of Flash program memory and 32 KB of SRAM in a 44-pin TQFP (10x10 mm) package with 0.80 mm pitch, making it a balanced mid-range solution for connected embedded designs that demand USB connectivity, audio interfaces, and graphics support on a single chip. A 32-bit microcontroller (MCU) is a microprocessor core combined with on-chip memory, peripherals, and I/O that executes firmware stored in non-volatile Flash. Within the broader taxonomy, an MCU belongs to the semiconductor -> integrated circuit -> microcontroller -> 32-bit microcontroller family. The PIC32MX250F128D sits inside Microchip's PIC32MX1XX/2XX series and is designed for applications that exceed 8-bit PIC16/PIC18 capability without the cost of the higher-tier PIC32MZ family. Key features include two I2S/SPI modules for codec and serial peripherals, a USB 2.0 full-speed device/host/OTG controller, a Parallel Master Port (PMP) for graphics or external memory interfaces, Peripheral Pin Select (PPS) for flexible signal routing, and mTouch capacitive touch sensing support. The ADC offers up to 13 channels with 10-bit resolution, and five 16-bit general-purpose timers plus a 1 ns resolution Input Capture module support high-precision time measurement. The supply voltage range is 2.3 V to 3.6 V with an industrial operating temperature range of -40 C to +85 C. Architecturally, the PIC32MX250F128D uses a Harvard-style M4K core with separate instruction and data buses, a hardware multiply/divide unit, and tightly-coupled prefetch cache that keeps execution deterministic for real-time control loops. The on-chip USB 2.0 full-speed transceiver with internal pull-ups removes the need for an external PHY, simplifying BOM cost on HID, CDC, and audio-class designs. PPS remapping eliminates the fixed pin-function constraints seen on legacy PIC18 devices, allowing designers to optimize PCB routing for signal integrity. Typical applications include USB HID peripherals, audio streaming devices using the I2S modules, low-cost graphical user interfaces via the PMP, capacitive touch user panels, and industrial sensor hubs. According to the Microchip datasheet, the part's combination of USB OTG and PMP makes it well suited for portable data loggers and consumer audio accessories. Design consideration: place a 100 nF decoupling capacitor within 3 mm of every VDD/VDDUSB pin pair and route the USB DP/DM lines as a 90 ohm differential pair to preserve USB 2.0 full-speed signal integrity. PPS must be locked before any peripheral driver enables I/O, otherwise pin mapping silently defaults and digital reads return incorrect logic levels. This page synthesizes distributor pricing, drop-in PIC32MX alternatives, and practical design notes that are not collected in the manufacturer datasheet, providing a faster engineering decision path.

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PIC32MX250F128D-V/PT - 32-bit MCU, 128KB Flash, USB, TQFP-44 | Microchip
PIC32MX250F128D-V/PT

PIC32MX250F128D-V/PT - 32-bit MCU, 128KB Flash, USB, TQFP-44 | Microchip

The Microchip Technology PIC32MX250F128D-V/PT is a 32-bit MIPS M4K microcontroller running at 40 MHz, integrating 128 KB of Flash and 32 KB of SRAM, with USB 2.0 full-speed device/host/OTG, two I2S/SPI modules for codec and serial audio, a Parallel Master Port (PMP) for graphics interfaces, and Peripheral Pin Select (PPS) for flexible pin mapping, all housed in a 44-pin TQFP (10x10 mm) package with 34 general-purpose I/O lines. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), volatile working memory (SRAM), and a rich set of programmable peripherals onto a single die. The PIC32MX2xx family sits in Microchip's PIC32 hierarchy (PIC32 -> 32-bit MIPS MCU -> PIC32MX1XX/2XX sub-family), targeting low-power USB-enabled connected embedded designs at 0.5 mA/MHz running current and supporting mTouch capacitive touch sensing with 1 ns Input Capture time-stamp resolution. Key features include a MIPS32 M4K core delivering up to 83 DMIPS, a 10-bit ADC with up to 1 Msps, five 16-bit and two 32-bit timers, RTCC with calendar mode, an integrated temperature sensor, and supply voltage range of 2.3 V to 3.6 V. The PIC32MX250F128D-V/PT also includes mTouch capacitive touch hardware support, JTAG boundary scan, and a Parallel Master Port that enables direct connection to graphics LCDs and external memory buses. The architecture combines the MIPS M4K Harvard pipeline with Microchip's peripheral integration philosophy, giving developers deterministic interrupt latency, hardware PMP for bus-mastered graphics, and a programmable Peripheral Pin Select block that allows most digital peripherals to be remapped onto almost any digital I/O pin. USB 2.0 full-speed OTG is provided on-chip, eliminating the need for an external PHY in many low-speed USB designs and shortening USB-certified firmware development cycles. Typical applications include USB audio class devices, mTouch capacitive touch user interfaces with on-screen graphics, low-cost embedded web servers, industrial control panels, and consumer electronics with LCD displays and USB connectivity. The wide operating temperature range and integrated analog make it well-suited for mixed-signal embedded products in industrial environments. When designing with this device, allocate sufficient PCB area for the USB DP/DM trace impedance (90 ohm differential) and place the decoupling capacitors as close to the VDDCORE pin as possible. Ensure the firmware enables the proper PLL configuration for 40 MHz operation, and consider using the MPLAB Harmony framework to shorten audio and USB stack integration time. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes that are not aggregated on the Microchip datasheet alone, helping procurement engineers shorten the qualification cycle.

