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PIC32MX274F256DT-V/PT

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

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

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PIC32MX320F032H-40I/PT

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

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

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PIC32MX320F032H-40V/MR

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

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

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PIC32MX320F032HT-40I/MR

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

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

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PIC32MX320F032HT-40V/PT

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

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

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PIC32MX320F064H-40V/MR

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

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

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PIC32MX320F064H-40V/PT

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

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

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PIC32MX320F064HT-40I/MR

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

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

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PIC32MX320F064HT-40I/PT

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

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

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PIC32MX320F064HT-40V/MR

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

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

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PIC32MX320F064HT-40V/PT

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

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

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PIC32MX320F064HT-80I/PT

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

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

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PIC32MX320F064HT-80V/MR

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

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

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PIC32MX320F128H-80I/MR

PIC32MX320F128H-80I/MR - 80MHz 32-bit MCU 128KB Flash | Microchip

The Microchip PIC32MX320F128H-80I/MR is a 32-bit MIPS M4K microcontroller running up to 80 MHz, integrating 128 KB of Flash program memory and 16 KB of SRAM, and housed in a 64-pin 9x9 mm VQFN package with exposed thermal pad. It is part of the PIC32MX3xx general-purpose family, offering a 10-bit ADC, USB 2.0 full-speed device/host/OTG, multiple UART/SPI/I2C peripherals, and 53 general-purpose I/O pins operating from a 2.5 V to 3.6 V supply. What is a 32-bit PIC microcontroller? A 32-bit PIC microcontroller is a microcontroller built around the MIPS32 M4K core architecture, designed by Microchip Technology. Within the broader taxonomy it sits under microcontroller (MCU) -> embedded controller -> semiconductor device, and it combines a RISC CPU, on-chip Flash, SRAM, and rich peripherals (ADC, timers, communication interfaces) into a single package. The 32-bit datapath gives the PIC32 family a significant performance edge over 8-bit PIC16/PIC18 devices for DSP, USB, and graphics tasks, while remaining code-compatible with the MPLAB X IDE and Harmony ecosystem. Key features of the PIC32MX320F128H-80I/MR include 128 KB Flash organized as 128K x 8, 16 KB SRAM, an integrated USB 2.0 full-speed transceiver supporting device, host, and OTG operation, a 10-bit ADC with up to 16 channels and 1 Msps conversion rate, two I2C, two SPI, and two UART modules, plus five 16-bit timers/counters. The MIPS32 M4K core provides single-cycle multiplication, hardware divide, and a 5-stage pipeline, achieving 1.56 DMIPS/MHz and 80 MHz / 1.33 DMIPS per MHz equivalent throughput, well beyond 8-bit PIC alternatives. In terms of architecture and process, the PIC32MX3xx family uses a 0.18 µm flash process with on-chip voltage regulation to 1.8 V core from a 2.5-3.6 V supply. Peripheral pin select is NOT supported on this generation (it appears from PIC32MX1xx/2xx onwards), but most peripherals have flexible pin mapping through PPS on higher pin counts. The 9x9 mm 64-VQFN package exposes a thermal pad that should be soldered to a sufficient copper pour to keep junction temperature below 125 °C in high-duty-cycle USB or full-clock applications. Typical applications include USB peripherals (HID, CDC, mass storage, audio class), industrial control with USB diagnostics, low-cost graphics HMI with external LCD controller, sensor hubs, and general-purpose 32-bit embedded control in commercial and industrial environments. The combination of USB, 10-bit ADC, and 53 I/O makes it well suited to bridging legacy 8-bit designs to USB-connected products. When designing with this part, ensure that VDDCORE pin is properly decoupled with 10 µF + 0.1 µF capacitors per the datasheet, and that the VBUS, VUSB, and D+/D- traces are routed as a 90 Ω differential pair with correct impedance. The USB internal pull-up must be enabled in firmware for device mode. Industrial-grade (-40 °C to +85 °C) operation is supported by the -80I/MR temperature suffix. This page synthesizes current distributor pricing, same-family drop-in alternatives, and practical design notes not consolidated on a single manufacturer or distributor page, helping engineers evaluate, source, and substitute the PIC32MX320F128H-80I/MR faster.

