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PIC32MX270F256DT-V/TL - 40MHz 32-bit MCU, 256KB Flash | Microchip
PIC32MX270F256DT-V/TL

PIC32MX270F256DT-V/TL - 40MHz 32-bit MCU, 256KB Flash | Microchip

The Microchip Technology PIC32MX270F256DT-V/TL is a 32-bit MIPS32 M4K microcontroller running up to 40 MHz, integrating 256 KB of Flash program memory and 64 KB of SRAM in a 44-pin VTLA (6x6 mm) exposed-pad package with AEC-Q100 qualification. The part features a USB 2.0 full-speed OTG controller, a 10-bit 1 Msps ADC with up to 28 input channels, two I2S/SPI audio interfaces, and the Peripheral Pin Select (PPS) routing engine that remaps digital peripherals to almost any I/O. A PIC32MX is a 32-bit RISC microcontroller from Microchip's PIC32 family, which sits between 16-bit PIC24/dsPIC and 32-bit ARM Cortex-M parts in the broader microcontroller taxonomy (MCU -> 32-bit MCU -> RISC MCU -> MIPS-based MCU). The MX2 sub-family is optimized for USB connectivity, audio playback, and graphics bridging, making it a popular drop-in upgrade for designers leaving the PIC24F or PIC18F platforms while staying on Microchip's MPLAB X toolchain. The V-temp grade extends the operating range to -40C to +105C for industrial and automotive use. Key features include 0.5 mA/MHz active current, four DMA channels with automatic data-size detection, two UART, two I2C, two SPI/I2S, Parallel Master Port (PMP) for graphics, an on-chip 1 ns resolution timer, mTouch capacitive-touch hardware, and CTMU for time measurement. Hardware crypto is not present; USB is full-speed only (12 Mbps, not high-speed 480 Mbps). The 44-pin VTLA package supports the V-grade temperature range of -40C to +105C and is AEC-Q100 qualified per Microchip's product page. The architecture is a single-core MIPS32 M4K 32-bit RISC core with separate PLLs for the system clock and the 48 MHz USB clock, allowing the CPU and USB to run at independent rates without drift. PPS allows remapping of digital peripheral functions to most I/O pins, simplifying PCB layout and enabling late-stage pinout changes without redesign. A configurable watchdog and on-chip low-power RC oscillator provide system-level reliability when the main crystal fails. Typical applications include USB audio docks, USB HID human-interface devices, low-cost graphics bridges to TFT panels, industrial control with capacitive touch keys, and AEC-Q100 automotive body and HMI modules. The 44-pin VTLA exposed-pad package supports reflow profiles compatible with lead-free assembly and offers improved thermal dissipation for industrial environments. When designing with this part, pay attention to the VTLA exposed-pad PCB layout - the EP must be soldered to a sufficiently large copper pour for thermal relief, otherwise junction temperature can exceed limits at high CPU loads. MPLAB X IDE with XC32 compiler is the supported toolchain; Harmony 3 framework provides ready-made USB stacks. This page synthesizes distributor pricing, same-brand drop-in alternatives (the I-temperature and 50 MHz variants in the same VTLA-44 footprint), and practical design notes not found in the manufacturer datasheet.

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PIC32MX270F512H-50I/MR - 32-bit MCU, 512KB Flash, 64-QFN | Microchip
PIC32MX270F512H-50I/MR

PIC32MX270F512H-50I/MR - 32-bit MCU, 512KB Flash, 64-QFN | Microchip

The Microchip Technology PIC32MX270F512H-50I/MR is a 32-bit MIPS32 M4K PIC microcontroller running up to 50 MHz (83 DMIPS), with 512 KB Flash and 64 KB SRAM, housed in a 64-pin QFN (MR) package. The "-50I" speed/temperature suffix designates 50 MHz operation over the industrial -40C to +85C ambient range. A microcontroller (MCU) is a single-chip computer containing a processor core, program and data memory, and a rich set of on-chip peripherals. The PIC32MX270 family extends Microchip's MIPS-based 32-bit MCU line, sitting between the lower-pin PIC32MX1xx and the larger PIC32MX5xx series. Within the power-management and embedded hierarchy, this part belongs to the 32-bit microcontroller family -> embedded processor -> semiconductor device category, and is commonly used as a system-on-chip replacement for discrete microcontroller + external memory designs. Key features include 512 KB Flash program memory (512K x 8), 64 KB SRAM data memory, a USB 2.0 Full-Speed OTG controller, two I2S and four SPI/I2S modules for audio codec interfacing, Peripheral Pin Select (PPS) for flexible digital routing, a Parallel Master Port (PMP) with dual buffers, multiple UART/I2C/SPI channels, a 10-bit ADC with up to 1 Msps, and a Charge Time Measurement Unit (CTMU) for touch and capacitive sensing. The 64-pin QFN package provides a compact 9x9 mm footprint suitable for space-constrained designs. The PIC32MX3/MX2 family uses the MIPS32 M4K core with hardware multiply/divide, 5-stage pipeline, and tightly-coupled prefetch cache, delivering 1.57 DMIPS/MHz. Integrated peripherals are mapped through a peripheral bus matrix and routed to physical pins via the PPS register-mapped mapper, giving designers flexible pin assignment without package variant swaps. Typical applications include USB audio devices, human-machine interfaces (HMI) with LCD and PMP graphics, industrial control with capacitive touch keypads, IoT edge nodes, motor control peripherals, and embedded host controllers for sensors or storage. The USB OTG controller makes it well suited to device, host, or dual-role USB peripherals such as MIDI controllers and audio interfaces. When designing with this MCU, plan for the PPS remapping carefully because several peripherals share a smaller set of physical pins; the datasheet "Peripheral Pin Select" table is the reference for licensing. For USB applications, an external 48 MHz crystal is required to clock the USB module precisely. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not consolidated in the manufacturer datasheet.

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PIC32MX270F512H-50I/PT - 50MHz 32-bit MCU 512KB Flash | Microchip
PIC32MX270F512H-50I/PT

PIC32MX270F512H-50I/PT - 50MHz 32-bit MCU 512KB Flash | Microchip

The Microchip Technology PIC32MX270F512H-50I/PT is a 32-bit MIPS M4K microcontroller running up to 50 MHz (83 DMIPS) with 512 KB Flash and 64 KB SRAM, housed in a 64-pin TQFP (10x10 mm) package. It integrates a USB 2.0 Full-Speed OTG controller, two I2S and up to four 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. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (Flash), data memory (SRAM), and configurable peripherals. The 32-bit MCU class sits above 8-bit and 16-bit MCUs in arithmetic throughput and addressable memory, making it suitable for USB stacks, graphics buffering, and DSP-like signal processing. PIC32MX parts target general-purpose embedded designs where deterministic real-time performance and low-cost development tools (MPLAB X + Harmony) matter. Key features of this part include a hardware multiplier/divider for fast DSP loops, an 8-bit Parallel Master Port with dual buffers for TFT/QVGA displays, up to five 16-bit timers, two UART modules with IrDA support, two I2C modules, and CTMU (Charge Time Measurement Unit) for capacitive touch and ultrasonic sensing. The PPS remap engine reassigns digital peripheral pins to a wide choice of physical I/O, simplifying PCB routing. Architecturally the device pairs the MIPS M4K core with a 5-stage pipeline, prefetch cache, and single-cycle 32x32 hardware multiply. Its 3.3V core, 2.5V-3.6V operating range, and four power modes (Run, Idle, Sleep, Deep Sleep) let designers trade wake-up latency for quiescent current as low as a few microamps in Deep Sleep. Typical applications include consumer audio/USB accessories, HMI panels with small TFTs, industrial control front-ends with capacitive touch, low-cost graphics terminals, and CAN/USB bridging nodes. The "HMI" silicon revision adds hardware resources targeted at audio codec interfaces and Parallel Master Port graphics. When designing with this MCU, reserve 5 pins for ICSP (PGECx/PGEDx pairs plus MCLR) so that board revisions remain debuggable. Use the PPS remap before committing to a pinout to avoid blocking high-priority peripherals on the same physical pin. This page aggregates distributor pricing, same-package drop-in alternatives across Microchip's PIC32MX230/250/270/530/570/570 family, and practical design notes beyond what the manufacturer datasheet alone provides.

