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PIC32MX440F512HT-80I/MR - 80MHz 32-bit MCU 512KB Flash | Microchip
PIC32MX440F512HT-80I/MR

PIC32MX440F512HT-80I/MR - 80MHz 32-bit MCU 512KB Flash | Microchip

The Microchip Technology PIC32MX440F512HT-80I/MR is a 32-bit MIPS32 M4K PIC microcontroller operating at up to 80 MHz with 512 KB of Flash program memory and 32 KB of SRAM, housed in a 64-pin VQFN (9x9 mm) package. It integrates USB-OTG, a 10-bit ADC with up to 16 channels, multiple PWM and timer peripherals, and up to 53 general-purpose I/O pins for embedded connectivity and control designs. The device operates from 2.3 V to 3.6 V across the industrial -40C to +85C temperature range. A PIC32MX microcontroller is a 32-bit MIPS-based MCU from Microchip that bridges 8/16-bit PIC designs and full 32-bit Cortex-class processing. Within the broader taxonomy, it belongs to microcontrollers > 32-bit microcontrollers > MIPS RISC microcontrollers > embedded processors > semiconductors. The PIC32MX family uses the MIPS32 M4K core with single-cycle multiply/divide hardware, a 5-stage pipeline, and a 32-bit instruction set compatible with the MIPS32 ISA, while retaining peripheral IP and toolchain familiarity from earlier PIC microcontrollers. Key features of the PIC32MX440F512HT-80I/MR include 80 MHz maximum CPU clock, 512 KB Flash with 32 KB RAM, USB 2.0 full-speed On-The-Go, a 16-channel 10-bit ADC with 1 Msps conversion, four 16-bit timers/counters, five PWM channels with input capture, two I2C and two UART/I2S peripherals, and parallel master port (PMP) for external bus expansion. The 64-pin VQFN package provides 53 digital I/O pins plus dedicated oscillator, programming/debug (PGECx/PGEDx), and supply pins. The "T" suffix denotes tape-and-reel packaging; the "I" suffix denotes industrial temperature grade. Architecturally, the PIC32MX440 integrates the M4K CPU, prefetch cache, dual-bank Flash with runtime self-programmability, DMA controller, and peripheral bus bridge on a single die. The 80 MHz core delivers 1.56 DMIPS/MHz and supports code execution directly from Flash via a 16-entry instruction cache, easing real-time control loops. The integrated USB-OTG PHY removes the need for an external transceiver in USB device/host/OTG designs. Typical applications include USB peripherals (HID, CDC, MSD, audio), industrial control HMI, low-cost graphical LCD interfaces, home automation gateways, and embedded data loggers. The USB-OTG integration suits the part to connected-device designs where a discrete USB PHY would inflate BOM cost. When designing with this device, pay attention to decoupling (100 nF + bulk capacitor at each VDD pin pair), trace length matching for the USB DP/DM differential pair (90 ohms), and adequate thermal relief on the exposed pad of the VQFN. The ICSP pins (PGECx/PGEDx) should be brought to a header for in-circuit programming. This page synthesizes distributor pricing, drop-in package-matched alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC32MX440F512HT-80V/MR - 80MHz 32-bit MCU 512KB Flash | Microchip
PIC32MX440F512HT-80V/MR

PIC32MX440F512HT-80V/MR - 80MHz 32-bit MCU 512KB Flash | Microchip

The Microchip Technology PIC32MX440F512HT-80V/MR is a 32-bit MIPS32 M4K microcontroller integrating 512 KB Flash, 32 KB RAM, a USB-OTG full-speed peripheral, and a 10-bit ADC, housed in a 64-pin 9x9 mm VQFN (MR) package with exposed thermal pad. It runs at 80 MHz core clock delivering 1.56 DMIPS/MHz (Dhrystone 2.1) and supports industrial temperature range operation. The device combines DSP-like signal processing throughput with the simplicity of a microcontroller and the connectivity of an integrated USB-OTG transceiver. A 32-bit MCU (microcontroller unit) is a single-chip computer integrating a CPU core, program and data memory, peripherals (timers, ADC, communication interfaces), and interrupt logic. PIC32MX4xx parts sit within the wider PIC32 family, between the entry-level PIC32MX1xx/2xx and the higher-end PIC32MX5xx/6xx/7xx series. They target cost-sensitive embedded designs needing 32-bit performance, USB connectivity, and ample code space without the cost of larger Flash/RAM variants. Key features include 512 KB single-voltage Flash with live update support, 32 KB SRAM, 16-channel 10-bit 1 Msps ADC, five 16-bit timers, two I2C, two SPI, two UART, USB-OTG full-speed with on-chip transceiver, four-input DMA controller with 4 KB DMA RAM, and parallel master port. Hardware multiply/divide and a 5-stage pipeline accelerate DSP-oriented firmware. The MR suffix denotes the 64-pin 9x9 mm VQFN with EPAD. Typical applications include USB peripherals and HID devices, industrial control panels, sensor hubs, low-cost audio processing, embedded web servers, and USB-to-UART bridges. The integrated USB-OTG transceiver eliminates external PHY cost on USB-device and embedded-host designs. Industrial-rated silicon (-40C to +105C junction in V-temp parts) supports factory-floor equipment. When designing with this part, allocate a sufficient bulk decoupling capacitor (4.7-10 uF) on VDDCORE and individual 0.1 uF ceramics on each AVDD/AVSS pair. Maintain trace length matching on USB DP/DM to within 4 mm to comply with USB 2.0 FS signal-integrity requirements. Use the parallel master port (PMP) carefully - pin remapping is limited compared to the GPIO. This page synthesizes distributor stock, parametric alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC32MX440F512HT-80V/PT - 512KB Flash 80MHz MCU | Microchip
PIC32MX440F512HT-80V/PT

PIC32MX440F512HT-80V/PT - 512KB Flash 80MHz MCU | Microchip

The Microchip Technology PIC32MX440F512HT-80V/PT is a 32-bit MIPS MCU from the PIC32MX4xx family featuring 512KB Flash, 32KB RAM, and USB-OTG, housed in a 64-pin TQFP (10x10mm) package. It runs at 80MHz core clock, includes a 10-bit ADC, DMA controller, and operates from 2.3V to 3.6V. This is the tape-and-reel / industrial -40C to +105C variant of the PIC32MX440F512H silicon. A 32-bit microcontroller (MCU) is an embedded processor that integrates CPU core, memory (Flash + SRAM), and peripherals on a single die. PIC32MX parts use the MIPS32 M4K core, which executes the MIPS instruction set at up to 80MHz with 5-stage pipeline and hardware multiply/divide. Within Microchip's taxonomy, PIC32MX sits above PIC24 (16-bit) and below the PIC32MZ/MK families, and is widely deployed in industrial, consumer, and USB-connected embedded systems. Key features of this part include USB-OTG (Full-Speed, with internal transceiver), 16-channel 10-bit ADC (1 MSPS), up to 5 UART/SPI/I2C peripherals, parallel master port (PMP) for graphics/parallel memories, and CTMU for capacitive touch. The 512KB Flash supports self-programmability for bootloader and field updates, and 32KB SRAM is enough for typical TCP/IP stacks or graphics frame buffers in mid-range designs. The PIC32MX4xx family uses a Harvard architecture with separate 32-bit instruction and 32-bit data paths, and integrates a prefetch cache to mask Flash wait-states. An integrated 8MHz internal RC oscillator with PLL provides flexible clocking. The 64-TQFP package exposes nearly all I/O (53 I/O pins) plus USB D+/D-, making it ideal for medium-pin-count USB-connected designs. Typical applications include industrial USB peripherals, point-of-sale (POS) terminals, embedded web/HMI servers using TCP/IP stacks, USB OTG device/host bridges, and human-machine interface (HMI) panels. Its combination of USB-OTG, large Flash, and 10-bit ADC makes it a workhorse for cost-sensitive industrial connectivity. When designing with this device, allocate at least 4.0Vcc capacitance (10uF + 0.1uF + 0.01uF) close to VDD/VSS pairs, and use the on-chip LDO (ENVREG pin tied high) to generate the internal 1.8V core rail from a single 3.3V supply. Programming/debugging uses 2-wire ICSP (PGECx/PGEDx); keep these traces short to avoid noise coupling. This page consolidates distributor pricing, verified drop-in alternatives from the same PIC32MX4xx family, and practical design notes not found on a single source page, helping engineers evaluate sourcing options quickly.