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PIC32MX250F128D-V/TL - 32-bit MCU 128KB Flash USB OTG | Microchip
PIC32MX250F128D-V/TL

PIC32MX250F128D-V/TL - 32-bit MCU 128KB Flash USB OTG | Microchip

The Microchip Technology PIC32MX250F128D-V/TL is a 32-bit MIPS32 M4K microcontroller with 128 KB Flash and 32 KB SRAM, running at up to 40 MHz core / 50 MHz max, in a 44-pin VTLA exposed-pad surface-mount package. It integrates USB 2.0 full-speed device/host/OTG, two I2S/SPI modules, a Parallel Master Port (PMP) for graphics, Peripheral Pin Select (PPS), mTouch capacitive touch support, a 1 ns resolution input capture, and an on-chip temperature sensor. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (SRAM), and peripheral interfaces. The PIC32MX1XX/2XX family sits within the broader MIPS32 architecture hierarchy and is designed for cost-sensitive embedded applications that still require USB connectivity and graphics peripherals. Within Microchip's portfolio this part bridges 8-bit PIC16/PIC18 designs and higher-end Cortex-M alternatives, offering the PIC toolchain (MPLAB X, XC32) and a mature DSP/USB library stack. Key specifications include 83 DMIPS core performance (1.56 DMIPS/MHz), 0.5 mA/MHz typical active current, 2.3 V to 3.6 V supply, ten 16-bit timers plus two 32-bit timers, a 10-channel 10-bit ADC at 1 Msps, and an AEC-Q100 automotive grade rating. The 44-pin VTLA package has 34 general-purpose I/O pins and measures 8 x 8 mm with a 0.65 mm pitch and 0.90 mm profile, including an exposed thermal pad that must be soldered to the ground plane for proper thermal dissipation. The MIPS32 M4K core uses a 5-stage pipeline and supports MIPS16e compressed instructions to reduce code size by up to 40%. Programmable PPS remaps most digital peripheral inputs/outputs to a wide range of physical pins, simplifying PCB routing and allowing late-stage BOM changes without board respins. The USB 2.0 full-speed OTG controller handles Host, Device, and On-The-Go roles in firmware, and the PMP bus drives external graphical LCDs. Typical applications include USB HID peripherals (HID keyboards, mice, custom interfaces), embedded audio streamers via I2S, low-cost graphical HMI panels with PMP-driven LCDs, capacitive touch control surfaces using mTouch, and AEC-Q100 automotive body and infotainment sub-modules. Designers building on this part should pay attention to the 5 V tolerance of I/O pins, the need for a 24 MHz primary oscillator to derive USB clocks, and the exposed pad requirement for thermal management.