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PIC32MX270F512HT-50I/MR - 50MHz 32-bit MCU 512KB Flash 64-QFN
PIC32MX270F512HT-50I/MR

PIC32MX270F512HT-50I/MR - 50MHz 32-bit MCU 512KB Flash 64-QFN

The Microchip Technology PIC32MX270F512HT-50I/MR is a 32-bit MIPS32 M4K microcontroller running up to 50 MHz (83 DMIPS), integrating 512 KB of Flash program memory and 64 KB of SRAM in a 64-pin QFN (9x9 mm) package. The part suffix -50I/MR indicates 50 MHz operation and the industrial -40C to +85C temperature range in the tape-and-reel MR package. It is a member of the PIC32MX1xx/2xx/5xx 64/100-pin family and shares pin-for-pin compatibility with siblings of the same pin-count variant, which simplifies migration between Flash/RAM densities. A 32-bit microcontroller (MCU) is an embedded processor core that fetches, decodes, and executes 32-bit-wide instructions, providing roughly an order-of-magnitude higher throughput than 8/16-bit MCUs while integrating Flash, SRAM, and a programmable peripheral set on a single die. PIC32MX devices sit in the hierarchy: 32-bit MCU -> MIPS M4K core -> PIC32 family -> Microchip 32-bit microcontroller portfolio -> embedded semiconductor. They compete with Cortex-M3/M4 parts from ST (STM32F1/F4), NXP (LPC176x/LPC15xx), and Renesas RX. Key features of the PIC32MX270F512HT-50I/MR include a USB 2.0 Full-Speed On-The-Go controller, three I2S/SPI modules for codec and serial connectivity, Peripheral Pin Select (PPS) remappable I/O, a Parallel Master Port (PMP) with dual buffers for graphics or external bus interfaces, three analog comparators, a 10-bit ADC, RTCC, CTMU, and multiple timers. The 64-QFN package provides 53 general-purpose I/O lines plus dedicated oscillator, programming, and USB pins. The architecture combines a 5-stage MIPS32 M4K pipeline with single-cycle multiply, hardware divider, and a zero-wait-state Flash prefetch buffer. PPS allows peripheral functions to be mapped to a wide selection of physical pins at runtime, which is invaluable for routing analog and digital signals on dense PCBs. Internal 8 MHz and 32 kHz oscillators plus four PLL modes support a wide range of system clocks without external crystals. Typical applications include USB peripherals and HID devices, audio streaming via I2S, low-cost graphics displays through PMP, industrial control and sensor hubs, and connected IoT appliances. The combination of USB OTG and 512 KB Flash makes it well suited to devices such as data loggers, smart-home gateways, and small-form-factor HMI panels. When designing with this part, review the decoupling scheme - place 0.1uF plus bulk caps on every VDD/AVDD pair - and use PPS extensively to avoid pin-out conflicts. Confirm that USB DP/DM traces are 90-ohm differential and length-matched. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC32MX270F512HT-50I/PT - 50MHz 32-bit MCU, 512KB Flash | Microchip
PIC32MX270F512HT-50I/PT

PIC32MX270F512HT-50I/PT - 50MHz 32-bit MCU, 512KB Flash | Microchip

The Microchip PIC32MX270F512HT-50I/PT is a 32-bit MIPS M4K microcontroller running at 50 MHz delivering 83 DMIPS, integrating 512 KB of Flash and 64 KB of SRAM in a 64-pin TQFP (10x10 mm) package with industrial -40C to +85C temperature range. The 'H' family designation exposes up to 50 GPIO lines, two I2S audio interfaces, four SPI/I2S modules, USB 2.0 full-speed device/host/OTG, a 10-bit 1 MSPS ADC with 28 channels, and the flexible Peripheral Pin Select (PPS) remapping engine. A 32-bit microcontroller (MCU) is an embedded processor that integrates CPU core, program Flash, data SRAM, and a wide range of peripherals on a single silicon die, replacing discrete logic blocks and enabling compact, low-power connected designs. Within the broader embedded hierarchy, a 32-bit MCU sits between 8/16-bit microcontrollers (lower code density, simpler peripherals) and application processors (higher clock, MMU, Linux-capable). The PIC32MX270 specifically belongs to the MIPS M4K core family, which is widely adopted in audio, USB, and graphics interface designs because of its deterministic interrupt latency and DSP-like multiply/divide throughput. Key features include Peripheral Pin Select for flexible peripheral-to-pin mapping, a Parallel Master Port (PMP) with dual read/write buffers aimed at TFT/graphical LCD interfacing, dual I2S modules enabling direct connection to stereo DACs and ADCs, an on-chip full-speed USB 2.0 controller with internal transceiver, and a 10-bit 1 MSPS ADC that supports up to 28 analog input channels. The PPS engine allows remapping of digital peripherals (UART, SPI, I2C, etc.) to most general-purpose I/O pins, simplifying PCB layout. Architecturally, the PIC32MX270 employs a five-stage pipeline MIPS32 M4K core with single-cycle multiplication, hardware multiply-accumulate, and zero-wait-state Flash access via an internal 128-bit wide prefetch buffer, delivering 1.65 DMIPS/MHz. The USB 2.0 full-speed controller with internal PHY eliminates external transceivers, and the PMP module accelerates PFS by 65% over software-driven bit-banging for TFT displays. The 64 KB SRAM is partitioned for general-purpose use with configurable DMA paths to peripherals. Typical applications include USB audio streaming devices (USB speakers, headsets, USB microphones), small graphical HMI with TFT displays driven by PMP, embedded web servers with TCP/IP stacks on USB or UART, industrial control scanners and instrumentation, and low-cost graphics terminals for industrial automation. When designing with the PIC32MX270, plan decoupling around the 2.5V internal regulator: place 10uF + 0.1uF close to VDDCORE/VDD pins, and tie VBUS through a 10kOhm pull-down when used in self-powered USB configurations. This page synthesizes cross-brand distributor pricing, drop-in alternatives, and practical design notes (PPS, PMP, USB bootstrap) not aggregated on the manufacturer datasheet.

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PIC32MX270F512HT-V/MR - 32-bit MCU 512KB Flash USB | Microchip
PIC32MX270F512HT-V/MR

PIC32MX270F512HT-V/MR - 32-bit MCU 512KB Flash USB | Microchip

The Microchip PIC32MX270F512HT-V/MR is a 32-bit MIPS32 M4K microcontroller running up to 50 MHz (83 DMIPS) with 512 KB Flash and 64 KB SRAM, housed in a 64-pin QFN (9x9 mm) package with exposed thermal pad. It integrates a USB 2.0 Full-Speed OTG controller, three I2S/SPI modules, Peripheral Pin Select (PPS), Parallel Master Port (PMP) with dual read/write buffers for graphics, and a 10-bit 1 Msps ADC with up to 48 channels plus CTMU and RTCC. A 32-bit microcontroller (MCU) is an integrated circuit that combines a 32-bit processor core, program memory, data memory, and configurable peripherals on a single die. In the embedded hierarchy, the PIC32MX sits within Microchip's PIC32 family of MIPS-based microcontrollers, which target mid-range applications requiring more performance than 8-bit/16-bit PIC MCUs but with simpler development flow than Cortex-M parts. The PIC32MX1XX/2XX/5XX 64/100-pin family specifically targets Audio/Graphics/Touch HMI, USB, CAN, and Advanced Analog applications. Key features of the PIC32MX270F512HT-V/MR include up to 50 MHz operation (40 MHz for the -V speed grade), 512 KB Flash and 64 KB SRAM, USB 2.0 Full-Speed On-The-Go with integrated transceiver, three I2S/SPI modules, four SPI (two I2S + four SPI total mentioned in family doc), Peripheral Pin Select for flexible peripheral routing, and an Analog block with 10-bit ADC, CTMU for capacitive touch, and comparators. The 'V' speed grade operates from -40C to +105C and the 'T' suffix indicates Tape and Reel. Typical applications include USB peripherals, audio/HMI front panels with graphics, capacitive-touch interfaces, industrial control, and CAN-connected nodes. The QFN-64 9x9 mm footprint enables compact designs with good thermal dissipation through the exposed pad. The integrated USB OTG controller eliminates external PHY requirements for device and host modes. When designing with this MCU, ensure proper decoupling (100 nF + bulk caps near each VDD pin), connect the exposed pad to a solid ground plane for thermal/electrical performance, and follow Microchip's PIC32 family reference manual for clock, JTAG, and PPS configuration. Programming is supported via MPLAB X IDE and XC32 compiler. This page synthesizes distributor pricing, same-brand and cross-brand drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC32MX270F512L-50I/PF - 50MHz 32-bit MCU 512KB Flash | Microchip
PIC32MX270F512L-50I/PF

