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PIC32MX664F128L-V/PF - 80MHz 32-bit MCU 128KB Flash USB/Ethernet 100-TQFP | Microchip
PIC32MX664F128L-V/PF

PIC32MX664F128L-V/PF - 80MHz 32-bit MCU 128KB Flash USB/Ethernet 100-TQFP | Microchip

The Microchip Technology PIC32MX664F128L-V/PF is a 32-bit MIPS M4K microcontroller with 80MHz CPU clock, 128KB Flash program memory, 32KB SRAM, integrated USB 2.0 OTG and 10/100 Mbit Ethernet MAC, housed in a 100-pin TQFP package (14x14mm). The device targets high-performance embedded connectivity applications requiring both networking and USB peripheral support. A microcontroller (MCU) is a single-chip computer containing a processor, memory (Flash for code, RAM for data), and programmable peripherals. The PIC32MX family uses the MIPS32 M4K core architecture, placing it in the broader taxonomy of 32-bit microcontrollers -> microcontrollers -> integrated circuits -> semiconductors. Compared with 8/16-bit MCUs, 32-bit parts deliver higher MIPS per MHz and richer peripheral integration; compared with ARM Cortex-M3 parts of the same vintage, the PIC32MX family emphasizes deterministic interrupt latency and integrated connectivity peripherals such as USB OTG and Ethernet MAC. Key features include 128KB single-cycle Flash, 32KB SRAM, USB 2.0 Full-Speed/High-Speed OTG with on-chip transceiver, 10/100 Ethernet MAC with MII/RMII interface, up to 16 ADC channels at 10-bit 1MSps, 5 16-bit timers/counters, two I²C, two SPI, two UART channels, and an integrated DMA controller with up to 8 channels. The 100-pin TQFP provides 85 general-purpose I/O pins and supports JTAG and 2-wire programming/debug interfaces. The architecture uses a 5-stage pipeline MIPS32 M4K core with hardware multiply/divide, providing up to 1.56 DMIPS/MHz. The on-chip regulator provides a single 2.3V-3.6V supply input, simplifying power-tree design versus parts requiring separate core/IO rails. Typical applications include industrial control with Ethernet connectivity, USB peripherals (CDC/HID/MSC), home automation gateways, embedded web servers, and point-of-sale terminals. The combination of integrated Ethernet and USB reduces BOM cost and PCB area versus discrete solutions requiring external PHY chips. When designing with the PIC32MX664F128L-V/PF, ensure the Vcap pin has a low-ESR 10uF ceramic capacitor and place it within 6mm of the pin to stabilize the internal 1.8V regulator. Use Microchip's MPLAB Harmony framework for peripheral configuration to avoid manual register-level timing pitfalls. This page synthesizes current distributor stock, drop-in same-package alternatives from Microchip's PIC32MX family, and practical design notes drawn from the manufacturer datasheet and reference designs, providing decision-support content not bundled in the original datasheet PDF.

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PIC32MX664F128L-V/PT - 32-bit 128KB Flash MCU 80MHz 100-TQFP | Microchip
PIC32MX664F128L-V/PT

PIC32MX664F128L-V/PT - 32-bit 128KB Flash MCU 80MHz 100-TQFP | Microchip

The Microchip Technology PIC32MX664F128L-V/PT is a 32-bit MIPS32 M4K RISC microcontroller with 128 KB Flash and 32 KB SRAM, operating up to 80 MHz, and housed in a 100-pin TQFP package (12x12 mm). The -V suffix indicates the VCC range of 2.3 V to 3.6 V (PIC32MX family V-temp grade). A microcontroller (MCU) is a single-chip computer containing a processor core, program memory (Flash), data memory (SRAM), and integrated peripherals such as timers, ADC, communication controllers, and GPIO. The PIC32MX family sits in the PIC32 -> 32-bit MCU -> microcontroller -> embedded processor -> semiconductor hierarchy and is widely used where higher computational performance is needed than 8-bit or 16-bit MCUs can deliver. Key features of the PIC32MX664F128L-V/PT include 128 KB Flash (128K x 8), 32 KB SRAM, an integrated 10/100 Ethernet MAC, USB OTG, CAN, DMA, a 10-bit ADC, and 83 programmable I/O lines. The device supports up to 80 MHz operation and provides ample connectivity peripherals, suitable for embedded networking and USB device/host/OTG applications. The architecture is a Harvard-style MIPS32 M4K core with 5-stage pipeline, separate instruction and data buses, and tightly-coupled peripherals. The USB OTG controller, Ethernet MAC, and CAN module are all integrated on-chip, eliminating the need for external bridge devices. The DMA engine offloads data movement from the CPU, freeing it for application tasks. Typical applications include industrial Ethernet gateways, USB-to-UART bridges, embedded web servers, industrial control with CAN connectivity, and POS terminals. The wide peripheral set and Ethernet/USB/CAN integration make it ideal for connected embedded devices requiring both real-time and networked operation. When designing with this device, ensure that the VDDCORE pin is bypassed correctly with the recommended capacitor network, and that the 80 MHz maximum frequency matches the chosen crystal and PLL configuration. Migrating between PIC32MX5/6/7 family parts is straightforward because they share the same peripheral library, MPLAB Harmony framework, and pin-compatible packages. This page synthesizes distributor pricing, drop-in same-package alternatives drawn from the PIC32MX family, and practical design notes not found in the manufacturer datasheet.

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PIC32MX664F128LT-I/BG - 80MHz 128KB Flash MCU with USB/Ethernet
PIC32MX664F128LT-I/BG

PIC32MX664F128LT-I/BG - 80MHz 128KB Flash MCU with USB/Ethernet

The Microchip Technology PIC32MX664F128LT-I/BG is a 32-bit MIPS MCU from the PIC32MX5/6/7 family, integrating 128 KB Flash and 32 KB SRAM with a MIPS32 M4K processor core running up to 80 MHz. The device integrates a 10/100 Mbit Ethernet MAC, USB Full-Speed (USB 2.0 FS) controller, 4-channel DMA, and a rich peripheral set in a 121-ball TFBGA (10x10x1.2 mm) surface-mount package. The part is qualified to Microchip's industrial temperature range (-40C to +85C). A 32-bit microcontroller is a single-chip computer that integrates a CPU core, program Flash, data SRAM, and a peripheral set on one die. The PIC32 family uses the MIPS32 M4K core, which executes the MIPS instruction set with single-cycle multiply and hardware debug support. Compared with 8-bit and 16-bit MCUs, 32-bit devices offer higher code density, faster arithmetic, and larger address spaces - making them suitable for embedded connectivity stacks such as TCP/IP and USB. The PIC32MX664 specifically targets connected applications by integrating Ethernet and USB peripherals alongside general-purpose I/O. Key features include 53 general-purpose I/O pins organized across multiple ports, five 16-bit timers/counters, two I2C and two SPI/I2S interfaces, two comparators, a 16-channel 10-bit ADC, and a 4-channel DMA engine that offloads memory-to-peripheral transfers. The internal 8 MHz and 32 kHz oscillators reduce BOM cost by eliminating external crystals in non-precision applications. The part supports in-circuit serial programming (ICSP) and JTAG debugging through the same pins. Typical applications include industrial Ethernet nodes, USB peripherals and embedded hosts, graphical user interfaces with integrated TFT drivers, automotive infotainment subsystems, point-of-sale terminals, and home-automation gateways. The integrated Ethernet MAC with MII/RMII interfaces allows direct connection to a PHY without an external controller, while the USB Full-Speed controller can operate in either device or host mode with on-chip transceivers. When designing with this device, ensure your PCB layout follows Microchip's TFBGA routing guidelines - the 0.8 mm pitch requires laser-via or microvia fanout for production-grade reliability. Decoupling capacitors must be placed as close as possible to every VDD/VSS pair, and the analog supply (AVDD) requires an additional LC filter. Developers typically use the MPLAB Harmony framework or MPLAB XC32 compiler for firmware development, with the PICkit or ICD debugger for in-circuit debug. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical PCB layout notes not collected on any single distributor page.

