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PIC32MX340F128HT-80I/MR - 80MHz 32-bit MCU 128KB Flash | Microchip
PIC32MX340F128HT-80I/MR

PIC32MX340F128HT-80I/MR - 80MHz 32-bit MCU 128KB Flash | Microchip

The Microchip Technology PIC32MX340F128HT-80I/MR is a 32-bit MIPS M4K microcontroller running up to 80 MHz, with 128 KB of Flash and 32 KB of SRAM, housed in a 64-pin QFN (MR) package rated -40C to +85C. It operates from 2.5 V to 3.6 V and offers 53 digital I/O pins plus dedicated analog and communication peripherals. What is a 32-bit microcontroller? A 32-bit MCU is an embedded processor with a 32-bit wide data path, internal Flash for program storage, and SRAM for runtime data, plus integrated peripherals such as ADC, timers, UART, SPI, and I2C. The PIC32MX3xx family sits in the hierarchy: microcontroller -> 32-bit MCU -> MIPS M4K core -> PIC32MX sub-family -> power-conscious industrial/consumer devices. Compared to 8-bit/16-bit MCUs, a 32-bit core executes arithmetic and DSP-like operations in fewer cycles, supporting higher-throughput control loops, USB stacks, and graphical user interfaces. Key features of the PIC32MX340F128HT-80I/MR include a 10-bit ADC with up to 16 channels and 1 Msps conversion rate, two I2C, two SPI, two UART interfaces, five 16-bit timers/counters, a Parallel Master Port (PMP) for graphics or external memory, and a real-time clock-calendar with external 32 kHz crystal support. The device integrates a JTAG debug port and trace interface aligned with the MIPS debug specification, and offers multiple power-saving modes such as Idle, Sleep, and deep Sleep. Architecturally, the chip combines a single-cycle MIPS32 M4K integer core with a 5-stage pipeline, prefetch cache controller, and a multi-vector interrupt controller. The 128 KB Flash is split into program Flash and a separate boot Flash region for safe firmware updates, and the 32 KB SRAM is accessible as a unified data space. The peripherals are routed to the pins through Microchip's Peripheral Pin Select (PPS) subsystem on select lines, giving flexibility to remap digital functions. Typical applications include industrial control and HMI panels, USB device/host peripherals, sensor aggregation nodes, low-cost graphics terminals, motor control and lighting controllers, and battery-powered consumer devices with USB connectivity. The 64-pin QFN footprint suits space-constrained boards that still need substantial GPIO and analog channels. When designing, ensure the supply is decoupled with 100 nF plus bulk capacitance, keep analog traces short and away from switching nodes, and route the 8 MHz primary crystal within 5 mm of the OSCI/OSCO pads with a guard ring. For low-power designs, use Sleep mode aggressively and gate peripherals via the on-chip peripheral disable registers to minimize quiescent draw. This page consolidates current distributor pricing, drop-in same-package alternatives, application guidance, and design notes beyond the manufacturer datasheet, giving procurement and engineering teams a single source for evaluation and BOM decisions.

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PIC32MX340F128HT-80V/MR - 32-bit MCU 128KB Flash 80MHz 64-VQFN | Microchip
PIC32MX340F128HT-80V/MR

PIC32MX340F128HT-80V/MR - 32-bit MCU 128KB Flash 80MHz 64-VQFN | Microchip

The Microchip Technology PIC32MX340F128HT-80V/MR is a 32-bit MIPS32 M4K PIC microcontroller with 128KB Flash, 32KB SRAM, and a 80MHz core speed, housed in a 64-pin VQFN (9x9 mm) package with exposed thermal pad. This automotive-grade (-40C to +105C operating range, V = "-V" suffix) variant integrates a 10-bit ADC, DMA controller, and 53 programmable I/O lines, making it a drop-in member of Microchip's PIC32MX3XX/4XX family. What is a PIC32MX microcontroller? A PIC32MX is a 32-bit MIPS-based microcontroller (MCU) from Microchip's PIC family, sitting hierarchically under: MCU -> microcontroller -> microcontroller IC -> embedded processor. The PIC32MX series replaced earlier 8-bit and 16-bit PIC architectures, delivering MIPS32 M4K core performance with the extensive PIC peripheral ecosystem (ADC, UART, SPI, I2C, USB, CAN on some variants) and MPLAB X IDE compatibility. The "MX340" sub-family is positioned as a general-purpose 80MHz line with USB 2.0 full-speed OTG, 16-bit timers, and up to 128KB Flash. Key features include: 128KB (128K x 8) Flash program memory, 32KB SRAM, 80MHz maximum CPU clock with 1.56 DMIPS/MHz performance, 10-bit ADC with up to 16 channels, integrated DMA controller for offloading CPU data movement, and 53 digital I/O pins. The 64-VQFN (9x9 mm) package provides a compact thermal-enhanced footprint for space-constrained designs. The PIC32MX340F128HT uses Microchip's MIPS32 M4K core with 5-stage pipeline and hardware multiply/divide. The 'T' suffix denotes tape-and-reel packaging; the 'V' suffix denotes the -40C to +105C automotive temperature grade. The exposed pad (EP) on the VQFN-64 package must be soldered to a thermal pad on the PCB for proper heat dissipation and electrical grounding. Typical applications include industrial automation controllers, USB peripherals, automotive body and HMI modules, medical monitoring devices, and consumer electronics. The 10-bit ADC, DMA, and rich peripheral set also suit sensor-fusion IoT nodes, motor-control front-ends, and human-machine interface panels. When designing with this part, note that the 'V' automotive temperature grade (-40C to +105C) is required for AEC-Q100-style applications; otherwise choose the 'I' industrial grade (-40C to +85C). Ensure the exposed pad is properly soldered for thermal performance. This page consolidates distributor pricing, drop-in alternatives within the PIC32MX family, and practical design notes that go beyond the manufacturer datasheet, helping engineers source, compare, and qualify the PIC32MX340F128HT-80V/MR efficiently.

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PIC32MX340F128HT-80V/PT - 80 MIPS MCU, 32-bit, 128KB Flash, 64-TQFP | Microchip
PIC32MX340F128HT-80V/PT

PIC32MX340F128HT-80V/PT - 80 MIPS MCU, 32-bit, 128KB Flash, 64-TQFP | Microchip

The Microchip PIC32MX340F128HT-80V/PT is a 32-bit MIPS M4K microcontroller operating at up to 80 MHz (80 MIPS), integrating 128 KB of Flash program memory and 32 KB of SRAM, and packaged in a 64-pin TQFP (10x10x1 mm). It is part of the PIC32MX3xx/4xx family that targets cost-effective 32-bit migration paths for designs previously implemented on PIC24/dsPIC. A 32-bit microcontroller (MCU) is an integrated microprocessor core plus RAM, non-volatile program memory, and a rich set of peripherals on a single die. The PIC32MX family is built around the MIPS32 M4K core, which executes the MIPS32 Release 2 instruction set with hardware multiply/divide and a 5-stage pipeline, giving MCU-class parts true 32-bit ALU, pointer, and register width at clock rates competitive with mid-range ARM Cortex-M3 devices. PIC32MX devices occupy the bridge between 8/16-bit MCU families and high-performance Cortex-M parts. Key features of the PIC32MX340F128HT-80V/PT include 53 general-purpose I/O pins, a 10-bit ADC with 16 channels and 1 Msps conversion rate, four 5-pin timers/counters, two I2C and two SPI/UART peripherals, an integrated DMA controller with 4 channels, and a full-speed USB 2.0 device/host/OTG controller. The 'V' speed grade denotes 80 MHz operation at the industrial -40C to +105C operating range, making the part suitable for harsher thermal environments than the standard 'I' grade. Typical applications include USB peripherals (HID, CDC, mass storage, audio), industrial control and HMI panels, graphical LCD controllers, low-cost graphical user interfaces, embedded dataloggers, and motor-control front-ends. The combination of integrated USB, DMA, generous RAM, and the MIPS performance headroom lets designers drop in PIC32MX parts where an 8-bit MCU falls short on throughput but where Cortex-M cost targets are still out of scope. When designing with this device, place 0.1 uF decoupling capacitors within 5 mm of every VDD/VBUS pin, route the 8 MHz primary oscillator traces as short as possible, and configure the unused I/O as analog to minimize current. The 'V' industrial temperature grade should be selected when the end product will operate above +85C ambient. This page synthesizes distributor pricing, drop-in PIC32MX family alternatives, and practical design notes that are not consolidated in the manufacturer datasheet, helping engineers and procurement teams evaluate second-source and footprint-compatible options more efficiently.