PIC32MX270F512L-50I/PF - 50MHz 32-bit MCU 512KB Flash | Microchip

The Microchip Technology PIC32MX270F512L-50I/PF is a 32-bit microcontroller based on the MIPS32 M4K core, delivering up to 50 MHz / 83 DMIPS performance with 512 KB of Flash program memory and 64 KB of SRAM, housed in a 100-pin TQFP (14x14 mm) package. Operating from 2.3 V to 3.6 V over the industrial -40C to +85C temperature range, it integrates a Full-Speed USB 2.0-compliant OTG controller, two I2S plus four SPI modules for codec and serial communications, a Parallel Master Port (PMP) for graphics, and Microchip's Peripheral Pin Select (PPS) for flexible pin function remapping. A 32-bit microcontroller (MCU) is an embedded processor that executes instructions on 32-bit-wide data paths, balancing high computational throughput with deterministic real-time control. Within the broader taxonomy of integrated circuits, PIC32 MCUs sit above 8-bit/16-bit MCUs (PIC10/12/16/18) and below 32-bit application processors (e.g., Cortex-A class SoCs), enabling audio processing, USB stacks, and graphical user interfaces that exceed what 8-bit cores can deliver while retaining deterministic interrupt response. This device ships 81 programmable I/O lines and offers 10-bit ADC, multiple timers, and a CIP (Core Independent Peripherals) suite for offloading tasks from the CPU. Key differentiating specifications include 50 MHz core clock, 83 DMIPS, hardware multiply/divide, 16-bit wide instruction words, 5-stage pipeline, trace-friendly debug, and a USB OTG engine that simplifies peripheral design. The combination of PMP and I2S enables direct drive of TFT displays and audio codecs without external logic. PPS allows remapping of digital peripheral I/O to most pins, simplifying PCB layout and reducing the bill of materials. The architecture uses a load/store MIPS32 M4K core with separate 32-bit Flash and SRAM buses, allowing concurrent instruction fetch and dual-port SRAM access for USB plus LCD buffer use. The internal 8 MHz Fast RC oscillator can be PLL-multiplied to 50 MHz, eliminating external crystals in cost-sensitive designs. Typical applications include Bluetooth audio docks, USB human-interface devices (HIDs) such as keyboards and mice, low-cost graphical instruments, point-of-sale terminals, and industrial control panels that require USB connectivity plus an MCU-grade graphical display. The 100-pin TQFP footprint is friendly for hand-rework and 4-layer FR-4 designs. Design consideration: this part is the OTG/USB variant of the PIC32MX1XX/2XX/5XX family; the non-USB variant PIC32MX230F512L shares the same pinout but lacks the USB transceiver. Engineers should verify boot configuration word programming and ensure crystal accuracy stays within the USB Full-Speed tolerance window before committing to volume production. This page synthesizes distributor pricing and inventory across DigiKey, Mouser, LCSC, and MicrochipDirect together with practical design notes not aggregated in the manufacturer datasheet, helping procurement and firmware teams shorten evaluation cycles.

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PIC32MX270F512L-50I/PT - 50MHz 32-bit MCU 512KB Flash | Microchip
PIC32MX270F512L-50I/PT

PIC32MX270F512L-50I/PT - 50MHz 32-bit MCU 512KB Flash | Microchip

The Microchip Technology PIC32MX270F512L-50I/PT is a 32-bit microcontroller based on the MIPS32 M4K core, delivering up to 50 MHz / 83 DMIPS of computational throughput. It integrates 512 KB of Flash program memory and 64 KB of SRAM in a 100-pin TQFP (PT) package, and operates over the industrial -40C to +85C temperature range. According to the manufacturer datasheet, the part supports USB 2.0 Full-Speed, two I2S interfaces for digital audio, four SPI modules, two I2C modules, and Peripheral Pin Select (PPS) for flexible signal routing. A 32-bit microcontroller (MCU) is a microprocessor optimized for embedded control, integrating CPU core, memory, and peripherals on a single die. Within the broader taxonomy, the PIC32MX family sits in the MCU -> 32-bit MCU -> MIPS-based MCU -> PIC32MX1/2/5 sub-family hierarchy, competing with ARM Cortex-M3/M4 parts from STMicroelectronics and NXP. Designers select 32-bit MCUs when applications need more memory, faster peripherals, or richer connectivity than 8/16-bit parts can deliver, while still consuming less board area than an MPU+external memory design. Key features of the PIC32MX270F512L-50I/PT include a 10-bit 1 Msps ADC with up to 28 input channels, a Parallel Master Port (PMP) with dual read/write buffers for graphics interfaces, and a 5-bit CCP/IC/OC timer/capture/PWM array. The device provides a CAN 2.0B controller for automotive and industrial networking, an integrated full-speed USB 2.0 device/host/OTG transceiver, and a 16-bit Parallel Master Port suitable for driving small TFT displays directly. Power management includes run, idle, and sleep modes, plus a deep-sleep mode that draws microamp-level quiescent current. Architecturally, the PIC32MX270F512L-50I/PT uses a Harvard-style bus with separate instruction and data paths, a hardware multiply/divide unit, and a 5-stage pipeline. The integrated 10-bit ADC includes dedicated sample-and-hold and a 16-word result buffer, enabling high-throughput sensor acquisition without CPU intervention. PPS remaps digital peripherals to most I/O pins, simplifying PCB layout when peripherals must move due to routing constraints. Typical applications include Bluetooth audio developer kits, USB audio devices, industrial control with CAN, HMI panels with PMP-driven TFT, and consumer audio products. For example, the Microchip Bluetooth Audio Development Kit uses the PIC32MX270F512L family to demonstrate I2S audio streaming over a Bluetooth link. When designing with this device, allocate careful PCB attention to decoupling (one 100 nF per VDD/VSS pair plus a bulk 4.7 uF), follow USB-IF layout guidelines for the D+/D- traces (90 ohm differential, max 50 mm), and respect the 5V-tolerant I/O limits on the 3.3V-rail digital pins. This page synthesizes distributor pricing, same-family and cross-brand drop-in alternatives, and practical design notes that go beyond the manufacturer datasheet to help engineers select and lay out the PIC32MX270F512L-50I/PT with confidence.

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PIC32MX270F512L-V/PF - 512KB Flash 40MHz USB MCU | Microchip
PIC32MX270F512L-V/PF

PIC32MX270F512L-V/PF - 512KB Flash 40MHz USB MCU | Microchip

The Microchip Technology PIC32MX270F512L-V/PF is a 32-bit MIPS M4K microcontroller integrating 512 KB Flash and 64 KB SRAM in a 100-pin TQFP (14x14 mm) package, qualified for the -40C to +105C extended industrial temperature range. It combines 40 MHz (50 MHz for the -50 speed grade) core performance with on-chip full-speed USB 2.0 (device/host/OTG), I2S audio interfaces, CTMU touch support, RTCC, and a 10-bit ADC, targeting cost-sensitive embedded audio and connectivity designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile Flash program memory, volatile SRAM, and configurable digital and analog peripherals. The PIC32MX family uses the MIPS M4K 32-bit RISC core with a 5-stage pipeline, occupying the position 32-bit MCU -> microcontroller -> embedded processor -> semiconductor. Compared with 8-bit AVR/PIC16, the PIC32MX delivers multi-MHz 32-bit data paths and USB on-chip, which 8-bit MCUs typically cannot provide. Key features include USB 2.0 full-speed device/host/OTG with on-chip transceiver, two I2S/SSP audio paths, 81 general-purpose I/O lines, 5 timers/counters, 3 compare/PWM modules, RTCC with calendar mode, and a CTMU (Charge Time Measurement Unit) for capacitive-touch button implementation without external analog ICs. The on-chip 1.5 KB USB endpoint RAM and dedicated DMA to USB simplify Audio Class 1.0 device designs. Architecturally, the PIC32MX270 integrates a hardware multiplier, single-cycle MAC, prefetch module with cache-like branching optimization, and a peripheral bus running at half the system clock for low-overhead I/O. The 100-pin TQFP package exposes dedicated USB D+/D- pins, multiple ICSP pairs, and ample ADC inputs for mixed-signal designs. Typical applications include Bluetooth audio sink/source devices using the PIC32 Bluetooth Audio Development Kit (PQAMP), USB headsets, USB MIDI controllers, capacitive-touch user interfaces via CTMU, and low-cost 32-bit general-purpose controllers. The audio-friendly I2S ports and full-speed USB make it a workhorse for prosumer audio products. Designers should note that the PCI43701 Bluetooth Audio PIM Information Sheet (per the Microchip datasheet 50002314A) is the canonical reference design, and 100-pin TQFP compatibility between PIC32MX170/230/270 L-pin variants is verified for migration between Flash densities. Always place decoupling within 5 mm of every VDD/VSS pin. This page synthesizes distributor pricing, drop-in alternatives across the PIC32MX family, and practical design notes not found in the manufacturer datasheet.

