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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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PIC32MX320F032HT-40V/PT - 32-bit MCU, 40MHz, 32KB Flash | Microchip
PIC32MX320F032HT-40V/PT

PIC32MX320F032HT-40V/PT - 32-bit MCU, 40MHz, 32KB Flash | Microchip

The Microchip Technology PIC32MX320F032HT-40V/PT is a 32-bit MIPS MCU from the PIC32MX3XX/4XX family, integrating a MIPS32 M4K core running at 40 MHz with 32 KB Flash and 8 KB SRAM in a 64-pin TQFP (10x10 mm) package. It operates from 2.3V to 3.6V, includes a 10-bit ADC, DMA controller, and supports an extended temperature range of -40C to +105C for industrial use. A 32-bit microcontroller (MCU) is a single-chip computer that integrates a 32-bit processor core, program memory (Flash), data memory (RAM), and peripherals (ADC, timers, communication interfaces). The PIC32MX320 belongs to the broader taxonomy of embedded microcontrollers -> 32-bit MCUs -> MIPS-based MCUs -> Microchip PIC32 family -> PIC32MX3XX/4XX sub-family, and is positioned as an entry-level 32-bit MCU with USB-disabled silicon for cost-sensitive applications. Key features include 32 KB on-chip Flash (32K x 8), 8 KB SRAM, a 10-bit 1 Msps ADC with up to 16 channels, a 4-channel DMA controller for peripheral-to-memory transfers, and a multiply/divide unit. Communication peripherals include UART, SPI, I2C, and parallel master port. The TQFP-64 package provides 53 digital I/O pins plus dedicated oscillator, programming/debug, and power pins. The device uses a 5-stage MIPS32 M4K pipeline with hardware multiply/divide and a tightly-coupled peripheral bus. It supports up to 40 MHz system clock (10 MHz input with 4x PLL) and includes JTAG and 2-wire ICSP for in-circuit programming. The DMA engine offloads data movement, enabling efficient ADC sampling, UART buffering, and SPI transfers without CPU intervention. Typical applications include industrial control panels, low-cost consumer devices, USB peripherals (when paired with external PHY in non-USB variants), sensor hubs, and motor control boards. The 32 KB Flash / 8 KB RAM budget suits small RTOS kernels and protocol stacks such as Modbus, MQTT-SN, and proprietary fieldbus. When designing with this part, note the 2.3V-3.6V supply constraint - typical 3.3V rails are required. Decouple VDD/VSS pairs with 0.1 uF and 10 uF capacitors placed within 5 mm of the pins. Use the PGECx/PGEDx pair (or JTAG) for programming and route traces under 50 mm for reliable ICSP. This page synthesizes distributor pricing from 7 sources, drop-in alternatives from the same PIC32MX family, and practical design notes not consolidated in the manufacturer datasheet.

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PIC32MX320F064H-40V/MR - 32-Bit MCU 64KB Flash 40MHz | Microchip
PIC32MX320F064H-40V/MR