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PIC32MX340F128L-80I/BG - 32-bit 80MHz MCU, 128KB Flash, 121-TFBGA
PIC32MX340F128L-80I/BG

PIC32MX340F128L-80I/BG - 32-bit 80MHz MCU, 128KB Flash, 121-TFBGA

The Microchip Technology PIC32MX340F128L-80I/BG is a 32-bit MIPS microcontroller from the PIC32MX3XX/4XX family, featuring an 80 MHz MIPS32 M4K core, 128 KB of Flash program memory, and 32 KB of SRAM, packaged in a 121-ball TFBGA (10x10 mm). It integrates a 10-bit ADC, USB 2.0 full-speed On-The-Go, CAN 2.0b, and a wide range of peripherals designed for connected embedded applications. A 32-bit microcontroller (MCU) is an integrated circuit that combines a high-performance processor core, program memory, data memory, and a rich peripheral set on a single die. PIC32MX MCUs leverage the MIPS32 instruction set with 5-stage pipeline and hardware multiply/divide, positioning them in the same performance tier as early ARM Cortex-M3 devices while offering Microchip's MPLAB development ecosystem. The 80 MHz core delivers 105 DMIPS, giving PIC32MX340F128L more than 2x the throughput of 16-bit PIC24/dsPIC parts at similar clock rates. Key features of this part include 53 general-purpose I/O pins, 5 16-bit timers/counters, 2 I2C, 2 UART, 2 SPI, 2 CAN, 1 USB OTG, 1 PMP/PSP, and a 16-channel 10-bit ADC with 1 Msps conversion rate. The device operates from 2.5V to 3.6V, supports industrial -40C to +85C temperature range (I-grade), and provides two 32-bit shadow register sets for fast context switching in RTOS environments. Architecturally, the PIC32MX340F128L uses a Harvard bus architecture with separate instruction and data paths, MIPS16e code compression for up to 40% smaller program footprint, and a peripheral bus that offloads DMA from the core. The on-chip DMA controller supports 8 channels and can move data between peripherals and RAM without CPU intervention - critical for streaming USB, CAN, and ADC data. Typical applications include industrial control with CAN networking, USB-based data acquisition modules, medical instrumentation requiring 32-bit math, and embedded HMI with PMP-driven LCD. The integrated USB OTG makes it well suited for point-of-sale terminals and portable diagnostic tools that need to enumerate as USB device or host. When designing with this device, plan a 3.3V LDO supply with bulk + bypass capacitance near each VDD/VSS pair. The 121-ball TFBGA requires 4-layer PCB with microvia or via-in-pad for reliable manufacturing; budget for X-ray inspection on production boards. Configure the on-chip LPRC/FRC oscillators and use the PLL only when peripheral timing jitter is critical. This page synthesizes distributor pricing, pin-compatible drop-in alternatives within the PIC32MX family, and practical design notes not found in the manufacturer datasheet alone.

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PIC32MX340F128L-80V/BG - 32-bit MCU, 128KB Flash, 80MHz | Microchip
PIC32MX340F128L-80V/BG

PIC32MX340F128L-80V/BG - 32-bit MCU, 128KB Flash, 80MHz | Microchip

The Microchip PIC32MX340F128L-80V/BG is a 32-bit RISC microcontroller built on the MIPS32 M4K core, operating at 80 MHz, with 128 KB of Flash program memory, 32 KB of SRAM, and a 10-bit ADC, housed in a 121-pin TFBGA (10x10 mm) package. The PIC32MX3XX/4XX family combines 32-bit performance with a rich peripheral set, targeting general-purpose embedded control through advanced audio and connectivity applications. A microcontroller (MCU) is a single-chip computer containing a CPU core, non-volatile program memory (Flash), volatile working memory (SRAM), and integrated peripherals such as ADCs, timers, communication controllers, and GPIO. Within the embedded hierarchy, MCUs sit between discrete logic and full microprocessors (MPUs), offering deterministic real-time control with low system BOM cost. The PIC32MX340F128L-80V/BG specifically belongs to the MIPS-based PIC32 family, which bridges 8/16-bit PIC microcontrollers and 32-bit application processors by delivering MHz-class MIPS performance with Microchip's familiar MPLAB ecosystem. Key features include 128 KB Flash (128K x 8), 32 KB RAM, a 10-bit ADC with DMA support, 53 digital I/O pins, and a 2.5V/3.3V operating voltage range. The internal oscillator and 80 MHz core deliver up to 1.56 DMIPS/MHz instruction throughput, with peripheral pin select providing flexible signal routing. The 121-ball TFBGA package enables high-density board layouts while the industrial temperature grade (-40°C to +105°C) supports automotive and industrial deployments. Typical applications include industrial automation controllers, USB device peripherals, graphics-enabled HMI displays, audio processing nodes, and embedded connectivity gateways. The integrated DMA engine and ample SRAM also suit sensor-fusion front-ends and protocol bridging between CAN, UART, SPI, and I2C networks. Designers should allocate a 0.1 µF decoupling capacitor per power pin and follow Microchip's recommended TFBGA escape pattern. The PIC32MX340F128L-80V/BG requires the MPLAB X IDE and a compatible programmer (PICkit 3/4/5 or ICD) for development. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet, helping engineers accelerate sourcing and PCB layout decisions for PIC32MX-based designs.

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PIC32MX340F128L-80V/PT - 80MHz 32-bit MCU, 128KB Flash | Microchip
PIC32MX340F128L-80V/PT

PIC32MX340F128L-80V/PT - 80MHz 32-bit MCU, 128KB Flash | Microchip

The Microchip Technology PIC32MX340F128L-80V/PT is a 32-bit MIPS M4K-based microcontroller running at 80 MHz, integrating 128 KB of Flash program memory and 32 KB of SRAM into a 100-pin TQFP (12x12 mm) surface-mount package. The device targets general-purpose embedded designs and offers 53 digital I/O, a 10-bit ADC, USB 2.0 full-speed OTG, and a rich set of peripherals including SPI, I2C, UART, PMP, and a 16-bit Parallel Master Port. The "-80V" suffix indicates the 80 MHz speed grade and the V-temp extended operating range of -40C to +105C; the "-80I" counterpart operates -40C to +85C. A 32-bit microcontroller (MCU) is an integrated circuit containing a 32-bit CPU core, on-chip program and data memory, and programmable peripherals, executing instructions from a Harvard-architecture core where program and data buses are separated. 32-bit MCUs sit at the top of the MCU taxonomy: MCU > 32-bit MCU > MIPS/ARM/Cortex > RISC > embedded processor, and they deliver higher code density, faster arithmetic, and more deterministic interrupt latency than 8-bit or 16-bit MCUs. The PIC32 family extends Microchip's legacy PIC instruction set into 32-bit performance while preserving the MPLAB development ecosystem. The PIC32MX340F128L-80V/PT integrates a single-cycle 32x32 hardware multiply/divide unit, supports MIPS16e code compression for up to 40% smaller code size, and provides a 5-stage pipeline that can sustain 105 DMIPS at 80 MHz. On-chip DMA channels offload peripheral transactions from the CPU, and the peripheral pin select (PPS) system remaps digital functions to user-selected I/O pins, simplifying PCB routing. A 16-bit timer/capture/PWM module and an RTCC (Real-Time Clock Calendar) support motor control and timekeeping without external components. Typical applications include USB peripherals (HID, CDC, MSD class devices), industrial control panels, motor control boards, human-machine interfaces (HMIs) with color TFT displays, point-of-sale terminals, and consumer audio products. The 53 I/O pins and 100-pin package make it well suited to mid-complexity designs that exceed the I/O budget of smaller PIC32 parts, while the 128 KB Flash accommodates full USB stacks and graphical user interface libraries. When designing with this MCU, allocate the high-frequency oscillator pins (OSC1/OSC2) close to the IC with a guard ring, keep the Vcap/Vddcore power trace short, and follow the PIC32MX3XX/4XX Family Silicon Errata sheet for any device revision-specific behaviors. Use MPLAB Harmony or MPLAB XC32 to maximize code density via MIPS16e, and validate USB signal integrity with the on-chip 48 MHz PLL configured per the USB clock tree requirements in the datasheet. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes that go beyond the manufacturer datasheet, giving component engineers a faster path to BOM decision and a clear upgrade path within the PIC32MX3/4 family.