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PIC32MX320F128H-80V/MR

PIC32MX320F128H-80V/MR - 32-bit MCU 128KB Flash 80MHz | Microchip

The Microchip Technology PIC32MX320F128H-80V/MR is a 32-bit MIPS M4K microcontroller running at 80 MHz with 128 KB of Flash program memory and 16 KB of SRAM, housed in a 64-pin VQFN (9x9 mm) package with exposed thermal pad. It is part of the PIC32MX3xx/4xx general-purpose and USB family and provides 53 general-purpose I/O pins, a 10-bit 1 Msps ADC with up to 16 channels, USB 2.0 full-speed OTG, and four 16-bit timers plus two 32-bit timers. What is a PIC32MX microcontroller? The PIC32MX is Microchip's 32-bit MIPS-based MCU family that bridges the gap between 8/16-bit PIC microcontrollers and 32-bit ARM Cortex-M parts. PIC32MX devices use the MIPS32 M4K core, which combines deterministic interrupt response with higher performance than legacy PIC24/dsPIC DSC devices, while remaining pin-compatible with many PIC24/dsPIC packages. The hierarchy is: microcontroller -> 32-bit MCU -> PIC32 family -> PIC32MX sub-family -> general purpose / USB series. Key features include hardware multiplier/divider for DSP-class math, two I2C, two SPI, and two UART modules, five 16-bit capture inputs and five 16-bit compare/PWM outputs, a 10-bit ADC and a 10-bit analog comparator, Fail-Safe Clock Monitor (FSCM), configurable Watchdog Timer with on-chip low-power RC oscillator, and multiple power-management modes (Run, Idle, Sleep). The VQFN-64 package offers a compact 9x9 mm footprint suitable for space-constrained industrial and consumer designs. Architecturally, the M4K core executes most instructions in a single cycle and includes a hardware multiply/divide unit and a 5-stage pipeline, giving the PIC32MX320F128H class-leading code density for 32-bit performance at near 8-bit cost. Peripherals connect to the core through a separate peripheral bus, simplifying register mapping and allowing deterministic DMA-driven data movement for USB and ADC. Typical applications include USB peripherals, industrial control panels, HMI touch interfaces, consumer audio devices, sensor hubs, and low-cost graphics terminals. The wide operating range and integrated USB 2.0 full-speed make it a frequent choice for upgrading legacy PIC24 designs without changing PCB layout. When designing with this MCU, ensure the VQFN exposed pad is soldered to a sufficiently large ground copper pour to meet thermal and electrical requirements; inadequate thermal pad soldering is the most common cause of PIC32MX VQFN reliability issues. Configure the FSOSC and FNOSC configuration bits carefully and use the Fail-Safe Clock Monitor if the application must tolerate crystal start-up failure. This page synthesizes distributor pricing, drop-in alternatives from the same PIC32MX family, and practical design notes not consolidated in the Microchip datasheet (DS61143H) alone.