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PIC32MX270F512L-V/PT - 32-bit MCU 512KB Flash 64KB RAM 100-TQFP
PIC32MX270F512L-V/PT

PIC32MX270F512L-V/PT - 32-bit MCU 512KB Flash 64KB RAM 100-TQFP

The Microchip PIC32MX270F512L-V/PT is a 32-bit MIPS M4K microcontroller featuring 512KB Flash and 64KB RAM in a 100-pin TQFP (12x12 mm) package, designed for embedded audio, USB, and general-purpose control applications. Operating up to 50 MHz (83 DMIPS) with a 40 MHz core specification noted on distributor listings, the part integrates a USB 2.0 Full-Speed OTG controller, four I2S/SPI modules, Parallel Master Port (PMP), and Peripheral Pin Select (PPS) for flexible signal routing. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (Flash), data memory (RAM), and integrated peripherals such as timers, communication controllers, and analog blocks. The PIC32MX family combines 32-bit processing performance with the rich peripheral integration Microchip's PIC architecture is known for, positioning these MCUs in the embedded control hierarchy as PIC -> PIC32 -> 32-bit MCU -> microprocessor/MCU category. Key features of the PIC32MX270F512L-V/PT include a 2.3V to 3.6V supply range, CTMU (Charge Time Measurement Unit), RTCC (Real-Time Clock and Calendar), UART/I2C/SPI interfaces, an ADC, and 83 DMIPS performance at 50 MHz. The 'V' suffix denotes the -40C to +105C extended industrial temperature grade, and the 'PT' suffix denotes the 100-pin TQFP package. The L variant provides the largest pin count in the PIC32MX2XX family. The MIPS32 M4K core supports hardware multiply/divide and a 5-stage pipeline, delivering deterministic interrupt response and 1.56 DMIPS/MHz efficiency. With 512KB Flash and 64KB RAM, the device targets mid-complexity applications including Bluetooth audio codecs, USB peripherals, graphical user interfaces, and multi-protocol bridging. The integrated USB 2.0 Full-Speed OTG controller and four I2S interfaces specifically target audio streaming use cases such as the PIC32 Bluetooth Audio Development Kit reference design. Typical applications include Bluetooth audio speakers and headsets, USB audio class devices, industrial control panels with PMP-driven parallel LCDs, multi-serial-protocol sensor hubs, and home automation gateways. The combination of USB, I2S, PMP, and CTMU peripherals makes this MCU well-suited to consumer audio and connected-embedded designs. When designing with this part, plan for proper decoupling (0.1uF + 1uF near each VDD pin pair), use ICSP pairs (PGECx/PGEDx) for programming/debugging, and note that all VSS/VDD pins must be connected. The PPS feature requires explicit configuration of remappable peripherals to physical pins via SFR writes. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes that complement the manufacturer datasheet.

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PIC32MX270F512LT-50I/GJX - 50 MHz, 512KB Flash MCU | Microchip
PIC32MX270F512LT-50I/GJX

PIC32MX270F512LT-50I/GJX - 50 MHz, 512KB Flash MCU | Microchip

The Microchip Technology PIC32MX270F512LT-50I/GJX is a 32-bit MIPS32 M4K microcontroller delivering 50 MHz / 83 DMIPS performance with 512 KB Flash and 64 KB RAM, housed in a 100-pin TFBGA (7x7 mm) package. It integrates full-speed USB 2.0, two I2S and four SPI modules, three analog comparators, a Charge Time Measurement Unit (CTMU), and a Real-Time Clock and Calendar (RTCC), making it a feature-dense solution for embedded designs. The 'T' suffix indicates Tape & Reel packaging and '50I' denotes the 50 MHz speed grade over the -40C to +85C industrial temperature range. The 'GJX' suffix encodes the 100-ball TFBGA package. A 32-bit MCU (microcontroller unit) is a single-chip computer that integrates a 32-bit processor core, program and data memory, and a rich set of peripherals onto one silicon die. The PIC32MX family sits in Microchip's MIPS-based product hierarchy, between the 16-bit PIC24/dsPIC and the 32-bit Cortex-M SAM families. With 83 DMIPS core performance, the M4K core executes one instruction per clock cycle for most integer operations, placing it in the same general-performance class as Cortex-M3/M4 devices from competitors while retaining Microchip's MPLAB Harmony and XC32 toolchain compatibility. Key features include Peripheral Pin Select (PPS) for flexible remapping of digital peripherals, a Parallel Master Port (PMP) with dual read/write buffers suited to graphics interfaces, 5-bit parallel capture, JTAG and 2-wire programming/debug interfaces, and a 10-bit ADC. The wide 2.3V to 3.6V supply range supports both 3.3V and 2.5V system rails, simplifying mixed-voltage designs. The device is well suited to human-machine interface (HMI), USB-device, audio, and motor-control applications where the combination of USB connectivity, I2S, and CTMU is rarely matched at this price point. Typical applications include USB audio headsets, industrial HMI panels with TFT LCDs, motor control boards using the parallel master port, and sensor-interface modules that need CTMU for time-based touch or capacitive measurements. The RTCC and ample RAM also support gateway and protocol-bridge designs. When designing with this part, allocate 4-layer PCB stack-up with a continuous ground plane below the TFBGA to keep BGA fan-out traces short and impedance-controlled. Use Microchip's MPLAB Harmony Configurator (MHC) to initialize the USB stack and PPS mappings, which dramatically reduces bring-up time for new projects. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet alone, giving engineers a single consolidated reference for sourcing and qualifying the PIC32MX270F512LT-50I/GJX.

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PIC32MX270F512LT-50I/PF - 50MHz 32-bit MCU 512KB Flash 100-TQFP | Microchip
PIC32MX270F512LT-50I/PF

PIC32MX270F512LT-50I/PF - 50MHz 32-bit MCU 512KB Flash 100-TQFP | Microchip

The Microchip PIC32MX270F512LT-50I/PF is a 32-bit MIPS32 M4K microcontroller operating at up to 50 MHz (83 DMIPS), integrating 512 KB Flash and 64 KB SRAM in a 100-pin TQFP (14x14 mm) tape-and-reel package. It belongs to the PIC32MX1xx/2xx 100-pin family, a scalable line designed for audio, graphics, USB, and advanced analog peripherals. A 32-bit microcontroller (MCU) is an embedded computing device that integrates a CPU core, program and data memory, and a configurable peripheral set on a single silicon die. PIC32MX devices sit in the broader taxonomy of microcontroller -> embedded processor -> semiconductor IC. Compared with 8-bit and 16-bit MCUs, 32-bit parts deliver higher throughput per MHz, larger linear address space, and richer peripherals, at the cost of slightly higher current draw. The PIC32MX2xx family specifically targets cost-sensitive 32-bit applications that still need USB, PMP graphics interfaces, and audio codec support. Key features of this part include 50 MHz / 83 DMIPS core performance, 512 KB Flash (512K x 8) and 64 KB SRAM, two I2S modules and four SPI modules for codec and serial communications, Peripheral Pin Select (PPS) for flexible pin-function remapping, Parallel Master Port (PMP) with dual buffers for graphics interfaces, an integrated USB 2.0 full-speed OTG/device/host controller, a 10-bit 1 Msps ADC with up to 48 channels, and an operating voltage range of 2.3V to 3.6V. The industrial temperature grade (-40C to +85C) supports harsh-environment designs. Architecturally, the PIC32MX270F512L family uses the MIPS32 M4K core, a 5-stage pipeline Harvard architecture with single-cycle multiply and hardware divide. The 512 KB Flash is single-bank and supports run-time self-programming under firmware control. PPS allows most digital peripherals to be reassigned to a wide range of physical pins, simplifying PCB routing in densely populated designs. Typical applications include USB audio interfaces and headsets, low-cost graphics HMI panels, industrial control and sensor hubs, consumer electronics with TFT/LCD displays, and home automation controllers. The combination of I2S, USB, and PMP graphics interfaces makes it a natural fit for multimedia-rich embedded products. When designing with this MCU, allocate careful attention to decoupling: place 0.1 uF and 10 uF capacitors close to every VDD/VSS pair, and follow Microchip's trace-layout recommendations for the USB differential pair (D+/D-) to maintain full-speed signal integrity. Always use the latest MPLAB Harmony code framework to leverage validated peripheral drivers. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing a single, decision-ready reference for engineers evaluating PIC32MX270F512LT-50I/PF for new designs or second-source qualification.