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PIC32MX340F128LT-80I/BG - 80MHz MIPS32 128KB Flash MCU | Microchip
PIC32MX340F128LT-80I/BG

PIC32MX340F128LT-80I/BG - 80MHz MIPS32 128KB Flash MCU | Microchip

The Microchip Technology PIC32MX340F128LT-80I/BG is a 32-bit MIPS M4K microcontroller running at 80 MHz with 128 KB of Flash program memory and 32 KB of SRAM, packaged in a 121-ball TFBGA (10x10 mm) surface-mount footprint. It belongs to the PIC32MX3XX/4XX family and provides up to 53 general-purpose I/O pins, a 10-bit ADC, USB 2.0 full-speed OTG, and a rich peripheral set including UART, SPI, I2C, PMP, and 16-bit timers. A 32-bit microcontroller is a single-chip computer that integrates a CPU core, non-volatile program memory, volatile data memory, and configurable I/O peripherals on a single die. PIC32 devices bridge the gap between 8/16-bit PIC microcontrollers and higher-end Cortex-M parts, offering deterministic MIPS performance with familiar MPLAB toolchains. PIC32MX parts sit in the hierarchy: microcontroller -> 32-bit MCU -> MIPS32 architecture -> PIC32 family -> PIC32MX3XX/4XX series, supporting low-to-mid complexity embedded designs with industrial temperature ranges. Key features include 80 MHz core clock (50 MHz for peripherals), 128 KB Flash and 32 KB RAM, USB 2.0 full-speed On-The-Go with integrated transceiver, 16-channel 10-bit ADC with 1 Msps conversion, and a Parallel Master Port (PMP) for graphics or external memory interfacing. The part supports an operating voltage range of 2.3V to 3.6V and industrial-grade temperature range of -40C to +85C. The 'L' suffix denotes the 121-ball TFBGA package, and 'T' designates tape-and-reel packaging. The MIPS M4K core delivers 1.56 DMIPS/MHz and executes most instructions in a single cycle, enabling efficient C code execution via MPLAB XC32 compilers. The integrated USB OTG controller eliminates external PHY chips for embedded host or device applications, while the PMP module drives LCD panels or external bus peripherals without additional glue logic. An 8-channel DMA engine offloads data movement from the core, freeing CPU bandwidth for application logic. Typical applications include USB peripherals (HID, CDC, mass storage), industrial control panels, low-cost graphical HMI with PMP-driven LCDs, sensor data acquisition nodes, and consumer audio devices. Its industrial temperature range and proven PIC32 ecosystem make it well-suited to long-life-cycle embedded products. Design tip: place four-layer PCB with continuous GND pour beneath the TFBGA ball grid to minimize thermal resistance and improve signal integrity on high-speed USB traces. Use 0.1 uF decoupling caps adjacent to each VDDCORE/VUSB pair. This page synthesizes distributor pricing, drop-in package alternatives, and practical design guidance not collected in the manufacturer datasheet alone.

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PIC32MX340F128LT-80V/BG - 80MHz 32-bit MCU 128KB Flash TFBGA-121 | Microchip
PIC32MX340F128LT-80V/BG

PIC32MX340F128LT-80V/BG - 80MHz 32-bit MCU 128KB Flash TFBGA-121 | Microchip

The Microchip Technology PIC32MX340F128LT-80V/BG is a 32-bit MIPS microcontroller built on the MIPS32 M4K core, delivering 80 MHz maximum clock and 128 KB on-chip Flash program memory in a 121-ball TFBGA (10x10 mm) package. It integrates 32 KB SRAM, a 10-bit 1 Msps ADC, USB 2.0 Full-Speed device, and a rich mix of serial interfaces (UART, SPI, I2C) for embedded connectivity. What is a PIC32MX microcontroller? The PIC32MX family is Microchip's line of 32-bit MIPS microcontrollers that bridges 8/16-bit PIC and 32-bit ARM worlds. These MCUs sit in the broader taxonomy of microcontrollers (MCU) -> 32-bit MCU -> MIPS-based MCU -> embedded controller. PIC32MX parts use the MIPS32 M4K core with 5-stage pipeline, hardware multiply/divide, and a peripheral set optimized for cost-effective embedded designs requiring USB and CAN connectivity. The 340 sub-family adds USB 2.0 Full-Speed OTG and enhanced analog peripherals. Key features of the PIC32MX340F128LT-80V/BG include 128 KB Flash, 32 KB SRAM, 53 user I/O pins (per the VFQFN-64 datasheet column; the 121-TFBGA pinout exposes more I/O channels), five 16-bit timers/counters, two I2C, two SPI, two UART modules, Parallel Master Port (PMP), and a 16-channel 10-bit 1 Msps ADC. The 80 MHz core delivers 1.56 DMIPS/MHz, supporting DSP-like operations through the MIPS DSP ASE extension. Typical applications include industrial control panels, USB peripherals (HID, CDC, mass storage), home appliance user interfaces, motor-control front-ends, low-cost graphical displays with PMP, and CAN gateway nodes when paired with an external MCP2515. The integrated USB Full-Speed OTG controller eliminates external PHY cost for HID, CDC, and MSD device classes. When designing with this device, allocate the 121-ball BGA escape routing carefully because the 10x10 mm TFBGA-121 package requires 0.8 mm pitch fanout traces. Ensure the 2.5V or 3.3V core VDD is decoupled with 100 nF + 4.7 uF ceramic capacitors close to each VDDCORE pin to meet the 80 MHz switching-noise budget. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design considerations that are not consolidated in any single manufacturer datasheet or distributor listing.

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PIC32MX340F128LT-80V/PT - 80MHz 32-bit MCU 128KB Flash | Microchip
PIC32MX340F128LT-80V/PT

PIC32MX340F128LT-80V/PT - 80MHz 32-bit MCU 128KB Flash | Microchip

The Microchip Technology PIC32MX340F128LT-80V/PT is a 32-bit MIPS32 M4K microcontroller running at 80 MHz (105 DMIPS), integrating 128 KB of Flash program memory and 32 KB of SRAM, and packaged in a 100-pin TQFP (12x12 mm). The 'L' suffix designates the 100-pin package option, while the 'T' denotes tape-and-reel packaging and '80V' indicates the 80 MHz speed grade with the industrial operating temperature range. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and a rich set of peripherals such as timers, ADC, communication interfaces (UART, SPI, I2C), and general-purpose I/O. The PIC32MX3XX/4XX family sits within Microchip's PIC32 portfolio of MIPS-based 32-bit microcontrollers, which bridge the gap between 8/16-bit PIC MCUs and higher-performance ARM Cortex-M parts, targeting cost-sensitive embedded applications that need true 32-bit performance with low power. Key features of this part include 53 general-purpose I/O pins, a 16-channel 10-bit ADC with up to 500 ksps conversion rate, USB 2.0 full-speed device/host/OTG, two I2C and two SPI interfaces, two UART modules, a 5-stage pipeline with hardware multiply/divide, MIPS16e code compression (up to 40% smaller code), fast interrupt handling, and an on-chip 8 MHz internal oscillator with PLL. The Harvard architecture and 32x32-bit shadow registers enable fast context switching for real-time tasks. Typical applications include industrial control panels, USB peripherals (HID, CDC, mass storage), home automation gateways, low-cost graphical user interfaces (with external LCD controller), sensor hubs, motor control front-ends, and consumer audio devices. The 80 MHz core plus DMA support also makes it suitable for data-acquisition front-ends where the CPU offloads buffer moves to dedicated channels. Designers should pay attention to decoupling: place 0.1 uF ceramics on every VDD/AVDD pin pair close to the IC, plus a bulk 10 uF tantalum on the main 3.3 V rail. The USB bus-powered VBUS pin requires a separate regulator since the MCU's internal LDO cannot source the full 500 mA USB enumeration budget. Always use the latest PIC32MX3XX/4XX Family Silicon Errata sheet when validating firmware.