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PIC32MX320F128HT-80I/PT

PIC32MX320F128HT-80I/PT - 80MHz 32-bit MCU 128KB Flash | Microchip

The Microchip Technology PIC32MX320F128HT-80I/PT is a 32-bit MIPS32 M4K microcontroller running up to 80 MHz with 128 KB Flash and 16 KB SRAM, housed in a 64-pin TQFP (10x10 mm) package. It belongs to the PIC32MX3xx/4xx family and integrates USB 2.0 full-speed, up to 53 general-purpose I/O, 10-bit ADC, and multiple communication peripherals. A 32-bit microcontroller (MCU) is a single-chip computer that integrates a high-performance processor core, Flash program memory, SRAM data memory, and a rich set of on-chip peripherals (ADC, timers, USB, UART, SPI, I2C). PIC32MX parts use the MIPS M4K core, placing them in the broader hierarchy MCU -> microcontroller -> embedded processor -> semiconductor, and they are widely deployed when 8/16-bit parts lack the throughput or memory needed for graphical user interfaces, USB stacks, or real-time control loops. Key features of this part include 128 KB on-chip Flash organized as 128K x 8, 16 KB SRAM, an 80 MHz maximum CPU clock (40 MHz system clock for peripherals), five 16-bit timers/counters, two I2C, two SPI, two UART channels, USB 2.0 full-speed device/host/OTG, a 16-channel 10-bit ADC with 1 Msps, and a parallel master port. The industrial temperature grade (-40C to +85C) and 2.3V-3.6V single supply operation simplify integration into harsh environments. The architecture combines a 5-stage pipelined MIPS32 core with single-cycle multiplication and hardware divide, enabling 1.56 DMIPS/MHz and excellent deterministic interrupt response. The PMD (peripheral module disable) and power-saving modes let idle peripherals draw near-zero current, which is critical for USB bus-powered and battery-backed designs. Typical applications include USB human-interface devices, industrial control and HMI panels, embedded web servers, data loggers, sensor hubs, and low-cost graphics terminals. The 80 MHz performance, USB, and 128 KB Flash cover most mid-range connected-embedded workloads. When designing with this MCU, budget for a 2.3V-3.6V LDO and follow Microchip's recommended decoupling network (100 nF + 10 uF bulk). Always program the device through the ICSP interface using MPLAB X IDE + XC32 compiler; never assume 80 MHz operation without proper PLL configuration. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes beyond what is in the manufacturer datasheet alone.

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PIC32MX320F128L-80I/BG

PIC32MX320F128L-80I/BG - 80MHz 32-bit MCU, 128KB Flash | Microchip

The Microchip Technology PIC32MX320F128L-80I/BG is a 32-bit RISC microcontroller built on the MIPS32 M4K core, operating at up to 80 MHz, with 128 KB of Flash and 32 KB of SRAM, supplied in a 121-ball TFBGA (10x10 mm) package for compact surface-mount designs. It integrates 128 KB (128K x 8) of Flash program memory alongside 32 KB of data RAM, and the -80I speed grade with industrial -40C to +85C temperature range supports robust operation across embedded environments. A 32-bit microcontroller (MCU) is a programmable processor core, memory, and peripheral set integrated into a single silicon die. Within the broader semiconductor hierarchy, MCUs sit under microprocessors (MP/MPU) but add on-chip Flash, RAM, timers, ADCs, and communication interfaces, making them self-contained compute subsystems. PIC32MX devices extend Microchip's legacy PIC16/PIC24 family into the MIPS32 domain, enabling 80 MHz performance with familiar MPLAB X toolchain support. Key features of the PIC32MX320F128L include a 16-channel 10-bit Analog-to-Digital Converter (ADC) for mixed-signal acquisition, four DMA channels that offload CPU cycles during peripheral data transfers, and a rich set of serial interfaces: multiple UART/EUSART, I2C, and SPI ports. The device also provides five 16-bit timers/counters, configurable I/O, and a USB 2.0 full-speed On-The-Go peripheral on select die revisions, enabling direct USB device/host bridging without an external PHY. Architecturally, the PIC32MX320F128L uses a Harvard-style 32-bit MIPS core with separate instruction and data buses feeding Flash and SRAM, providing deterministic interrupt latency and predictable execution. A peripheral bus matrix multiplexes ADC, I/O, and serial blocks, while a bus master DMA engine can move data between peripherals and RAM independently of the CPU. The 121-ball TFBGA exposes the full pinout, including extended I/O and parallel bus options that the smaller 64/100-pin variants omit. Typical applications include USB peripherals such as HID-class input devices and CDC serial bridges, industrial sensor hubs that aggregate multiple analog and digital channels via DMA, graphical user interfaces with parallel bus displays, and embedded connectivity nodes combining UART, SPI, and I2C peripherals. The wide combination of FFT-friendly MIPS performance and abundant peripherals makes it a fit for low-cost audio processing, motor-control feedback loops, and protocol bridges. When laying out a board, allocate a 10x10 mm BGA land pattern with 0.8 mm pitch fan-out and route differential USB DP/DM pairs with 90 ohm impedance matching. Decouple each VDD/AVDD pin with a 100 nF ceramic capacitor placed within 2 mm of the ball, and add a 4.7 uF bulk capacitor near the regulator output. The 'I' suffix denotes industrial temperature range, while the trailing 'BG' designates the 121-ball TFBGA package, distinguishing it from pin-compatible QFP variants in the same die family. This page synthesizes distributor pricing, drop-in same-package alternatives, and application guidance that goes beyond the manufacturer datasheet, equipping engineers with selection and sourcing context not always visible on standard distributor pages.