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PIC32MX664F128LT-I/PT - 80MHz 32-bit MCU 128KB Flash USB Ethernet | Microchip
PIC32MX664F128LT-I/PT

PIC32MX664F128LT-I/PT - 80MHz 32-bit MCU 128KB Flash USB Ethernet | Microchip

The Microchip Technology PIC32MX664F128LT-I/PT is a 32-bit MIPS M4K microcontroller delivering 80 MHz CPU performance with 128 KB Flash and 32 KB SRAM, housed in a 100-pin TQFP package (12x12x1 mm). It integrates USB 2.0 Full-Speed OTG, 10/100 Ethernet MAC, a 10-bit 1 Msps ADC, four DMA channels, and 83 general-purpose I/O lines, making it one of the most connectivity-rich members of the PIC32MX5xx/6xx/7xx family. A 32-bit MCU is a microprocessor core that processes 32-bit data words in a single instruction, providing roughly 4x the throughput of an 8-bit or 16-bit MCU at the same clock rate. PIC32MX devices sit in the middle of Microchip's 32-bit portfolio - above the SAM D20 Cortex-M0+ entry family in performance and below the SAM E70/SAMS70 Cortex-M7 in compute. They target connected embedded applications where Ethernet, USB, or CAN connectivity is required alongside real-time control and low BOM cost. The PIC32MX664F128LT-I/PT is built on a 5-stage pipelined MIPS32 M4K core with single-cycle hardware multiply and hardware divide. It features a 16-channel 10-bit ADC with up to 16 Msps total throughput across the channels, four dedicated DMA channels that offload data movement from the CPU, and a 16-bit Parallel Master Port for external bus expansion. The 'L' suffix denotes the 100-pin TQFP package; 'I' denotes the industrial -40C to +85C temperature range; 'T' denotes tape-and-reel packaging. Typical applications include industrial Ethernet gateways, USB device and host controllers, barcode scanners, point-of-sale terminals, building automation, and embedded web servers. The combination of full-speed USB OTG and Ethernet MAC in a single 80 MHz MCU is the key differentiator against cost-down PIC32MX1xx/2xx variants and against Microchip's own Cortex-M0+ based SAM D20/D21. When designing with this device, allocate sufficient decoupling on the 2.5V internal regulator pin (pin 56/100) - Microchip recommends a 10 uF tantalum or ceramic plus a 0.1 uF bypass on VCAP. The Ethernet MAC requires an external PHY and magnetics; the USB OTG transceiver requires external 15 k pull-downs on D+/D-. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the standalone manufacturer datasheet.

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PIC32MX664F128LT-V/BG - 32-bit 80MHz MCU 128KB Flash USB OTG | Microchip
PIC32MX664F128LT-V/BG

PIC32MX664F128LT-V/BG - 32-bit 80MHz MCU 128KB Flash USB OTG | Microchip

The Microchip PIC32MX664F128LT-V/BG is a 32-bit MIPS32 M4K PIC microcontroller IC running at 80 MHz, integrating 128 KB of Flash and 32 KB of SRAM in a 121-pin TFBGA (10x10 mm) package. The part is qualified for the -40C to +105C extended-industrial operating range and operates from a 2.3 V to 3.6 V supply, making it a member of the PIC32MX5/6/7 connectivity family with integrated 10/100 Ethernet MAC, USB OTG, 10-bit ADC, and DMA. A PIC32MX microcontroller belongs to the 32-bit MCU family within the broader category of microcontrollers -> embedded processors -> semiconductors. The PIC32MX5/6/7 series combines a high-performance MIPS32 M4K core with industry-leading connectivity peripherals (Ethernet, USB OTG, CAN) that allow embedded designs to add wired networking and USB device/host/OTG functionality without an external PHY companion. The M4K core executes most instructions in a single cycle and supports the MIPS16e code-compression ISA to maximise code density from the on-chip Flash. Key specifications for this part include 128 KB Flash program memory organised as 128K x 8, 32 KB SRAM, 80 MHz maximum CPU clock, an integrated 10-bit ADC with up to 16 channels and 1 Msps conversion rate, a 10/100 Mbps Ethernet MAC, USB 2.0 OTG controller with on-chip transceiver, up to 83 programmable I/O pins, and 5 timer/counters. The 121-TFBGA (10x10 mm) package is suited to compact, high-density layouts but requires careful PCB design for the 0.8 mm ball pitch. Architecturally, the PIC32MX664F128L combines a Harvard-style bus with a unified 32-bit data path, DMA controller for peripheral transfers, and a peripheral pin-select (PPS) engine that remaps digital peripherals to a wide choice of I/O pins, easing board layout. The USB OTG controller includes an integrated physical-layer transceiver, eliminating the need for an external PHY and reducing BOM cost for USB device, host and On-The-Go designs. Typical applications include industrial Ethernet nodes, USB human-interface devices, building-automation controllers, embedded web servers, and consumer audio accessories. The combination of Ethernet and USB OTG makes this part especially attractive for gateways that bridge USB peripherals onto an IP network. Designers should leverage the MPLAB Harmony software framework and the PIC32MX USB and Ethernet libraries to accelerate firmware development, and verify PCB escape routing for the 0.8 mm BGA balls with manufacturer-recommended design rules.

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PIC32MX664F128LT-V/PT - 80MHz 128KB Flash USB MCU | Microchip
PIC32MX664F128LT-V/PT

PIC32MX664F128LT-V/PT - 80MHz 128KB Flash USB MCU | Microchip

The Microchip PIC32MX664F128LT-V/PT is a 32-bit MIPS M4K microcontroller running at 80 MHz with 128 KB Flash and 32 KB SRAM, integrated full-speed USB OTG, 10-bit 1 Msps ADC, and 10/100 Ethernet MAC in a 100-pin TQFP (PT) 12x12 mm package. The part suffix –V denotes the extended -40C to +105C temperature range, while the T in the part number indicates tape-and-reel packaging. A 32-bit microcontroller (MCU) is a single-chip computer core based on a 32-bit data path, registers, and address space, integrating CPU, memory, peripherals and A/D - converters on one die. The PIC32MX series uses the MIPS M4K core, a Harvard-architecture processor widely deployed in embedded connectivity applications. Within Microchip's MCU taxonomy this MCU belongs to: 32-bit MCU -> MIPS32 -> PIC32 -> PIC32MX6xx family -> USB/Ethernet connectivity class. Key features include 128 KB Flash program memory organized as 128K x 8, 32 KB SRAM, USB OTG full-speed (12 Mbps) with on-chip transceiver, 10/100 Mbps Ethernet MAC, sixteen 10-bit ADC channels with 1 Msps conversion rate, five 16-bit timers plus five input-capture and five output-compare modules, two I2C and two SPI/I2S ports, and two UART modules. The device operates from 2.3V to 3.6V with 5V-tolerant digital I/O and supports MPLAB Harmony, MPLAB X IDE, and XC32 toolchains. Typical applications include USB peripherals and HID devices, Ethernet-connected embedded controllers, industrial automation nodes with USB device/host capability, point-of-sale terminals, and consumer audio/visual docks. Design considerations should include the mandatory 12 MHz primary oscillator for USB operation, layout separation of analog and digital grounds, and decoupling of the 3.3V rail close to all VDD/VSS pairs. This page synthesizes distributor pricing, drop-in same-package alternatives, and application notes not found in the standalone datasheet.

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PIC32MX675F256H-80V/MR - 80MHz 256KB Flash MCU | Microchip
PIC32MX675F256H-80V/MR