PIC32MX320F064H-40V/MR - 32-Bit MCU 64KB Flash 40MHz | Microchip

The Microchip PIC32MX320F064H-40V/MR is a 32-bit MIPS32 M4K microcontroller running at 40 MHz with 64 KB Flash and 16 KB SRAM, housed in a 64-pin VQFN (9x9 mm) package. The 'V' suffix indicates the -40C to +105C operating-temperature grade, and the 'MR' suffix denotes the 64-pin VQFN package and tape-and-reel delivery. The device integrates a 10-bit ADC with DMA support, making it a drop-in member of the PIC32MX3xx/4xx general-purpose 32-bit Flash MCU family. A PIC32MX3xx/4xx family MCU is a 32-bit RISC microcontroller based on the MIPS32 M4K core, typically used as a high-performance upgrade path from PIC24/PIC32MX1xx/2xx devices. It belongs to the broader hierarchy of microcontroller -> embedded MCU -> RISC processor -> semiconductor. The PIC32MX family typically includes USB, CAN, and Ethernet peripherals in higher pin-count packages, and offers significantly more RAM and processing headroom than 8-bit PIC microcontrollers for graphics, connectivity, and DSP-style signal processing. Key features of the PIC32MX320F064H-40V/MR include a 40 MHz MIPS32 M4K core delivering 1.5 DMIPS/MHz, 64 KB (64K x 8) Flash program memory, 16 KB SRAM data memory, a 10-bit ADC with up to 16 channels, and parallel 16-bit I/O ports. The 64-VQFN package is the largest in the family, exposing all peripherals and most remaining quad signals for full-featured industrial and consumer designs. DMA (Direct Memory Access) support offloads data movement between peripherals and memory. The device also includes multiple UART, SPI, and I2C peripherals typically found across the PIC32MX3xx family. The architecture uses a Harvard-style memory organization with separate program Flash and data SRAM buses, plus a peripheral bus that supports DMA. The 10-bit ADC is a successive-approximation type rated at 400 ksps secondary aggregate. PPS offers predictable interrupt latency by prioritizing critical interrupts through configurable priorities. The +105C operating-temperature grade is suitable for industrial environments and automotive under-hood applications not requiring AEC-Q100 qualification. Typical applications include industrial control interfaces, low-cost graphical operator panels, USB device bridges, and general-purpose 32-bit embedded platforms. Designers choose the PIC32MX320F064H-40V/MR when they need full 64-pin peripheral access plus industrial-temperature operation in a compact 9x9 mm VQFN, with Microchip's MPLAB X IDE toolchain support. For new designs, verify the exact pin count, ADC count, peripheral wiring, and I/O count via 70 via 1.5 mm sq wires via pin-removal. For new designs, see the family datasheet (DS61143) on Microchip's website for full pin-out, memory map, and DMA resource allocation. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC32MX320F064H-40V/PT - 32-bit MCU 64KB Flash 40MHz TQFP-64 | Microchip
PIC32MX320F064H-40V/PT

PIC32MX320F064H-40V/PT - 32-bit MCU 64KB Flash 40MHz TQFP-64 | Microchip

The Microchip PIC32MX320F064H-40V/PT is a 32-bit MIPS32 M4K microcontroller featuring 64 KB of Flash memory, 16 KB of SRAM, and a maximum CPU speed of 40 MHz, housed in a 64-pin TQFP (10x10x1 mm) package. It integrates a 10-bit ADC with up to 16 channels, a DMA controller, and USB 2.0 full-speed OTG, making it suitable for connected embedded designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (SRAM), and a rich set of peripherals on one die. PIC32MX3XX/4XX MCUs use the MIPS32 M4K core, the 32-bit evolution of Microchip's classic PIC16/PIC24 architecture, providing 1.5 DMIPS/MHz performance and MIPS DSP extensions. Within Microchip's product hierarchy, the PIC32MX3XX family sits between the 16-bit PIC24 and the 80 MHz PIC32MX5/6/7 families. Key features include 64 KB Flash (64K x 8), 16 KB SRAM, USB 2.0 full-speed OTG with on-chip transceiver, 10-bit 1 Msps ADC with 16 channels, two I2C/SPI/UART peripherals, five 16-bit timers/counters, and a Parallel Master Port for external memory. The Industrial/Extended temperature grade ('V' suffix) supports -40C to +105C ambient operation, while the '40' speed grade limits operation to 40 MHz at 2.3V-3.6V. The architecture combines separate 32-bit instruction and data paths with a 5-stage pipeline and a hardware multiply/divide unit, achieving 1.5 DMIPS/MHz. The DMA controller moves data between peripherals and RAM without CPU intervention, freeing the core for application code. The integrated USB 2.0 OTG controller includes the on-chip transceiver and pull-up resistors, removing the need for an external PHY. Typical applications include USB peripherals, industrial control, low-cost graphics HMI, embedded web servers, and consumer audio devices. The combination of USB OTG, DMA, and 10-bit ADC makes this MCU particularly well-suited for connected sensor hubs and low-bandwidth data loggers. When designing with this device, ensure your 40 MHz system clock stays within the 2.3V-3.6V supply range and follow Microchip's datasheet reference design for the on-chip USB transceiver PCB layout. Also budget for the 5 KB Flash and 4 KB SRAM reserved by the USB bootloader if you intend to use In-Circuit Serial Programming (ICSP). This page synthesizes distributor pricing, drop-in same-package alternatives from the PIC32MX family, and practical design notes not found in the manufacturer datasheet - including thermal derating for the TQFP-64 package and DMA channel assignment strategies.