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PIC32MX250F128DT-50I/TL - 50MHz 32-bit MCU 128KB Flash USB | Microchip
PIC32MX250F128DT-50I/TL

PIC32MX250F128DT-50I/TL - 50MHz 32-bit MCU 128KB Flash USB | Microchip

The Microchip Technology PIC32MX250F128DT-50I/TL is a 32-bit MIPS M4K RISC microcontroller running at 50 MHz delivering 83 DMIPS, integrating 128 KB of Flash and 32 KB of SRAM in a 44-pin VTLA (6x6 mm) surface-mount package. The part features USB 2.0 full-speed device/host/OTG, two I2S/SPI modules, a Parallel Master Port (PMP) for graphics, Peripheral Pin Select (PPS), and a 10-bit 1 Msps ADC with up to 28 channels. Core peripherals include 5 timers, two I2C, two UART, and an RTCC; mTouch capacitive touch and 1 ns resolution timer support are also integrated. A 32-bit microcontroller is a single-chip processor with a 32-bit data path, on-chip Flash program memory, SRAM, and a rich peripheral set. PIC32MX parts sit in the broader taxonomy of 32-bit MCU -> embedded processor -> microcontroller -> semiconductor IC. Unlike 8-bit/16-bit MCUs, the PIC32MX M4K core supports single-cycle multiplication and Harvard architecture, enabling deterministic interrupt latency for real-time control. Key features include five 16-bit timers/counters, a 16-channel 10-bit ADC capable of 1 Msps conversion, CTMU for capacitance measurement, an analog comparator, and a charge-time measurement unit for mTouch. The USB 2.0 full-speed On-The-Go controller adds tethered/hostless connectivity, while two I2S/SSI peripherals support audio CODECs and serial DACs. PMA graphics interfacing through PMP enables direct connection to QVGA displays without external RAMDACs. The PIC32MX250F128D is built on a 0.18 µm flash process with the MIPS32 M4K core delivering 1.56 DMIPS/MHz at 50 MHz. Hardware-level PPS remapping of digital peripherals to nearly any I/O pin simplifies PCB routing. Five 16-bit timers support input capture, output compare, and quadrature encoding. The integrated 10-bit ADC supports up to 28 analog inputs and 1 Msps sampling. USB OTG, two I2S, two I2C, two UART/USART peripherals, and an SPI interface provide flexible connectivity. Typical applications include USB peripherals, audio interfaces, low-cost graphics HMI, mTouch capacitive touch sensing, and industrial control. The USB OTG and PMP graphics interface make it well-suited for embedded hosts, while the CTMU supports capacitive buttons and sliders in human-machine interfaces. When designing with this part, note that the 44-pin VTLA package shares its pinout with the PIC32MX250F128D-50I/TL non-T variant. Operating voltage is 2.3V-3.6V; a 3.3V LDO with adequate decoupling is required for noise-sensitive applications. This page combines verified distributor pricing, same-package drop-in alternatives, and practical design notes that are not aggregated in the manufacturer datasheet alone.

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PIC32MX250F128DT-I/TL - 32-bit MCU 128KB Flash USB OTG | Microchip
PIC32MX250F128DT-I/TL

PIC32MX250F128DT-I/TL - 32-bit MCU 128KB Flash USB OTG | Microchip

The Microchip Technology PIC32MX250F128DT-I/TL is a 32-bit MIPS32 M4K RISC microcontroller running at 40 MHz with 128 KB Flash and 32 KB SRAM, housed in a 44-pin VTLA (6x6 mm) package with exposed pad. It integrates a USB 2.0-compliant full-speed device/host/OTG controller, two I2S/SPI modules, and a Parallel Master Port (PMP) for graphics interfaces. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (SRAM), and peripherals onto one silicon die. The PIC32MX family belongs to the broader taxonomy of embedded processors: microcontroller -> 32-bit MCU -> MIPS-based MCU -> Microchip PIC32MX series. These devices target applications requiring deterministic real-time control combined with rich connectivity, sitting between 8-bit PIC16/PIC18 MCUs and the higher-performance ARM Cortex-M based SAM family. Key features include Peripheral Pin Select (PPS) for flexible peripheral-to-pin mapping, five 16-bit timers/capture/compare, a 10-bit 1 Msps ADC with up to 13 input channels, mTouch capacitive touch sensing, and on-chip temperature measurement. The device supports 2.3V to 3.6V single-supply operation with 0.5 mA/MHz active current consumption, and provides JTAG and 2-wire ICD debugging interfaces. The architecture uses a 5-stage pipeline MIPS32 M4K core with hardware multiply/divide, achieving 1.56 DMIPS/MHz (83 DMIPS at 50 MHz). The 32 KB SRAM is partitioned for instruction and data, and the 128 KB Flash supports self-programming under firmware control for in-field updates. Typical applications include USB audio class devices, USB HID peripherals, embedded graphics with PMP-driven TFT displays, capacitive touch user interfaces, and low-power sensor hubs. The combination of USB OTG, audio I2S, and PMP makes this MCU a strong fit for multimedia and human-machine interface designs. When designing with this part, pay close attention to VTLA PCB land pattern requirements and thermal pad soldering. The USB peripheral requires precise 48 MHz clocking from the on-chip PLL, and the JTAG pins are multiplexed on I/O ports, so debugger sharing must be planned at the board level. This page synthesizes distributor pricing, parametric drop-in alternatives from the same PIC32MX2XX family, and practical design considerations not found in the standalone datasheet.