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PIC32MX340F256H-80I/MR - 80MHz 32-bit MCU 256KB Flash | Microchip
PIC32MX340F256H-80I/MR

PIC32MX340F256H-80I/MR - 80MHz 32-bit MCU 256KB Flash | Microchip

The Microchip Technology PIC32MX340F256H-80I/MR is a 32-bit MIPS M4K-based microcontroller running at 80 MHz, with 256 KB of Flash and 32 KB of SRAM, packaged in a 64-pin VQFN (MR) measuring 9x9 mm. The device operates from 2.5 V to 3.6 V, exposes 53 general-purpose I/O pins, and integrates a 10-bit ADC, DMA controller, USB 2.0 full-speed device, CAN 2.0B, UART, SPI, and I2C peripherals for mixed-connectivity embedded designs. What is a 32-bit microcontroller? A 32-bit microcontroller (MCU) is an integrated circuit combining a CPU, memory, and peripherals around a data path that processes 32-bit words per instruction. The PIC32MX3xx/4xx family uses the MIPS M4K core, a RISC architecture providing single-cycle multiplication, hardware multiply-accumulate (MAC) support, and deterministic interrupt latency. Compared with 8-bit MCUs, 32-bit parts deliver higher throughput, larger addressable memory, and richer peripheral sets for industrial, consumer, and USB-connected applications. Key features include a 32-bit MIPS M4K core with up to 80 MHz operation (1.56 DMIPS/MHz), 256 KB Flash program memory, 32 KB SRAM, an on-chip DMA controller for CPU-offloaded data movement, a 10-bit ADC with up to 16 channels, USB 2.0 full-speed device with integrated transceiver, and CAN 2.0B active for automotive/industrial networking. The 64-pin VQFN (MR) package provides a small footprint and good thermal dissipation for space-constrained designs. The PIC32MX340F256H-80I/MR utilizes a Harvard architecture with separate 32-bit instruction and data buses, and includes a prefetch cache module for Flash memory to mask access latency. The integrated DMA works with the parallel bus and serial peripherals to keep the CPU free for application code. The 16-bit wide instruction path supports C-compiled code from MPLAB XC32 with hardware FPU-less floating-point emulation, suitable for control loops and protocol stacks. Typical applications include USB HID/CDC devices, CAN-connected industrial sensor nodes, industrial control panels, low-cost graphics interfaces, embedded audio processing, and general-purpose 32-bit replacements for legacy 8/16-bit MCUs. The wide peripheral set lets designers consolidate external logic into a single chip. When designing with this MCU, ensure the VDD/VSS pin pairs are properly bypassed with 100 nF and 10 uF capacitors placed close to the package, and consider using the on-chip DMA to offload ADC and serial traffic. The 80 MHz operation at 3.3 V (typical) draws about 70 mA active, so power budgeting should account for I/O sink/source currents. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes beyond what the manufacturer datasheet covers, including thermal dissipation, USB bus considerations, and a comparison with PIC32MX3xx variants. Engineers evaluating the PIC32MX340 family benefit from this consolidated view when planning migrations or BOM reductions.

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PIC32MX340F256H-80V/MR - 80MHz 32-bit MCU 256KB Flash | Microchip
PIC32MX340F256H-80V/MR

PIC32MX340F256H-80V/MR - 80MHz 32-bit MCU 256KB Flash | Microchip

The Microchip PIC32MX340F256H-80V/MR is a 32-bit MIPS M4K microcontroller featuring 256 KB of Flash program memory and 32 KB of SRAM, operating at up to 80 MHz in a 64-pin VQFN (9x9 mm) package with exposed thermal pad. It integrates a 10-bit ADC, full-speed USB 2.0 device/host/OTG, DMA controller, and 53 general-purpose I/O pins, with 2.3V to 3.6V single-supply operation across the industrial -40C to +105C temperature range. A PIC32MX MCU belongs to the 32-bit microcontroller category, which sits within the broader embedded computing hierarchy: microcontroller -> embedded processor -> system-on-chip -> semiconductor. The PIC32MX3XX/4XX family uses the MIPS32 M4K core to deliver significantly higher computational throughput than 8-bit or 16-bit predecessors while preserving the PIC peripheral ecosystem and MPLAB X IDE toolchain, enabling easy migration from older PIC24 or PIC32 architectures. Key features include deterministic interrupt response, hardware Multiply/Divide, 16-bit parallel master port for external memory expansion, two I2C, two SPI, and five UART/PPPP interfaces. The integrated 10-bit ADC supports up to 16 channels at 500 ksps, while dedicated DMA channels enable high-throughput peripheral transfers without CPU intervention. The VQFN-64 package provides a compact footprint and enhanced thermal dissipation through its exposed pad. Designed around the MIPS M4K pipeline with single-cycle multiply, the PIC32MX340 architecture offers 1.56 DMIPS/MHz performance. The 80 MHz maximum core frequency, combined with 5-stage pipeline execution, delivers deterministic real-time behavior suitable for USB stacks, sensor fusion, and small graphics rendering. Peripheral pin select (PPS) simplifies PCB routing by allowing flexible I/O assignment. Typical applications include industrial control panels, USB peripherals (HID, CDC, MSD class devices), consumer audio equipment, medical instrumentation, and embedded HMI displays. Its combination of USB, ADC, and DMA makes it well-suited for data-acquisition and bridge devices. Choose the PIC32MX340F256H-80V/MR for new designs requiring USB connectivity with ample headroom in program memory. When designing with this device, place decoupling capacitors close to every VDD/VSS pair, follow Microchip's reference USB design (90-ohm differential impedance), and use the exposed pad as the primary ground/thermal path. Always validate USB signal integrity using Microchip's HID or CDC stack example projects. This page synthesizes distributor pricing from DigiKey and Mouser, drop-in alternative MPNs from the same PIC32MX family, and practical PCB design notes not collected in the manufacturer datasheet.

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PIC32MX340F256H-80V/PT - 32-Bit 80MHz 256KB Flash MCU | Microchip
PIC32MX340F256H-80V/PT

PIC32MX340F256H-80V/PT - 32-Bit 80MHz 256KB Flash MCU | Microchip

The Microchip PIC32MX340F256H-80V/PT is a 32-bit MIPS M4K microcontroller offering 256KB Flash, 32KB RAM, and 80 MHz CPU speed in a 64-pin TQFP (PT) package. It belongs to the PIC32MX3xx/4xx general-purpose USB family and supports 53 I/O pins with 10-bit ADC and DMA peripherals. Operating voltage is 2.3V to 3.6V, making it suitable for 3.3V system designs. A 32-bit microcontroller (MCU) is an integrated processor with a 32-bit data path, on-chip Flash program memory, RAM, and configurable peripherals such as ADC, timers, and communication interfaces. Within the embedded hierarchy, the PIC32MX sits between 8/16-bit MCUs and Cortex-M4 cores, delivering higher performance while retaining deterministic interrupt behavior. The PIC32MX3xx/4xx family is widely used in consumer, industrial, and USB-enabled applications where MIPS instruction-set familiarity and MPLAB X toolchain support matter. Key features of the PIC32MX340F256H-80V/PT include 256KB (256K x 8) Flash program memory, 32KB (32K x 8) RAM, DMA controller for CPU-offload data movement, and integrated USB 2.0 full-speed device/host/OTG. The device provides 53 general-purpose I/O, multiple UART/SPI/I2C interfaces, a 10-bit 1 Msps ADC, and a parallel master port for external memory. Code protection, JTAG boundary scan, and trace support enable robust debugging. Architecturally, the PIC32MX340F256H uses the MIPS32 M4K core with 5-stage pipeline, hardware multiply/divide, and a prefetch cache. The internal oscillator and PLL allow flexible clocking up to 80 MHz. Compared to PIC24/dsPIC parts, the PIC32MX340F256H delivers significantly higher Dhrystone MIPS (∼1.5 DMIPS/MHz) while sharing peripheral IP, easing migration from 16-bit designs. Typical applications include USB peripherals (HID, CDC, mass storage), industrial control panels, graphical user interfaces with parallel-port LCDs, and consumer audio/automation hubs. The wide peripheral mix and DMA support also make it suitable for data-acquisition front ends and embedded web servers. When designing with the -80V grade (operating -40C to +105C), reserve ample Flash/RAM headroom for USB stacks (typically 30-40 KB). Always provide a stable 3.3V rail with at least 100 mA headroom and place decoupling capacitors close to the VDD/VSS pins per the datasheet layout guide. This page synthesizes distributor pricing, drop-in alternatives from the PIC32MX family, and practical design notes not found on the manufacturer datasheet alone.