PIC32MX675F256H-80V/MR - 80MHz 256KB Flash MCU | Microchip

The Microchip Technology PIC32MX675F256H-80V/MR is a 32-bit MIPS M4K microcontroller running at 80MHz with 256KB of Flash and 64KB of SRAM, housed in a 64-pin VQFN (9x9 mm) package. It integrates USB 2.0 On-The-Go with a dedicated DMA path, a 10/100 Ethernet MAC with MII/RMII, and a high-performance peripheral set targeting connected applications. The 'V' suffix denotes the -40C to +105C industrial temperature grade. A PIC32MX microcontroller is a 32-bit MIPS-based MCU from Microchip designed to bridge the gap between traditional 8/16-bit PIC controllers and high-end Cortex-M devices. The PIC32 family uses a 5-stage Harvard pipeline and the MIPS16e instruction set, allowing up to 40% smaller code size for compact code. Positioned in the hierarchy MCU -> 32-bit MCU -> MIPS M4K core -> connected MCU, the PIC32MX5/6/7 series specifically targets embedded connectivity. Key features include 80MHz core speed (105 DMIPS), 256KB Flash, 64KB RAM, USB-OTG with on-chip PHY, 10/100 Ethernet MAC, 53 general-purpose I/O lines, 4 dedicated DMA channels, two I2C, two SPI, five UART, two CAN, and a 16-channel 10-bit ADC. The device supports 2.3V to 3.6V single-supply operation, drawing 73mA/MIPS at full speed. The VQFN-64 9x9 package exposes the thermal pad for improved thermal performance. The PIC32MX675 uses the MIPS M4K core with hardware multiply/divide, shadow register sets, and a deterministic interrupt controller. Code density is enhanced by MIPS16e compressed instructions. The on-chip USB-OTG PHY and dedicated DMA path eliminate the need for an external PHY and reduce CPU load for full-speed and high-speed USB stacks. Ethernet MAC, USB, and DMA work together, with IPv4 checksum offload to enable robust TCP/IP stacks on a single chip. Typical applications include industrial Ethernet nodes, USB peripherals and embedded hosts, building automation controllers, point-of-sale terminals, and connected medical devices. The combination of USB-OTG, Ethernet, CAN, and ample GPIO is well suited to factory automation, bridging sensors and HMIs to Ethernet/USB networks. When designing with this device, ensure the 64-VQFN thermal pad is soldered to a sufficiently large copper pour for heat dissipation, and route the USB DP/DN lines as a 90 ohm differential pair per USB specifications. MPLAB Harmony provides integrated middleware for TCP/IP, USB, and graphics, reducing development time. This page combines distributor pricing, drop-in alternatives, and practical design notes that go beyond the manufacturer datasheet summary.

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PIC32MX675F256H-80V/PT - 80MHz 32-bit MCU USB-OTG Ethernet 256KB | Microchip
PIC32MX675F256H-80V/PT

PIC32MX675F256H-80V/PT - 80MHz 32-bit MCU USB-OTG Ethernet 256KB | Microchip

The Microchip Technology PIC32MX675F256H-80V/PT is a 32-bit MIPS M4K microcontroller running at 80 MHz (105 DMIPS) with 256 KB of Flash and 64 KB of SRAM, housed in a 64-pin TQFP (PT) 10x10 mm package with 0.5 mm pitch. The PIC32MX5/6/7 family integrates a USB 2.0 On-The-Go peripheral with on-chip PHY, a 10/100 Ethernet MAC supporting MII/RMII, and a 5-stage pipelined Harvard core with MIPS16e code compression. A 32-bit MCU (microcontroller unit) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (SRAM), and peripherals. PIC32MX sits in Microchip's mid-range 32-bit family (lineage: PIC32MX -> PIC32 -> 32-bit MCU -> microcontroller -> embedded processor). It targets connectivity-rich embedded designs, sitting above 8-bit PIC16/PIC18 and below higher-end Cortex-M and Cortex-A parts, balancing performance, peripherals, and cost. Key features include 51 digital I/O lines, a 16-channel 10-bit ADC at 1 Msps, four 16-bit timer/counters, two I2C, two SPI, two UART, and four dedicated DMA channels for USB OTG. The supply range is 2.3 V to 3.6 V (operating core 2.5 V to 3.6 V), industrial -40 C to +105 C operating temperature (V suffix), and JTAG/ICSP debug with trace. The 80V suffix denotes the 80 MHz speed grade and the V = -40 C to +105 C industrial extended temperature window. Architecturally, the PIC32MX uses the MIPS M4K core, which executes most MIPS32 instructions in a single cycle and provides hardware multiply/divide and DSP extensions. Harvard architecture separates instruction and data paths, enabling simultaneous fetch and memory access. The dedicated DMA engine offloads USB OTG and memory-to-memory transfers from the CPU, freeing MIPS for application code. Typical applications include industrial Ethernet gateways, USB-OTG device/host controllers, building automation nodes, and embedded web servers. The combination of integrated Ethernet MAC, USB OTG with PHY, and ample RAM makes this part well suited for connected appliances, point-of-sale terminals, and remote sensor concentrators. The V temperature grade supports outdoor and factory-floor deployments. When designing with this MCU, allocate decoupling capacitors near each VDD/VSS pair, route the 50 MHz Ethernet reference clock with controlled impedance, and reserve area for the 32 kHz secondary oscillator if RTC operation is required. Use MPLAB Harmony to configure the USB OTG and Ethernet stacks; without it the firmware effort roughly doubles. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC32MX675F256HT-80I/MR - 80MHz 32-bit MCU w/ Ethernet | Microchip
PIC32MX675F256HT-80I/MR

PIC32MX675F256HT-80I/MR - 80MHz 32-bit MCU w/ Ethernet | Microchip

The Microchip Technology PIC32MX675F256HT-80I/MR is a 32-bit MIPS32 M4K microcontroller integrating 256 KB of Flash program memory and 64 KB of SRAM, clocked at up to 80 MHz, and packaged in a 64-pin VQFN (9x9 mm) with an exposed thermal pad for enhanced heat dissipation. A 32-bit microcontroller (MCU) is a single-chip computer that integrates a 32-bit CPU core, volatile and non-volatile memory, and a rich set of on-chip peripherals such as timers, communication controllers, ADCs, and DMA engines. Within the broader taxonomy, MCUs sit under microprocessors (MPU -> MCU -> 32-bit MCU) and are part of the embedded computing category. The PIC32MX family specifically targets connectivity-rich embedded applications, including industrial control, consumer devices, and networked embedded products. This particular PIC32MX675F256HT-80I/MR sits at the high end of the PIC32MX5/6/7 series, distinguished by its on-chip 10/100 Mbit Ethernet MAC and full-speed USB 2.0 controller. Key features of the PIC32MX675F256HT-80I/MR include 256 KB Flash organized as 256K x 8, 64 KB RAM, eight DMA channels for low-CPU-overhead data movement, an integrated 10/100 Ethernet MAC with the necessary RMII/MII interface, USB 2.0 full-speed OTG/Friendly host-or-device controller, multiple UART/SPI/I2C peripherals, a 10-bit ADC of 16 channels, and a parallel master port for external bus expansion. The part operates from a 2.3 V to 3.6 V supply and is rated for the industrial -40C to +85C temperature range. Architecturally, the PIC32MX675F256HT-80I/MR uses the MIPS32 M4K core with a 5-stage pipeline, hardware multiply/divide, and a single-cycle 32-bit ALU. Microchip's MPLAB Harmony framework supports the device with peripheral libraries, USB and TCP/IP stacks, and a graphical configuration tool. The Ethernet MAC connects directly to an external PHY (such as the Microchip KSZ8041) via RMII, eliminating the need for an external MAC. Eight DMA channels can service the ADC, SPI, UART, USB, and Ethernet peripherals in parallel, freeing the CPU for application logic. Typical applications include industrial Ethernet gateways, networked sensor nodes, USB peripherals, building automation controllers, and embedded web servers. The combination of Ethernet, USB, 256 KB Flash, and 64 KB RAM is well matched to small RTOS-based designs running TCP/IP stacks. When designing with this MCU, place the 64-pin VQFN exposed pad on a sufficiently large copper pour for thermal relief, since industrial Ethernet applications often run near 80 MHz. The Ethernet MAC requires an external 50 MHz reference clock input; ensure your PHY or oscillator circuit meets the RMII timing budget. This page synthesizes distributor pricing, drop-in alternatives, and design notes not found in the manufacturer datasheet alone.