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PIC32MX320F128L-80V/BG

PIC32MX320F128L-80V/BG - 80MHz 32-bit MCU 128KB Flash 121-TFBGA | Microchip

The Microchip Technology PIC32MX320F128L-80V/BG is a 32-bit MIPS M4K core microcontroller operating at 80 MHz, integrating 128 KB of Flash program memory and 16 KB of SRAM, housed in a 121-ball TFBGA (10x10 mm) package with USB 2.0 full-speed OTG, two EUSART, two I2C, two SPI, a 16-channel 10-bit ADC, five 16-bit timers and a DMA controller. A 32-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, volatile and non-volatile memory, and programmable peripherals around a high-throughput data path. The PIC32 family uses the MIPS32 M4K instruction set and is positioned above Microchip's 8-bit PIC and 16-bit dsPIC lines, typically appearing in graphical HMI, USB device, and industrial control subsystems where 32-bit arithmetic and large code footprints are required. Key features of this part include 128 KB single-cycle Flash, 16 KB SRAM with pre-fetch buffer to accelerate sequential execution, a 10-bit 1 Msps ADC with 16 analog inputs, five 16-bit timers/counters, two comparators, two I2C and two SPI buses, two EUSART modules with IrDA support, and a parallel master port for external bus expansion. The device operates from 2.3 V to 3.6 V and is rated -40 C to +105 C for industrial environments. The PIC32MX320 architecture uses a 5-stage pipeline M4K core with hardware multiply/divide and a single-cycle Flash prefetch module that lets the CPU execute from Flash with near-RAM throughput. Peripheral DMA moves ADC, UART and SPI traffic independently of the core, freeing MIPS for application code and improving real-time determinism in control loops. Typical applications include USB peripherals and HID devices, industrial HMI panels, motor control front-ends, data loggers, and consumer audio/video accessories that need a USB-OTG-capable 32-bit controller with low BOM cost. The 121-ball TFBGA package targets space-constrained designs where board area is at a premium but routing density is high. When designing with this part, allocate decoupling caps near every VDD/VSS pin pair and follow the recommended 80 MHz crystal or external clock layout guidelines; the parallel master port pins are multiplexed with I/O and must be tri-stated in software when used as general-purpose I/O to avoid contention. Engineers should also verify that supply ramp meets the 0.1 ms minimum spec to avoid POR issues. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC32MX320F128L-80V/PT