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PIC32MX340F256HT-80I/MR - 80MHz 32-bit MCU 256KB Flash | Microchip
PIC32MX340F256HT-80I/MR

PIC32MX340F256HT-80I/MR - 80MHz 32-bit MCU 256KB Flash | Microchip

The Microchip Technology PIC32MX340F256HT-80I/MR is a 32-bit MIPS32 M4K microcontroller running at 80 MHz, integrating 256 KB of Flash program memory and 64 KB of SRAM (32 KB typical RAM) in a 64-pin VQFN (9x9 mm) package. It combines a high-performance 32-bit core with rich analog and digital peripherals for connected embedded designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), working memory (RAM), and a configurable set of peripherals such as ADC, timers, communication interfaces, and GPIO. The PIC32 family specifically targets MIPS32-based 32-bit processing at low power, sitting between 8/16-bit MCUs and full application processors in the embedded taxonomy (MCU -> 32-bit MCU -> MIPS-based MCU -> PIC32MX family). The "MX340" sub-family emphasizes USB 2.0 Full-Speed, CAN, and motor-control peripherals for industrial and consumer designs. Key features of this variant include a 10-bit 1 MSPS Analog-to-Digital Converter, multiple UART/SPI/I2C interfaces, USB 2.0 Full-Speed On-The-Go, a DMA controller for offloading CPU data movement, and an operating voltage range of 2.3V to 3.6V. The -80I suffix denotes industrial temperature range (-40C to +85C) and the 80 MHz maximum clock. The "T" in the part number indicates tape-and-reel packaging, and the "MR" suffix designates the 64-pin VQFN package. The device uses a 5-stage pipeline MIPS32 M4K core with single-cycle multiplication and hardware divide, delivering 80 DMIPS of processing throughput. Integrated peripherals include a parallel master port for external bus interfacing, five 16-bit timers/counters, and a real-time clock calendar, allowing the chip to act as a complete system controller in connected applications. Typical applications include USB peripherals and HID devices, industrial control and HMI panels, CAN-connected sensor nodes, low-cost graphical user interfaces, and connected IoT appliances. The combination of USB, CAN, and ample RAM makes the part a strong fit for bridging industrial fieldbuses to USB hosts. When designing with this part, allocate adequate PCB copper area beneath the 9x9 mm QFN exposed pad to meet the 31.7 C/W thermal resistance rating under industrial conditions, and use MPLAB X IDE with the XC32 compiler toolchain. Decouple VDD/VUSB with 100 nF + 10 uF ceramics within 3 mm of the supply pins. This page synthesizes distributor pricing, drop-in same-package alternatives, application notes, and design guidance not consolidated in the manufacturer datasheet alone.

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PIC32MX340F512H-80I/MR - 32-bit MCU, 512KB Flash, 80MHz | Microchip
PIC32MX340F512H-80I/MR

PIC32MX340F512H-80I/MR - 32-bit MCU, 512KB Flash, 80MHz | Microchip

The Microchip Technology PIC32MX340F512H-80I/MR is a 32-bit MIPS M4K microcontroller IC operating at 80MHz, integrating 512KB of Flash program memory and 32KB of SRAM, packaged in a 64-pin VQFN (9x9 mm) with exposed pad. It is part of the PIC32MX3XX/4XX general-purpose USB-capable family. A 32-bit MCU (microcontroller unit) is a single-chip computer that integrates a processor core, program and data memory, and a rich set of peripherals (ADC, timers, communication interfaces, I/O). The PIC32MX family uses the MIPS32 M4K core, a Harvard-architecture, 5-stage pipeline processor with single-cycle multiply and hardware divide, supporting MIPS16e code compression for up to 40% smaller code size. PIC32 devices sit in the hierarchy: 32-bit MCU -> microcontroller -> embedded controller -> semiconductor. Key features include 512KB Flash, 32KB SRAM, 80MHz core clock delivering 105 DMIPS, an integrated 10-bit ADC with up to 16 channels and 1 Msps conversion, multiple UART/SPI/I2C peripherals, USB 2.0 full-speed OTG, DMA, and up to 53 general-purpose I/O pins. The 80I suffix denotes the -40C to +85C industrial temperature range and the 80MHz maximum frequency. Architecturally, the PIC32MX340F512H combines a high-performance 32-bit core with Microchip's peripheral library ecosystem, MPLAB Harmony and XC32 toolchain support, and pin-compatible variants across the PIC32MX3/4 family, enabling seamless code reuse and migration. The integrated DMA engine reduces CPU load for data movement between peripherals and memory. Typical applications include industrial control panels, USB peripherals (HID, CDC, mass storage), graphical user interfaces, sensor hubs, motor control front-ends, and home automation gateways. The USB OTG and 10-bit ADC make it well suited for tethered embedded devices. When designing with this device, ensure the 64-pin VQFN exposed pad is properly soldered to the PCB ground plane for thermal dissipation and electrical performance. Decouple VDD with 0.1uF and 10uF ceramic capacitors placed as close to the supply pins as possible. This page synthesizes distributor pricing, drop-in alternatives from the same PIC32MX family, and practical design notes not found in the standalone Microchip datasheet.

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PIC32MX340F512H-80V/MR - 80MHz 32-bit MCU, 512KB Flash | Microchip
PIC32MX340F512H-80V/MR

PIC32MX340F512H-80V/MR - 80MHz 32-bit MCU, 512KB Flash | Microchip

The Microchip Technology PIC32MX340F512H-80V/MR is a 32-bit MIPS M4K microcontroller running at 80 MHz (105 DMIPS) with 512 KB Flash and 32 KB SRAM, housed in a 64-pin 9x9 mm VQFN package with exposed thermal pad. It integrates USB 2.0 Full-Speed On-The-Go (OTG), a 10-bit 1 Msps ADC with up to 16 channels, two UART, two SPI, and two I2C peripherals, plus a parallel master port for external bus expansion. An MCU (microcontroller unit) is a single-chip computer containing a CPU core, program and data memory, and a rich set of on-chip peripherals. The PIC32MX family is part of the broader 32-bit MCU hierarchy (MCU -> microcontroller -> embedded processor -> semiconductor IC) and is purpose-built for embedded control with deterministic real-time behavior, low-power sleep modes, and a familiar MIPS R4K-style toolchain. Within Microchip's portfolio, the PIC32MX3XX/4XX family sits in the mainstream performance tier. Key features include a 5-stage pipeline MIPS32 M4K core with single-cycle multiply and hardware divide, 32x32-bit core registers, MIPS16e code compression for up to 40% smaller code size, 8 Kbytes of flash-configurable cache/FMF, and a Fail-Safe Clock Monitor with on-chip low-power RC oscillator. The 53 I/O pins (5V tolerant) support atomic SET/CLEAR/INVERT operations on select peripherals, simplifying low-latency bit-banging in motor and LED driver designs. The PIC32MX340F512H is fabricated on a 0.18um CMOS process and integrates a USB 2.0 Full-Speed PHY, 10-bit 1 Msps ADC, comparators, timers, and DMA into one die. The 5-stage pipeline with hardware multiply/divide delivers 1.56 DMIPS/MHz. Multiple power management modes (Idle, Sleep) reduce quiescent current to support battery-powered applications while keeping wake-up latency minimal. Typical applications include USB peripherals and HID controllers, HMI and graphical displays, low-cost motor control, point-of-sale terminals, and industrial data acquisition. The combination of USB OTG, DMA, and a parallel master port makes it well-suited to graphics LCD and touchscreen bridges. When designing, allocate the exposed pad to a continuous ground plane for thermal dissipation; the VQFN-9x9 supplies the lowest theta_JA in the family. Ensure the 2.3V-3.6V supply is decoupled with 1uF and 0.1uF ceramics close to all VDD/VSS pairs. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC32MX340F512H-80V/PT - 32-bit MCU 512KB Flash 80MHz 64-TQFP | Microchip
PIC32MX340F512H-80V/PT