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PIC32MX270F512LT-50I/PT - 50MHz 512KB Flash MCU | Microchip
PIC32MX270F512LT-50I/PT

PIC32MX270F512LT-50I/PT - 50MHz 512KB Flash MCU | Microchip

The Microchip Technology PIC32MX270F512LT-50I/PT is a 32-bit MIPS32 M4K microcontroller running at 50 MHz (83 DMIPS) with 512 KB Flash and 64 KB SRAM, housed in a 100-pin TQFP (12x12 mm) package. It integrates a USB 2.0 Full-Speed OTG controller, four I2S/SPI modules for codec and serial communications, a Parallel Master Port (PMP) with dual buffers, and Peripheral Pin Select (PPS) for flexible signal routing. A 32-bit microcontroller (MCU) is a microprocessor that performs arithmetic and logic operations on 32-bit-wide data words in a single instruction cycle, embedded into a single integrated circuit with program memory, data RAM, and peripherals. PIC32MX devices belong to the broader category of 32-bit Flash microcontrollers, sitting architecturally between 8/16-bit legacy MCUs (PIC16, PIC18, PIC24) and 32-bit Cortex-M parts; they target cost-sensitive embedded control, USB, and graphics-interface designs that need higher throughput than 8-bit MCUs without the overhead of a full Cortex-M toolchain. Key features include 16-channel 10-bit ADC, five 16-bit timers, two comparators, a Real-Time Clock and Calendar (RTCC), a Charge Time Measurement Unit (CTMU) for capacitive touch, and an I2C module. The 50 MHz core delivers 83 DMIPS, ample for USB device classes, small graphics LCDs, and protocol conversion stacks. The 100-pin TQFP exposes up to 85 I/O pins through PPS, which allows most digital peripherals to be remapped to a wide choice of physical pins, simplifying PCB layout. Architecturally, the M4K core is a 5-stage pipeline Harvard implementation with single-cycle multiply, hardware multiply-accumulate, and a prefetch cache for Flash. Two DMA controllers, three USB endpoints, and JTAG/ICSP debug interfaces round out the silicon. The industrial-grade "-I" suffix extends the operating range to -40C to +85C. Typical applications include USB peripherals (HID, CDC, MSD), consumer audio accessories using I2S codecs, graphical display modules driven via PMP, capacitive touch user interfaces using CTMU, and industrial control/HMI with on-board USB connectivity. The combination of large Flash, USB OTG, and rich peripherals makes this part a popular drop-in for PIC24/dsPIC upgrades. When designing with this MCU, allocate decoupling: 100 nF + 4.7 uF near each VDD/AVDD pin pair, follow Microchip's 100-pin TQFP land-pattern recommendations, and use the PPS registers to map I2S, UART, and SPI to convenient pins. The "T" suffix denotes tape-and-reel packaging, and "50I" indicates the 50 MHz speed grade and industrial temperature range. This page synthesizes distributor pricing, drop-in alternatives from the same PIC32MX family, and design notes compiled from Microchip datasheets and reference designs - context not found on a single manufacturer or distributor page.

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PIC32MX270F512LT-I/GJX - 50MHz MIPS32 512KB Flash USB MCU
PIC32MX270F512LT-I/GJX

PIC32MX270F512LT-I/GJX - 50MHz MIPS32 512KB Flash USB MCU

The Microchip Technology PIC32MX270F512LT-I/GJX is a 32-bit MIPS32 M4K microcontroller with 512KB Flash and 64KB RAM, operating at up to 50 MHz/83 DMIPS, housed in a 100-pin TFBGA (7x7 mm) package. The device integrates two I2S and four SPI lanes plus USB 2.0 HS/FS OTG, and runs from a 2.3V to 3.6V supply. A microcontroller (microcontroller -> microcontroller unit -> embedded computing device -> semiconductor device) is a single IC containing a processor core, program memory (Flash), working memory (RAM), and a range of peripherals such as GPIO, timers, and ADCs. The PIC32MX2xx family specifically targets cost-sensitive embedded applications that need more horsepower than 8/16-bit MCUs, with the MIPS32 M4K core delivering 32-bit performance at 8-bit-style simplicity. Key features of this part include the MIPS32 M4K core at 50 MHz (83 DMIPS), 512 KB Flash, 64 KB RAM, 81 available I/O, Peripheral Pin Select (PPS) for flexible pin mapping, Parallel Master Port (PMP) with dual buffers for graphics, three analog comparators, a Charge Time Measurement Unit (CTMU), and a Real-Time Clock Calendar (RTCC). USB 2.0 HS/FS device/host/OTG is integrated with an on-chip transceiver. The architecture combines Harvard bus topology, 5-stage pipeline M4K core, and prefetch/cache. The TFBGA-100 pinout brings 81 user I/O via the Peripheral Pin Select system, enabling flexible routing of digital functions to match pins to circuits without L2W recirculation. Typical applications include USB peripherals (audio bridge devices, HID, CDC), low-cost graphics and PMP-enabled interfaces, and USB connectivity for CPAP (Continuous Positive Airway Pressure) therapy. CPAP interfaces include CPAP interfaces plus CPAP interfaces plus CPAP interfaces. CPAP interfaces plus CPAP interfaces. When designing with this device, ensure proper decoupling with 100 nF capacitors near each VDD pin. The USB bus requires a 90.9 ohm precision resistor for USB impedance matching. The PIC32MX270F512LT-I/GJX must be programmed/debugged using MPLAB tools such as MPLAB X IDE, MPLAB Snap, MPLAB ICD 4, or PICkit 4. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet. Refer to the PIC32MX2xx datasheet for common PIC32MX2xx family specifications. Refer to this device's datasheet for pin-specific this part specifications.

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PIC32MX270F512LT-I/PF - 32-Bit MCU 512KB Flash 100-TQFP | Microchip
PIC32MX270F512LT-I/PF

PIC32MX270F512LT-I/PF - 32-Bit MCU 512KB Flash 100-TQFP | Microchip

The Microchip Technology PIC32MX270F512LT-I/PF is a 32-bit MIPS32 M4K microcontroller running up to 40 MHz with 512 KB Flash and 64 KB SRAM in a 100-pin TQFP (14x14 mm) package. It integrates USB 2.0 full-speed, CAN, I2S, CTMU, UART, SPI, I2C, 10-bit ADC, and a Real-Time Clock Calendar (RTCC) for mixed-connectivity embedded designs. What is a PIC32MX2xx microcontroller? The PIC32MX2xx family is Microchip's mid-range MIPS32 M4K 32-bit MCU line, sitting in the product hierarchy between the smaller PIC32MX1xx (lower pin count, less memory) and the higher-end PIC32MX5xx/6xx/7xx (more peripherals and DSP). PIC32MX2xx parts are commonly used in consumer, industrial, and HMI applications where USB, CAN, and graphics/audio support are needed without paying for DSP extensions. The 100-pin TQFP options in this family (L-variant) expose the maximum I/O count for the most peripheral-dense designs. Key features of the PIC32MX270F512LT-I/PF include 81 available I/O pins, 16-channel 10-bit ADC at 1 Msps, five 16-bit timers/capture/compare, two comparators, two I2C, two SPI, six UART, USB 2.0 full-speed device/host/OTG, CAN 2.0B, I2S audio interface, Peripheral Pin Select (PPS) for flexible signal routing, and JTAG/ICSP debug. Operating voltage is 2.3V to 3.6V from a single supply, with industrial temperature grade of -40C to +85C. The device uses a 5-stage pipeline Harvard architecture and supports Microchip's MPLAB Harmony, MPLAB XC32 compiler, and the free MPLAB Snap/PICkit 4 toolchain. Its Peripheral Pin Select (PPS) remapping allows many digital peripherals to be mapped to a wide range of physical pins, simplifying PCB layout. Typical applications include USB peripherals (HID, CDC, mass storage), CAN-bus industrial nodes, audio playback with I2S, low-cost graphical HMI, sensor hubs, and motor-control command interfaces. For a learning curve familiar to PIC24/dsPIC users, the PIC32MX2xx is the natural 32-bit migration path. When designing with this MCU, allocate decoupling capacitance close to each power pin (0.1 uF plus bulk), route the 40 MHz crystal traces symmetrically with a guard ground, and configure PPS mappings in code before peripheral use. The 100-pin TQFP package is 14x14 mm and is hand-solderable with proper technique, making it suitable for prototypes and small production runs. This page synthesizes distributor pricing, same-package drop-in PIC32 family alternatives, and practical design notes not collected in any single manufacturer document.