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PIC32MX450F128H-I/MR - 80MHz 128KB Flash 32-bit MCU | Microchip
PIC32MX450F128H-I/MR

PIC32MX450F128H-I/MR - 80MHz 128KB Flash 32-bit MCU | Microchip

The Microchip PIC32MX450F128H-I/MR is a 32-bit MIPS microcontroller from the PIC32MX3/4 family featuring an 80 MHz MIPS32 M4K core, 128 KB of Flash program memory and 32 KB of SRAM, housed in a 64-pin VQFN (MR) package with 9x9 mm body and exposed thermal pad. The device integrates a USB 2.0 Full-Speed OTG controller, two I2S/SPI modules, Peripheral Pin Select (PPS) for flexible peripheral routing, and a Parallel Master Port (PMP) for graphics interfaces. A 32-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, Flash program memory, SRAM data memory, and a rich set of peripherals (timers, ADC, communication controllers) on one silicon die. The PIC32MX family uses the MIPS32 architecture with the M4K microAptiv core, providing 1.56 DMIPS/MHz performance. Within the broader microcontroller hierarchy, the PIC32MX3/4 line sits between 8-bit PIC16/PIC18 devices and 32-bit Cortex-M based MCUs, offering higher performance than 8-bit parts with simpler toolchains than ARM Cortex-M. Key features include 128 KB Flash, 32 KB SRAM, up to 53 available I/O pins via Peripheral Pin Select, a 10-bit 1 Msps ADC with up to 28 input channels, two analog comparators, two I2C, two SPI/I2S, two UART modules, and a Charge Time Measurement Unit (CTMU) for touch and capacitive sensing. The CTMU enables capacitive touch buttons, sliders, and proximity sensing without external analog ICs. The PIC32MX450F128H-I/MR operates from 2.3V to 3.6V, supports -40C to +85C industrial temperature range, and offers 5V-tolerant digital I/O. The integrated USB 2.0 Full-Speed OTG controller supports device, host, and On-The-Go modes, eliminating the need for an external USB transceiver. The Peripheral Pin Select feature allows most digital peripherals to be remapped to any of several I/O pins, simplifying PCB layout. Typical applications include USB peripherals (HID, CDC, mass storage), audio interfaces using I2S, graphics with PMP-driven TFT panels, capacitive touch HMI using CTMU, industrial control with CAN-free connectivity, and consumer embedded devices requiring USB connectivity. The wide peripheral integration reduces external component count and BOM cost in connected embedded products. Designers should note the 64-pin VQFN (MR) footprint has an exposed thermal pad that must be soldered to the PCB ground plane for proper thermal dissipation and electrical performance. The 9x9 mm body allows routing escape for the 53 I/O signals. Decoupling capacitors (100 nF + 4.7 uF) must be placed within 3 mm of each VDD/VSS pair to ensure stable core and I/O operation. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC32MX450F128H-I/RG - 32-bit MCU, 128KB Flash, USB-OTG | Microchip
PIC32MX450F128H-I/RG

PIC32MX450F128H-I/RG - 32-bit MCU, 128KB Flash, USB-OTG | Microchip

The Microchip Technology PIC32MX450F128H-I/RG is a 32-bit MIPS32 M4K microcontroller integrating 128 KB of Flash and 16 KB of SRAM, delivered in a 64-pin QFN (9x9 mm) package and specified for the industrial -40C to +85C temperature range. The device runs the PIC32MX3/4 core at up to 80 MHz (Mouser listing) or up to 100 MHz/131 DMIPS (Microchip family datasheet), with the marketing maximum of 120 MHz / 150 DMIPS achievable at 2.3V to 3.6V on certain family members. A 32-bit microcontroller (MCU) is a single-chip computer whose central processing unit has a 32-bit data path, 32-bit registers, and a 32-bit address bus. The PIC32MX family sits in the PIC (Peripheral Interface Controller) lineage from Microchip, which evolved from 8-bit and 16-bit cores into a MIPS-derived 32-bit architecture. Within the broader taxonomy, the PIC32MX450F128H belongs to microcontrollers -> embedded processors -> RISC microcontrollers -> 32-bit microcontrollers -> semiconductor ICs. Key on-chip resources include a Full-Speed USB 2.0 On-The-Go (OTG) controller, two I2S/SPI modules for codec and serial audio, a Parallel Master Port (PMP) for graphics, Peripheral Pin Select (PPS) for flexible signal routing, a Charge Time Measurement Unit (CTMU), a 10-bit 1 Msps ADC with up to 28 channels, two analog comparators, two I2C peripherals, five 16-bit timers/counters, and standard 5V-tolerant GPIO on most pins. Code protection, JTAG/ICSP debugging, and a real-time clock calendar are also integrated. Architecturally, the PIC32MX450F128H uses the Harvard-style MIPS M4K core with separate instruction and data buses, prefetch cache, and a tightly-coupled DMA-free peripheral set. The result is deterministic interrupt latency and competitive MIPS/mW figures for low-cost 32-bit designs. Prefetch and Flash cache accelerate the 128 KB Flash array, while the 16 KB SRAM supports RAM-intensive stacks, USB descriptors, and graphics framebuffers without external memory. Typical applications include USB audio interfaces and USB HID/CDC devices, HMI panels with PMP-driven TFT or OLED displays, low-cost barcode scanners, home appliances with touch sensing via CTMU, industrial sensor hubs with CAN-ready bridges, IoT edge nodes using USB as the connectivity tether, and medical instrument front-ends. The integrated USB-OTG removes the need for an external PHY, lowering BOM cost on these designs. When designing with this part, choose the variant speed code carefully: -I/RG is the 80 MHz industrial-grade version in 64-QFN. If your design needs more headroom, evaluate the PIC32MX450F256H (256 KB Flash) or PIC32MX470F512H (512 KB Flash), both in the same 64-QFN footprint for a near-drop-in upgrade. Decoupling must include 100 nF on every VDD/AVDD pair plus a bulk 4.7-10 uF to keep the USB PLL and core logic rails quiet. This page synthesizes current distributor pricing, drop-in same-package alternatives, and practical design notes that go beyond a single datasheet, helping engineers shortlist PIC32MX replacements without sacrificing USB-OTG, graphics, or audio features.

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PIC32MX450F128H-V/RG - 32-bit MCU, 80MHz, 128KB Flash, USB | Microchip
PIC32MX450F128H-V/RG

PIC32MX450F128H-V/RG - 32-bit MCU, 80MHz, 128KB Flash, USB | Microchip

The Microchip Technology PIC32MX450F128H-V/RG is a 32-bit MIPS M4K microcontroller running up to 80 MHz with 128 KB of Flash program memory, housed in a 64-pin QFN (RG) 9x9 mm package with exposed thermal pad. It combines a high-performance RISC core with a rich set of integrated peripherals including two SPI/I2S, two I2C, four UART, two SPI, and a full-speed USB 2.0 device/host/OTG controller, making it ideal for cost-sensitive embedded applications that still demand USB connectivity. A microcontroller (MCU) is an integrated circuit that combines a CPU core, RAM, non-volatile Flash memory, and a wide range of peripheral interfaces in a single silicon die. PIC32 devices from Microchip extend the well-known 8-bit PIC architecture into the 32-bit MIPS M4K domain, providing 1.56 DMIPS per MHz (up to 150 DMIPS at 120 MHz). Within the broader taxonomy, this part sits in the category: microcontroller -> 32-bit MCU -> MIPS RISC MCU -> PIC32 family -> PIC32MX3/4 sub-family, which targets Audio/Graphics/Touch (HMI) and USB applications. Key features include 128 KB Flash with 16 KB RAM, a 10-bit ADC up to 1 Msps with up to 28 channels, 5 PWM outputs, 6 DMA channels for CPU-offload data movement, and a CTMU peripheral for capacitive touch sensing. The device operates from 2.3 V to 3.6 V, supports an industrial temperature range of -40C to +105C in the V (extended) variant, and integrates a real-time clock-calendar, a 16-bit timer/counter, and JTAG/ICSP debug ports. The architecture leverages a 5-stage pipeline MIPS M4K core with hardware multiply/divide and a unified prefetch cache, delivering deterministic interrupt response at 80 MHz. The integrated USB 2.0 full-speed PHY, paired with DMA-driven endpoints, enables HID, CDC, MSD, and vendor-class stacks without external transceivers, while the CTMU simplifies touch-button and slider designs. Typical applications include USB HID peripherals (keyboards, mice, custom input devices), low-cost audio accessories with I2S, capacitive-touch human-machine interfaces, USB-to-UART bridges, embedded web/IoT nodes, and consumer-electronics control panels. For each of these, the 128 KB Flash is sufficient for USB stacks plus application firmware. When designing with this part, pay attention to the decoupling network: at least 10 uF bulk plus 0.1 uF ceramics per VDD/VSS pair is recommended, and the exposed pad must be soldered to the ground plane for both thermal dissipation and signal integrity. For USB applications, route the D+/D- traces as a 90-ohm differential pair. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a one-stop engineering reference.