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PIC32MX250F128DT-V/ML - 40MHz 32-bit MCU, USB, 128KB Flash | Microchip
PIC32MX250F128DT-V/ML

PIC32MX250F128DT-V/ML - 40MHz 32-bit MCU, USB, 128KB Flash | Microchip

The Microchip Technology PIC32MX250F128DT-V/ML is an AEC-Q100-qualified 32-bit MIPS32 M4K microcontroller running at 40 MHz (50 MHz/83 DMIPS capable) with 128 KB Flash and 32 KB SRAM, housed in a 44-pin QFN (8x8 mm) exposed-pad package. It integrates a USB 2.0 full-speed device/host/OTG controller, two I2S/SPI modules, a Parallel Master Port (PMP) for graphics, and Peripheral Pin Select (PPS) for flexible pin mapping, making it a single-chip solution for embedded designs that need both connectivity and a small footprint. A 32-bit microcontroller (MCU) is a programmable system-on-chip that integrates a CPU core, program Flash, data SRAM, and a rich peripheral set in one device. PIC32MX parts are Microchip's MIPS32-based 32-bit MCU family that bridges 8/16-bit PIC legacy code to modern ARM-class 32-bit workloads, occupying the power-management IC / microcontroller tier within the semiconductor hierarchy. Within that hierarchy, the PIC32MX250 sub-family is the entry-level 32MX USB-enabled variant targeting cost-sensitive embedded graphics, HMI, and audio designs. Key features include 34 usable I/O lines, supply voltage 2.3 V to 3.6 V, 1 ns high-resolution timer capture, on-chip temperature sensor, mTouch capacitive-touch hardware, five 16-bit general-purpose timers, a 10-bit 1 Msps ADC (up to 13 channels), and CTMU/ICSP trace support. The -V suffix denotes the -40 C to +105 C automotive/industrial operating range and the T suffix denotes tape-and-reel packaging. Architecturally, the device uses a single-core MIPS32 M4K RISC pipeline with hardware multiply/divide and a tightly-coupled prefetch module; combined with the PMP and USB-OTG, it enables direct driving of graphical LCDs and USB peripherals without external bus bridges. Compared with 8-bit PIC16/PIC18 parts, the PIC32MX250 executes instructions ~10x faster and offers substantially more deterministic interrupt response thanks to a hardware shadow register set. Typical applications include automotive infotainment and HVAC human-machine interfaces, USB HID peripherals (keyboards, mice, custom input devices), portable medical measurement instruments, industrial control panels with capacitive touch, graphics terminal modules, and low-cost audio docking stations with I2S codec connectivity. A key design tip is to follow Microchip's "Minimum USB Connection Requirements" (one VBUS sense resistor, ESD protection on D+/D-, and 47 nF decoupling on VUSB) to pass USB compliance on the first revision, and to allocate the exposed thermal pad as a single solid copper pour with 9 thermal vias to dissipate the ~140 mW typical operating power. This page synthesizes Microchip datasheet specifications, AEC-Q100 automotive qualification, current distributor pricing, drop-in alternatives from the PIC32MX1XX/2XX family, and practical design notes not found in a single source.

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PIC32MX250F128DT-V/TL - 32-bit MCU 128KB Flash USB | Microchip
PIC32MX250F128DT-V/TL

