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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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PIC32MX274F256D-I/ML - 32-bit MCU 256KB Flash 72MHz USB | Microchip
PIC32MX274F256D-I/ML

PIC32MX274F256D-I/ML - 32-bit MCU 256KB Flash 72MHz USB | Microchip

The Microchip Technology PIC32MX274F256D-I/ML is a 32-bit MIPS M4K microcontroller from the PIC32MX27x family with 256KB Flash and 64KB SRAM, running up to 72 MHz and integrating full-speed USB 2.0 in a 44-pin QFN (8x8 mm) package with industrial temperature grade (-40C to +85C). This device belongs to the PIC32MX1XX/2XX 28/44-pin XLP family of ultra-low-power 32-bit microcontrollers. XLP (eXtreme Low Power) technology reduces run, sleep, and deep-sleep currents versus earlier PIC32 generations, while the 72 MHz core on the 28/44-pin variants delivers higher computational throughput than older 50 MHz PIC32MX parts. Within the broader taxonomy, the PIC32MX274F256D sits at microcontroller -> 32-bit MCU -> MIPS M4K core -> Microchip PIC32 family -> PIC32MX2xx sub-family -> PIC32MX27x XLP line. Key features include 256KB Flash program memory, 64KB SRAM, hardware Full-Speed USB 2.0 device/host/OTG, up to 5 dedicated 16-bit timers, three analog comparators, a Real-Time Clock Calendar (RTCC), and a Charge Time Measurement Unit (CTMU) for capacitive touch and accurate timing. Integrated peripherals cover I2C, SPI, UART, PMP for graphics, and a 10-bit ADC with up to 1 Msps sampling, enabling mixed-signal embedded designs. The 44-pin QFN package exposes up to 35 usable I/O pins, five 16-bit timers, and multiple PGECx/PGEDx programming pairs for flexible ICSP layout. The CTMU and RTCC make it well-suited to Human Interface Devices (HID), capacitive touch keys, segment LCD control via peripheral mapping, and audio sample-rate timing. Hardware USB eliminates the need for an external transceiver and is a key reason this part is widely used in HID peripherals, audio class USB devices, and embedded host stacks. Typical applications include USB HID peripherals (keyboards, mice, game controllers), capacitive touch user interfaces, audio playback and USB audio class devices, low-power sensor hubs, industrial control front-ends, and graphics-based segment displays. The combination of low-power XLP modes and 72 MHz performance suits both battery-powered and line-powered products. Design with this part: place a 10 uF plus 0.1 uF bulk-decoupling network on VDD/VSS, use the exposed thermal pad (EP) to ground for mechanical and thermal performance, and follow Microchip's PIC32 USB hardware checklist for the 90-ohm differential D+/D- impedance. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC32MX274F256DT-I/ML - 72MHz 32-bit MCU 256KB Flash | Microchip
PIC32MX274F256DT-I/ML

PIC32MX274F256DT-I/ML - 72MHz 32-bit MCU 256KB Flash | Microchip

The Microchip Technology PIC32MX274F256DT-I/ML is a 32-bit MIPS32 M4K microcontroller operating at 72MHz with 256KB Flash and 64KB SRAM in a 44-pin QFN (8x8mm) package. As part of the PIC32MX1XX/2XX XLP family, it integrates Full-Speed USB 2.0, three analog comparators, a Capacitive Touch Utility Module (CTMU), and a Real-Time Clock/Calendar (RTCC), targeting low-power connected embedded applications. A 32-bit microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (SRAM), and peripherals on one die. PIC32MX MCUs use the MIPS32 M4K architecture, placing them in the broader hierarchy: microcontroller -> embedded MCU -> 32-bit RISC processor -> semiconductor. The eXtreme Low Power (XLP) variant adds sleep/deep-sleep modes that reduce quiescent current to the microampere range for battery-powered designs. Key specifications include a 72MHz maximum CPU clock with 83 DMIPS performance, 256KB (256K x 8) Flash program memory, 64KB SRAM, USB 2.0 Full-Speed with device/host/OTG support, and 5-channel 10-bit ADC at 1 Msps. The 44-QFN (8x8) package has an exposed thermal pad and offers up to 34 general-purpose I/O pins. Peripherals include three analog comparators, two I2C, two UART, two SPI, and a CTMU for capacitive touch sensing. Typical applications include USB-connected consumer devices, capacitive-touch human-machine interfaces, low-power IoT sensor nodes, and battery-powered instrumentation. The RTCC with calendar mode supports time-stamped data logging without CPU intervention, while the CTMU enables 10-bit resolution touch buttons and sliders with no external IC. When designing with this part, choose the 44-QFN (8x8) variant when board area is constrained and exposed-pad thermal performance is required. The PIC32MX274F256DT-I/ML (industrial -40C to +85C) differs from the automotive PIC32MX274F256DT-V/ML only in temperature range and qualification testing. This page synthesizes current distributor pricing, drop-in compatible variants within the PIC32MX1XX/2XX family, and practical PCB layout considerations specific to the 44-QFN exposed-pad package not found on the manufacturer product page.