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PIC32MX450F128HT-I/MR - 80MHz 32-bit MCU 128KB Flash | Microchip
PIC32MX450F128HT-I/MR

PIC32MX450F128HT-I/MR - 80MHz 32-bit MCU 128KB Flash | Microchip

The Microchip Technology PIC32MX450F128HT-I/MR is a 32-bit MIPS32 M4K microcontroller operating up to 80 MHz with 128 KB of Flash program memory and 32 KB of SRAM, housed in a 64-pin VQFN (9x9 mm) package with industrial-grade -40C to +85C temperature rating. It integrates two analog comparators, two I2C, two SPI/I2S, five UART, and a USB 2.0 Full-Speed OTG controller, with 28 channels of 10-bit ADC. A 32-bit microcontroller (MCU) is an integrated circuit containing a 32-bit CPU core, volatile and non-volatile memory, and a rich set of programmable peripherals. PIC32MX MCUs from Microchip sit in the broader category of embedded microcontrollers, themselves a class of microprocessors tuned for deterministic real-time control. The PIC32MX family uses the MIPS32 M4K Harvard architecture, providing single-cycle multiplication and hardware Multiply-Accumulate (MAC) support for DSP-like workloads while retaining a low power budget. Key features include 128 KB Flash with self-programming in-field upgrade support, 32 KB RAM, 5 UART, 2 SPI/I2S, 2 I2C, USB-OTG Full-Speed, 5 timers, 4-channel DMA, and 28 channels of 10-bit ADC providing 1 Msps conversion. The 80 MHz core delivers up to 1.53 DMIPS/MHz per the MIPS M4K pipeline, making the part suitable for embedded graphics, USB peripherals, and connectivity stacks. Architecture-wise, the device combines 32-bit MIPS execution with Microchip's peripheral set, allowing seamless migration from PIC24/dsPIC33 code bases through Microchip's Harmony framework. An integrated 8-channel DMA engine moves data between peripherals and RAM without CPU intervention, freeing the core for control and stack processing. The 64-pin VQFN package exposes up to 49 user I/O pins. Typical applications include USB peripherals (HID, CDC, MSD), industrial control with CAN-style timing, low-cost graphics HMI using PMP, embedded audio playback via I2S, and low-power connected sensors with USB charging. The industrial temperature range makes the part suitable for factory floor instrumentation. Designers should route the four USB DP/DN lines as a 90-ohm differential pair with a precise 45 ohm series resistor at the device side, and place the VBUS/VUSB3V3 decoupling capacitor within 3 mm of the corresponding pin. The internal 8 MHz Fast RC oscillator can be used for USB operation but a calibrated 48 MHz is required for Full-Speed USB. This page synthesizes distributor pricing, drop-in PIC32MX family alternatives, USB reference design notes, and DMA-driven design patterns not consolidated in a single manufacturer datasheet section.

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PIC32MX450F128HT-I/PT - 80MHz 32-bit MCU 128KB Flash USB | Microchip
PIC32MX450F128HT-I/PT

PIC32MX450F128HT-I/PT - 80MHz 32-bit MCU 128KB Flash USB | Microchip

The Microchip PIC32MX450F128HT-I/PT is a 32-bit MIPS M4K microcontroller operating up to 80 MHz, integrating 128 KB of Flash program memory and 32 KB of SRAM into a 64-pin TQFP (10x10 mm) package. Designed for low-cost embedded designs that need USB 2.0 Full-Speed, the device also offers 10-bit ADC, two analog comparators, two I2C, two SPI/I2S, and 28 channels of dedicated DMA-capable I/O. The 'T' suffix in the part number indicates Tape & Reel packaging, and the industrial -I grade supports an extended -40C to +85C operating range. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), working memory (RAM), and a rich set of peripherals (ADC, timers, communication interfaces) into one device. Within the broader semiconductor taxonomy, the PIC32MX family belongs to microcontrollers -> embedded processors -> ICs. The MIPS M4K core implements a 32-bit RISC architecture, and at 80 MHz the device delivers 1.56 DMIPS/MHz-class performance, well above legacy 8-bit PIC MCUs while remaining code-compatible with the established PIC ecosystem. Key features of the PIC32MX450F128HT-I/PT include integrated USB 2.0 Full-Speed On-The-Go (OTG) with dedicated DMA, a 10-bit 1 Msps ADC, two analog comparators with programmable reference, RTCC hardware calendar/clock, and Configurable Logic Cell (CLC) blocks for glue-logic replacement. The PIC32MX3/4 peripheral set is widely documented across hundreds of application notes and frameworks such as MPLAB Harmony 3. Typical applications include USB peripherals (HID, CDC, MIDI, custom-class), industrial control front-ends, multi-channel sensor aggregation, and consumer audio subsystems that benefit from I2S. The USB OTG and high channel-count DMA also make this MCU attractive for Human-Interface Devices and low-latency control loops. When designing with this part, plan for the 2.5 V / 3.3 V supply domain and add a 32-bit differential capacitor on VDD/VSS, plus an external 12 MHz or 24 MHz crystal for USB operation. Firmware should be developed in MPLAB X IDE with Harmony 3 to allow software to reuse the USB stack, DMA drivers, and TCP/IP libraries that ship in the framework. This page synthesizes distributor pricing, verified drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a single reference for sourcing, replacement, and bring-up of the PIC32MX450F128HT-I/PT.

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PIC32MX450F128HT-I/RG - 80MHz 32-bit MCU 128KB Flash | Microchip
PIC32MX450F128HT-I/RG

PIC32MX450F128HT-I/RG - 80MHz 32-bit MCU 128KB Flash | Microchip

The Microchip Technology PIC32MX450F128HT-I/RG is a 32-bit MIPS M4K microcontroller running at 80 MHz, integrating 128 KB of Flash and 32 KB of SRAM in a 64-pin QFN (RG) 9x9 mm package with an exposed thermal pad. It is part of the PIC32MX3/4 family, which combines 32-bit performance with rich integrated peripherals at low cost for embedded applications. A 32-bit microcontroller (MCU) is a programmable computing device that executes instructions from a 32-bit-wide data path, enabling higher code density, faster arithmetic, and richer peripheral integration than 8-bit or 16-bit MCUs. The PIC32MX series is part of the broader MCU taxonomy: 32-bit MCU -> microcontroller -> programmable logic device -> semiconductor. It uses the MIPS32 M4K core, a Harvard-architecture RISC processor widely adopted in networking, industrial, and consumer applications. Key features include 80 MHz operation, 128 KB Flash program memory, 32 KB SRAM, two SPI/I2S modules, two I2C modules, two UART modules, 28 ADC channels with 10-bit resolution, five 16-bit timers/counters, and a parallel master port. Operating voltage is 2.3V to 3.6V with industrial temperature range of -40C to +85C. The exposed thermal pad on the 64-QFN package enhances thermal dissipation. The PIC32MX450F128H architecture uses a 5-stage pipeline M4K core capable of 1.53 DMIPS/MHz, with single-cycle multiplication, hardware multiply-accumulate, and zero-overhead loop control. Peripheral integration includes USB 2.0 Full-Speed On-The-Go, CAN 2.0B, and up to 53 general-purpose I/O pins, supporting versatile mixed-signal embedded designs. Typical applications include industrial control, USB peripherals, automotive body electronics, home appliances, consumer electronics, and IoT edge devices. The combination of USB, CAN, ADC, and rich communication interfaces suits sensor hubs and HMI touch controllers. When designing with this device, ensure proper decoupling with 100 nF capacitors placed close to each VDD pin and a bulk capacitor on the VBAT rail. The exposed thermal pad must be soldered to a copper pour to meet thermal specifications and provide a low-impedance ground return.