PIC32MX340F512H-80V/PT - 32-bit MCU 512KB Flash 80MHz 64-TQFP | Microchip

The Microchip PIC32MX340F512H-80V/PT is a 32-bit MIPS M4K microcontroller with 512KB Flash and 32KB RAM running at 80MHz (105 DMIPS), housed in a 64-pin TQFP (10x10mm) package. It is part of the PIC32MX3XX/4XX family of high-performance, general-purpose and USB 32-bit Flash microcontrollers, and is currently in production per the manufacturer product page. A PIC32MX microcontroller is a 32-bit Flash MCU based on the MIPS32 M4K core with 5-stage pipeline, Harvard architecture, single-cycle multiply and hardware divide unit. It belongs to the broader hierarchy: microcontroller -> embedded MCU -> 32-bit MCU -> MIPS-based MCU -> semiconductor IC. The PIC32MX family targets applications requiring more processing performance than 8/16-bit MCUs while maintaining the peripheral integration and ease-of-use of Microchip's PIC ecosystem. Key features of the PIC32MX340F512H-80V/PT include 80MHz/105 DMIPS performance, 512KB Flash program memory, 32KB SRAM, 53 I/O pins, 10-bit ADC, DMA controller, USB 2.0 full-speed device/host/OTG, and a wide operating voltage range of 2.3V to 3.6V. The -80V temperature grade extends the operating range to -40C to +105C. The 64-TQFP package offers robust surface-mount assembly and ample I/O access for connectivity-rich designs. Architecturally, the device integrates the MIPS M4K core with 32x32-bit core registers, 32x32-bit shadow registers for fast context switch and interrupt response, and MIPS16e mode that reduces code size by up to 40%. The 5-stage pipeline and hardware multiply/divide accelerate DSP-class workloads and control loops. Peripherals are mapped via separate data and instruction buses, enabling simultaneous fetch and data access typical of Harvard architectures. Typical applications include USB peripherals, industrial control interfaces, motor control, embedded graphics/HMI, point-of-sale terminals, medical instrumentation, and consumer audio devices. The combination of DMA, USB, ADC and generous RAM makes it well suited for protocol bridging (USB-to-UART, USB-to-SPI) and tethered data-acquisition front-ends. When designing with this part, allocate the 64-TQFP footprint, route the ICSP PGECx/PGEDx pair with short traces to the programming header, and place the 32.768 kHz secondary oscillator crystal close to the SOSC pins. Decouple VDD/VSS with 0.1uF + bulk caps per Microchip Section 2 (Power Supply) of the PIC32MX3XX/4XX family reference manual. This page synthesizes distributor pricing, drop-in alternatives within the PIC32MX family, and practical PCB design notes not consolidated in the manufacturer datasheet.

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PIC32MX340F512HT-80I/MR - 80MHz 32-bit MCU 512KB Flash | Microchip
PIC32MX340F512HT-80I/MR

PIC32MX340F512HT-80I/MR - 80MHz 32-bit MCU 512KB Flash | Microchip

The Microchip Technology PIC32MX340F512HT-80I/MR is a 32-bit MIPS M4K microcontroller running at 80 MHz (105 DMIPS) with 512 KB of Flash and 32 KB of SRAM, housed in a 64-pin VQFN (9x9 mm) package with tape-and-reel packaging. It integrates a 5-stage Harvard pipeline with MIPS16e code compression, single-cycle 32x32 hardware multiply/divide, a 4-channel hardware DMA controller, and a Flash prefetch module that together deliver deterministic real-time performance. A 32-bit microcontroller (MCU) is an embedded computing device built around a 32-bit datapath, registers and bus architecture, allowing it to process larger data words in a single instruction compared with 8-bit or 16-bit MCUs. Within the broader semiconductor taxonomy, the PIC32MX3XX/4XX family sits in the high-performance general-purpose tier, above 8-bit PICmicro and 16-bit PIC24/dsPIC devices, and below specialized 32-bit application processors. The PIC32MX340F512HT specifically targets USB-enabled, high-throughput embedded designs that also need fast interrupt response. Key differentiating features include 53 general-purpose I/O pins, a 10-bit ADC, USB 2.0 Full-Speed On-The-Go (OTG) controller, four 16-bit timers, two UART/SPI/I2C peripherals, a Parallel Master Port (PMP) for external memory or graphics, and a CTMU for capacitive touch sensing. The 64-pin VQFN (MR) footprint exposes the full peripheral set while keeping the PCB land area to 9x9 mm, making the part attractive for space-constrained industrial control and USB device designs. Architecturally, the M4K core executes most instructions in one cycle and supports compact MIPS16e mode, which can reduce code size by up to 40 percent. The 256 KB user Flash plus 12 KB boot Flash, executed from RAM, allows field firmware upgrades, while the 4-channel DMA offloads data movement from the core to peripherals such as the ADC and USB. Typical applications include USB peripherals (HID, CDC, mass storage), industrial control panels, embedded data loggers, and home-automation gateways. Designers should review the I/O count and 64-VQFN footprint against the alternate PIC32MX340F512H-80I/PT (64-pin TQFP) when thermal dissipation or hand-prototyping is required.

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PIC32MX340F512HT-80V/MR - 512KB Flash 32-bit MCU | Microchip
PIC32MX340F512HT-80V/MR

PIC32MX340F512HT-80V/MR - 512KB Flash 32-bit MCU | Microchip

The Microchip Technology PIC32MX340F512HT-80V/MR is a 32-bit MIPS M4K microcontroller with 512 KB Flash, 32 KB SRAM, and 80 MHz core clock (105 DMIPS) housed in a 64-pin VQFN (9x9 mm) package with exposed thermal pad. It integrates a 10-bit ADC, DMA controller, USB 2.0 full-speed OTG, and 53 general-purpose I/O lines, positioning it as a high-performance general-purpose MCU for industrial and consumer embedded designs. What is a PIC32MX3XX/4XX microcontroller? PIC32MX3XX/4XX devices are Microchip's general-purpose 32-bit MIPS MCU family featuring a 5-stage pipeline Harvard architecture, single-cycle hardware multiply/divide, MIPS16e code compression for up to 40% smaller code size, and 32x32-bit core plus shadow registers for fast context switching. They sit within the broader hierarchy: microcontroller (MCU) -> embedded microcontroller -> 32-bit MCU -> MIPS M4K core -> Microchip PIC32 family, serving mainstream performance applications between 8-bit PIC16/PIC24 and 32-bit Cortex-M class devices. Key features include 80 MHz maximum operating frequency (105 DMIPS throughput), 512 KB Flash program memory, 32 KB SRAM data memory, USB 2.0 full-speed On-The-Go (OTG), a 16-channel 10-bit ADC with 1 Msps conversion rate, two I2C, two SPI, two UART, and five 16-bit timers. The 53 I/O pins support 5V-tolerant inputs, and the integrated DMA engine offloads data movement from the CPU. Hardware-level PMP and EBI interfaces enable external memory and parallel peripherals. Architecturally, the PIC32MX340 uses a 5-stage MIPS32 M4K pipeline with hardware multiply/divide, 32 x 32-bit general-purpose registers plus shadow register sets for low-latency interrupt handling (sub-15-cycle response). The 1.8V internal core regulator interfaces to a 2.3-3.6V external supply, supporting low-power run, idle, and sleep modes with typical sleep currents under 1 uA. Typical applications include industrial control panels, USB peripherals (Human Interface Devices, CDC serial bridges, mass storage), graphic display HMI with PMP-driven TFT or OLED panels, sensor aggregation nodes with DMA-driven ADC sampling, and consumer appliances requiring 32-bit throughput at PIC cost-of-ownership. Design consideration: the VQFN-9x9 mm exposed pad must be soldered to a ground pour to meet thermal specifications (theta_JA approximately 24 C/W). Programming uses ICSP via PGECx/PGEDx pairs; any pair may be used but must be used as a matched pair. This page synthesizes distributor pricing, parametric alternatives, and PCB-aware design notes not found on the manufacturer datasheet.