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PIC32MX270F512LT-I/PT - 512KB Flash 64KB RAM 40MHz 32-bit MCU | Microchip
PIC32MX270F512LT-I/PT

PIC32MX270F512LT-I/PT - 512KB Flash 64KB RAM 40MHz 32-bit MCU | Microchip

The Microchip PIC32MX270F512LT-I/PT is a 32-bit MIPS M4K microcontroller offering 512 KB Flash and 64 KB SRAM, executing up to 40 MIPS at 40 MHz in a 100-pin TQFP (12x12 mm) package. Designed for connected embedded designs, the part integrates full-speed USB 2.0 device/host/OTG, three analog comparators, a 10-bit 1 Msps ADC, a Real-Time Clock Calendar (RTCC), and a Charge Time Measurement Unit (CTMU) for capacitive touch. The TQFP-100 footprint exposes up to 81 general-purpose I/O with Peripheral Pin Select (PPS) remapping. A 32-bit microcontroller is a microprocessor that processes instructions and data in 32-bit wide paths, delivering higher throughput and richer address spaces than legacy 8/16-bit MCUs. Within the PIC32MX family, the M4K core combines Harvard architecture with a 5-stage pipeline and hardware multiply/divide. The PIC32MX270 sits in the mid-density tier of PIC32MX, sitting between low-pin MX1xx/MX2xx and higher-density MX3xx/MX4xx variants, and it targets human-machine interface (HMI), audio, USB, and CAN bridging applications where on-chip Flash and USB are valued over RTOS-class peripherals. Its place in the broader taxonomy: 32-bit MCU -> microcontroller -> embedded processor -> semiconductor. Key feature highlights include: 512 KB Flash (512K x 8) supporting self-programming and EEPROM emulation, 64 KB SRAM, USB 2.0 Full-Speed OTG with on-chip transceiver, two I2S modules plus four SPI/I2S capable serial interfaces for codec connectivity, Parallel Master Port (PMP) for graphics or external memory, and CTMU for capacitive touch sensing. The part is rated for -40C to +85C industrial operation with 2.3 V to 3.6 V single-supply input. Technical depth: the MIPS M4K core uses a 5-stage pipeline with hardware multiply/divide and a 32-bit instruction set with 32 general-purpose registers, achieving 1.56 DMIPS/MHz. The 10-bit ADC offers up to 1 Msps with 28 input channels multiplexed through PPS. The on-chip USB PHY eliminates external transceivers; software stacks include Microchip's MLA USB framework. PPS lets designers remap most digital functions to any I/O pin, simplifying PCB layout and BOM. Typical applications: USB peripherals and HID devices, capacitive touch user interfaces (CTMU), audio streaming with I2S codecs, CAN-USB bridges for industrial networking, and low-cost HMI panels driven by PMP. The part's balance of USB, CTMU, and I2S makes it a common choice for connected consumer and IoT products. Design consideration: when migrating between PIC32MX270F512L (64-pin/100-pin) and PIC32MX270F256B/C/D variants, verify ADC channel count and PPS mapping carefully because pin counts change and not all peripheral instances are present in lower-pin variants. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, and includes cross-references to same-package and pin-compatible Microchip PIC32MX siblings for inventory and lifecycle risk mitigation.

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PIC32MX270F512LT-V/GJX - 32-bit MCU, 512KB Flash, 100-TFBGA | Microchip
PIC32MX270F512LT-V/GJX

PIC32MX270F512LT-V/GJX - 32-bit MCU, 512KB Flash, 100-TFBGA | Microchip

The Microchip Technology PIC32MX270F512LT-V/GJX is a 32-bit MIPS32 M4K microcontroller with 512 KB flash, 64 KB RAM, USB 2.0 full-speed On-The-Go (OTG), and three analog comparators plus CTMU and RTCC peripherals, supplied in a 100-ball 7x7 mm TFBGA package rated for automotive (AEC-Q100) and -40C to +105C (VT) temperature operation. The core runs up to 50 MHz delivering 83 DMIPS, with Peripheral Pin Select (PPS) for flexible signal routing and a Parallel Master Port (PMP) for graphics interfaces. What is a 32-bit microcontroller? A microcontroller (MCU) is a single-chip computer containing a CPU core, program and data memory, and integrated peripherals such as timers, ADC, communication interfaces, and I/O. The PIC32MX270 belongs to Microchip's PIC32 family, which uses the MIPS32 M4K RISC architecture and targets mid-range embedded applications where 32-bit performance and USB connectivity are required. Within the system hierarchy, this MCU sits between a 16-bit MCU (lower performance) and a Cortex-M4 class MCU (higher compute density), positioned for USB-enabled HMI, audio streaming, and automotive body modules. Key features include up to 512 KB flash with 64 KB RAM, hardware USB 2.0 FS OTG with dedicated DMA, two I2S and four SPI modules, two I2C modules, five UART modules, a 10-bit ADC, three analog comparators, a Charge Time Measurement Unit (CTMU), and a Real-Time Clock and Calendar (RTCC). The 100-TFBGA package occupies just 49 mm^2 of PCB area, enabling compact automotive modules. The AEC-Q100 qualification applies at manufacturing. Typical applications include USB HID devices, audio streaming peripherals with I2S codecs, automotive body and HMI modules, industrial sensor hubs, and small graphical displays via the PMP. The combination of USB OTG, ample flash, and CTMU makes it well suited for capacitive-touch user panels and CAN-gateway companion designs. When designing with this part, pay attention to the -40C to +105C VT temperature range and the TFBGA ball grid which requires careful PCB layout for reliable solder joints. The PPS feature allows late-stage pin reassignment, which simplifies PCB routing revisions. This page synthesizes distributor pricing, parametric drop-in alternatives from the same PIC32MX270 family, and practical design notes beyond the manufacturer datasheet.

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PIC32MX270F512LT-V/PF - 512KB Flash 40MHz 32-bit MCU | Microchip
PIC32MX270F512LT-V/PF

PIC32MX270F512LT-V/PF - 512KB Flash 40MHz 32-bit MCU | Microchip

The Microchip Technology PIC32MX270F512LT-V/PF is a 32-bit microcontroller from the PIC32MX1XX/2XX family built on the MIPS32 M4K core, delivering 40 MHz (83 DMIPS) performance and packaged in a 100-pin TQFP (14x14 mm) form factor. It integrates 512 KB of Flash program memory and 64 KB of SRAM, with USB 2.0 full-speed OTG, two I2S audio interfaces, four UART modules, three SPI modules, and an on-chip 10-bit ADC with multiple analog comparators. The "-V" suffix denotes the automotive temperature grade operating from -40C to +105C. A 32-bit microcontroller (MCU) is an embedded computing element that integrates a processor core, program and data memory, and programmable peripherals on a single silicon die. The PIC32MX2XX family specifically targets mixed-signal embedded applications that need USB connectivity, audio interfaces, and rich analog peripherals while keeping power consumption low. Within the broader PIC32 family, this device sits between the lower-pin PIC32MX1XX series and the higher-memory PIC32MX3XX/5XX/6XX/7XX series. Key features include Peripheral Pin Select (PPS) for flexible signal routing, a Parallel Master Port (PMP) for graphics or external memory, an RTCC with calendar function, a Charge Time Measurement Unit (CTMU) for capacitive touch or general capacitance measurement, and a 10-bit 1 Msps ADC with auto-scan capability. The device operates from 2.3 V to 3.6 V and supports in-system programming through ICSP. The architecture is a Harvard-style design featuring a 5-stage pipeline, hardware multiply/divide, and a configurable prefetch cache. Peripheral functions are multiplexed via PPS, allowing most digital functions to be assigned to almost any I/O pin, which simplifies PCB layout and reduces routing congestion. Typical applications include USB audio devices, USB-to-UART bridges, capacitive touch user interfaces, motor control boards, GPS/fitness wearables, point-of-sale terminals, automotive infotainment subsystems, and low-cost graphics demos using the PMP interface. When designing with this part, leave I/O pin assignments flexible until the schematic is frozen so PPS remapping can resolve routing conflicts. Always reserve the VBUS, VUSB, and D+/D- pins carefully - USB biasing is internal but requires the standard external series resistor on D-. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, giving engineers a faster path to sourcing and design-in decisions.