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PIC32MX450F128HT-V/RG - 32-bit MCU, 128KB Flash, 64-QFN | Microchip
PIC32MX450F128HT-V/RG

PIC32MX450F128HT-V/RG - 32-bit MCU, 128KB Flash, 64-QFN | Microchip

The Microchip Technology PIC32MX450F128HT-V/RG is a 32-bit MIPS32 M4K microcontroller offering 128KB Flash, 16KB SRAM, and a 64-pin 9x9 mm QFN (RG) package with automotive-grade qualification under the -V temperature range. The device runs at up to 80 MHz core clock and integrates a USB 2.0 full-speed OTG controller, two I2C, two SPI/I2S, five UART, two comparators, a 28-channel 10-bit ADC, RTCC, DMA, and PMP. A 32-bit microcontroller (MCU) is a single-chip computer whose data path, registers, and arithmetic logic unit operate on 32 bits per instruction, enabling higher throughput, larger linear address space, and richer peripheral integration than 8-bit or 16-bit MCUs. The PIC32MX4 family specifically targets cost-sensitive embedded designs that need 32-bit performance plus USB connectivity, sitting in the broader hierarchy MCU -> microcontroller -> embedded controller -> semiconductor. Key specifications include 128 KB Flash program memory organized as 128K x 8, 16 KB SRAM data memory, 8 KB bootloader Flash, and a 1.2 DMIPS/MHz core delivering up to 96 DMIPS at 80 MHz. The integrated USB 2.0 full-speed OTG transceiver eliminates the need for an external PHY, while the 28-channel 10-bit ADC with 1 Msps throughput supports mixed-signal acquisition. The PIC32MX450F128H architecture combines a Harvard bus structure with a 5-stage pipeline, single-cycle 32x32 hardware multiplier, and zero-overhead hardware debug interface. The -V (automotive) variant supports an extended junction temperature range suitable for under-hood and AEC-Q100 qualified designs. Typical applications include USB peripherals and HID devices, automotive body controllers, industrial sensor hubs, low-cost graphical HMI with PMP, and consumer appliances requiring 32-bit performance with USB connectivity. The wide peripheral mix allows BOM reduction by integrating ADC, comparators, and USB on-chip. When designing with this MCU, ensure the 64-QFN exposed pad is soldered to a sufficient copper pour (minimum 1 square inch of 1 oz copper) to meet thermal resistance specification. Use the internal 8 MHz FRC with PLL configuration for low-EMI designs, and enable the JTAG/SWD trace interface for boundary-scan testing. This page synthesizes distributor pricing, automotive-grade drop-in alternatives, and practical PCB layout notes not consolidated on the manufacturer product page.

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PIC32MX450F128L-V/PF - 80MHz 32-bit MCU 128KB Flash 100-TQFP | Microchip
PIC32MX450F128L-V/PF

PIC32MX450F128L-V/PF - 80MHz 32-bit MCU 128KB Flash 100-TQFP | Microchip

The Microchip PIC32MX450F128L-V/PF is a 32-bit MIPS32 M4K microcontroller running at 80 MHz with 128 KB Flash and a USB 2.0 Full-Speed OTG controller, housed in a 100-pin TQFP package (14x14 mm). It integrates a rich peripheral set including two I2S/SPI modules for audio codec and serial communication, Peripheral Pin Select (PPS) for flexible signal routing, and a Parallel Master Port (PMP) for graphics interfaces, plus a Charge Time Measurement Unit (CTMU) for capacitive touch sensing. Operating voltage is 2.3V to 3.6V across an industrial temperature range of -40C to +105C, making it suitable for harsh environments and consumer/industrial HMI products. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory (Flash for code, SRAM for data), and a programmable peripheral set around an internal bus. The PIC32MX450 belongs to the broader PIC32 family of MIPS-based 32-bit microcontrollers, which sits within Microchip's MCU portfolio alongside PIC16, PIC18, PIC24/dsPIC, and SAM Cortex-M lines. The "MX" family specifically targets USB-enabled, audio/graphics/touch (HMI) applications with up to 512 KB Flash and 128 KB SRAM per device, making it well-suited for connected embedded designs that need deterministic real-time performance plus a USB device/host/OTG interface. Key features of the PIC32MX450F128L-V/PF include up to five 16-bit timers, two analog comparators, two I2C and two SPI/I2S modules, 28 ADC channels (10-bit, 1 MSPS), a 5-bit DAC, and 84 GPIO-capable I/O lines through the PPS system. The -V speed grade specifies 80 MHz operation, while the -120 variant of the same die supports 120 MHz for performance-hungry designs. The part carries industrial-grade temperature qualification (V suffix in this MPN line typically denotes the 105C-rated operating range), and the /PF suffix denotes the 100-pin TQFP (14x14 mm) package with Pb-free / RoHS lead finish. Typical applications for this part include USB Human Interface Devices (HID), audio playback and recording products with I2S codecs, low-cost graphics HMI panels using PMP to external LCD controllers, capacitive-touch control panels via CTMU, and connected sensor hubs that need USB device connectivity. The combination of USB OTG, I2S, and PMP makes it a particularly strong fit for consumer audio accessories and small HMI products. When designing with this part, allocate decoupling capacitance (typically 100 nF plus 10 uF bulk) close to each VDD/AVDD pair, route the USB DP/DM lines as a 90 ohm differential pair with a stable ground reference, and configure the PLL and FRC postscaler carefully to hit the desired system clock while keeping USB's 48 MHz reference jitter within the USB 2.0 specification. This page synthesizes distributor pricing, same-package drop-in alternatives within the PIC32MX family, and practical USB/audio/HMI design notes that go beyond the manufacturer datasheet to help embedded engineers select and source the right 100-TQFP variant for their application.

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PIC32MX450F128L-V/PT - 32-bit MCU 80MHz 128KB Flash 100-TQFP | Microchip
PIC32MX450F128L-V/PT

PIC32MX450F128L-V/PT - 32-bit MCU 80MHz 128KB Flash 100-TQFP | Microchip

The Microchip Technology PIC32MX450F128L-V/PT is a 32-bit MIPS32 M4K PIC microcontroller running at up to 80 MHz (100 MHz max with the family), with 128 KB of Flash program memory and 32 KB of SRAM, housed in a 100-pin TQFP (PT) package. It integrates a USB 2.0 Full-Speed OTG controller, two I2S/SPI modules, Peripheral Pin Select (PPS), a Parallel Master Port (PMP) for graphics, and a Charge Time Measurement Unit (CTMU) for touch and capacitive sensing. A 32-bit microcontroller (MCU) is a single-chip computer whose data bus, registers and ALU are 32 bits wide, providing higher throughput, larger addressable memory and richer peripherals than 8-bit or 16-bit MCUs. PIC32MX4 devices belong to the broader Microchip PIC32 family of MIPS-based microcontrollers, which sit hierarchically within the MCU -> microcontroller -> embedded computing -> semiconductor taxonomy, and they integrate flash, SRAM, analog and digital peripherals in a single chip to enable compact embedded designs. Key features of the PIC32MX450F128L-V/PT are an operating voltage range of 2.3V to 3.6V, an industrial temperature range of -40C to +105C, dual I2C, dual SPI/I2S, dual UART, a 10-bit ADC with up to 28 channels, an 8-bit Parallel Master Port, a Real-Time Clock and Calendar (RTCC), five 16-bit timers/counters and Peripheral Pin Select that remaps most digital peripherals to almost any I/O pin. Architecturally, the part uses a 5-stage pipelined MIPS32 M4K core with hardware multiply/divide and a single-cycle 32-bit ALU. The integrated Full-Speed USB 2.0 OTG controller (12 Mbps) with on-chip transceiver, dedicated DMA and dedicated RAM reduces external component count, while PPS allows designers to assign UART/SPI/I2S/timer functions to almost any I/O pin, simplifying PCB layout when remapping peripherals between board revisions. Typical applications include USB peripherals and Human Interface Devices (HID), audio playback or recording with the I2S ports, low-cost graphical HMI panels with the PMP, capacitive-touch user interfaces, industrial control nodes, and connected sensor / IoT endpoints. When designing with this device, pair it with a 3.3V LDO such as the MCP1700 and a 4-layer PCB for clean USB signal integrity. The "V" temperature grade suffix limits operation to -40C to +105C - if you need the full -40C to +125C industrial grade, choose the "/I" or "/E" suffix variant instead. This page synthesizes distributor stock from DigiKey and Mouser, the Microchip parametric page and family data sheet, same-brand drop-in alternatives from the PIC32MX3/4 family and a cross-brand drop-in option, plus design notes that go beyond what the data sheet provides.