PIC32MX320F128L-80V/PT - 80MHz 128KB Flash 32-bit MCU | Microchip

The Microchip Technology PIC32MX320F128L-80V/PT is a 32-bit MIPS32 M4K microcontroller operating at 80 MHz with 128 KB of Flash program memory and 16 KB of SRAM, housed in a 100-pin TQFP (12x12 mm) package. It integrates a 10-bit ADC, USB 2.0 Full-Speed peripheral, DMA controller, and a rich set of communication peripherals (UART, SPI, I2C) in a low-power general-purpose architecture designed for embedded control and connectivity. A 32-bit microcontroller (MCU) is an integrated circuit containing a 32-bit processor core, program memory (typically Flash), data memory (SRAM), and on-chip peripherals such as analog-to-digital converters, timers, and communication interfaces. Within the embedded hierarchy it sits below microprocessors and above 8/16-bit MCUs, trading modest power for substantially higher throughput and larger addressable memory. The PIC32MX family specifically brings MIPS32 M4K RISC performance to microcontroller footprints familiar to PIC developers. Key features of the 80V/PT variant include the industrial-extended operating temperature grade (-40C to +105C), 80 MHz maximum core clock, 128 KB Flash (128K x 8), 16 KB SRAM, and 100-TQFP industrial-standard surface-mount package. The device supports 5-channel DMA, 16-channel 10-bit ADC at 1 Msps, USB Full-Speed Device/Host/OTG, two I2C, two SPI, two UART, five 16-bit timers, and up to 85 digital I/O pins. An integrated 8 MHz internal oscillator and PLL simplify external BOM. Architecturally the PIC32MX320 implements the MIPS32 M4K core with 5-stage pipeline, single-cycle hardware multiply, and zero-cycle hardware divide. The bus matrix connects CPU, DMA, and peripherals via separate Flash and RAM channels, allowing concurrent DMA transfers without stalling the core. The 10-bit ADC includes dual Sample-and-Hold and selectable scan sequences for multi-channel sensor reads. Typical applications include USB peripherals, industrial control panels, sensor data acquisition systems, HMI terminals, low-cost graphics controllers, and consumer electronics. The combination of USB, ADC, DMA, and ample RAM makes it suitable for tethered embedded devices where host PC communication is required. Industrial design efficiency drops in favorably when migrating from PIC24 to PIC32 for higher throughput. When designing, ensure decoupling caps are placed close to VDD/AVDD pairs (typically 100 nF plus 10 uF bulk), follow Microchip's trace-length guidelines for the USB DP/DM differential pair (90 ohm differential), and reserve the PGECx/PGEDx pins for ICSP. The 'V' temperature grade extends to +105C suitable for harsher industrial enclosures, while the 'I' variant is limited to +85C. This page synthesizes distributor pricing, drop-in package-compatible PIC32MX alternatives, USB design references, and engineering guidance not consolidated in the manufacturer datasheet alone.

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PIC32MX320F128LT-80I/PT

PIC32MX320F128LT-80I/PT - 80MHz 32-bit MCU 128KB Flash | Microchip

The Microchip PIC32MX320F128LT-80I/PT is a 32-bit MIPS32 M4K microcontroller operating at 80 MHz, integrating 128 KB of Flash program memory and 32 KB of SRAM in a 100-pin TQFP (12x12 mm) package. The "L" suffix denotes 100-pin variants, while the "T" indicates Tape and Reel packaging, and "I" marks the industrial temperature grade (-40C to +85C). It belongs to the PIC32MX3XX/4XX family and combines high-performance 32-bit computing with rich peripheral integration. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory, and programmable I/O peripherals. The PIC32MX320 family occupies the entry point of Microchip's 32-bit MIPS-based portfolio, sitting architecturally between 8-bit PIC16/PIC18 MCUs and higher-end Cortex-M devices. The MIPS32 M4K core delivers 1.56 DMIPS/MHz performance with single-cycle multiplication and hardware multiply-accumulate support, enabling deterministic real-time control. Key features include 128 KB Flash, 32 KB SRAM, up to 85 general-purpose I/O pins, five 16-bit timers/counters, two I2C and two SPI modules, two UART modules with IrDA support, a parallel master port (PMP), a 16-channel 10-bit ADC at up to 500 ksps, and a real-time clock/calendar with calendar mode. The ICSP debug interface is supported via PGECx/PGEDx pins, enabling in-circuit programming and debugging with MPLAB tools. The PIC32MX320F128LT-80I/PT operates from 2.3V to 3.6V and includes a 5V tolerant digital I/O structure. Internal DMA eliminates CPU overhead for data movement, while hardware CRC and PMP accelerate memory-mapped peripheral interfacing. The 100-pin TQFP package exposes nearly the full peripheral set simultaneously, ideal for graphics, USB-device (via on-chip transceiver-less interface), or industrial control hubs. Typical applications include industrial automation controllers, HVAC control boards, point-of-sale terminals, medical instrumentation, multi-axis motor control pre-processors, low-power HMI displays, and consumer appliances requiring 32-bit performance with 8-bit-style simplicity. The PMP makes it a cost-effective graphics controller for STN/TFT displays in HMI panels. When designing with this part, allocate decoupling capacitance (100 nF + 10 uF bulk) near each VDD/VDD/VSS pin pair and follow Microchip's recommended analog/digital ground split for ADC accuracy. The 80 MHz operation typically demands a 4-layer PCB for signal integrity on the external memory bus, if used. This page synthesizes distributor pricing, drop-in PIC32MX3XX/4XX family alternatives, and design notes that complement the Microchip datasheet without repeating it verbatim.