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PIC32MX320F064HT-40I/MR - 32-bit MCU, 64KB Flash, 40MHz, VQFN-64 | Microchip
PIC32MX320F064HT-40I/MR

PIC32MX320F064HT-40I/MR - 32-bit MCU, 64KB Flash, 40MHz, VQFN-64 | Microchip

The Microchip Technology PIC32MX320F064HT-40I/MR is a 32-bit MIPS M4K microcontroller integrating 64 KB of Flash program memory, 16 KB of SRAM, and a 40 MHz CPU core in a 64-pin 9x9 mm VQFN package with exposed thermal pad. It operates from a 2.3 V to 3.6 V supply and exposes a 10-bit ADC along with the rich PIC32MX3xx/4xx peripheral set including USB, I2C, UART, SPI, PMP, RTCC, and five 16-bit timers. The 'T' suffix indicates tape and reel packaging and the 'I' suffix indicates the industrial -40C to +85C operating temperature range. A PIC32MX3xx/4xx microcontroller belongs to the MIPS M4K 32-bit MCU family from the larger RISC microcontroller category of embedded microcontrollers, which are integrated circuits that combine a CPU core, program memory, RAM, and configurable peripherals on a single die. These 32-bit parts are typically used in industrial control, USB connectivity, graphical user interfaces, and audio processing - where they provide a substantial performance increase and address space over 8-bit and 16-bit predecessors while keeping C-friendly development tools and a familiar MPLAB ecosystem. Key features of this device include 64 KB single-cycle Flash, 16 KB SRAM, 40 MHz / 50 DMIPS core, hardware multiply/divide, 16-channel 10-bit 500 ksps ADC, two I2C, two UART, two SPI, USB 2.0 full-speed device/host/OTG, 53 general-purpose I/O, CTMU touch support, RTCC, five 16-bit timers, and a parallel master port for graphics or external memory. The 64-pin VQFN (9x9 mm) footprint exposes up to 53 I/O and four dedicated high-drive pins for direct LED or MOSFET drive. The industrial temperature grade (-40C to +85C) makes it suitable for non-automotive harsh environments. Architecturally, the PIC32MX320 is a Harvard-style MIPS32 core with separate instruction and data buses feeding unified SRAM via tightly-coupled prefetch modules. The Flash controller is dual-panel and supports runtime self-programming, enabling in-field firmware updates without external bootloader memory. A dedicated DMA engine with four channels can offload ADC and SPI transfers, freeing the CPU for application code and yielding deterministic interrupt latency. Typical uses include internal household appliances, industrial automation HMI, USB peripherals (HID, CDC, mass storage), point-of-sale terminals, and low-cost audio processing. The combination of USB 4.0 OTG, 53 I/O, and graphics-capable PMP makes it a strong fit for color TFT panels and segmented LCDs up to 132 segments. Designers working in this room should budget parallel bus capacitance; PIC18C0 does not have a parallel bus-width buffer, so careful rail traffic-shaping is needed if powering both large blocks simultaneously. When designing with this device, allocate a 1uF ETS-style bulk capacitor plus 100nF SPICE decoupling pair within 5 mm of every VDD/VSS pin pair, and use the exposed pad for robust peripheral connectivity. The CN/RB pins double as change-notification sources; leaving them floating at boot can cause spurious interrupts.

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PIC32MX320F064HT-40I/PT - 64KB Flash 40MHz 32-bit MCU | Microchip
PIC32MX320F064HT-40I/PT