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PIC32MX675F256HT-80V/MR - 80MHz 32-bit MCU 256KB Flash USB Ethernet
PIC32MX675F256HT-80V/MR

PIC32MX675F256HT-80V/MR - 80MHz 32-bit MCU 256KB Flash USB Ethernet

The Microchip Technology PIC32MX675F256HT-80V/MR is a 32-bit MIPS32 M4K microcontroller running up to 80 MHz, integrating 256 KB Flash and 64 KB SRAM in a 64-pin VQFN (9x9 mm) package with exposed pad. It provides integrated USB-OTG and 10/100 Ethernet MAC connectivity, 53 general-purpose I/O, DMA, and a 16-channel 10-bit ADC. A microcontroller (MCU) is a single-chip computer that combines a CPU core, non-volatile program memory (Flash), volatile working memory (RAM), and a rich set of peripherals. The PIC32MX5/6/7 family targets embedded connectivity-based applications, sitting in the PIC32 hierarchy between simpler PIC32MX1/2/3/4 devices and higher-pin-count PIC32MX7 series. It uses the MIPS32 M4K RISC core, licensed architecture now maintained by MIPS, optimized for deterministic real-time control with predictable interrupt latency. Key features include 256 KB on-chip Flash, 64 KB SRAM, DMA controller, four 16-bit timers, two I2C, two SPI, two UART, USB-OTG full-speed, 10/100 Mbps Ethernet MAC, 10-bit 1 MspsA conversion ADC with 16 channels, and five 16-bit compare/PWM modules. The "V" temperature grade supports -40C to +105C, while "80" denotes the 80 MHz maximum operating frequency. Typical applications include industrial Ethernet gateways, USB peripherals, embedded web servers, HMI controllers, point-of-sale terminals, and connectivity-equipped sensor nodes. Engineers choose this part when a single chip must host both TCP/IP networking and USB device/host functions without external PHY complexity. When designing, ensure the exposed thermal pad is soldered to a sufficient copper pour for thermal dissipation. Verify the supply voltage stays within 2.3V-3.6V during transient load steps. The MPLAB Harmony framework provides TCP/IP, USB, and graphics stacks to accelerate development. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found on DigiKey or Mouser product pages. All specifications reflect the manufacturer datasheet current at the time of verification.

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PIC32MX675F256HT-80V/PT - 80MHz 32-bit MCU 256KB Flash | Microchip
PIC32MX675F256HT-80V/PT

PIC32MX675F256HT-80V/PT - 80MHz 32-bit MCU 256KB Flash | Microchip

The Microchip PIC32MX675F256HT-80V/PT is a 32-bit MIPS M4K microcontroller running at up to 80 MHz, integrating 256 KB Flash and 64 KB SRAM with USB-OTG, 10/100 Ethernet MAC, and a 10-bit ADC in a 64-pin TQFP (10x10 mm) package. The 'V' speed grade and -40C to +105C industrial operating range make it suitable for embedded connectivity designs that must operate across commercial and industrial temperature extremes. Per the Microchip product page, the part is supported by MPLAB Harmony integrated software framework. A 32-bit microcontroller (MCU) is a programmable processor built around a 32-bit data path, typically with on-chip Flash program memory, SRAM, peripherals, and interrupt controller. The PIC32MX series sits in the hierarchy: 32-bit MCU -> embedded processor -> MIPS M4K core -> Microchip PIC32 portfolio. Compared with 8-bit/16-bit MCUs, 32-bit parts provide higher throughput, larger address spaces, and richer peripherals for connected embedded designs. Key features include 256 KB Flash, 64 KB RAM, USB-OTG (host/device/OTG), 10/100 Ethernet MAC with MII/RMII interface, two I2C, two SPI, two UART, five 16-bit timers, five input-capture and five output-compare modules, a 10-bit 1 Msps ADC with up to 16 channels, and a parallel master port (PMP). The 64-pin TQFP footprint exposes 53 general-purpose I/O pins, leaving several pins dedicated to oscillator, JTAG, and analog functions. The M4K core executes most instructions in one cycle, providing 1.56 DMIPS/MHz and integer DSP extensions. The Ethernet MAC integrates an MII/RMII interface and the USB-OTG controller adds full-speed and low-speed USB with on-chip transceiver, removing the need for an external PHY for USB. DMA channels offload data movement between peripherals and memory, freeing the CPU for application code. Typical applications include industrial Ethernet nodes, USB-OTG peripherals (HID, CDC, mass storage, audio), Ethernet-enabled PLCs, HVAC and building automation controllers, and graphical user interfaces using PMP to drive LCDs. Its combination of Ethernet, USB, and 80 MHz MIPS core suits connected industrial and consumer designs. When designing with the PIC32MX675F256HT-80V/PT, ensure the 2.3-3.6V supply is decoupled with 100 nF + bulk ceramic placed near the VDD/VSS pairs. Configure the JTAG/ICSP pins (TMS, TCK, TDI, TDO) carefully so production programming is not blocked. Use the Ethernet MAC with an external PHY qualified for the target EMI environment. This page synthesizes distributor pricing, drop-in alternatives, and side-by-side parametric guidance not found on the manufacturer product page alone, allowing engineers to evaluate the PIC32MX675F256HT-80V/PT against alternatives in one view.

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PIC32MX675F256L-80I/BG - 32-bit MCU 80 MHz 256 KB Flash USB ENET | Microchip
PIC32MX675F256L-80I/BG

PIC32MX675F256L-80I/BG - 32-bit MCU 80 MHz 256 KB Flash USB ENET | Microchip

The Microchip PIC32MX675F256L-80I/BG is a 32-bit MIPS32 M4K microcontroller running at 80 MHz with 256 KB of Flash and 64 KB of SRAM, integrating a 10/100 Mbit Ethernet MAC, USB 2.0 full-speed device/host/OTG, two I2C, two UART, two SPI and a parallel master port. It is housed in a 121-ball TFBGA (10x10 mm) package and operates across -40C to +85C industrial temperature range. A 32-bit microcontroller (MCU) is a single-chip computer that integrates a high-performance CPU core, Flash program memory, SRAM data memory, and a rich peripheral set. Microchip's PIC32 family is positioned between traditional 8/16-bit microcontrollers and high-end application processors, targeting industrial control, embedded connectivity, and USB-centric designs. The MIPS32 M4K core inside PIC32MX devices delivers 1.5 DMIPS/MHz with single-cycle multiply and hardware multiply-accumulate, enabling efficient DSP routines and protocol stack execution. The PIC32MX675F256L-80I/BG features 256 KB Flash and 64 KB RAM, 8-channel DMA, 16-bit timers, 10-bit ADC, PMP (parallel master port), and integrated Ethernet MAC that connects to a 100 Mbit PHY via RMII/MII. The 121-TFBGA package provides 84 dedicated I/O pins for board-level integration. USB 2.0 full-speed On-The-Go enables dual-role USB peripherals, eliminating the need for external controllers. The device supports 2.3V to 3.6V core VDD and operates from -40C to +85C industrial range. The architecture uses a Harvard bus with separate 32-bit instruction and 32-bit data paths to the Flash and SRAM, plus a tightly coupled prefetch cache that masks Flash latency. The 10/100 Ethernet MAC includes an MII/RMII interface for external PHY connection, supporting both 10 Mbit and 100 Mbit rates. Dedicated DMA engines offload data movement from the CPU, freeing MIPS for application code. Typical applications include industrial Ethernet nodes with Modbus TCP, USB peripherals and HID devices, embedded web servers, gateway routers bridging USB to Ethernet, and graphical connectivity with PMP interface. The integrated Ethernet and USB make it a single-chip solution for connected IoT edges. When designing with this part, reserve 1-2 mA per VDD rail and use a four-layer PCB with dedicated ground plane to keep Ethernet RMII signals clean. The 121-TFBGA package requires reflow soldering with proper thermal relief to the ground pad for reliable power dissipation. The Ethernet MAC requires an external MII/RMII PHY such as the LAN8720A or DP83848 for physical layer termination. This page synthesizes distributor pricing, drop-in alternatives, and practical engineering notes not found in the manufacturer datasheet.

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PIC32MX675F256L-80I/PF - 80MHz 32-bit MCU 256KB Flash | Microchip
PIC32MX675F256L-80I/PF