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PIC32MX450F128L-V/TL - 80MHz 32-Bit MCU 128KB Flash USB | Microchip
PIC32MX450F128L-V/TL

PIC32MX450F128L-V/TL - 80MHz 32-Bit MCU 128KB Flash USB | Microchip

The Microchip Technology PIC32MX450F128L-V/TL is a 32-bit MIPS32 M4K microcontroller running up to 80 MHz, integrating 128 KB Flash and 16 KB SRAM in a 124-pin VTLA (9x9 mm) surface-mount package with exposed pad. It belongs to the PIC32MX3/4 family, designed as a low-cost 32-bit MCU with USB 2.0 full-speed (USB-OTG), two SPI/I2S interfaces, two I2C, two UART, an 8-bit PMP for graphics or external memory, and a 10-bit 1 Msps ADC with up to 28 analog channels. A 32-bit microcontroller (MCU) is an integrated circuit that combines a 32-bit processor core, program and data memory, and a configurable set of on-chip peripherals (ADC, timers, communication interfaces, I/O) on a single silicon die. Microcontrollers sit at the top of the embedded-system hierarchy: system-on-module -> MCU -> CPU core -> instruction set, enabling battery-powered and cost-sensitive products to perform deterministic real-time control. The PIC32MX series uses the MIPS32 instruction set with the M4K pipeline to deliver up to 150 DMIPS while keeping active power below 1 mA/MHz in typical conditions. Key features of the PIC32MX450F128L-V/TL include 128 KB Flash (128K x 8), 16 KB SRAM, USB 2.0 full-speed OTG with on-chip transceiver, two analog comparators with 2 us response, a 10-bit 1 Msps ADC with 28 channels, five 16-bit timers/captures, and a Parallel Master Port for graphics or memory expansion. The -V grade denotes an operating range of -40C to +105C; the /TL suffix identifies a 124-VTLA tray/tube packaging variant. Architecturally the device uses a Harvard-style bus with separate Flash and RAM paths, a 5-stage M4K pipeline, and a multi-vector interrupt controller. The 124-VTLA package exposes up to 97 general-purpose I/O pins and a dedicated trace interface for real-time instruction trace through dedicated TRCLK/TRDx pins, which simplifies firmware debugging on production hardware. Typical applications include USB-equipped industrial HMI panels, audio playback devices using SPI/I2S codecs, low-cost graphics terminals using the PMP bus, sensor aggregation hubs with USB-CDC virtual COM port, and USB HID/mouse/keyboard controllers. Its combination of USB, PMP, and 28-channel ADC makes it well suited to multi-signal embedded designs. When designing with this part, allocate the exposed thermal pad (EP) directly under the IC to a continuous top-layer ground pour to keep junction temperature within the 105C operating envelope. The PIC32MX3/4 datasheet recommends a 10 uF + 0.1 uF decoupling pair on each VDD/VSS pin pair placed within 5 mm of the package, and a dedicated ferrite-bead-isolated USB VBUS rail to keep high-frequency USB transients away from the analog supply. This page synthesizes the Microchip datasheet, current DigiKey/Mouser pricing, drop-in same-package alternatives, and practical PCB and USB-bus design notes not aggregated in any single distributor listing.

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PIC32MX450F128LT-I/PT - 32-bit 80MHz 128KB Flash MCU | Microchip
PIC32MX450F128LT-I/PT

PIC32MX450F128LT-I/PT - 32-bit 80MHz 128KB Flash MCU | Microchip

The Microchip Technology PIC32MX450F128LT-I/PT is a 32-bit MIPS32 M4K PIC microcontroller running at 80 MHz with 128 KB of Flash program memory and a 100-pin TQFP (12x12 mm) package, built on the PIC32MX3/4 family platform. This single-core MCU delivers up to 100 DMIPS of computational performance while integrating 2 SPI/I2S, 2 I2C, 2 analog comparators, USB 2.0 full-speed, and a 28-channel 10-bit ADC on-chip, eliminating external peripheral ICs. A microcontroller (MCU) is a single-chip computer that combines a CPU core, program and data memory, and configurable I/O peripherals. The PIC32MX family uses the MIPS32 M4K core, a 32-bit RISC architecture from Imagination Technologies that Microchip licenses - making PIC32MX a 32-bit performance step above the 8-bit PIC16/PIC18 and 16-bit PIC24 families, while sharing Microchip's MPLAB X IDE and Harmony framework ecosystem. Within the power management and embedded control hierarchy, PIC32MX MCUs sit between Cortex-M0/M0+ microcontrollers and Cortex-M3/M4 parts in both performance and cost. Key features include 80 MHz core clock (up to 100 MHz in some family variants), 128 KB single-cycle Flash with live update support, 32 KB SRAM, 2 SPI/I2S ports, 2 I2C ports, 2 UART ports, a USB 2.0 full-speed device/host/OTG controller, 5 16-bit timers/counters, and a 28-channel 10-bit 1 Msps ADC. The wide 2.3V to 3.6V supply range simplifies single-rail designs from 3.3V lithium or USB-fed power trees. Architecturally, the PIC32MX450 uses a 5-stage MIPS pipeline with hardware multiply/divide, single-cycle Flash read through a 128-bit wide prefetch buffer, and a dedicated DMA controller for peripheral-to-memory transfers without CPU intervention. The 80 MHz part variant is a power-optimized speed grade of the 100 MHz PIC32MX450 family, ideal for cost-sensitive applications that do not need maximum throughput. Typical applications include USB peripherals (HID, CDC, mass storage), IoT edge nodes with TCP/IP stacks, industrial sensor hubs, consumer appliances with capacitive touch via the Peripheral Pin Select (PPS) feature, and 32-bit upgrade paths for legacy PIC24 or PIC32MX1/2 designs. The 100-pin TQFP package offers 78 usable I/O pins plus USB transceiver pins, sufficing for human-machine interface (HMI) panels and small graphics. When designing with this device, leave a 1 MOhm pull-up on the TMS pin for reliable 4-wire JTAG operation, and follow Microchip's Section 2.0 "Guidelines for Getting Started with 32-bit MCUs" - especially the 10 uF bulk + 0.1 uF decoupling arrangement within 6 mm of each VDD/VSS pin pair to keep the ADC noise floor low. The PT suffix designates the 100-pin TQFP package. This page synthesizes distributor pricing, drop-in PIC32MX alternatives, and practical design notes not found in a single datasheet chapter.

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PIC32MX450F128LT-I/TL - 32-bit MCU 128KB Flash 124-VTLA | Microchip
PIC32MX450F128LT-I/TL

PIC32MX450F128LT-I/TL - 32-bit MCU 128KB Flash 124-VTLA | Microchip

The Microchip PIC32MX450F128LT-I/TL is a 32-bit MIPS32 M4K RISC microcontroller delivering 80 MHz CPU performance with 128 KB Flash and 32 KB SRAM in a 124-pin VTLA EP surface-mount package. It supports an operating voltage range of 2.3V to 3.6V (typical 2.5V/3.3V rails) and runs at industrial temperature grade -40C to +85C with tape-and-reel packaging. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), working memory (SRAM), and peripherals such as ADC, timers, and communication interfaces. The PIC32MX family specifically bridges 8-bit PIC legacy code to true 32-bit MIPS performance while retaining peripheral compatibility. Within the broader taxonomy, the PIC32MX450F128L belongs to MCU > 32-bit microcontroller > MIPS architecture > embedded controller > semiconductor IC. Key differentiating features include two analog comparators, two I2C interfaces, two SPI/I2S channels, five 16-bit timers, a 28-channel 10-bit ADC, USB 2.0 full-speed device/host/OTG, and four dedicated DMA channels. The MIPS32 M4K core executes most instructions in a single cycle and includes a hardware multiply/divide unit, achieving up to 1.56 DMIPS/MHz. The architecture combines Harvard bus organization with separate instruction and data paths, plus a prefetch cache to mitigate Flash wait states at full 80 MHz. Code protection, JTAG and two-wire programming/debug interfaces support field updates. The 124-pin VTLA EP package exposes ample I/O for parallel buses, multiple serial channels, and external memory interfaces. Typical applications include USB peripherals (HID, CDC, mass storage), industrial control and HMI panels, audio processing with I2S codec interfaces, multi-channel sensor data acquisition, and consumer devices requiring USB connectivity. The integrated USB 2.0 FS OTG controller eliminates the need for an external PHY in low-cost designs. A key design consideration is decoupling: place 0.1 uF and 10 uF capacitors close to each power pin pair, and reserve the VBUS pin for 5V-tolerant USB operation. For analog accuracy, route the AVDD/VSS pair with a ferrite bead and keep ADC traces away from switching nodes. This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes that are not consolidated in the manufacturer datasheet.