PIC32MX320F064HT-40I/PT - 64KB Flash 40MHz 32-bit MCU | Microchip

The Microchip PIC32MX320F064HT-40I/PT is a 32-bit MIPS M4K microcontroller running at 40 MHz with 64 KB of Flash program memory and 16 KB of SRAM, housed in a 64-pin 10x10 mm TQFP (PT) package. The "HT" designator indicates a tape-and-reel surface-mount variant of the 320F064H family. The device delivers up to 53 general-purpose I/O pins, multiple UART/SPI/I2C peripherals, a 10-bit ADC, USB, and a 16-bit timer/capture/compare/PWM module, all integrated in a low-cost industrial-grade part. A 32-bit microcontroller (MCU) is an integrated circuit containing a CPU core, program memory, data RAM, and configurable peripherals on a single die. PIC32MX parts use the MIPS32 M4K core, which combines 32-bit ALU performance with a 16-bit instruction encoding to keep code density competitive with 8/16-bit architectures. Within the hierarchy, the PIC32MX320F064HT belongs to PIC32MX3xx/4xx family -> PIC32MX family -> PIC32 microcontroller family -> 32-bit MCU -> microcontroller -> embedded processor -> semiconductor. The 32-bit class dominates wherever deterministic interrupt latency, Ethernet USB access for audio, or 32-bit arithmetic on bitstreams matters for engineers. Key features include 64 KB (64K x 8) Flash program memory, 16 KB SRAM, a 10-bit 16-channel ADC capable of 500 ksps, two UART, two SPI, and two I2C peripherals, plus a USB 2.0 full-speed OTG controller and a Parallel Master Port (PMP) for external bus peripherals. The part operates from 2.3 V to 3.6 V and supports an industrial temperature range of -40 °C to +85 °C. The 40 MHz core delivers approximately 41 DMIPS, enough to host DSPs in audio consumer applications. Architecturally, the PIC32MX320F064HT employs the MIPS M4K 5-stage pipeline core, separate 16 KB instruction and 16 KB data Flash regions, and a 4-channel DMA controller for offloading peripheral transfers. The USB OTG and PMP peripherals make it suitable for decoupling analog and digital grounds where appropriate to maximize ADC performance. Typical applications include USB peripherals (HID, CDC, mass storage), industrial control and sensing nodes, low-cost graphics terminals using PMP, audio consumer accessories, and home automation bridges. The wide peripheral mix and small package suit designs where board space is constrained. When designing with this part, ensure the 0.1 V PVD-controlled BOR threshold is matched to the bus supply range; incorrect settings can leave the part in brown-out during supervisor MPU/sleep transitions. The PIC32MX320F064HT-40I/PT also requires a 64-bit 32-pin bus of PIC32MX270F512LT-I/PT connectivity in high-noise USB environments, which should be monitored for stable MPU operation.

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PIC32MX320F064HT-40V/MR - 32-bit 64KB Flash 40 MHz MCU | Microchip
PIC32MX320F064HT-40V/MR

PIC32MX320F064HT-40V/MR - 32-bit 64KB Flash 40 MHz MCU | Microchip

The Microchip Technology PIC32MX320F064HT-40V/MR is a 32-bit MIPS32 M4K PIC32MX-series microcontroller featuring 64 KB of Flash program memory, 16 KB of RAM, and a 40 MHz core clock, housed in a 64-lead 9x9 mm VQFN package with tape and reel packaging. It supplies ten performance-grade 10-bit ADC channels with DMA support, designed for 16-bit MCU applications at the broadest band of cost-sensitive embedded industrial systems. A PIC32 MCU is part of the MIPS32 M4K microarchitecture family, which combines a 32-bit RISC instruction set, deterministic interrupt-on-chip features, and peripheral-rich connectivity targeting embedded systems where 16-bit MCU migration to bit-parallel circuit design is critical. PIC32MX3xx/4xx devices fill the role of 32-bit microcontrollers -> 32-bit RISC MCUs -> microcontrollers -> integrated circuits, with the M4K core enabling hardware multiply/divide and single-cycle bit manipulation for deterministic control loops. This family bridges 16-bit MCU range with 32-bit performance, maintaining code-density portability across the bit-mixed-silicon ecosystem. Key features include 64 KB Flash program memory, 16 KB SRAM, 40 MHz operating frequency with 80 MHz equivalent MIPS performance, 53-channel 10-bit ADC with DMA support, USB 2.0 full-speed OTG, two I2C ports, two UART ports, two SPI ports, and one PMP parallel master port. The 40V operating temperature suffix designation indicates -40C to +105C industrial extended grade, supporting both compliance and environmental certification parameters. The 64-VQFN 9x9 mm exposed pad package provides a thermal resistance suitable for 32-bit MCU applications at the broadest band of industrial-grade operating conditions. The PIC32MX320F064H utilizes a MIPS32 M4K RISC core with Harvard architecture, 5-stage pipeline, and hardware multiply/divide unit, achieving 1.56 DMIPS/MHz. The architecture includes dual-bus Flash and SRAM memories with prefetch cache, enabling deterministic interrupt response. The peripheral set integrates USB 2.0 full-speed OTG with on-chip transceiver, parallel master port for external memory, and configurable input pin selector for flexible signal assignment. The variant is also used by 32-bit emitter/cellular IoT application areas where 16-bit slice-and-mixed circuit logic is highly analog-friendly. Typical applications include industrial control systems with PM88698 application board, USB OTG peripheral controllers with HU88698 host board, automotive body area, consumer-network equipment, and multi-protocol protocol plugins. The 64-VQFN hardware permits 16-bit hardware-grade circuits and uses 10-bit hardware-grade means for industrial-grade hardware-priced embedded industrial applications. When designing with this device, ensure 10-bit hardware-grade means of 3.3V hardware-grade signals work for 53-bit hardware-grade pins of 10-bit hardware-grade modes for industrial-grade hardware-priced embedded industrial applications. The HT suffix indicates tape and reel packaging with industrial extended temperature grade, fulfilling hardware-margin for hardware-priced embedded hardware margins.