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PIC32MX320F128LT-80V/PT

PIC32MX320F128LT-80V/PT - 32-bit MCU 128KB Flash 80MHz TQFP-100 | Microchip

The Microchip Technology PIC32MX320F128LT-80V/PT is a 32-bit MIPS32 M4K microcontroller featuring 128KB of Flash, 16KB of SRAM, and a maximum CPU speed of 80MHz, housed in a 100-pin TQFP package (12x12 mm). It is part of the PIC32MX3XX/4XX family, the lowest-cost entry into the 32-bit PIC microcontroller line, designed for applications that need more performance than 8-bit or 16-bit MCUs without the overhead of higher-end ARM parts. A PIC32MX microcontroller is a 32-bit MCU based on the MIPS32 M4K core from Microchip Technology, combining deterministic real-time response with the rich peripheral set expected of modern embedded designs. It belongs to the larger PIC32 family -> 32-bit microcontroller -> MCU -> embedded processor hierarchy, and sits below higher-tier PIC32MZ and PIC32MK devices in Microchip's portfolio. The 'V' suffix denotes an extended industrial temperature grade of -40C to +105C for harsh-environment use. Key features of the PIC32MX320F128LT-80V/PT include 128KB Flash organized as 128K x 8, 16KB SRAM, a 10-bit ADC with up to 16 channels, a 16-bit Parallel Master Port (PMP) for external memory or graphics interfaces, USB 2.0 full-speed On-The-Go (OTG), two I2C and two UART/I2S peripherals, two SPI ports, five 16-bit timers/counters, and a 16-channel DMA controller for CPU offload. The MIPS32 M4K core executes most instructions in one cycle and includes a hardware multiply/divide unit for DSP-class operations. Architecturally the device pairs the MIPS core with Microchip's standard peripheral set, executes code from internal Flash with optional prefetch cache, and supports trace via the standard MIPS trace interface. The integrated 10-bit ADC with up to 500 ksps throughput is adequate for sensor reading and basic instrumentation, while the 5V-tolerant I/O on most pins simplifies connection to legacy 5V logic. Typical applications include industrial automation controllers, USB device and embedded host products, graphical user interfaces with PMP-driven TFT displays, consumer appliances, motor control interfaces, and low-cost Ethernet or Wi-Fi gateway nodes. The 100-pin TQFP package offers ample I/O (up to 85 GPIO) for parallel buses, making it a popular choice for legacy peripheral migration from PIC24/PIC18 designs. When designing with this part, ensure the 2.5V/3.3V core supply is decoupled with at least 100 nF + 1 uF close to VDD pins. Take care to configure unused pins as outputs to minimize current draw, and respect the maximum operating temperature of +105C for the 'V' grade. For designs migrating from PIC24/PIC18, the standard MPLAB X IDE and Harmony frameworks provide drop-in peripheral libraries. This page synthesizes distributor pricing as of 2026-10-02, drop-in alternative MPNs, and practical design notes not found in the manufacturer datasheet - providing information gain beyond what is available on DigiKey, Mouser, or the Microchip product page alone.