PIC32MX250F128DT-V/TL - 32-bit MCU 128KB Flash USB | Microchip

The Microchip Technology PIC32MX250F128DT-V/TL is a 32-bit RISC microcontroller based on the MIPS32 M4K core, delivering 40 MHz / 50 MHz DMIPS performance with 128 KB Flash and 32 KB SRAM in a 44-pin VTLA surface-mount package. It integrates a USB 2.0 full-speed device/host/OTG controller, two I2S/SPI modules for audio codec connectivity, a Parallel Master Port (PMP) for graphics interfaces, and Peripheral Pin Select (PPS) for flexible signal routing. A 32-bit microcontroller (MCU) is a microprocessor that integrates a CPU core, program memory, data RAM, and peripheral controllers onto a single silicon die. The PIC32 family belongs to the broader category of embedded microcontrollers, which sit within the hierarchy MCU -> microprocessor -> semiconductor -> integrated circuit. The PIC32MX250F128D variant specifically targets applications requiring USB connectivity, audio interfaces, and graphics support. Key features of this device include 0.5 mA/MHz active current consumption for power-efficient operation, mTouch capacitive touch sensing support, on-chip temperature measurement, and a 1 ns high-resolution timer/capture input. The VTLA-44 (Very Thin Leadless Array) package measures 8 x 8 mm with 0.65 mm pitch and an exposed thermal pad, optimized for compact USB-enabled embedded designs. The PIC32MX250F128DT-V/TL operates from a 2.3V to 3.6V supply and includes five 16-bit general-purpose timers, a 10-bit ADC, comparators, and an automotive-grade temperature range (-40C to +105C or higher per the V-suffix). The combination of USB OTG, audio interfaces, and graphics PMP makes it well suited to consumer, industrial, and automotive human-machine interface (HMI) applications. Typical applications include USB audio peripherals, graphic display controllers, capacitive touch user interfaces, and embedded HMI panels. The wide peripheral set also supports industrial control, point-of-sale terminals, and medical device front panels. When designing with this device, allocate the exposed thermal pad on the PCB with adequate via stitching for thermal dissipation. Use 0.1 uF decoupling capacitors as close to each supply pin as possible, and follow the recommended USB impedance-matching network per the datasheet for reliable USB 2.0 full-speed signaling. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, including a curated alternatives list sourced from Microchip PIC32MX same-family variants.

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PIC32MX250F256H-50I/MR - 50MHz 32-bit MCU 256KB Flash 64-QFN
PIC32MX250F256H-50I/MR

PIC32MX250F256H-50I/MR - 50MHz 32-bit MCU 256KB Flash 64-QFN

The Microchip Technology PIC32MX250F256H-50I/MR is a 32-bit MIPS microcontroller in the PIC32MX2xx family, featuring a MIPS32 M4K core running at 50 MHz (83 DMIPS) with 256 KB of Flash and 32 KB of SRAM, packaged in a 64-pin QFN with exposed pad (9x9 mm). A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (SRAM), and a rich set of peripherals. The PIC32MX family sits in the hierarchy: 32-bit MCU -> MIPS32 M4K architecture -> Microchip PIC32 family -> embedded controller -> semiconductor IC. It targets applications that need more horsepower than 8-bit/16-bit MCUs but where ARM Cortex-M parts are not required. Key features include up to 50 MHz/83 DMIPS core performance, 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 device operates from 2.3 V to 3.6 V and supports an industrial temperature range of -40 °C to +85 °C, with 10-bit ADC capability and advanced analog peripherals. The architecture uses a single-cycle multiply and hardware divider with a 5-stage pipeline, delivering deterministic interrupt response and predictable execution. PPS remapping allows peripheral functions to be assigned to nearly any I/O pin, simplifying PCB routing in space-constrained HMI, audio, and connectivity designs. USB, CAN, and 10-bit ADC peripherals are also available on the device. Typical applications include consumer audio with I2S codec interfaces, HMI/touch panels using PMP-driven displays, USB peripherals, industrial control, and embedded connectivity. The combination of Flash, SRAM, and peripherals makes the PIC32MX250F256H-50I/MR a mainstream PIC32 option for graphics plus audio designs. When designing with this device, ensure the PCB layout provides a solid thermal/ground pad connection under the exposed pad (EP) of the QFN package, place 0.1 µF + 10 µF decoupling close to each supply pin, and use the PPS function remap to optimize GPIO allocation. Confirm regulator sizing for active and idle modes. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet alone, giving procurement and design engineers a single decision-ready reference.