PIC32MX675F256L-80I/PF - 80MHz 32-bit MCU 256KB Flash | Microchip

The Microchip Technology PIC32MX675F256L-80I/PF is a 32-bit MIPS32 M4K PIC microcontroller integrating 256 KB of Flash program memory and 64 KB of SRAM, housed in a 100-pin TQFP (14x14 mm, PF suffix) package and running at up to 80 MHz across the industrial -40C to +85C temperature range. A 32-bit microcontroller (MCU) is an integrated circuit that combines a 32-bit CPU core, program and data memory, and a rich set of programmable peripherals on a single silicon die. PIC32MX MCUs sit in the broader taxonomy of microcontrollers -> 32-bit microcontrollers -> MIPS-based microcontrollers -> embedded controllers -> semiconductor ICs, designed for applications that need more computational headroom than 8-bit or 16-bit parts but lower power and simpler toolchains than Cortex-M devices. Key features include an integrated 10/100 Mbit Ethernet MAC, USB 2.0 full-speed On-The-Go controller with dedicated DMA, eight DMA channels for low-CPU-overhead data movement, a 16-channel 10-bit ADC, two I2C, two SPI, and five UART/I2C modules, plus five 16-bit timers/capture/compare/PWM modules. The M4K core supports the MIPS DSP ASE, providing single-cycle MAC and saturating arithmetic for signal-processing workloads. The PIC32MX6xx family is fabricated on a CMOS process that delivers the deterministic interrupt latency and 5-stage pipeline performance typical of the MIPS architecture, while the integrated Ethernet MAC and USB OTG reduce the need for external interface chips. Up to 83 general-purpose I/O lines and peripheral pin select (PPS) give layout flexibility, and MPLAB Harmony provides a unified firmware framework for these peripherals. Typical applications include industrial Ethernet nodes (Modbus TCP, EtherNet/IP gateways), USB device and embedded-host products, networked sensors, HMI panels with TFT displays, audio processing with the DSP ASE, and bridging between Ethernet and USB in factory automation. The combination of Ethernet + USB + ample RAM also suits connected data loggers and protocol converters. When designing with this device, plan the pin-out using the Peripheral Pin Select feature early; mismatched PPS mappings are the most common bring-up issue. For Ethernet, add the required 50 MHz reference oscillator circuit, bias resistor network, and pulse transformer specified in the PIC32MX5/6/7 family reference manual. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC32MX675F256L-80V/BG - 80MHz 256KB Flash MCU | Microchip
PIC32MX675F256L-80V/BG

PIC32MX675F256L-80V/BG - 80MHz 256KB Flash MCU | Microchip

The Microchip Technology PIC32MX675F256L-80V/BG is a 32-bit MIPS MCU from the PIC32MX5/6/7 family, integrating 256KB Flash and 64KB SRAM in a 121-ball TFBGA (10x10mm, 0.8mm pitch) package. It runs at 80MHz core clock with the MIPS32 M4K core, providing 1.56 DMIPS/MHz performance. The device integrates 10/100 Mbps Ethernet MAC, USB 2.0 OTG full-speed, two I2C, two UART, two SPI, 16-channel 10-bit ADC, five 16-bit timers, and a parallel master port for external bus expansion. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (Flash), data memory (SRAM), and integrated peripherals. The PIC32MX family specifically targets embedded connectivity applications, sitting within the broader taxonomy: 32-bit MCU -> embedded controller -> semiconductor. MIPS-based MCUs offer deterministic performance, competitive code density, and strong compiler support through GCC and MPLAB XC32. Microchip's MPLAB Harmony framework provides royalty-free middleware (TCP/IP stacks, USB, graphics, file systems) to accelerate development on this part. The integrated Ethernet MAC and USB-OTG controller distinguish this part from lower-end PIC32 variants, eliminating the need for external PHY-less MAC expanders in many designs. The 83 GPIO pins support up to five 16-bit timers with capture/compare/PWM, plus an input capture module and output compare module for waveform synthesis. The 16-channel 1 Msps 10-bit ADC enables direct sensor interfacing without an external ADC. A 4-channel DMA controller offloads memory transfers, freeing the CPU for application logic. The 121-ball TFBGA package provides a compact footprint while exposing the parallel master port (PMP) for external bus interfacing to memories or graphics controllers. With industrial temperature grade and 3.3V single-supply operation, the part suits factory automation, point-of-sale terminals, building automation controllers, and networked sensor hubs where wired connectivity is required. When designing with this part, ensure the 3.3V supply is well-decoupled with 100nF ceramic plus 10uF bulk capacitors near each VDD/VSS pair, and that the Ethernet PHY uses the RMII interface correctly. The TFBGA requires X-ray or rework station inspection for prototype rework.

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PIC32MX675F256L-80V/PF - 32-bit MCU 256KB Flash 80MHz USB-Ethernet TQFP-100 | Microchip
PIC32MX675F256L-80V/PF

PIC32MX675F256L-80V/PF - 32-bit MCU 256KB Flash 80MHz USB-Ethernet TQFP-100 | Microchip

The Microchip PIC32MX675F256L-80V/PF is a 32-bit MIPS M4K microcontroller with 256 KB Flash, 64 KB RAM, integrated 10/100 Ethernet MAC, USB-OTG, and a 10-bit ADC, operating at up to 80 MHz and housed in a 100-pin TQFP (14x14 mm) package. It is part of the PIC32MX5/6/7 family that combines high-performance MIPS32 processing with industrial-grade connectivity peripherals. A 32-bit microcontroller (MCU) is a microprocessor-on-a-chip that integrates a CPU core, Flash program memory, SRAM data memory, and a range of peripherals into a single package. The PIC32 architecture uses a MIPS32 M4K core with 5-stage pipeline, sitting in the hierarchy: microcontroller -> embedded MCU -> 32-bit MCU -> MIPS-based processor -> semiconductor IC. Compared with 8-bit or 16-bit MCUs, 32-bit devices like the PIC32MX675F256L execute instructions in fewer cycles, support larger memory spaces, and enable more sophisticated firmware stacks (TCP/IP, USB, graphics). Key features of this variant include 256 KB on-chip Flash, 64 KB SRAM, USB-OTG full-speed peripheral, 10/100 Mbps Ethernet MAC with MII/RMII interface, a 16-channel 10-bit ADC with 1 Msps conversion rate, up to 53 general-purpose I/O, and two I2C, two SPI, and two UART interfaces. The -80V speed grade specifies 80 MHz maximum CPU clock, while the -V operating range covers -40C to +105C industrial temperatures. The 100-pin TQFP (PF) package provides ample I/O for graphics and parallel buses. The device also includes a 4-channel DMA controller, five 16-bit timers/counters, an RTCC with calendar mode, JTAG and 2-wire ICSP debug interfaces, and a peripheral pin-select mechanism that maps digital functions to any remappable pin. The integrated Ethernet MAC and USB-OTG eliminate the need for external controllers in networked embedded designs. Typical applications include industrial Ethernet gateways, USB-OTG enabled human-machine interfaces (HMI), networked sensors with web servers, building-automation controllers, and embedded point-of-sale terminals. Its 80 MHz performance and large SRAM also make it suitable for graphical LCD and small TFT control. When designing with this part, pay attention to the brown-out-reset voltage selection (2.5 V to 3.6 V supply range), add a 10 uF bulk + 0.1 uF ceramic decoupling pair close to each VDD/VSS pin pair, and ensure the Ethernet PHY reference clock meets the MII/RMII timing requirements in the datasheet. Allocate dedicated PCB layers for the analog AV+/AV- supply pair to minimize ADC noise coupling. This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes for the PIC32MX675F256L-80V/PF that are not aggregated in the manufacturer datasheet alone, supporting faster sourcing and design-in decisions.

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PIC32MX675F256LT-80I/BG - 32-bit MCU 80MHz 256KB Flash 121-TFBGA
PIC32MX675F256LT-80I/BG