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PIC32MX450F128LT-V/PT - 80MHz 32-bit MCU 128KB Flash | Microchip
PIC32MX450F128LT-V/PT

PIC32MX450F128LT-V/PT - 80MHz 32-bit MCU 128KB Flash | Microchip

The Microchip PIC32MX450F128LT-V/PT is a 32-bit MIPS32 M4K microcontroller IC running at 80MHz, integrating 128KB of Flash program memory and offering USB 2.0 Full-Speed OTG connectivity in a 100-pin TQFP (12x12 mm) package. It is part of the PIC32MX3/4 family, which combines 32-bit performance, integrated peripherals and low cost for general-purpose embedded designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), working memory (RAM), and peripherals such as timers, communication interfaces and ADCs. The PIC32MX450 belongs to the MIPS32 M4K core family, which in the broader taxonomy is classified as a RISC microcontroller -> 32-bit MCU -> embedded processor -> semiconductor. The "32-bit" designation refers to the data bus width and ALU width, allowing larger address spaces and higher throughput than 8-bit or 16-bit MCUs. Key features of the PIC32MX450F128LT-V/PT include: 128KB Flash (128K x 8), 32KB RAM, two I2C interfaces, two SPI/I2S modules supporting audio codecs, two analog comparators, a 10-bit ADC with up to 28 channels, two UART modules, and a USB 2.0 Full-Speed On-The-Go controller. The device also provides a Parallel Master Port (PMP) for graphics interfaces, Peripheral Pin Select (PPS) for flexible pin assignment, and a Charge Time Measurement Unit (CTMU) for touch and capacitive sensing. Architecturally, the PIC32MX450 uses the MIPS32 M4K Harvard core with a 5-stage pipeline, single-cycle multiply and hardware divide. The integrated USB 2.0 Full-Speed OTG controller with on-chip transceiver eliminates the need for an external PHY. PPS allows most digital peripherals to be remapped to a wide range of pins, simplifying PCB layout and BOM flexibility. The CTMU uses a constant-current source for accurate time measurement, enabling touch buttons, flow meters and precise timing applications. Typical applications include industrial control panels, USB HID peripherals, audio processing with external CODECs, small graphical HMI displays using PMP, automotive body and infotainment subsystems (the "-V" suffix denotes the -40C to +105C automotive temperature grade), consumer electronics with USB connectivity, and medical low-power data acquisition. When designing with this device, ensure the operating voltage stays within 2.3V to 3.6V and provide adequate decoupling (typically 100nF plus 10uF bulk) close to each power pin. The USB bus requires 90 ohm differential impedance routing and a 1uF VBUS capacitor. For PMP graphics applications, allocate sufficient PCB area for the data/control traces and verify timing against the display controller's setup/hold requirements. This page synthesizes distributor pricing, drop-in alternative MPNs within the same 100-TQFP footprint, and practical design considerations not found on the manufacturer product page alone.

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PIC32MX450F128LT-V/TL - 80MHz 32-bit MCU 128KB Flash USB OTG | Microchip
PIC32MX450F128LT-V/TL

PIC32MX450F128LT-V/TL - 80MHz 32-bit MCU 128KB Flash USB OTG | Microchip

The Microchip Technology PIC32MX450F128LT-V/TL is a 32-bit MIPS32 M4K microcontroller running up to 80MHz, integrating 128KB of Flash program memory, 32KB of SRAM, and a USB 2.0 Full-Speed OTG controller in a 124-pin VTLA (9x9 mm) surface-mount package. It is a member of the PIC32MX3/4/5/6/7 family and operates from a 2.3V to 3.6V supply with industrial-grade -40C to +105C temperature range. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), working memory (SRAM), and a rich set of peripherals on one die. Within the broader taxonomy, the PIC32MX450F128L belongs to the class of 32-bit microcontrollers -> RISC microcontrollers -> MIPS-based MCUs -> embedded microcontrollers -> semiconductors. This positioning gives engineers 32-bit performance at near-8-bit pricing, and the integrated USB OTG peripheral removes the need for an external USB transceiver in many designs. Key features include two I2S/SPI modules for codec and serial communication, Peripheral Pin Select (PPS) for flexible signal routing, a Parallel Master Port (PMP) for graphics or external memory interfaces, a Charge Time Measurement Unit (CTMU) for capacitive touch and accurate time-of-flight measurements, two analog comparators, a 10-bit 1 MSPS ADC, and connectivity peripherals covering I2C, IrDA, LIN bus, SPI, UART/USART, and USB OTG. The 80 MHz core delivers up to 105 DMIPS, providing headroom for protocol stacks such as USB, TCP/IP via software, or audio processing. Architecturally, the device uses a Harvard-style 5-stage pipeline with a hardware multiply/divide unit, separate instruction and data buses, and a Prefetch Cache Module (PCM) that hides Flash latency. The 128KB Flash is single-cycle accessible when running from cache, and 32KB SRAM is large enough for full TCP/IP stacks or graphics framebuffers when paired with PMP-driven displays. Typical applications include USB peripherals such as HID, CDC, MSD, and audio class devices, embedded audio with I2S codec interfacing, capacitive touch HMIs using CTMU, low-cost graphics displays driven via PMP, and industrial connectivity bridges (LIN, IrDA, RS-485). The integrated USB OTG and rich peripherals make it well-suited for sensor hubs and protocol-converter designs. When designing, pay attention to the VTLA 9x9 mm package - it requires careful PCB thermal and routing planning due to 0.5 mm pitch and a center thermal pad. PPS must be configured in code before using remapped peripherals, and the USB bus needs a 48 MHz clock from the on-chip PLL. This page combines verified distributor pricing, drop-in alternatives, and engineering design notes that go beyond the manufacturer datasheet to accelerate your PIC32MX450F128LT-V/TL selection and integration.

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PIC32MX450F256H-120/MR - 120MHz 32-bit MCU, 256KB Flash | Microchip
PIC32MX450F256H-120/MR

PIC32MX450F256H-120/MR - 120MHz 32-bit MCU, 256KB Flash | Microchip

The Microchip Technology PIC32MX450F256H-120/MR is a 32-bit MIPS32 M4K microcontroller running up to 120 MHz (150 DMIPS), integrating 256 KB of Flash and 64 KB of SRAM, housed in a 64-pin QFN package (9x9 mm, MR suffix). The device integrates USB 2.0 full-speed, dual I2S/SPIs, dual I2C, five UARTs, two analog comparators, a 16-channel 10-bit ADC, and a 6-channel DMA controller for high-throughput peripheral handling. What is a PIC32 microcontroller? The PIC32MX family is Microchip's 32-bit extension of the legacy 16-bit PIC24/dsPIC architecture, based on the MIPS32 M4K core. It sits in the hierarchy 32-bit MCU -> microcontroller -> embedded processor -> semiconductor. PIC32MX parts are widely used in audio/graphics/touch human-machine interface (HMI) applications, USB peripherals, and mixed-signal embedded designs that require more processing headroom than 8/16-bit PIC MCUs while retaining the MPLAB X toolchain. Key differentiating features include the 120 MHz core frequency (vs 80 MHz on lower-numbered PIC32MX3/4 variants), 256 KB Flash with pre-fetch cache for zero-wait-state execution, and a flexible DMA engine that offloads ADC and SPI transactions. The device supports an industrial-grade temperature range and operates from 2.3 V to 3.6 V. Five 16-bit timers/captures, five input-capture and five output-compare/PWM channels give substantial timing flexibility for motor control and power conversion. Typical applications include USB audio interfaces, capacitive-touch HMI panels, industrial control boards with USB device/host stacks, graphics-enabled display controllers, and embedded data loggers. The integrated USB OTG controller eliminates the need for an external transceiver in low-cost designs. When designing with this MCU, allocate 4 KB of Flash for the bootloader and reserve a contiguous SRAM region for USB endpoint buffers. Decouple VDD with 100 nF X7R at each pin pair and add a 10 uF bulk capacitor near the VCORE/VCAP pin. Keep the 48 MHz USB clock trace short to avoid EMI. This page synthesizes distributor pricing, same-family drop-in alternatives, and practical layout guidance not collected in any single vendor datasheet, helping engineers and procurement teams evaluate the PIC32MX450F256H-120/MR quickly.