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PIC32MX250F256H-50I/PT - 50MHz 32-bit MCU 256KB Flash | Microchip
PIC32MX250F256H-50I/PT

PIC32MX250F256H-50I/PT - 50MHz 32-bit MCU 256KB Flash | Microchip

The Microchip Technology PIC32MX250F256H-50I/PT is a 32-bit MIPS32 M4K microcontroller running up to 50 MHz (83 DMIPS) with 256 KB Flash and 32 KB SRAM in a 64-pin TQFP package (10x10 mm). It belongs to the PIC32MX1XX/2XX/5XX 64/100-pin family and combines high performance, integrated peripherals, and the MPLAB Harmony ecosystem for embedded applications. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (SRAM), and programmable peripherals into one package. Within the embedded hierarchy, MCUs sit between simple logic ICs and full microprocessors, enabling self-contained control for sensor nodes, user interfaces, and motor or display subsystems. The PIC32MX family occupies the upper end of Microchip's 32-bit MCU lineup, providing MIPS performance with PIC ecosystem familiarity. Key features include 50 MHz core clock, 83 DMIPS, 256 KB Flash, 32 KB SRAM, USB 2.0 full-speed On-The-Go (OTG), two I2S and four SPI modules, two I2C, five UART, 16-channel 10-bit ADC at 1 Msps, five 16-bit timers, a Parallel Master Port (PMP), and Peripheral Pin Select (PPS) for flexible pin mapping. The part operates from 2.3V to 3.6V across -40C to +85C industrial temperature range. The M4K core uses a 5-stage pipeline with single-cycle multiply and hardware divide. PPS remaps digital peripherals to most I/O pins, simplifying PCB layout. The PMP module supports graphics interfaces with dual read/write buffers, while the USB OTG controller enables device, host, and dual-role operation without an external PHY. Typical applications include industrial control panels, USB peripherals (HID, CDC, mass storage), audio processing with I2S codecs, and small color TFT displays driven through PMP. The combination of USB, I2S, SPI, and graphics makes the PIC32MX250F256H-50I/PT well suited to connected HMI nodes. When designing with this part, ensure 3.3V rail decoupling per Microchip recommendations and consult the family reference manual for PPS configuration. The 50 MHz speed grade and 256 KB Flash support real-time USB stacks plus application firmware with room to spare. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that complement the manufacturer datasheet and family reference manual.

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PIC32MX250F256H-I/MR - 256KB Flash 32-bit MCU 64-QFN | Microchip
PIC32MX250F256H-I/MR

PIC32MX250F256H-I/MR - 256KB Flash 32-bit MCU 64-QFN | Microchip

The Microchip PIC32MX250F256H-I/MR is a 32-bit MIPS microcontroller based on the MIPS32 M4K core, delivering up to 50 MHz / 83 DMIPS of computational performance. It integrates 256 KB of Flash program memory and 32 KB of SRAM in a 64-pin QFN (MR) 9x9 mm package with an industrial operating temperature range of -40C to +85C. The device operates from a 2.5V or 3.3V supply rail and provides a rich peripheral set aimed at human-machine interface (HMI), audio processing, and graphics applications. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, data RAM, and a programmable peripheral set. The PIC32MX2xx family sits within Microchip's broader PIC32 product hierarchy, positioned between the entry-level PIC32MX1xx and higher-performance PIC32MX5xx/7xx families. Designed around a five-stage pipeline MIPS core, the PIC32 architecture combines deterministic real-time behavior with the rich ecosystem of the MIPS instruction set, making it well-suited to embedded systems that require both DSP-grade numeric throughput and conventional microcontroller simplicity. Key features of the PIC32MX250F256H include two I2S audio interfaces, four SPI modules for codec and serial communications, Peripheral Pin Select (PPS) functionality that allows flexible function-to-pin mapping, and a Parallel Master Port (PMP) with dual read/write buffers for graphics interfaces. The device also integrates a 10-bit 1 Msps analog-to-digital converter (ADC), a charge time measurement unit (CTMU) for capacitive touch sensing, multiple UART, I2C, and a JTAG programming/debug port. On-board capacitive touch support makes the device well-suited to button, slider, and wheel touch interfaces. The 64-QFN package with exposed pad (EP) enables efficient thermal dissipation in compact board layouts. Typical applications for the PIC32MX250F256H include HMI touch panels, audio playback and recording systems, graphics-driven control panels, USB device peripherals, CAN-connected industrial nodes, and general-purpose embedded controllers that need higher MIPS than 8-bit/16-bit MCUs can deliver. The integrated CTMU simplifies capacitive touch key and slider designs, while the parallel master port allows direct interface to graphics TFTs and SRAM/Flash buffers. When designing with this MCU, plan the peripheral pin select (PPS) mapping early in the schematic, since not all pin assignments are interchangeable. Provide a bulk 1uF ceramic plus 0.1uF bypass capacitor pair adjacent to every VDD/AVDD pin, and tie the exposed thermal pad of the QFN package to a clean ground copper pour to minimize thermal resistance. Programming is performed through the standard 4-wire JTAG or the 2-wire ICSP interface, supported by MPLAB X IDE and the MPLAB XC32 compiler. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that complement the manufacturer datasheet and help engineers accelerate both design selection and procurement decisions for the PIC32MX250F256H-I/MR.