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PIC32MX274F256DT-I/PT - 32-bit MCU 256KB Flash USB 44-TQFP | Microchip
PIC32MX274F256DT-I/PT

PIC32MX274F256DT-I/PT - 32-bit MCU 256KB Flash USB 44-TQFP | Microchip

The Microchip Technology PIC32MX274F256DT-I/PT is a 32-bit MIPS32 M4K microcontroller featuring 256KB of flash program memory, 64KB of SRAM, and a full-speed USB 2.0 device/host/On-The-Go controller, housed in a 44-pin TQFP (10x10 mm) package. It operates at up to 72 MHz core clock, integrates a 10-bit ADC up to 1.1 Msps, three analog comparators, a real-time clock and calendar (RTCC), and a charge time measurement unit (CTMU), making it suited for low-power connected embedded designs. An MCU (microcontroller unit) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, and a wide range of peripherals such as ADCs, timers, communication controllers, and GPIO. PIC32MX microcontrollers belong to the MIPS M4K-based PIC32 family and serve as a bridge between 8/16-bit PIC MCUs and 32-bit applications; in the broader taxonomy they sit under: microcontroller -> embedded processor -> integrated circuit -> semiconductor. The XLP (eXtreme Low Power) variants add deep sleep currents down to sub-micromand ultrasleep modes aimed at battery-powered products. Key features include 256KB flash, 64KB SRAM, full-speed USB 2.0 with host/device/OTG modes, three 10-bit ADC modules (up to 1.1 Msps combined), three analog comparators with programmable hysteresis, four DMA channels, RTCC with calendar mode, CTMU for capacitive touch and time-of-flight measurements, and multiple serial interfaces: two I2C, two SPI, and two UART. The part also exposes up to 35 general-purpose I/Os in the 44-TQFP package with 5V-tolerant inputs on most signals. Architecturally, the device pairs the MIPS32 M4K core with a 7-stage pipeline, hardware multiply/divide, single-cycle MAC, and tightly-coupled prefetch module for deterministic flash access. The USB peripheral includes an integrated transceiver and pull-up/pull-down resistors, which simplifies PCB layout by removing external USB PHY components. The XLP deep-sleep current is rated in the sub-micromicroampere range for battery-backed designs. Typical applications include USB peripherals, industrial sensor nodes, capacitive touch human-machine interfaces, low-power data loggers, and home/building automation endpoints. The on-chip USB and CTMU are particularly valuable for HID peripherals and capacitive touch keypads where BOM count must stay low. For designers, the most important tradeoff is selecting between the 44-pin TQFP (PT) and the 28-pin versions of the same PIC32MX274 silicon; PT exposes the most peripherals but is the largest footprint in the family. Ensure Vcap is decoupled with at least 1 microfarad to the ground plane to stabilize the on-chip 1.5-volt regulator core. This page synthesizes distributor pricing, drop-in alternatives, and design engineering context beyond the manufacturer datasheet - giving a single reference for the PIC32MX274F256DT-I/PT suitable for both engineers and procurement.

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PIC32MX274F256DT-V/PT - 72MHz 32-bit MCU, 256KB Flash, USB | Microchip
PIC32MX274F256DT-V/PT