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PIC32MX340F512HT-80V/PT - 80MHz 512KB Flash 32-bit MCU | Microchip
PIC32MX340F512HT-80V/PT

PIC32MX340F512HT-80V/PT - 80MHz 512KB Flash 32-bit MCU | Microchip

The Microchip Technology PIC32MX340F512HT-80V/PT is a 32-bit MIPS32 M4K microcontroller running at 80 MHz, equipped with 512 KB of Flash program memory and 32 KB of SRAM, housed in a 64-pin TQFP (10x10 mm) package. It integrates a 10-bit ADC with DMA, USB 2.0 full-speed On-The-Go, and 53 general-purpose I/O pins, making it well suited for embedded applications requiring mixed signal acquisition with substantial code space. A 32-bit microcontroller (MCU) is an integrated circuit that combines a 32-bit processor core, program memory (Flash), data memory (SRAM), and programmable peripherals into a single silicon device. The PIC32 family uses the MIPS32 M4K architecture, which is a RISC (Reduced Instruction Set Computing) design that executes most instructions in a single clock cycle, enabling deterministic real-time performance. Within the broader semiconductor taxonomy, an MCU is a sub-category of microprocessor and sits inside the integrated circuit family, alongside memory ICs, logic ICs, and analog ICs. Key features include 512 KB (512K x 8) Flash, 32 KB SRAM, an internal oscillator, 5 16-bit timers/counters, 5 capture/compare/PWM peripherals, and a 10-bit 1 Msps ADC with up to 16 input channels. The device also supports I2C, SPI, and UART communication peripherals, plus USB 2.0 full-speed On-The-Go for direct device-to-device data exchange without an external PHY. The 80 MHz core delivers 105 DMIPS of computational performance while operating from a 2.3V to 3.6V supply. Architecturally, the PIC32MX340 series leverages the MIPS M4K core (Harvard architecture with separate instruction and data buses) combined with 5-stage pipelining and hardware multiply/divide. The on-chip DMA controller offloads data movement between peripherals and memory, freeing the CPU for application logic. Hardware PMP (Parallel Master Port) and PMP-style bus interfaces enable external memory and graphics display connectivity for richer human-machine interface designs. Typical applications include industrial control and Human-Machine Interface (HMI) panels, USB peripherals and embedded hosts, motor control with PWM, data loggers, and consumer electronics with touch or display interfaces. The 53 available I/O pins support simultaneous TFT LCD, keypad, and sensor array connections, while USB OTG allows battery-charging dock, audio dock, or tethered device applications. When designing with this part, ensure the trace length between the ICSP PGECx/PGEDx pins and the programming/debug connector is kept short to maintain signal integrity during in-circuit serial programming and debugging. Use decoupling capacitors of 0.1 uF plus bulk capacitance on each supply pin and follow Microchip reference PCB layout patterns for the USB differential pair. This page synthesizes distributor pricing, drop-in alternatives from the PIC32MX family, and practical design notes not found in the manufacturer datasheet alone.

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PIC32MX350F128H-I/MR - 32-bit MCU, 100MHz, 128KB Flash | Microchip
PIC32MX350F128H-I/MR

PIC32MX350F128H-I/MR - 32-bit MCU, 100MHz, 128KB Flash | Microchip

The Microchip Technology PIC32MX350F128H-I/MR is a 32-bit MIPS MCU from the PIC32MX3/4 family, featuring a MIPS32 M4K core running at up to 100 MHz, 128 KB of Flash program memory and 32 KB of SRAM, all housed in a 64-pin QFN EP (MR) package. It operates from 2.3 V to 3.6 V, integrates two I2S/SPI modules, two I2C ports, USB, a Parallel Master Port for graphics, a 10-bit ADC with up to 28 input channels, and a Charge Time Measurement Unit (CTMU) for touch and capacitive sensing. A 32-bit microcontroller (MCU) is a programmable system-on-chip that combines a high-performance processor core, Flash program memory, SRAM data memory, and a rich set of digital and analog peripherals. Within the broader hierarchy, PIC32MX MCUs sit between the 8-bit PIC16/PIC18 families and the higher-performance PIC32MZ family, and are categorized as application microcontrollers within Microchip's "power management IC" and "embedded control" taxonomy. The 32-bit MIPS core delivers up to 150 DMIPS while remaining code-compatible with the MPLAB X IDE and Harmony framework. Key differentiating features of the PIC32MX350F128H-I/MR include Peripheral Pin Select (PPS), which allows most digital peripherals to be routed to nearly any I/O pin, dramatically easing PCB layout. Two I2S/SPI modules enable audio codec interfacing, the PMP module supports graphics LCDs, and the integrated CTMU provides reliable capacitive touch sensing without external circuitry. Five 16-bit timers, five input capture and five output compare modules support advanced motor control and waveform generation. Architecture-wise, the PIC32MX3/4 uses a 5-stage pipeline MIPS32 M4K core with hardware multiply/divide, single-cycle Flash access via a 128-bit-wide bus, and a prefetch module that masks Flash latency to deliver near-zero-wait-state performance. The device includes a 10-bit 1 Msps ADC with up to 28 channels, two analog comparators, and a brown-out-reset (BOR) circuit for robust industrial operation. Typical applications include USB-enabled consumer and industrial controllers, audio interfaces with external I2S codecs, graphics HMI boards driving small TFT LCDs via PMP, capacitive touch keypads, low-cost motor control, and home appliance or HVAC control panels. The wide 2.3 V to 3.6 V supply range and -40C to +105C industrial temperature range also suit battery-powered and outdoor embedded designs. When designing with this MCU, allocate at least 0.1uF decoupling near every VDD/AVDD pin pair, and ensure the 8 MHz primary oscillator or external crystal is placed close to the OSCI/OSCO pins to minimize EMI. PPS remapping should be reviewed carefully when porting firmware from older PIC32MX1/2/3 designs to avoid unintended peripheral conflicts. This page synthesizes distributor pricing, drop-in alternatives from the same PIC32MX3/4 family, and practical design notes not aggregated in the manufacturer datasheet.

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PIC32MX350F128H-I/PT - 32-bit MCU 80MHz 128KB Flash 64-TQFP | Microchip
PIC32MX350F128H-I/PT

PIC32MX350F128H-I/PT - 32-bit MCU 80MHz 128KB Flash 64-TQFP | Microchip

The Microchip Technology PIC32MX350F128H-I/PT is a 32-bit MIPS32 M4K microcontroller delivering up to 80 MHz core performance with 128 KB Flash and 32 KB SRAM, housed in a 64-pin TQFP (10x10 mm) industrial-grade package. It integrates advanced analog peripherals, USB, and Audio/Graphics/Touch (HMI) interfaces with up to 53 general-purpose I/O lines, making it a versatile member of the PIC32MX3/4 family. A 32-bit microcontroller (MCU) is an embedded processor that executes instructions on a 32-bit data path, enabling higher code performance, more addressable memory, and richer peripheral integration than 8-bit or 16-bit predecessors. The PIC32 family uses the MIPS32 M4K Harvard architecture with separate instruction and data buses, sitting in the hierarchy: 32-bit MCU -> microcontroller -> embedded processor -> semiconductor IC. PIC32MX3/4 series parts target cost-effective applications that demand 32-bit performance without paying for higher-tier Cortex-M cores. Key features include 128 KB Flash program memory (with an additional 12 KB auxiliary Flash), 32 KB SRAM data memory, two I2S/SPI modules for audio codec interfaces, Peripheral Pin Select (PPS) for flexible signal routing, Parallel Master Port (PMP) for graphics displays, Charge Time Measurement Unit (CTMU) for capacitive touch sensing, and a 10-bit ADC. The I-suffix industrial temperature grade spans -40C to +85C, and operating voltage is 2.3V to 3.6V. The TQFP-64 footprint simplifies PCB layout and hand-prototyping versus QFN variants. The MIPS32 M4K core implements a 5-stage pipeline with hardware multiply/divide, single-cycle 32-bit ALU operations, and deterministic interrupt response. Five 16-bit and two 32-bit timers provide flexible timing, and the integrated USB 2.0 full-speed device/host/OTG controller removes the need for an external PHY in many designs. Typical applications include industrial control and HMI panels, USB peripherals, audio playback devices with I2S codecs, capacitive-touch user interfaces, and low-cost graphics terminals using small TFT displays driven by PMP. The 53 GPIO count and PPS flexibility allow pin-limited packages to expose most peripherals simultaneously. Design consideration: use MPLAB X IDE with the XC32 compiler for code development and ICD3/REAL ICE for in-circuit debugging. Plan the ICSP PGECx/PGEDx pin pair assignment carefully because any pair is acceptable but both pins of a pair must be used together. Add bulk + bypass decoupling (10uF + 100nF) at each VDD/VSS pair to ensure stable operation across the 2.3-3.6V range. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC32MX350F128HT-I/PT - 80MHz 32-bit MCU, 128KB Flash, 64-TQFP | Microchip
PIC32MX350F128HT-I/PT