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PIC32MX450F256H-120/PT - 32-bit MCU 120MHz 256KB Flash 64-TQFP | Microchip
PIC32MX450F256H-120/PT

PIC32MX450F256H-120/PT - 32-bit MCU 120MHz 256KB Flash 64-TQFP | Microchip

The Microchip PIC32MX450F256H-120/PT is a 32-bit MIPS M4K microcontroller running up to 120 MHz delivering 150 DMIPS, with 256 KB Flash and 65 KB SRAM, housed in a 64-pin TQFP (10x10 mm) package. It belongs to the PIC32MX3/4 family combining 32-bit performance with integrated USB, two I2S/SPI audio interfaces, IRDA, six DMA channels, and 2 analog comparators. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (Flash), working memory (SRAM), and integrated peripherals such as timers, communication controllers and analog blocks. PIC32MX parts sit in Microchip's MIPS-based 32-bit line, between the 8-bit PIC16/PIC18 families and the 64-bit MIPS-class parts, and target cost-sensitive embedded designs that need more headroom than 8-bit cores without moving to ARM Cortex-M. The "M4K" pipeline implements a 5-stage MIPS32 release 2 architecture with hardware multiply/divide and DSP-style multiply-accumulate, so the 120 MHz clock yields 150 DMIPS while consuming as little as ~70 mA active. Key features include two SPI/I2S peripherals for audio or external ADC/DAC streaming, a full-speed USB 2.0 device/host/OTG controller, a 16-channel 10-bit 1 Msps ADC, five 16-bit timers, six UARTs, two I2C modules and an IrDA SIR encoder/decoder. The 64-pin package exposes up to 53 GPIO, the Parallel Master Port (PMP) for graphics or external memory, and CTMU + 5-bit DAC comparators enabling capacitive touch sensing. Architecturally, the part pairs the MIPS M4K core with a 32 KB instruction cache (prefetched from Flash) and a separate 4 KB RAM cache, which together explain why the 120 MHz core can approach 150 DMIPS despite Flash access times that would otherwise bottleneck execution - the cache pre-loads instructions ahead of demand. Typical applications include USB audio bridges, HMI panels using PMP-driven LCDs, low-cost digital photo frames, industrial control with CAN-bridge via SPI, motor control with PWM, and USB-CDC class devices. The combination of USB, I2S, and CTMU in a 64-pin TQFP suits compact consumer and industrial hardware. When designing, ensure VDD/VSS pairs have 0.1 uF ceramic bypass within 5 mm of every supply pin, and provision a 4.7-10 uF bulk cap at the regulator output. Program Flash endurance is rated for a minimum of 1,000 erase/write cycles per sector - reserve EEPROM emulation or wear-leveling if your firmware updates frequently. This page combines distributor pricing, parametric comparison and drop-in alternative guidance from Microchip's PIC32MX family, plus design notes compiled from the manufacturer datasheet and reference designs.

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PIC32MX450F256H-V/MR - 80MHz 32-bit MCU 256KB Flash | Microchip
PIC32MX450F256H-V/MR

PIC32MX450F256H-V/MR - 80MHz 32-bit MCU 256KB Flash | Microchip

The Microchip PIC32MX450F256H-V/MR is a 32-bit MIPS M4K microcontroller running at 80 MHz, integrating 256 KB of Flash and 64 KB of SRAM in a 64-pin QFN (9x9 mm) package. It belongs to the PIC32MX3/4 family, which combines 32-bit performance, generous on-chip memory, and a rich peripheral set targeting cost-sensitive embedded designs. What is a PIC32MX microcontroller? A PIC32MX is a 32-bit flash microcontroller from Microchip built on the MIPS32 M4K core architecture. Within the broader taxonomy, the PIC32MX sits as a mid-range 32-bit MCU -> 32-bit microcontroller -> embedded processor -> semiconductor. It typically offers higher performance and larger memory than 8/16-bit PIC MCUs while maintaining the MPLAB X toolchain and Harmony framework compatibility that simplify firmware migration. Key differentiating features include two SPI/I2S interfaces for audio codec connectivity, an 8-bit Parallel Master Port (PMP) for graphics or external memory expansion, and a 10-bit 1 Msps ADC for high-speed analog sampling. USB 2.0 full-speed (device/host/OTG) is integrated along with two I2C, two UART, and a 16-bit timer/capture/PWM block, enabling the device to act as a single-chip HMI or audio processing controller. The architecture pairs the M4K core with a multi-vector interrupt controller, a 5-stage pipeline, and a hardware multiply/divide unit, delivering 1.56 DMIPS/MHz. The wide 80 MHz operating point gives up to ~125 DMIPS, sufficient for graphical user interfaces, USB stacks, and modest DSP workloads without resorting to external coprocessors. Typical applications include USB audio interfaces, HMI panels with TFT displays, industrial sensor hubs with USB diagnostics, point-of-sale terminals, and low-cost data loggers. The "-V" suffix denotes the -40C to +105C extended industrial temperature range, and the /MR suffix indicates the 64-pin QFN package on tape-and-reel. When designing with this part, reserve the I2S and PMP pins early in pin planning - they share alternate-function mappings that can complicate later PCB revisions. Use MPLAB X IDE with the Harmony framework to accelerate peripheral configuration. This page synthesizes distributor pricing, drop-in alternatives within the PIC32MX family, and practical design notes not found in the manufacturer datasheet alone.

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PIC32MX450F256H-V/PT - 80MHz 32-bit MCU 256KB Flash 64-TQFP | Microchip
PIC32MX450F256H-V/PT

PIC32MX450F256H-V/PT - 80MHz 32-bit MCU 256KB Flash 64-TQFP | Microchip

The Microchip Technology PIC32MX450F256H-V/PT is a 32-bit MIPS32 M4K microcontroller running up to 80 MHz with 256 KB of Flash program memory and 64 KB of SRAM, packaged in a 64-pin TQFP (PT, 10x10 mm) industrial-grade form factor. This PIC32MX450 series device integrates USB 2.0 Full-Speed, two I2S/SPI, two I2C, two UART, two analog comparators, a 10-bit ADC, a Charge Time Measurement Unit (CTMU), and a Real-Time Clock/Calendar (RTCC) for HMI, audio, and connected-embedded applications. A 32-bit microcontroller (MCU) is a microprocessor core integrated with Flash, RAM, and peripheral IPs on a single die. Within the broader taxonomy, PIC32MX devices belong to the microcontroller family -> embedded processor -> semiconductor IC category, using the MIPS32 M4K Harvard architecture that delivers up to 1.53 DMIPS/MHz (approximately 122 DMIPS at 80 MHz) with single-cycle hardware multiply/divide. The "32" denotes 32-bit data path; "MX" identifies the PIC32 baseline series; "450" is the sub-family code (this member adds USB and richer peripherals); "F256" encodes 256 KB Flash; "H" denotes the 64-pin package code; "-V" indicates the -40C to +105C extended operating temperature grade; and "/PT" marks TQFP packaging. Key differentiating specifications include 256 KB single-cycle Flash with pre-fetch buffer to mitigate wait-state penalties at 80 MHz, 64 KB SRAM suitable for audio buffering and TCP/IP stacks, six DMA channels for low-CPU-overhead peripheral transfers, two I2S modules enabling stereo audio codecs and digital microphones, and an integrated USB 2.0 Full-Speed device/host/OTG controller. The CTMU enables touch sensing, capacitive proximity, and time-of-flight measurement without external analog ICs. Technically, the device pairs a 5-stage pipeline MIPS core with a multi-vector interrupt controller, a bus matrix that supports concurrent Flash/RAM/peripheral access, and a peripheral pin-select (PPS) block that remaps digital functions to physical pins to ease PCB routing. The USB PHY is on-chip, eliminating external transceivers for basic HID/CDC/Mass Storage designs. Typical applications include USB audio interfaces (USB headset/DAC adapters), HMI panels with capacitive touch, industrial control and dataloggers with USB connectivity, low-cost embedded web/IoT edge nodes, and digital signage controllers. The 64-pin TQFP footprint exposes 53 digital I/O and ample analog channels for mixed-signal designs. Design consideration: route the USB D+/D- pair with 90 ohm differential impedance, place the VBUS sense resistor close to the connector, and ensure the VDDCORE decoupling network (10 uF + 100 nF) sits within 5 mm of the VCAP pin. The PIC32MX450 supports industrial temperature operation but does not reach AEC-Q100 automotive grade - select PIC32MK or PIC32MZ for automotive. This page synthesizes distributor pricing, drop-in package-compatible alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC32MX450F256HT-120/MR - 120MHz 32-bit MCU 256KB Flash | Microchip
PIC32MX450F256HT-120/MR