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PIC32MX320F064HT-40V/PT - 40MHz 32-bit MCU, 64KB Flash | Microchip
PIC32MX320F064HT-40V/PT

PIC32MX320F064HT-40V/PT - 40MHz 32-bit MCU, 64KB Flash | Microchip

The Microchip PIC32MX320F064HT-40V/PT is a 32-bit MIPS M4K microcontroller running up to 40 MHz, integrating 64 KB of Flash and 16 KB of SRAM, packaged in a 64-pin TQFP (10x10 mm). The device features a 10-bit ADC, DMA controller, USB 2.0 full-speed OTG, and a rich peripheral set including UART, SPI, I2C, and PMP, targeting cost-sensitive embedded designs. A microcontroller (MCU) is a single-chip computer integrating a CPU core, non-volatile program memory (Flash), volatile working memory (SRAM), and on-die peripherals (ADC, timers, communication controllers). Within the broader taxonomy, a microcontroller is a type of embedded processor -> microprocessor -> semiconductor IC. The PIC32MX family bridges 8/16-bit PIC MCU designs to full 32-bit performance with MIPS architecture, while remaining compatible with MPLAB X IDE and the PIC32 peripheral library for migration from older PIC24/PIC32 projects. Key specifications include 40 MHz core clock (50 MHz capable variants exist in the family), 64 KB Flash (64K x 8), 16 KB SRAM, a 10-bit 1 MSps ADC with up to 16 channels, two I2C, two SPI, two UART, a Parallel Master Port (PMP) for graphics/parallel memory, and a USB 2.0 Full-Speed On-The-Go transceiver. The 'V' suffix denotes the 2.3-3.6 V extended operating range, while 'H' denotes TQFP package, and 'T' suffix denotes Tape & Reel. Typical applications include USB peripherals (HID, CDC, mass storage), low-cost graphical HMI with PMP-driven TFTs, industrial control with sensor acquisition via the 10-bit ADC, consumer appliances, and educational/development boards. The 64-pin TQFP footprint is breadboard-friendly and the part is supported by the MPLAB Harmony framework for rapid firmware development. When designing, ensure the USB D+/D- traces are routed as a 90 ohm differential pair, place decoupling capacitors within 3 mm of every VDD/VSS pair, and leave the AVDD pin supplied from a ferrite-filtered analog LDO for clean ADC measurements. JTAG/ICSP programming headers should be reserved for in-field firmware updates.

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PIC32MX320F064HT-80I/PT - 80MHz 32-bit MCU 64KB Flash | Microchip
PIC32MX320F064HT-80I/PT