PIC32MX350F128HT-I/PT - 80MHz 32-bit MCU, 128KB Flash, 64-TQFP | Microchip

The Microchip Technology PIC32MX350F128HT-I/PT is a 32-bit MIPS32 M4K microcontroller running at 80 MHz, integrating 128 KB of Flash and 32 KB of SRAM, and packaged in a 64-pin TQFP (PT) measuring 10x10 mm. It belongs to the PIC32MX3/4 family, which combines 32-bit performance with a rich peripheral set, including two I2C, two SPI/I2S, USB, and a 10-bit ADC with up to 28 analog channels. The 'T' suffix indicates Tape & Reel packaging, while the 'I' suffix denotes the industrial temperature range of -40C to +85C. What is a 32-bit microcontroller? A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (SRAM), and a configurable set of peripherals such as timers, communication controllers, and analog blocks. Within the taxonomy of semiconductors, MCUs sit inside the Integrated Circuits category and sit below microprocessors in complexity. The '32-bit' designation means the CPU fetches and processes data 32 bits at a time, enabling higher throughput and larger addressable memory than legacy 8-bit or 16-bit controllers. The MIPS32 M4K core used by PIC32MX3/4 parts executes one instruction per cycle and reaches 1.58 DMIPS/MHz, providing headroom for DSP-like filtering and graphics tasks. Key features of this part include a 10-bit ADC with a 1 Msps conversion rate, a 16-bit Parallel Master Port for external memory expansion, a peripheral pin select that maps digital functions to any remappable GPIO, and 5 timers/counters. The integrated USB 2.0 full-speed Device/Host/OTG controller is a notable advantage for embedded designs that need a wired data interface. The device operates from 2.3 V to 3.6 V, making it compatible with common 3.3 V system rails and 2x AA battery stacks. Architecturally, the chip combines the M4K pipeline with a 7-stage Harvard bus that separates program and data accesses. The PMD module can power-down unused peripherals to reduce quiescent current. Hardware DMA is available for moving data between peripherals and memory without CPU intervention, freeing the core for application logic. Typical applications include industrial HMI panels, USB peripherals such as barcode scanners and POS terminals, low-cost graphical displays driven by the PMP interface, audio processing with the I2S ports, and consumer appliances that need capacitive touch via the mTouch peripheral. The wide peripheral set also suits environmental sensor hubs that aggregate I2C sensor data. Designers should note that this MCU requires a 3.3 V rail; pairing it with a small LDO such as the MCP1700 plus decoupling capacitors is standard. The PT package is a non-EP (no exposed pad) TQFP, so thermal dissipation is limited to copper pours under the lead fingers - adequate for the typical 70 mA active current. This page synthesizes distributor pricing, drop-in alternatives drawn from Microchip's same-family parts, and design notes that complement the manufacturer datasheet. Engineers can use the comparison table below to evaluate pin-compatible PIC32MX3/4 variants against this part without leaving the page.

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PIC32MX350F128HT-I/RG - 32-bit MCU, 100MHz, 128KB Flash | Microchip
PIC32MX350F128HT-I/RG

PIC32MX350F128HT-I/RG - 32-bit MCU, 100MHz, 128KB Flash | Microchip

The Microchip Technology PIC32MX350F128HT-I/RG is a 32-bit MIPS32 M4K microcontroller delivering 100 MHz CPU performance with 128 KB Flash and 32 KB SRAM, housed in a 64-pin QFN (RG) 9x9 mm package with exposed thermal pad. It operates from 2.5V to 3.6V and integrates a USB 2.0 full-speed OTG controller, two I2C, two SPI, and up to five UART interfaces for embedded connectivity. A 32-bit microcontroller (MCU) is a microprocessor core with 32-bit data paths, registers, and address buses, capable of handling larger data structures and faster arithmetic than 8-bit or 16-bit MCUs. PIC32MX3xx devices occupy the mid-range tier of Microchip's PIC32 family, sitting between the entry-level PIC32MX1xx/2xx and higher-performance PIC32MX5xx/7xx parts, and serve as microcontrollers (single-chip compute units) within the broader category of embedded processors. Key features include 10-bit ADC with up to 28 channels, five 16-bit timers/counters, four PWM outputs with output compare, and parallel master port (PMP) for external bus interfacing. The integrated USB 2.0 full-speed On-The-Go PHY simplifies designs requiring device, host, or dual-role USB connectivity without an external transceiver. The device is built on a 5-stage pipeline MIPS32 M4K core with single-cycle hardware multiply, achieving 1.56 DMIPS/MHz. 128 KB Flash is organized into 4 KB pages with runtime self-programmability, while 32 KB SRAM supports zero-wait-state access. The 64-pin QFN (RG) package includes an exposed pad for enhanced thermal dissipation, enabling reliable operation across industrial temperature ranges. Typical applications include USB peripherals, industrial control HMI panels, motor control BLDC/PMSM drivers, low-cost graphics displays via PMP, and embedded audio processing. The combination of USB OTG, 5 UARTs, and large SRAM makes it well-suited for IoT gateways and industrial sensor nodes. When designing, ensure the exposed pad is properly soldered to a sufficient copper area for thermal relief. The USB bus requires 48 MHz accuracy; use the internal PLL with a high-quality 8 MHz or 12 MHz crystal to meet USB specification timing tolerances. This page synthesizes distributor pricing, pin-compatible PIC32MX3xx drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC32MX350F128HT-V/MR - 80MHz 32-bit MCU 128KB Flash | Microchip
PIC32MX350F128HT-V/MR

PIC32MX350F128HT-V/MR - 80MHz 32-bit MCU 128KB Flash | Microchip

The Microchip Technology PIC32MX350F128HT-V/MR is a 32-bit MIPS32 M4K microcontroller operating at up to 80 MHz, integrating 128 KB of Flash program memory and 32 KB of SRAM in a 64-pin VQFN (9x9 mm) package with exposed thermal pad. The part carries the -V operating voltage designator (2.3V-3.6V VDD range) and the -V temperature designator (-40C to +105C industrial/extended), making it AEC-Q100 qualified for automotive-grade applications. It includes two I2C, two SPI/I2S, two analog comparators, 28-channel 10-bit ADC, five 16-bit timers, four DMA channels, and a real-time clock plus calendar (RTCC). A 32-bit microcontroller (MCU) is a single-chip computer integrating a 32-bit CPU core, volatile memory (SRAM), non-volatile program memory (Flash), and a rich set of peripherals including timers, ADCs, communication controllers, and GPIO. The PIC32MX3/4 family sits within the broader PIC microcontroller hierarchy: PIC32MX -> 32-bit MCU -> Microcontroller Unit -> Embedded Processor -> Semiconductor. Compared with 8-bit PIC16/PIC18 parts, the PIC32MX delivers MIPS-class performance (~1.5 DMIPS/MHz) while preserving the PIC peripheral ecosystem and MPLAB X toolchain compatibility. Key features include 80 MHz core clock, 128 KB Flash (128K x 8), 32 KB SRAM, 53 digital I/O pins, USB 2.0 full-speed On-The-Go (OTG) device/host, two I2S audio interfaces for digital audio paths, 10-bit ADC with 28 channels and 1 Msps conversion rate, and a charge time measurement unit (CTMU) for capacitive touch. The VQFN-64 EP package exposes the die substrate to the PCB thermal pad for improved heat extraction. Typical applications include automotive body and infotainment controllers (AEC-Q100 qualified), industrial HMI panels with USB connectivity, audio peripherals using I2S, USB HID/CID devices, and low-cost 32-bit consumer appliances. The on-chip USB OTG enables direct host/device/OTG roles without an external PHY. When migrating from a PIC24 or dsPIC33 design, the PIC32MX preserves MPLAB X IDE project structure, MCC code configurator, and Harmony framework compatibility while offering higher throughput and larger memory windows. Designers should validate the -V temperature grade (-40C to +105C) against the end-product thermal envelope before committing to layout.

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