PIC32MX675F256LT-80I/BG - 32-bit MCU 80MHz 256KB Flash 121-TFBGA

The Microchip PIC32MX675F256LT-80I/BG is a 32-bit MIPS32 M4K RISC microcontroller operating at up to 80 MHz, integrating 256 KB of Flash program memory and 64 KB of SRAM in a 121-ball TFBGA (10x10 mm) surface-mount package. The device includes a 10/100 Mbit Ethernet MAC, USB 2.0 Full-Speed OTG, two I2C, two SPI, two UART modules, eight DMA channels, and a 16-channel 10-bit ADC, providing rich connectivity for embedded networking designs. The 'LT' suffix denotes tape-and-reel packaging and the 'I' suffix denotes the industrial -40C to +85C operating temperature range. A 32-bit microcontroller (MCU) is an integrated circuit that combines a high-performance 32-bit processor core, program memory (Flash), data memory (SRAM), and a rich set of on-chip peripherals in a single silicon die. Within the broader semiconductor taxonomy, a 32-bit MCU sits below application processors and above 8-bit / 16-bit microcontrollers, offering substantially higher throughput (Dhrystone MIPS) while retaining deterministic interrupt response and low-power sleep modes. PIC32MX devices bridge classic PIC microcontroller ease-of-use with MIPS-class arithmetic capability, supported by Microchip's MPLAB X IDE and Harmony framework. Key features include 80 MHz core clock with single-cycle multiplication, 256 KB self-programmable Flash, 64 KB SRAM, full-speed USB 2.0 OTG with integrated transceiver, 10/100 Ethernet MAC with RMII/MII interface, eight-channel DMA, 16 channels of 10-bit ADC at up to 1 Msps, and up to 83 general-purpose I/O pins. The 121-ball TFBGA package exposes the full peripheral set, including parallel data ports and external bus interface, making this the highest-pin-count variant in the PIC32MX675 family. The architecture combines a 5-stage MIPS32 M4K pipeline with single-cycle MAC instructions and a hardware multiply/divide unit, delivering 1.56 DMIPS/MHz. Configurable prefetch cache and a separate peripheral bus reduce Flash wait-state penalties. The integrated Ethernet MAC supports IEEE 802.3 with MII/RMII PHY interfaces, and the USB OTG controller includes on-chip transceivers and battery-charge detection per USB 1.1/2.0 specifications. Code protection, JTAG boundary scan, and trace ports support debugging through MPLAB ICD and REAL ICE emulators. Typical applications include industrial Ethernet gateways, USB-to-UART bridges, embedded web servers, industrial control with Modbus TCP, building automation controllers, and point-of-sale terminals. The combination of USB, Ethernet, and ample GPIO makes this part especially attractive for IoT edge nodes requiring multi-protocol wired connectivity without external PHY/transceiver ICs. For designs migrating to the same package, ensure the 121-ball land pattern with 0.8 mm pitch is properly fabricated with NSMD pads and microvia-in-pad for reliable BGA assembly. Decouple each AVDD/VDD pair with 100 nF and 4.7 uF ceramic capacitors placed within 3 mm of the ball, and follow Microchip's recommended reflow profile for Pb-free SAC305 alloy. This page synthesizes distributor pricing, drop-in alternatives within the same 121-TFBGA footprint, and practical design notes that go beyond the manufacturer datasheet to accelerate component selection and PCB layout decisions.

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PIC32MX675F256LT-80I/PF - 80MHz 32-bit MCU 256KB Flash USB ENET | Microchip
PIC32MX675F256LT-80I/PF

PIC32MX675F256LT-80I/PF - 80MHz 32-bit MCU 256KB Flash USB ENET | Microchip

The Microchip PIC32MX675F256LT-80I/PF is a 32-bit MIPS M4K microcontroller operating at up to 80 MHz, integrating 256 KB of Flash program memory and 64 KB of RAM in a 100-pin TQFP (14x14 mm) package. It combines an integrated 10/100 Mbit Ethernet MAC, USB 2.0 full-speed On-The-Go (OTG) controller, 8-channel DMA, and a wide peripheral set including multiple UART, SPI, I2C, and 16-bit timers for embedded connectivity applications. A 32-bit microcontroller (MCU) is a microprocessor that integrates the CPU core, program and data memory, peripherals, and interrupt logic onto a single IC. PIC32MX devices belong to the higher-tier family of Microchip's MIPS-based 32-bit portfolio, positioned as: PIC32MX microcontroller -> 32-bit MCU -> embedded microprocessor -> semiconductor. The M4K core provides single-cycle multiplication and hardware multiply-accumulate support, enabling deterministic real-time control at low power consumption. Key features include 80 MHz maximum core clock, 1.56 DMIPS/MHz performance, 256 KB self-programmable Flash with live update support, 64 KB SRAM, integrated 10/100 Ethernet MAC with MII/RMII interface, USB 2.0 full-speed OTG, two I2C, two UART, two SPI, 16-channel 10-bit ADC at 1 Msps, five 16-bit timers/counters, and 53 general-purpose I/O pins. The device operates from 2.3 V to 3.6 V across the industrial -40 C to +85 C range. The PIC32MX architecture uses a 5-stage pipeline Harvard memory layout, providing deterministic interrupt response and zero-wait-state Flash execution at full 80 MHz. Peripherals are interconnected through a 32-bit bus matrix and an 8-channel DMA engine, allowing high-throughput data movement between Ethernet, USB, ADC, and SPI without CPU intervention. The CTMU (Charge Time Measurement Unit) supports capacitive touch sensing, while the PMP (Parallel Master Port) connects to external displays or memory-mapped peripherals. Typical applications include industrial Ethernet gateways, USB device controllers, building automation nodes, point-of-sale terminals, medical monitoring devices, and embedded web servers. The integrated Ethernet MAC significantly reduces BOM cost versus external PHY-based designs, while the USB OTG controller enables both host and device roles in a single interface. Design with care for high-speed signal integrity. Place a 0.1 uF decoupling capacitor adjacent to every VDD/VDDCORE pin pair, with a bulk 10 uF tantalum capacitor at the regulator output. Route the Ethernet MII/RMII traces as a 50 ohm controlled-impedance group, and place the 25 MHz crystal within 200 mils of the OSC1/OSC2 pins to minimize jitter. This page synthesizes distributor pricing, drop-in same-package alternatives from the PIC32MX family, and practical design notes not consolidated in the manufacturer datasheet.

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PIC32MX675F256LT-80V/PF - 80MHz 32-bit MCU w/ 256KB Flash & Ethernet
PIC32MX675F256LT-80V/PF

PIC32MX675F256LT-80V/PF - 80MHz 32-bit MCU w/ 256KB Flash & Ethernet

The Microchip Technology PIC32MX675F256LT-80V/PF is a 32-bit MIPS M4K microcontroller operating at 80 MHz with 256 KB Flash and 64 KB SRAM, housed in a 100-pin TQFP package. It integrates a 10/100 Mbps Ethernet MAC, USB-OTG full-speed, two I2C and SPI peripherals, five UARTs, a 16-channel 10-bit ADC, and a Parallel Master Port for external bus interfacing. A 32-bit microcontroller (MCU) is an embedded processor with on-chip Flash, SRAM and peripherals that executes firmware directly from non-volatile memory. PIC32MX devices use the MIPS32 M4K core and sit in the broader hierarchy of microcontrollers -> embedded processors -> semiconductors, with a focus on connectivity-rich applications such as industrial control, consumer electronics and connected appliances. The PIC32MX5/6/7 family specifically targets an integrated devices market, where on-chip MAC and USB-OTG reduce BOM cost. Key features of this part include 80 MHz core / 50 MHz peripheral bus operation, 256 KB Flash, 64 KB RAM, a DMA controller with 8 channels, a 10-bit ADC up to 1 Msps with 16 channels, two comparators, five 16-bit timers, and a Real-Time Clock/Calendar. The Ethernet MAC supports RMII/MII PHY interfaces for 10/100 Mbps full-duplex operation. A full-speed USB-OTG controller with on-chip transceiver eliminates the need for an external PHY. The architecture combines a Harvard-style MIPS M4K core with a multi-vector interrupt controller and a Peripheral Pin Select (PPS) mapping engine that remaps digital peripherals to virtually any I/O pin. The 100-pin TQFP exposes 53 I/Os, of which most are 5V-tolerant in input mode, simplifying interfacing to legacy 5V logic. An integrated voltage regulator supports 2.3V-3.6V single-supply operation, enabling direct Li-Ion or 3.3V regulated designs. Typical applications include industrial Ethernet gateways, USB-OTG device controllers, HMI panels, point-of-sale terminals, and home/building automation controllers. The combination of Ethernet, USB and multiple serial interfaces suits connected embedded systems with mixed communication needs. When designing with this device, ensure the 80 MHz part is paired with an 80 MHz-rated Ethernet PHY (such as the KSZ8041) and that PCB layout follows MII trace-length guidelines. Decoupling requires at least one 0.1 uF ceramic capacitor per power pin plus a bulk 10 uF capacitor on VDD. This page synthesizes distributor pricing, drop-in alternatives within the PIC32MX family, and practical design notes not found in the manufacturer datasheet.