PIC32MX274F256DT-V/PT - 72MHz 32-bit MCU, 256KB Flash, USB | Microchip

The Microchip PIC32MX274F256DT-V/PT is a 32-bit MIPS32 M4K microcontroller delivering 72 MHz CPU performance with 256 KB Flash and 64 KB SRAM in a 44-pin TQFP (PT) package rated for the automotive -40C to +105C temperature range. It integrates Full-Speed USB 2.0, three analog comparators, a Charge Time Measurement Unit (CTMU), and a Real-Time Clock Calendar (RTCC), making it a highly integrated solution for connected embedded designs. A 32-bit microcontroller is a programmable processor built around a 32-bit datapath and register file, enabling efficient handling of larger data words, complex math, and richer peripheral sets than 8- or 16-bit MCUs. The PIC32MX family extends the PIC legacy into the MIPS M4K architecture, combining Microchip's MPLAB ecosystem with deterministic interrupts and a rich peripheral mix. Within the system hierarchy, the PIC32MX274F256D sits in the MCU -> 32-bit MCU -> connected MCU category, targeted at USB-enabled consumer, industrial, and automotive body applications. Key features of this part include USB 2.0 Full-Speed with on-chip transceiver, 10-bit ADC up to 1.1 Msps, up to 5 UART/SPI/I2C peripherals, and the eXtreme Low Power (XLP) sleep modes that drop quiescent current into the microamp range. The 256 KB Flash holds up to 268 KB including a 12 KB boot Flash, while 64 KB SRAM supports buffering for USB, graphics, and audio workloads. With 34 usable I/O and CTMU touch support, designers can build capacitive touch user interfaces without an external touch controller. Architecturally, the PIC32MX274F256DT-V/PT pairs the M4K core with a 5-stage pipeline, hardware multiply/divide, and a dedicated peripheral bus running from the same 72 MHz system clock. The CTMU provides a constant current source for capacitive sensing and precise time-of-flight measurement, while the RTCC keeps accurate wall-clock time in deep sleep. Typical applications include USB HID / CDC / MSD devices, capacitive touch keypads, automotive body controllers (V variant), low-cost audio playback, and graphics-driven HMI panels. The wide operating voltage (2.3V-3.6V) and industrial temperature range make it equally suited to battery-powered IoT sensors and factory automation nodes. When designing with this part, ensure that VDDCORE decoupling and the 8 MHz internal oscillator configuration match your MPLAB Harmony project settings. The V (automotive) suffix indicates AEC-Q100 qualification, so validate EMI/ESD margins against ISO 7637 or IEC 61000-4-2 if targeting 12V automotive rails. This page combines distributor pricing, qualified drop-in alternatives, and practical design notes not found on a single manufacturer page.

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PIC32MX320F032H-40I/PT - 32-bit MCU, 32KB Flash, 40MHz | Microchip
PIC32MX320F032H-40I/PT

PIC32MX320F032H-40I/PT - 32-bit MCU, 32KB Flash, 40MHz | Microchip

The Microchip Technology PIC32MX320F032H-40I/PT is a 32-bit MIPS M4K PIC microcontroller with 32 KB Flash, 8 KB SRAM, and a 40 MHz maximum CPU clock, housed in a 64-pin TQFP (10x10 mm) surface-mount package. It operates from a 2.3 V to 3.6 V supply and provides 53 general-purpose I/O pins, a 10-bit ADC, and the standard PIC32MX3XX/4XX family peripheral set. A microcontroller (MCU) is a single-chip computer integrating a CPU core, program memory (Flash), data memory (SRAM), and peripherals such as timers, communication interfaces, and GPIO. Within the broader semiconductor hierarchy, an MCU sits below microprocessors (MPUs) in integration: MCUs embed Flash/RAM on-die and target deterministic real-time control, while MPUs rely on external memory and run rich operating systems. The PIC32MX3XX/4XX family specifically bridges 8-bit PIC simplicity with 32-bit MIPS performance. Key features of this part include the M4K MIPS32 core capable of 40 MHz (50 DMIPS/1.56 DMIPS/MHz), 32 KB on-chip Flash, 8 KB SRAM, a 10-bit 1 Msps ADC with up to 16 channels, USB 2.0 full-speed OTG, two UART, and two SPI/I2C peripherals. Industrial temperature grade (-40C to +85C) and 5V-tolerant digital I/O make it suitable for harsh environments. The TQFP-64 footprint exposes all major peripheral pins including PGECx/PGEDx for in-circuit serial programming (ICSP). Architecturally, the PIC32MX3XX/4XX family uses a Harvard architecture with separate Flash and SRAM buses, allowing simultaneous instruction and data fetch. The 32-bit MIPS M4K core executes most instructions in a single cycle and includes a prefetch cache to mask flash wait states. Peripheral DMA is mapped onto master peripherals to offload CPU during high-bandwidth transfers. CodeGuard security is built in for IP protection. Typical applications include USB peripherals, industrial control PLCs, sensor hubs, home automation gateways, and low-cost HMI displays. The combination of USB, ADC, and GPIO density in a single chip reduces BOM and PCB complexity. The wide 2.3 V - 3.6 V supply range simplifies designs using Li-ion or 3.3 V regulated rails. When designing with this device, ensure the trace length between the ICSP connector and the PGECx/PGEDx pins remains short for stable programming/debug. Decouple VDD with a 0.1 uF ceramic near each power pin. Do not exceed 3.6 V on any supply pin; digital inputs are 5V-tolerant but analog references must respect VDD. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC32MX320F032H-40V/MR - 32-bit MIPS MCU 32KB Flash 40MHz | Microchip
PIC32MX320F032H-40V/MR