PIC32MX450F256HT-120/MR - 120MHz 32-bit MCU 256KB Flash | Microchip

The Microchip Technology PIC32MX450F256HT-120/MR is a 32-bit MIPS M4K microcontroller running at 120 MHz with 256 KB Flash and 64 KB SRAM, housed in a 64-pin QFN (9x9 mm) package with exposed thermal pad. It belongs to the PIC32MX3/4 family, delivering up to 150 DMIPS of compute performance while integrating rich on-chip peripherals including two SPI/I2S ports, two I2C ports, USB 2.0 full-speed device/host/OTG, five UART modules, two analog comparators, a 10-bit 1 Msps ADC with up to 28 channels, and a Parallel Master Port. A 32-bit microcontroller (MCU) is an integrated circuit that combines a 32-bit CPU core, program memory, data memory, and a configurable set of peripherals in a single package. The PIC32MX family uses the MIPS32 M4K core, which sits in the broader hierarchy of microcontrollers -> embedded processors -> microcontrollers -> semiconductors. Compared with 8-bit or 16-bit MCUs, 32-bit devices like the PIC32MX450 provide higher performance, larger addressable memory, and richer peripheral integration for connected and graphics-rich applications. Key features of the PIC32MX450F256HT-120/MR include 256 KB self-programmable Flash, 64 KB SRAM, 49 programmable I/O pins with peripheral pin select (PPS), a 16-bit timer/counter module, a 32-bit Real-Time Clock/Calendar, and a 10-bit ADC. The device operates from 2.3 V to 3.6 V and supports an industrial temperature range. The 64-QFN package with exposed pad provides 31 C/W thermal resistance and excellent electrical grounding for noise-sensitive analog designs. Typical applications include USB peripherals and HID devices, consumer audio with I2S, industrial control and HMI panels, low-cost graphics LCD controllers, motor control, and connected sensor nodes. The integrated USB 2.0 full-speed OTG controller and 1 Msps ADC simplify BOM while the PIC32 ecosystem (MPLAB X IDE, Harmony framework) accelerates time-to-market. When designing with this device, ensure that the exposed pad is soldered to a sufficiently large copper pour (typically 1 sq inch minimum) for thermal dissipation. Configure PPS before toggling peripheral I/O, and adhere to the 2.3 V minimum VDD for full-spec operation; below this the brown-out reset may engage.

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PIC32MX450F256HT-I/MR - 80MHz 32-bit MCU 256KB Flash 64-QFN
PIC32MX450F256HT-I/MR

PIC32MX450F256HT-I/MR - 80MHz 32-bit MCU 256KB Flash 64-QFN

The Microchip Technology PIC32MX450F256HT-I/MR is a 32-bit MIPS M4K microcontroller running up to 80 MHz, equipped with 256 KB Flash and 64 KB SRAM, packaged in a 64-pin QFN (9x9 mm) with an exposed thermal pad. It belongs to the PIC32MX3/4 family, which targets low-cost 32-bit designs with rich integrated peripherals including two SPI/I2S interfaces, two I2C, two UART, a 10-bit 1 Msps ADC, two analog comparators, and an 8-bit Parallel Master Port (PMP) for graphics or external memory. A 32-bit microcontroller (MCU) is a single-chip processor that integrates a CPU core, program memory (Flash), data memory (SRAM), and a broad set of peripherals on one die. Within the broader taxonomy of microcontrollers, the PIC32MX450 sits at the high-performance end of Microchip's PIC32 family: microcontroller -> 32-bit MCU -> MIPS-based MCU -> PIC32MX family -> PIC32MX3/4 sub-family. This positioning means the device competes with entry-level ARM Cortex-M3 MCUs in cost while offering Microchip's MPLAB X toolchain and Harmony ecosystem. Key features include 49 usable I/O, five 16-bit timers, a 16-bit Parallel Master Port, a 10-bit 1 Msps ADC with up to 28 channels, two analog comparators, and a CTMU for capacitive touch. The 64-QFN exposed pad enables efficient PCB thermal dissipation at sustained loads, while the 3.0-3.6 V single-supply operation simplifies power tree design in battery and USB-powered designs. The architecture pairs a MIPS32 M4K core with a multi-vectored interrupt controller and a 5-stage pipeline, achieving 1.56 DMIPS/MHz or up to 125 DMIPS at 80 MHz. The device includes a 10-bit 1 Msps ADC and 16-bit PMP, enabling integrated graphics or external memory interfacing without external logic, which reduces BOM cost. Typical applications include consumer audio appliances, low-cost HMI panels with PMP-driven LCDs, industrial sensor hubs, USB device/host controllers, and low-cost 32-bit replacement for PIC24 designs. The wide peripheral set also supports Bluetooth/BLE control hosts using the SPI/I2S bridges and PMP-connected displays. When designing with this part, ensure the exposed pad is soldered to a sufficiently large copper pour for thermal performance and ground integrity. The 'I' suffix denotes the -40C to +85C industrial temperature grade, while the 'H' indicates 64-pin QFN with internal trace Flash; verify boot configuration and PPS mapping in MPLAB X to avoid pin conflicts. This page synthesizes distributor pricing, drop-in alternatives within the same 64-QFN footprint, and practical design notes not consolidated in the manufacturer datasheet.

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PIC32MX450F256HT-I/PT - 80MHz 256KB Flash 32-bit MCU | Microchip
PIC32MX450F256HT-I/PT

PIC32MX450F256HT-I/PT - 80MHz 256KB Flash 32-bit MCU | Microchip

The Microchip Technology PIC32MX450F256HT-I/PT is a 32-bit RISC microcontroller built on the MIPS32 M4K core, delivering 80 MHz (83 DMIPS) performance with 256 KB of Flash program memory and 64 KB of SRAM in a 64-pin TQFP (PT) package. This AEC-Q100 Grade 3 qualified device targets cost-sensitive 32-bit embedded applications where the PIC32MX3/4 family balances integration, memory, and price. A microcontroller (MCU) is a single-chip computer integrating a CPU core, program and data memory, timers, communication peripherals, and I/O. The PIC32MX450 belongs to the broader taxonomy of microcontroller -> 32-bit MCU -> MIPS architecture MCU -> PIC32 family. Compared with 8-bit and 16-bit MCUs, the 32-bit core executes instructions on 32-bit data paths and supports larger address spaces, enabling richer connectivity stacks, RTOS use, and graphical user interfaces. The 32-bit class also dominates portable medical, IoT gateways, audio, and motor-control segments where headroom matters. Key features include 256 KB single-voltage Flash with live update support, 64 KB SRAM, 5 timers, 5 PWM channels, 2 analog comparators, 2 I2C, 2 SPI/I2S, 4 UART, and a 10-bit ADC with up to 28 input channels at 1 Msps. The device operates from 2.3 V to 3.6 V and supports industrial -40C to +85C ambient conditions. The 64-pin TQFP (10x10 mm) exposes 49 GPIO pins, leaving headroom for parallel buses or large pin-count peripherals. The PIC32MX450 implements the MIPS32 M4K core with single-cycle hardware multiply/divide and a 5-stage pipeline, giving 1.56 DMIPS/MHz. Its peripheral set includes a Parallel Master Port (PMP) for external memory or graphics, a 16-bit Parallel Slave Port, and a charge-time-measurement-unit (CTMU) for capacitive touch and sensor timing. Code security is supported via Flash OTP and on-chip debugging over the proprietary ICSP/ICD interface using MPLAB X IDE and Harmony. Typical applications include industrial control (sensor hubs, simple HMIs, PLC peripherals), consumer audio and low-cost graphical interfaces, IoT edge nodes with Ethernet or Wi-Fi via SPI-attached transceivers, portable medical peripherals, and automotive body-electronics sub-modules (HVAC, lighting controllers). The wide operating voltage and integrated 10-bit ADC simplify analog signal conditioning for sensor-rich designs. When designing with this part, place 0.1 uF + 10 uF bulk decoupling close to each VDDCORE/VDD pair, route the 8 MHz primary oscillator traces short with a guarded ground, and use MPLAB X with a PICkit or ICD debugger during bring-up. For 5 V-tolerant inputs, use external level shifters - the part is NOT 5 V tolerant on digital I/O. This page synthesizes distributor pricing, drop-in alternatives from the same PIC32MX family, and practical design notes not found in the manufacturer datasheet.

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