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PIC32MX675F256LT-80V/PT - 80MHz 32-bit MCU, 256KB Flash, USB-OTG/Ethernet | Microchip
PIC32MX675F256LT-80V/PT

PIC32MX675F256LT-80V/PT - 80MHz 32-bit MCU, 256KB Flash, USB-OTG/Ethernet | Microchip

The Microchip Technology PIC32MX675F256LT-80V/PT is a 32-bit MIPS MCU from the PIC32MX5/6/7 family featuring 256KB Flash, 64KB RAM, integrated 10/100 Ethernet MAC, USB-OTG, and an 80 MHz maximum operating speed, housed in a 100-pin TQFP (12x12 mm) package. The device delivers 80 DMIPS of computational throughput from a single-core MIPS32 M4K pipeline and is manufactured on a CMOS process optimized for low-power embedded connectivity. A 32-bit microcontroller (MCU) is a programmable system-on-chip that integrates a high-performance processor core, program and data memory, and a rich set of peripherals into a single IC. The PIC32MX675 series sits within Microchip's PIC32 family, which targets embedded applications requiring connectivity (USB, Ethernet), graphical HMI (via PMP/parallel master port), and real-time control. In the broader product hierarchy, an MCU is a type of microcontroller -> embedded processor -> semiconductor IC. The "MX" naming convention indicates the MIPS-based M4K core family. Key differentiating specifications include: 256KB (256K x 8) Flash program memory, 64KB SRAM, 83 general-purpose I/O lines, a 16-channel 10-bit ADC at up to 1 Msps, five 16-bit timers, two I2C, two SPI, two UART, USB-OTG (host/device/On-The-Go), 10/100 Mbps Ethernet MAC with MII/RMII interface, two I2S/SPDIF audio interfaces, a Parallel Master Port (PMP) for graphics/parallel memory, and DMA with 8 channels. Supply voltage is 2.3V to 3.6V (nominal 3.3V), and operating temperature range is -40C to +105C (industrial grade "V" suffix). The "T" suffix denotes tape-and-reel packaging, while "80" denotes 80 MHz max frequency. The architecture combines a Harvard-style bus with separate instruction and data paths to Flash/SRAM, allowing simultaneous fetch and data access. Peripherals are connected via a peripheral bus matrix with DMA support, offloading data movement from the core. The 10/100 Ethernet MAC integrates an MII/RMII interface that connects to an external PHY such as the Microchip KSZ8041 or DP83848, eliminating the need for an external network processor. USB-OTG support enables both host and device roles, useful for embedded peripherals that must act as either. Typical applications include industrial Ethernet gateways and PLCs, USB-enabled data acquisition modules, embedded web servers, home automation controllers, medical telemetry devices, point-of-sale terminals, and graphical HMI panels. The combination of Ethernet, USB-OTG, and PMP graphics support makes this MCU particularly suited to networked HMI products where a single chip must handle both communications and display. When designing with this MCU, ensure that the 3.3V supply is well regulated with low noise to avoid corruption of ADC and Ethernet signals. The Ethernet MAC requires an external PHY (e.g., KSZ8041), 25 MHz reference clock, and proper MII/RMII termination. JTAG/ICSP programming requires the standard Microchip 4-wire interface plus a dedicated programming header footprint. This page consolidates distributor pricing, parametric drop-in alternatives in the same TQFP-100 footprint, and design guidance that supplements the manufacturer datasheet for engineers evaluating the PIC32MX675 family.

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PIC32MX675F512H-80I/MR - 80MHz MIPS 32-bit MCU 512KB Flash | Microchip
PIC32MX675F512H-80I/MR

PIC32MX675F512H-80I/MR - 80MHz MIPS 32-bit MCU 512KB Flash | Microchip

The Microchip Technology PIC32MX675F512H-80I/MR is a 32-bit MIPS M4K microcontroller delivering 80 MHz of core performance with 512 KB of Flash program memory and 64 KB of SRAM, packaged in a 64-pin VQFN (9x9 mm). It integrates a 10/100 Mbit Ethernet MAC, USB 2.0 full-speed OTG, two CAN 2.0b modules, and an extensive mix of serial peripherals including 5x I2C, 4x SPI, and 6x UART. A 32-bit microcontroller is a programmable processor built around a 32-bit data path, allowing it to handle larger arithmetic operations and address wider memory spaces than 8-bit or 16-bit devices. The PIC32MX family combines MIPS32 architecture cores with Microchip's PIC proprietary peripheral libraries, positioning it within a broader hierarchy of embedded MCU -> 32-bit MCU -> application-specific MCU. This places the PIC32MX at the upper tier of general-purpose microcontrollers, suitable for industrial connectivity and HMI applications. Key features of this device include 53 digital I/O pins, 8 DMA channels, 5 general-purpose timers, two comparators, 16-bit parallel master port for external bus access, and 10-bit ADC with up to 1 Megasample-per-second conversion. Operating voltage spans 2.3V to 3.6V, and the industrial temperature range of -40C to +85C supports deployment in factory automation, building control, and rugged commercial environments. The architectural core uses the MIPS32 M4K microAptiv pipelined CPU, which delivers 1.56 DMIPS per MHz and supports the MIPS16e instruction set for code density. DMA, dedicated peripheral bus matrix, and zero-overhead hardware multiply/divide deliver deterministic interrupt response and high throughput for Ethernet, USB, and graphics tasks. Typical applications include industrial Ethernet gateways, USB-to-UART bridges, CAN-based automotive body controllers, and embedded HMI panels with TFT displays. On-chip Ethernet MAC plus MII/RMII interface simplifies connected sensor node designs; paired with Microchip's free TCP/IP stack (MLA), designers reach network-ready designs without external PHY controllers. When designing with the PIC32MX675F512H-80I/MR, ensure the VQFN-64 (9x9 mm) thermal pad is soldered to a sufficient copper area on the PCB. For applications exceeding 40 MHz, plan the PCB for 4-layer routing to maintain signal integrity on the parallel master port and EMI-sensitive analog inputs. Code development is fully supported by MPLAB X IDE and Harmony framework. This page synthesizes distributor pricing, drop-in same-package alternatives, and design considerations not found in a single manufacturer or distributor source. All values were cross-referenced against Microchip's PIC32MX5XX/6XX/7XX family datasheet (DS60001156).

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PIC32MX675F512H-80I/PT - 80MHz 32-bit MCU, 512KB Flash | Microchip
PIC32MX675F512H-80I/PT

PIC32MX675F512H-80I/PT - 80MHz 32-bit MCU, 512KB Flash | Microchip

The Microchip Technology PIC32MX675F512H-80I/PT is a 32-bit MIPS32 M4K PIC microcontroller running at 80 MHz with 512 KB of Flash program memory and 64 KB of SRAM, housed in a 64-pin TQFP (PT) 10x10 mm package. It integrates a 10/100 Mbit Ethernet MAC, USB OTG, six UART, three SPI, four I2C peripherals, and a 16-channel 10-bit ADC, making it a full-featured connectivity MCU for embedded networking applications. The industrial temperature grade (-40C to +85C) and 2.3 V to 3.6 V supply range suit it to commercial and industrial designs. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory, RAM, and programmable peripherals. The PIC32MX family uses the MIPS32 M4K core (RISC architecture) paired with Microchip's PIC peripheral ecosystem, and falls into the broader hierarchy of microcontroller -> embedded processor -> semiconductor -> integrated circuit. 32-bit MCUs like this part are typically deployed where 8/16-bit devices lack the throughput for TCP/IP stacks, graphics, or audio DSP, while still offering low enough power for battery and bus-powered products. Key differentiating features include 512 KB Flash and 64 KB SRAM (large enough for full TCP/IP stacks plus application code), an integrated 10/100 Ethernet MAC for connected products, USB OTG for device/host/On-The-Go roles, eight DMA channels that offload data movement from the core, and a parallel master port for external bus expansion. The 53 programmable I/O pins are 5V tolerant on selected pins, simplifying mixed-voltage interfacing. Brown-out reset, power-on reset, and a watchdog timer contribute to robust embedded firmware behavior. The architecture pairs a 32-bit MIPS core (5-stage pipeline, single-cycle multiply) with Microchip's peripheral set, supporting MPLAB X IDE, MPLAB Harmony framework, and XC32 compiler toolchains. The 80 MHz clock rate delivers 1.56 DMIPS/MHz (approximately 125 DMIPS), giving roughly two to four times the headroom of PIC24 or PIC32MX1/2/3/4/5-series predecessors for protocol processing. Typical applications include industrial Ethernet gateways, USB-to-UART bridges, building-automation controllers, point-of-sale terminals, embedded web servers, and any connected appliance that needs an HTTP/MQTT server or USB device role. The 512 KB Flash also supports rich GUIs and over-the-air firmware update schemes. When designing with this part, verify the 2.3-3.6 V supply window (5V tolerant I/O does not mean 5V core operation) and follow Microchip's decoupling recommendations - 100 nF plus bulk capacitance near each VDD/VSS pair is typical for stable 80 MHz operation. This page synthesizes distributor pricing, drop-in alternative MPNs, and design notes for the PIC32MX675F512H-80I/PT not found in a single manufacturer datasheet.