PIC32MX320F032H-40V/MR - 32-bit MIPS MCU 32KB Flash 40MHz | Microchip

The Microchip Technology PIC32MX320F032H-40V/MR is a 32-bit MIPS M4K microcontroller running at 40 MHz with 66 DMIPS, 32 KB of Flash and 8 KB of SRAM, housed in a 64-pin VQFN (9x9 mm) package. The 'V' suffix indicates an operating temperature range of -40 °C to +105 °C, while 'MR' designates the VQFN-64 package supplied in Tube packaging. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (SRAM), and a range of analog and communication peripherals. The PIC32MX3XX/4XX family uses a 5-stage pipelined MIPS32 M4K core with Harvard architecture, MIPS16e code compression for up to 40 % smaller code size, and a single-cycle hardware multiply/divide unit. PIC32MX MCUs occupy the high-performance tier within Microchip's 32-bit portfolio, above the PIC16 (LV) and dsPIC (LV) controller families in raw application complexity and below the SAM (LV) Cortex-M families in ecosystem positioning. Key features include 32 KB Flash, 8 KB SRAM, a 10-bit 1.1 Msps ADC with up to 16 channels, USB 2.0 full-speed On-The-Go (OTG), two I²C, two SPI, two UART modules, five 16-bit timers, and a parallel master port (PMP) for external bus interfaces. The device supports 53 digital I/O pins and operates from 2.3 V to 3.6 V. Integrated DMA (8 channels) and a 5-stage pipeline deliver deterministic interrupt response for real-time tasks. The PIC32MX320F032H is suitable for industrial automation, USB peripherals, consumer electronics, motor control, and human-machine interface (HMI) applications. Design consideration: the part requires a 3.3 V regulator, decoupling per VDD/VSS pair, and proper trace routing for the 50 MHz USB DP/DM differential pair to meet USB 2.0 signal-integrity requirements.

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PIC32MX320F032HT-40I/MR - 32-bit MCU 40MHz 32KB Flash 64-VQFN
PIC32MX320F032HT-40I/MR

PIC32MX320F032HT-40I/MR - 32-bit MCU 40MHz 32KB Flash 64-VQFN

The Microchip PIC32MX320F032HT-40I/MR is a 32-bit MIPS32 M4K PIC microcontroller operating at 40 MHz with 32 KB Flash and 8 KB RAM in a 64-pin VQFN (9x9 mm) package. It integrates a 10-bit ADC, multiple timers, UART/SPI/I2C peripherals, and USB 2.0 full-speed capability, making it a compact general-purpose MCU for embedded designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and programmable I/O peripherals. PIC32MX devices are positioned in Microchip's portfolio between 8-bit PIC16/PIC18 MCUs and higher-end Cortex-M parts, offering 32-bit MIPS32 M4K performance at cost points closer to 16-bit MCUs. The PIC32MX3xx/4xx family targets general-purpose embedded applications and USB connectivity, with the PIC32MX320 sub-family specifically offering a balance of small footprint and USB full-speed on-chip transceiver. Key features include 32 KB Flash program memory, 8 KB SRAM, a 10-bit ADC with up to 16 channels, four 16-bit timers/counters, two UART modules, two SPI interfaces, two I2C modules, USB 2.0 full-speed device/host/OTG, a real-time clock calendar (RTCC), and 53 general-purpose digital I/O pins. The integrated USB transceiver eliminates the need for external PHY components in many designs, reducing BOM cost and PCB area. The MIPS32 M4K core supports the MIPS16e instruction set for code density improvements. Architecture is based on the MIPS32 M4K core with 5-stage pipeline, hardware multiply/divide, and a deterministic interrupt controller. The device operates from 2.3V to 3.6V, supports industrial temperature range (-40C to +85C for the I-suffix), and provides a JTAG/2-wire programming/debug interface via ICSP. The 64-VQFN (MR) package uses an exposed pad for thermal dissipation. Typical applications include USB peripherals (HID, CDC, mass storage), industrial control modules, consumer electronics, data loggers, and home appliances. The combination of integrated USB, generous RAM for USB buffers, and small 9x9 mm QFN makes it well suited to space-constrained designs that need USB connectivity without external PHY cost. When designing with this part, plan for a stable 3.3V supply (USB transceiver has tight tolerance requirements), keep the USB DP/DM traces length-matched and 90-ohm differential impedance, and ensure the exposed pad has adequate thermal vias. Configuration bits must be set before code execution; Microchip's MPLAB X IDE and Harmony framework provide code generation to streamline this. This page synthesizes distributor pricing, same-package drop-in alternatives within the PIC32MX family, and practical design considerations not consolidated in the manufacturer datasheet.

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