PIC32MX320F064HT-80I/PT - 80MHz 32-bit MCU 64KB Flash | Microchip

The Microchip Technology PIC32MX320F064HT-80I/PT is a 32-bit MIPS M4K microcontroller operating from 64KB on-chip program memory and 16KB SRAM, housed in a 64-pin TQFP (10x10 mm) surface-mount package. The device runs at 80 MHz core clock with 80 MHz peripheral bus, integrates 64 KB (64K x 8) Flash and 16 KB RAM, and features a 10-bit ADC with multiple channels for mixed analog/digital embedded designs. A 32-bit microcontroller (MCU) is a programmable processor that integrates CPU core, Flash program memory, SRAM, and peripherals on one silicon die; PIC32MX MCUs add 32-bit MIPS M4K RISC performance to Microchip's PIC architecture, sitting between 8-bit PIC16/PIC18 and the higher-end PIC32MZ families in the microcontroller hierarchy: 32-bit MCU -> embedded processor -> microcontroller -> semiconductor. PIC32MX targets cost-effective 32-bit control and connectivity rather than high-end graphics. Key features include 80 MHz core / 80 MHz peripheral bus, 64 KB Flash, 16 KB SRAM, USB 2.0 Full-Speed device/host/OTG controller, up to 53 general-purpose I/O pins, 10-bit 1 Msps ADC with up to 16 channels, four 16-bit timers/counters, two UART modules, two SPI interfaces, and two I2C ports. Industrial-grade temperature range is -40C to +85C, suitable for commercial and light industrial deployments. Architecturally, the PIC32MX320F064H silicon implements the MIPS32 instruction set and supports Microchip's MPLAB Harmony and legacy MPLAB C32 toolchains. The 'T' suffix in the part number denotes tape-and-reel packaging, and '-80I' denotes 80 MHz speed grade with industrial temperature range; pin assignments are compatible across the PIC32MX3xx/4xx 64-pin TQFP family. Typical applications include USB peripherals (HID, CDC, mass storage), industrial control panels, low-end HMI and graphic TFT display controllers, motor control front-ends, sensor aggregation gateways, and consumer embedded devices requiring 32-bit headroom with PIC ecosystem familiarity. When developing with the PIC32MX320F064HT-80I/PT, observe the 2.3 V to 3.6 V supply range and provide adequate decoupling near each VDD/VBAT pin. For USB applications, follow Microchip's USB hardware design guidelines for PCB layout and impedance-controlled routing. This page synthesizes distributor pricing, pin-compatible drop-in alternatives across the PIC32MX family, and practical design notes not found in the standalone manufacturer datasheet, giving engineers a one-stop decision reference.

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PIC32MX320F064HT-80V/MR - 32-bit MCU 64KB Flash 80MHz | Microchip
PIC32MX320F064HT-80V/MR

PIC32MX320F064HT-80V/MR - 32-bit MCU 64KB Flash 80MHz | Microchip

The Microchip Technology PIC32MX320F064HT-80V/MR is a 32-bit RISC microcontroller based on the MIPS32 M4K core, featuring 64KB of Flash program memory and 16KB of SRAM, operating at up to 80 MHz in a 64-pin VQFN (9x9 mm) package with exposed thermal pad. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, peripherals, and I/O into one device. The PIC32MX family occupies the 32-bit performance tier of Microchip's PIC portfolio, positioned between the 8-bit PIC16/PIC18 line and the higher-end 32-bit PIC32MZ series, and typically used in embedded control, USB device, and graphics applications that exceed 8-bit capability but do not require DSP extensions. Key features include a MIPS32 M4K 32-bit core with 5-stage pipeline, 80 MHz maximum operating frequency yielding 1.56 DMIPS/MHz performance, 64KB Flash with self-programming support, 16KB SRAM, a 10-bit 1 MSPS analog-to-digital converter with up to 16 channels, USB 2.0 full-speed device/host/OTG controller, two I2C, two SPI, and two UART modules, plus a Parallel Master Port for external memory or graphics interfaces. The architecture uses a 5-stage pipeline with separate instruction and data Flash buses to deliver 1.56 DMIPS/MHz, enabling deterministic interrupt response for real-time control loops. The integrated USB 2.0 full-speed On-The-Go controller supports both device and host roles without an external PHY, while the Peripheral Pin Select (PPS) remapping allows flexible assignment of digital peripherals to physical I/O pins. Typical applications include industrial control and HMI panels, USB peripherals such as barcode scanners and HID devices, embedded data acquisition systems, low-cost graphics terminals driving TFT LCDs, and consumer electronics requiring 32-bit performance with low BOM cost. Designers should note that the '80V' suffix indicates the 80 MHz speed grade with V temperature range (-40C to +105C), and the 'T' suffix denotes Tape and Reel packaging. The MR suffix indicates the 64-pin VQFN package, while the parallel PIC32MX320F064H-80V/MR ships in tray packaging. The MR package requires careful thermal pad soldering and 0.5 mm pad pitch layout discipline. This page synthesizes distributor pricing, drop-in same-package alternatives, and design notes drawn from the PIC32MX3XX/4XX family datasheet - information not consolidated on any single distributor or manufacturer page.

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