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PIC32MX274F256B-I/MM - 32-bit 72MHz MCU 256KB Flash USB 28-QFN | Microchip
PIC32MX274F256B-I/MM

PIC32MX274F256B-I/MM - 32-bit 72MHz MCU 256KB Flash USB 28-QFN | Microchip

The Microchip PIC32MX274F256B-I/MM is a 32-bit MIPS M4K microcontroller operating at up to 72 MHz, integrating 256 KB Flash and 64 KB SRAM in a 28-pin 6x6 mm QFN-S package with exposed pad. The -I suffix indicates the industrial temperature grade of -40C to +85C, and the part features full-speed USB 2.0, three analog comparators, CTMU (Charge Time Measurement Unit), and a Real-Time Clock Calendar. A 32-bit microcontroller (MCU) is a programmable processor with a 32-bit data path, on-chip Flash program memory, SRAM data memory, and a rich set of digital and analog peripherals. Within the embedded hierarchy, the PIC32MX family sits in Microchip's mid-range 32-bit tier between 8-bit PIC MCUs and 32-bit Cortex-M parts from other vendors, offering deterministic MIPS performance with low power consumption. The PIC32MX27x sub-family specifically targets XLP (eXtreme Low Power) applications with deep sleep currents in the microamp range while running the core up to 72 MHz. Key specifications include 256 KB single-voltage Flash with live update capability, 64 KB SRAM, full-speed USB 2.0 device/host/OTG, 21-channel 10-bit ADC at 1 Msps, three analog comparators, a CTMU for capacitive touch and precise time measurement, and an RTCC module with calendar alarm. The device supports 3.3V single-supply operation, integrates a 4-channel DMA controller, and offers PMP/EPMP for graphics interfaces, plus multiple UART, SPI, and I2C peripherals. The 28-QFN-S 6x6 package footprint is compact yet provides a thermal pad for moderate power dissipation. The PIC32MX274F256B-I/MM is suitable for industrial USB peripherals, consumer devices with capacitive touch, low-power sensor hubs, and battery-powered embedded applications where the XLP run/sleep/deep-sleep currents extend operating life. Typical end products include USB barcode scanners, smart sensors, portable medical peripherals, HMI control panels, and audio playback modules. Designers using MPLAB Harmony v3 and MPLAB XC32 can leverage integrated middleware and software stacks to accelerate time-to-market. When designing with this part, plan PCB layout around the exposed thermal pad for proper heat spreading, and place decoupling capacitors close to each VDD/VSS pair. Note that code that worked on PIC32MX1xx/2xx 28-pin variants is generally portable, but USB stack and PMP usage should follow Microchip's Harmony 3 application notes for reliable operation. The Flash endurance is rated for typical embedded use and is well documented in the device family reference manual.

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PIC32MX274F256B-I/SO - 32-bit MCU, 256KB Flash, USB, 28-SOIC | Microchip
PIC32MX274F256B-I/SO

PIC32MX274F256B-I/SO - 32-bit MCU, 256KB Flash, USB, 28-SOIC | Microchip

The Microchip PIC32MX274F256B-I/SO is a 32-bit MIPS M4K microcontroller in the PIC32MX1XX/2XX XLP family, delivering 72 MHz CPU performance with 256 KB Flash and 64 KB SRAM in a 28-pin SOIC (0.295 in / 7.50 mm) industrial-temperature package. The device integrates full-speed USB 2.0 (device/host/OTG), three analog comparators, a CTMU for touch and mTouch capacitive sensing, and a Real-Time Clock Calendar (RTCC), making it a one-chip solution for low-power connected and user-interface designs. A 32-bit MCU (microcontroller unit) is a programmable system-on-chip combining a 32-bit CPU core, volatile and non-volatile memory, and a rich peripheral set on a single die. In the broader semiconductor hierarchy, microcontrollers belong to the embedded-processing class, sitting between microprocessors (which require external memory) and ASICs. Within the Microchip portfolio, the PIC32MX274F256B belongs to the eXtreme Low Power (XLP) sub-family, which adds deep-sleep current reduction techniques aimed at battery-powered IoT endpoints and energy-harvesting designs. Key differentiating features include 72 MHz core operation (vs. 50 MHz on earlier PIC32MX generations), dedicated USB 2.0 full-speed hardware with on-chip transceiver, an 8-channel 10-bit 1 Msps ADC, four general-purpose 16-bit timers, two I2C, two UART, two SPI, and PMP/Parallel Master Port for graphics and external memory interfacing. The CTMU (Charge Time Measurement Unit) enables capacitive touch buttons, sliders, and proximity sensing without an external touch controller. Architecturally, the device combines a MIPS32 M4K core (Harvard bus with separate instruction/data fetch paths) with on-chip oscillator support and an internal 8 MHz RC oscillator that can be switched to a PLL for high-frequency operation. Power-management features include Run, Idle, Sleep, and Deep-Sleep modes with wake-up sources from RTCC, USB, comparators, and external interrupts. Typical applications include USB peripherals and HID devices, capacitive touch user interfaces, low-power sensor hubs with RTCC timestamping, small graphics HMI displays driven by PMP, and battery-powered industrial data loggers. The 28-SOIC footprint and industrial temperature range (-40C to +85C) suit designs targeting harsh environments without requiring BGA or QFN assembly. When designing with this part, place the 28-SOIC on a standard 0.3-inch wide SOIC land pattern; verify USB DP/DAC routing to comply with the 90-ohm differential impedance and place the decoupling network as documented in the Microchip USB design checklist. The CTMU and RTCC share I/O pins and require configuration in the harmony/PLIB layer. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet, presented in a citation-ready format for engineer and procurement audiences.

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PIC32MX274F256B-V/SO - 32-bit MCU, 256KB Flash, USB, AEC-Q100 | Microchip
PIC32MX274F256B-V/SO

PIC32MX274F256B-V/SO - 32-bit MCU, 256KB Flash, USB, AEC-Q100 | Microchip

The Microchip Technology PIC32MX274F256B-V/SO is a 32-bit MIPS32 M4K microcontroller featuring 256 KB Flash, 64 KB SRAM, and Full-Speed USB 2.0, housed in a 28-pin SOIC (SO) package with the -V (automotive, AEC-Q100) temperature grade. A 32-bit microcontroller (MCU) is an integrated circuit that combines a 32-bit processor core, program memory, data memory, and a rich set of peripherals on a single die. PIC32MX devices belong to the broader PIC32 family (MIPS32 architecture), which itself sits within the wider category of microcontrollers (MCUs), embedded processors, semiconductors, and integrated circuits. PIC32MX270/274 parts are positioned as low-power (XLP) general-purpose MCUs targeting USB-enabled consumer, industrial, and automotive designs. Key features include a maximum CPU clock of 72 MHz with 83 DMIPS core performance, two I2C, two SPI, and four UART (with RS-485/IrDA support) peripherals, a 10-bit 1 Msps Analog-to-Digital Converter (ADC) with up to 13 input channels, three analog comparators, a Real-Time Clock and Calendar (RTCC), and a Charge Time Measurement Unit (CTMU) for capacitive touch and precise time measurement. The device operates from 2.3 V to 3.6 V across the -40 C to +105 C automotive temperature range. Architecturally, the PIC32MX274F256B integrates a MIPS32 M4K core with 5-stage pipeline and hardware multiply/divide, separate 16 KB I-cache and 4 KB D-cache, a 4-channel DMA controller for low-overhead peripheral data movement, and a peripheral bus (PBUS) that decouples I/O timing from the CPU clock. The on-chip Full-Speed USB 2.0 controller includes an internal transceiver and on-chip pull-up resistors, allowing direct USB device/host/OTG connection with minimal external components. Typical applications include automotive body electronics, USB human-interface devices (keyboards, mice, touch panels), industrial sensor hubs, portable data loggers, low-power consumer devices, and capacitive-touch user interfaces using the on-chip CTMU. The XLP (eXtreme Low Power) features (down to sub-microamp sleep currents) make it well-suited to battery-powered and always-on applications. When designing with this MCU, ensure the 28-pin SOIC layout reserves proper decoupling (one 0.1 uF X7R per VDD pair plus a bulk 10 uF), keeps the 48 MHz secondary oscillator traces short, and uses Microchip's MPLAB X IDE with Harmony or MCC code configurators to shorten firmware development. Always validate the USB differential pair impedance per USB 2.0 FS requirements. This page synthesizes distributor pricing, drop-in alternative part numbers, and practical design notes not found in the manufacturer datasheet.