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PIC32MX330F064H-I/MR

PIC32MX330F064H-I/MR - 100MHz 32-bit MIPS MCU, 64KB Flash | Microchip

The Microchip Technology PIC32MX330F064H-I/MR is a 32-bit MIPS32 M4K RISC microcontroller running up to 100 MHz (50 MHz in this -I speed grade) with 64 KB Flash and 16 KB SRAM, packaged in a 64-pin 9x9 mm VQFN with exposed thermal pad. It targets cost-sensitive embedded applications that need USB-OTG, audio/I2S, and analog peripherals in a small footprint. The PIC32MX3/4 family integrates two I2S channels, USB-OTG, a 10-bit 1 Msps ADC, and a charge time measurement unit (CTMU) for capacitive touch sensing. What is a PIC32MX microcontroller? The PIC32MX family is Microchip's MIPS32-based 32-bit MCU line, bridging the 8-bit PIC16/PIC18 world and the higher-end Cortex-M platforms. These 32-bit microcontrollers sit in the power-management and signal-processing tier, sitting above 8-bit microcontrollers and below Cortex-M4 MPUs, within each category in the broader semiconductor hierarchy. Designers choose PIC32MX for deterministic interrupt latency, mature MPLAB Harmony support, and rich connectivity including I2C, SPI, UART, PMP, IrDA, and LIN. Key features of this part include 64 KB Flash program memory, 16 KB SRAM, 53 digital I/O lines, 5 16-bit timers/counters, two I2S/SPI channels, USB-OTG full-speed, a 10-bit 1 Msps ADC with up to 28 analog inputs, and a CTMU for capacitive touch. The 64-VQFN (9x9) package exposes a thermal pad, lowering theta-JA to roughly 22 C/W on a 4-layer JEDEC PCB. Operating voltage is 2.3 V to 3.6 V and the temperature grade is -40 C to +85 C industrial. Architecturally, the device uses the MIPS32 M4K core with single-cycle hardware multiply and divide, a 5-stage pipeline, and tightly coupled peripherals through a peripheral bus matrix. The 16 KB of data RAM is split into two banks to feed the 8-channel DMA engine, which off-loads SPI, I2S, UART, and ADC transfers. The USB-OTG controller is integrated on-chip with internal transceiver, requiring only external ESD protection and the 5 V VBUS supply path. Typical applications include USB audio peripherals, low-cost HMI touch panels, motor control signal conditioning, industrial sensor nodes, and consumer appliances that need USB device functionality. Designers also use this part in dataloggers, USB-to-UART bridges, and battery-powered instrumentation thanks to multiple low-power sleep modes down to sub-mA standby. When designing with this MCU, ensure the exposed pad (EP) is soldered to a sufficiently large copper pour (at least 1 sq inch) for thermal relief. Decouple VDD with 0.1 uF ceramic plus 4.7 uF bulk within 5 mm of the pins, and isolate the analog AVDD with a ferrite bead plus 10 nF + 1 uF capacitor network to keep ADC noise below 1 LSB. This page synthesizes distributor pricing, parametric drop-in alternatives from the same PIC32MX330/340 family, and practical PCB layout guidance that goes beyond the manufacturer datasheet.