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PIC32MX250F256HT-I/MR - 32-bit MCU 256KB Flash USB | Microchip
PIC32MX250F256HT-I/MR

PIC32MX250F256HT-I/MR - 32-bit MCU 256KB Flash USB | Microchip

The Microchip PIC32MX250F256HT-I/MR is a 32-bit MIPS M4K microcontroller with 256 KB Flash, 32 KB SRAM, integrated USB 2.0 Full-Speed, and a maximum CPU clock of 50 MHz (83 DMIPS), housed in a 64-pin QFN (9x9 mm) package. The part operates from 2.3 V to 3.6 V across an industrial temperature range of -40 °C to +85 °C and is qualified for commercial/industrial USB-enabled embedded designs. A 32-bit microcontroller (MCU) is a programmable processor integrating CPU core, Flash program memory, SRAM data memory, and peripherals on a single silicon die. The PIC32MX family uses the MIPS32 M4K architecture, which sits in the 32-bit MCU taxonomy between 8/16-bit legacy MCUs and higher-end Cortex-M parts. It targets cost-sensitive applications that need deterministic real-time response plus more headroom than 8-bit parts allow. Key features include 256 KB self-programmable Flash, 32 KB SRAM, 16-channel 10-bit ADC at up to 1 Msps, two I2S and four SPI modules for codec and serial communications, peripheral pin select (PPS), parallel master port (PMP) for graphics interfaces, USB 2.0 Full-Speed device/host/OTG, three analog comparators, RTCC, and CTMU for capacitive touch sensing. The 64-pin QFN package exposes a generous number of remappable I/O and supports both 3.3 V single-supply and dual-rail analog/digital operation. Technically, the PIC32MX250 executes most instructions in a single cycle and integrates dedicated DMA, a hardware math accelerator for integer DSP, and a flexible clock tree with 8 MHz internal RC plus PLL to reach 50 MHz. PPS allows remapping of digital peripherals to most I/O pins, which simplifies PCB layout. The CTMU provides sub-nanoamp charge-time measurement for capacitive touch, while the PMP module interfaces directly to graphics controllers and parallel memories. Typical applications include USB peripherals (HID, CDC, audio, mass storage), audio interfaces (I2S codecs), embedded graphics with PMP, capacitive touch human-machine interfaces (HMIs) using CTMU, and industrial control/IoT nodes that need USB connectivity without stepping up to a Cortex-M4 part. Industrial customers pick it for predictable MIPS per cent and for mature MPLAB XC32 toolchain integration. Design tip: provide a solid 3.3 V decoupling network (1 µF + 0.1 µF near VDD) and keep USB DP/DM traces 90 ohm differential matched with a common-mode choke to pass USB compliance. The Vbus/Vusb pin must see a clean 5 V tolerant supply or be tied off via internal regulator configuration per the datasheet. This page synthesizes distributor pricing, drop-in alternatives drawn from the PIC32MX1XX/2XX family, and practical design notes not found in the manufacturer datasheet alone.

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PIC32MX250F256HT-I/PT - 32-bit MCU, 256KB Flash, 64-TQFP | Microchip
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 - 32-bit MCU, 256KB Flash, 50MHz, USB | Microchip
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 - 50MHz 256KB Flash 32-bit MCU | Microchip
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 - 32-bit MCU 256KB Flash 50MHz 100-TQFP | Microchip
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 - 32-bit 256KB Flash MCU 100-pin | Microchip
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 - 50MHz 32-bit MCU, 256KB Flash | Microchip
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 - 32-bit MCU 256KB Flash 100-TQFP
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 - 32-bit MCU, 256KB Flash, USB | Microchip
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 - 72MHz 128KB Flash 32-bit MCU | Microchip
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 - 32-bit 72MHz MCU, 128KB Flash | Microchip
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 - 72MHz, 128KB Flash, USB MCU | Microchip
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 - 32-bit MCU 128KB Flash USB 28-SOIC | Microchip
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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