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PIC32MX274F256BT-I/MM - 72MHz 32-bit MCU, 256KB Flash | Microchip
PIC32MX274F256BT-I/MM

PIC32MX274F256BT-I/MM - 72MHz 32-bit MCU, 256KB Flash | Microchip

The Microchip Technology PIC32MX274F256BT-I/MM is a 32-bit MIPS32 M4K PIC microcontroller running at up to 72 MHz with 256 KB Flash and 64 KB SRAM, housed in a 28-pin QFN-S 6x6 mm package with an exposed thermal pad. It is part of the PIC32MX27x family, which brings lower run, sleep, and deep-sleep currents to the PIC32MX lineup while increasing 28/44-pin device frequency up to 72 MHz, making it a fit for low-power connected and audio applications. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, peripherals, and I/O on one die. The PIC32MX27x is a MIPS-based 32-bit MCU within Microchip's PIC32 family, which itself sits inside the broader microcontroller category of semiconductors. Architecturally, an MCU is one tier below a microprocessor in system complexity: it includes on-chip Flash, SRAM, ADCs, timers, communication peripherals, and in this case a full-speed USB 2.0 device controller plus an mTouch capacitive-touch subsystem (CTMU) and a Real-Time Clock/Calendar (RTCC), reducing external component count. Key features include 256 KB (256K x 8) Flash, 64 KB SRAM, up to 72 MHz core clock, an integrated full-speed USB 2.0 device, three analog comparators, an RTCC, and a CTMU for capacitive touch sensing. It also provides up to 21 general-purpose I/O, three 16-bit timers/counters, I2S/SPIs for audio, and PMP for graphics interfaces, suitable for the Audio Codec Daughter Board AC320100 (AKM AK4642EN). The device is built on a low-power process and supports sleep and deep-sleep modes that the datasheet characterizes in the single-digit milliamp range for run and microampere range for sleep. With USB device, audio interfaces, and CTMU in one die, it consolidates what previously required an MCU plus companion controller. Typical applications include USB audio devices, capacitive-touch control panels, low-power IoT sensor hubs, and embedded human-machine interfaces with graphics. The 28-QFN package supports compact designs where 28 pins are sufficient. Design tip: plan trace routing for the USB DP/DM differential pair with 90-ohm impedance, place the 12-150 pF CTMU charge-sharing capacitors close to the analog inputs, and follow the datasheet reference design for the RTCC crystal load capacitors (typically 22 pF). The exposed thermal pad must be soldered to a continuous ground plane for thermal dissipation. This page synthesizes distributor pricing, drop-in pin-compatible alternatives (same-brand and cross-brand), application recommendations, and practical design notes not consolidated on the manufacturer product page.

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PIC32MX274F256BT-V/MM - 32-bit MCU 256KB Flash 72MHz | Microchip
PIC32MX274F256BT-V/MM

PIC32MX274F256BT-V/MM - 32-bit MCU 256KB Flash 72MHz | Microchip

The Microchip PIC32MX274F256BT-V/MM is a 32-bit MIPS32 M4K PIC microcontroller with 256KB Flash and 72MHz core speed in a 28-pin QFN-S (6x6mm) package. It integrates USB 2.0 Full-Speed, up to 21 ADC channels at 10-bit, four I2C/SPI/I2S peripherals, and PIC XLP extreme low-power technology for energy-efficient embedded designs. A 32-bit microcontroller (MCU) is a single-chip computer that integrates a 32-bit CPU core, Flash program memory, SRAM data memory, and configurable peripherals. The PIC32MX27x family brings lower power run, sleep, and deep-sleep currents to the PIC32MX lineage while raising the maximum frequency of 28- and 44-pin devices to 72MHz, making it well suited for battery-powered and space-constrained designs. Key features of this part include 256KB Flash (256K x 8) plus 64KB RAM, a USB 2.0 Full-Speed device/host/OTG transceiver on-chip, a 10-bit 1.1Msps ADC with up to 13 analog inputs, five 16-bit timers/counters, two comparators, and a Peripheral Pin Select (PPS) subsystem that maps digital peripherals to any GPIO. PIC XLP technology delivers typical deep-sleep currents in the sub-microamp range and run currents around 20 mA/MIPS, allowing years of operation from a single coin cell. The device is built on a 5-stage pipeline MIPS32 M4K core with hardware multiply/divide and a single-cycle Flash read path, giving 1.62 DMIPS/MHz. An integrated 8 MHz internal FRC oscillator and a 96 MHz PLL reduce the need for external crystals, while the 28-VQFN with exposed pad enables PCB thermal dissipation at 72 MHz full load in compact industrial layouts. Typical applications include USB audio devices, automotive body and infotainment subsystems (AEC-Q100 grade 1), industrial sensor hubs, consumer white goods with USB charging interfaces, and low-power IoT edge nodes. The combination of USB, ADC, and PPS makes it a flexible host or peripheral controller. When designing, note that the -V suffix denotes the -40C to +105C automotive/industrial temperature range and that VQFN-28 (MM) is footprint-compatible with the industrial -I variant, easing design-for-cost transitions. The MM exposed pad must be soldered to the ground plane for thermal and electrical performance. This page synthesizes distributor pricing, drop-in alternatives within the 28-VQFN footprint, and practical design notes not found in the manufacturer datasheet.

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PIC32MX274F256BT-V/SO - 32-bit MCU, 256KB Flash, 72MHz | Microchip
PIC32MX274F256BT-V/SO

PIC32MX274F256BT-V/SO - 32-bit MCU, 256KB Flash, 72MHz | Microchip

The Microchip Technology PIC32MX274F256BT-V/SO is a 32-bit MIPS M4K PIC microcontroller with 256KB Flash and 72 MHz CPU clock, housed in a 28-pin SOIC package. It is part of the PIC32MX27x family, which delivers lower run/sleep/deep-sleep currents than earlier PIC32MX devices while pushing 28/44-pin devices up to 72 MHz. A 32-bit microcontroller (MCU) is an integrated circuit containing a 32-bit CPU core, program Flash, data RAM, and a rich set of peripherals such as timers, ADC, communication interfaces (UART, SPI, I2C), and GPIO. MCUs belong to the broader semiconductor category and form the lowest tier of embedded computing hierarchy: MCU -> embedded processor -> microprocessor -> computing system. Compared with 8/16-bit MCUs, 32-bit parts handle larger data widths, run more complex firmware (often RTOS-based), and offer higher throughput at comparable cost. Key specifications of the PIC32MX274F256BT-V/SO include 256KB on-chip Flash, 64KB SRAM, USB 2.0 Full-Speed OTG, up to 10 ADC channels at 1 Msps, four 16-bit timers/counters, two I2C and two SPI/I2S modules, and two UART modules. The PIC XLP (eXtreme Low Power) technology extends battery life in portable designs, with deep-sleep current as low as a few microamps depending on mode. Architecturally, the device combines a single-cycle MIPS32 M4K core with a 5-stage pipeline and dedicated multiplier/divider, supported by dual-bank Flash and a 16KB instruction cache on larger variants. The peripheral set is mapped through a separate peripheral bus, allowing DMA-style transfers on some channels and keeping CPU offload efficient. Typical applications include consumer appliances, USB peripherals (HID/keyboard/mouse), industrial control, sensor hubs, low-cost graphical interfaces, and battery-powered IoT nodes. Its automotive-grade -V (extended) temperature variant suits dashboards and other ruggedized uses. Designers benefit from the MPLAB X IDE and Harmony ecosystem. Designers should plan for an external 8 MHz crystal or use the internal 8 MHz Fast RC oscillator with PLL to reach 72 MHz. The 28-SOIC footprint is generous for hand-soldering and breadboarding; for size-constrained designs, PIC32MX274F256BT-V/MM (28-QFN) provides the same die. This page synthesizes distributor pricing, drop-in alternatives from the same PIC32MX27x family, and practical design notes not aggregated in the manufacturer datasheet.

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