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PIC32MX330F064H-V/MR

PIC32MX330F064H-V/MR - 80MHz 64KB Flash 32-bit MCU | Microchip

The Microchip Technology PIC32MX330F064H-V/MR is a 32-bit MIPS32 M4K microcontroller running at 80 MHz (100 DMIPS), with 64 KB of Flash program memory and 16 KB of SRAM, housed in a 64-pin VQFN (9x9 mm) package with exposed pad. A microcontroller (MCU) is a single-chip computer integrating a processor core, memory, and peripherals on one die. Within the power-management hierarchy of embedded systems, the MCU sits at the top of the control chain, orchestrating sensors, actuators, and communication interfaces. The PIC32MX3/4 family is Microchip's entry point into 32-bit PIC performance, occupying the tier above 8-bit PIC16/PIC18 and 16-bit PIC24 devices, and below the high-performance PIC32MZ. Key features of the PIC32MX330F064H-V/MR include USB OTG (On-The-Go) full-speed host/device support, a Charge Time Measurement Unit (CTMU) for capacitive touch, DMA controller, I2S audio interface, and two SPI/I2S modules. Operating voltage spans 2.3V to 3.6V (2.5V/3.3V nominal), and the -V temperature grade covers -40C to +125C. Critically, this suffix is AEC-Q100 qualified, making it suitable for automotive and harsh-environment industrial designs. Architecturally, the MIPS32 M4K core uses a 5-stage pipeline with a 32-bit instruction set executed from zero-wait-state Flash at full 80 MHz speed. The peripheral bus and prefetch buffering sustain high code throughput, while DMA offloads data movement for USB and audio streams, reducing CPU load in real-time applications. Typical applications include automotive body and comfort modules, USB-connected industrial instruments, capacitive-touch human-machine interfaces, and audio accessories leveraging I2S. The 64-QFN footprint with exposed pad provides good thermal and electrical grounding for space-constrained boards. Design-wise, budget the 9x9 mm QFN land pattern with adequate via stitching under the exposed pad, and verify USB impedance control (90-ohm differential) on D+/D-. Consider Flash self-programming endurance when planning field updates. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC32MX330F064H-V/PT

PIC32MX330F064H-V/PT - 80MHz 32-bit MCU 64KB Flash | Microchip

The Microchip Technology PIC32MX330F064H-V/PT is a 32-bit RISC microcontroller built on the MIPS32 M4K core, offering 80 MHz CPU clock, 64 KB of Flash program memory, and 16 KB of SRAM in a 64-pin TQFP (PT) package. It belongs to the PIC32MX3/4 series targeting low-cost 32-bit performance with rich integrated peripherals. A 32-bit microcontroller (MCU) is an integrated processor that combines a CPU core, program memory, data memory, and a programmable peripheral set on a single die. The PIC32MX family specifically uses the MIPS32 M4K architecture, which executes most instructions in one cycle and supports up to 150 DMIPS at peak. Within the broader taxonomy, the PIC32MX sits as a mid-range 32-bit MCU -> embedded controller -> semiconductor, offering higher performance than 8/16-bit AVR/PIC16/PIC18 devices and comparable capability to ARM Cortex-M0/M0+ parts. Key features of the PIC32MX330F064H-V/PT include two SPI/I2S interfaces, up to five 16-bit PWM channels, four DMA channels, a 10-bit ADC with up to 28 channels, a CTMU (Charge Time Measurement Unit) for touch sensing, and an integrated USB 2.0 full-speed device/host/OTG controller. The device operates from 2.5V to 3.6V with 5V-tolerant I/O on selected pins. The 80 MHz version delivers 100 DMIPS and is the lower-speed sibling of the 120 MHz PIC32MX340/350/360/370 variants. The architecture combines a 5-stage pipeline M4K core with multi-vector interrupt controller and prefetch cache, enabling deterministic real-time response. The peripheral set is mapped via a separate peripheral bus to gain DMA access without latency, which is essential for USB isochronous transfers and high-speed ADC sampling. Typical applications include industrial control HMI panels, USB audio Class 1 devices, low-cost graphics/touch appliances, sensor hubs, and home appliances requiring USB connectivity plus a rich analog front end. The CTMU enables capacitive touch buttons and sliders without an external touch controller. When designing with this MCU, allocate careful attention to the USB bus: the device includes an internal USB transceiver but requires an external 48 MHz crystal for full-speed USB operation, and PCB layout must keep the D+/D- traces impedance-controlled and short to pass USB compliance. The -V temperature grade covers -40C to +105C operation for industrial environments. This page synthesizes distributor pricing, drop-in alternatives from the same PIC32MX family, and practical design notes not consolidated on any individual distributor page.

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PIC32MX330F064H-V/MR - 80MHz 64KB Flash 32-bit MCU | Microchip

PIC32MX330F064H-V/PT - 80MHz 32-bit MCU 64KB Flash | Microchip