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PIC32MX675F512HT-80I/MR - 32-bit MCU, 80MHz, 512KB Flash, Ethernet, USB, CAN | Microchip
PIC32MX675F512HT-80I/MR

PIC32MX675F512HT-80I/MR - 32-bit MCU, 80MHz, 512KB Flash, Ethernet, USB, CAN | Microchip

The Microchip PIC32MX675F512HT-80I/MR is a 32-bit MIPS M4K microcontroller operating at up to 80 MHz, integrating 512 KB of Flash program memory and 128 KB of RAM, with an integrated 10/100 Mbit Ethernet MAC, USB 2.0 Full-Speed OTG, and CAN 2.0B controller. Housed in a 64-pin QFN (MR) package, this industrial-temperature-grade (-40C to +85C) device targets embedded connectivity designs. A 32-bit microcontroller (MCU) is an integrated circuit that combines a high-performance processor core, on-chip memory, and a rich set of peripherals to execute complex embedded software. Within the broader taxonomy, PIC32MX belongs to the MIPS-based 32-bit MCU family, which itself is a subcategory of microcontrollers, a class of programmable logic devices that sit under the larger umbrella of integrated circuits and semiconductors. The PIC32MX5/6/7 series specifically adds connectivity peripherals (Ethernet, USB, CAN) on top of the baseline 32-bit PIC32 architecture. Key features include 512 KB Flash and 128 KB SRAM, an 80 MHz core with 1.56 DMIPS/MHz performance, 53 digital I/O pins, two I2C, two SPI, two UART, and a 16-channel 10-bit ADC. The integrated Ethernet MAC supports 10/100 Mbps MII/RMII, and the USB 2.0 OTG controller adds Host/Device capability. The on-chip CAN 2.0B module is ideal for industrial networking. The supply voltage range is 2.5 V to 3.6 V, suitable for 3.3 V digital systems. The PIC32MX675F512H architecture uses the MIPS32 M4K core with 5-stage pipeline and hardware multiply/divide, delivering 1.56 DMIPS/MHz. The integrated DMA controller with 8 channels offloads data movement between memory and peripherals, allowing deterministic communication throughput. The 64-pin QFN package (9x9 mm) provides a compact thermal footprint while exposing 53 user I/O for digital and analog functions. Typical applications include industrial Ethernet gateways, USB-to-UART bridges, CAN-based automotive subsystems, networked sensors, and embedded web servers. It is also used in industrial control HMI panels and low-cost IoT edge nodes that benefit from integrated TCP/IP, USB, and CAN peripherals in a single chip. When designing with this device, supply the 3.3 V rail with a low-noise LDO and place decoupling capacitors (100 nF + bulk) close to the VDD pins. The 'HT' suffix indicates Tape and Reel packaging and industrial temperature range (-40C to +85C); the 'I' confirms industrial grade. Use MPLAB Harmony or MPLAB X IDE for firmware development. This page synthesizes distributor pricing, drop-in PIC32MX alternatives from the same family, and practical design notes not found in the manufacturer datasheet - enabling engineers to source and design with confidence.

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PIC32MX675F512HT-80I/PT - 80MHz, 512KB Flash MCU | Microchip
PIC32MX675F512HT-80I/PT

PIC32MX675F512HT-80I/PT - 80MHz, 512KB Flash MCU | Microchip

The Microchip PIC32MX675F512HT-80I/PT is a 32-bit MIPS M4K microcontroller running at up to 80 MHz with 512 KB of Flash program memory and 128 KB of RAM, housed in a 64-pin TQFP (PT) package. According to the verified distributor data, this device integrates a 10/100 Ethernet MAC, USB 2.0 full-speed host/device/OTG controller, and 64 KB of auxiliary RAM, while operating from a 2.3 V to 3.6 V supply. A 32-bit microcontroller (MCU) is a microprocessor core integrated with program memory (Flash), data memory (SRAM), and peripherals (UART, SPI, I2C, timers, ADC, communication controllers) on a single chip. The PIC32MX family is positioned in the hierarchy as follows: PIC32MX -> 32-bit MCU -> microcontroller -> embedded processor -> semiconductor. Microchip's PIC32MX6xx/7xx sub-family specifically targets connectivity applications by integrating Ethernet and USB on-chip, eliminating the need for external controllers and reducing BOM and board area. Key features of the PIC32MX675F512HT-80I/PT include an integrated 10/100 Mbit Ethernet MAC with RMII/MII PHY interface, USB 2.0 full-speed OTG, 16-channel 10-bit 1 Msps ADC, five 16-bit timers/counters, four UART, three SPI, two I2C, and 53 general-purpose I/O pins. The 80 MHz core delivers 1.56 DMIPS/MHz, supporting DSP extensions for signal-processing workloads. The PIC32MX6xx architecture uses a 5-stage pipeline Harvard core with hardware multiply/divide and DSP ASE, allowing deterministic interrupt response and efficient C-language execution. The wide peripheral set and dual connectivity (Ethernet + USB) make it well suited for IoT gateways and industrial control where multiple communication interfaces are required. Typical applications include industrial IoT gateways, USB-enabled embedded devices, Ethernet-attached sensor hubs, HMI touch panels, and consumer electronics with web configuration interfaces. The 512 KB Flash supports over-the-air (OTA) firmware updates with room for dual-image bootloaders. When designing with this MCU, allocate at least 64 KB of Flash for the MPLAB Harmony framework if Ethernet/USB stacks are enabled. Use the integrated PHY clock to free an oscillator pin and add an external 25 MHz crystal directly between OSC1/OSC2 with appropriate load capacitors for Ethernet operation.

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PIC32MX675F512HT-80V/MR - 80MHz 32-bit MCU 512KB Flash USB-Ethernet | Microchip
PIC32MX675F512HT-80V/MR

PIC32MX675F512HT-80V/MR - 80MHz 32-bit MCU 512KB Flash USB-Ethernet | Microchip

The Microchip Technology PIC32MX675F512HT-80V/MR is a 32-bit MIPS M4K PIC microcontroller running at 80 MHz, integrating 512 KB of Flash program memory and 64 KB of SRAM in a 64-pin VQFN (9x9 mm) package. It combines a high-performance 32-bit core with on-chip 10/100 Ethernet MAC, USB 2.0 OTG, CAN, and a 16-channel 10-bit ADC 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 (UART, SPI, I2C, ADC, timers, I/O). The PIC32 family extends this concept into the 32-bit MIPS M4K domain, delivering 1.56 DMIPS/MHz instruction throughput with deterministic interrupt latency. PIC32MX5/6/7 series parts are differentiated from smaller PIC32 variants by their integrated Ethernet MAC, making them a sub-category of connected/IoT-ready 32-bit microcontrollers within the broader microcontroller taxonomy. Key specifications include 80 MHz core clock with up to 80 MIPS performance, 512 KB Flash (512K x 8), 64 KB SRAM, 53 digital I/O pins, and a 2.5 V to 3.6 V single-supply voltage range with industrial-grade -40C to +105C operating range. The 64-VQFN (MR) package exposes an integrated Ethernet MAC, USB-OTG full-speed PHY interface, two I2C, two SPI, and six UART modules, plus a Parallel Master Port (PMP). The wide peripheral set lets designers drop this MCU into industrial, consumer, and IoT nodes without external connectivity silicon. Architecturally, the device uses the MIPS M4K core with a 5-stage pipeline, hardware multiply/divide, and tightly-coupled peripherals. DMA channels offload data movement for Ethernet, USB, and SPI traffic, freeing the CPU for application code. The 10-bit ADC runs up to 1 Msps with multiple internal references, while the on-chip Ethernet MAC implements MII/RMII PHY interfaces, accelerating TCP/IP stacks in MPLAB Harmony and TCP/IP Lite libraries. Typical applications include industrial Ethernet nodes (Modbus TCP, EtherNet/IP gateways), USB device/host peripherals (barcode scanners, HID), CAN-connected automotive accessories, IoT edge gateways, and graphical HMI controllers. The 'T' suffix denotes tape-and-reel packaging, '-80V' designates 80 MHz speed at -40C to +105C, and '/MR' identifies the 64-pin VQFN package. Designers should allocate a 10uF + 0.1uF decoupling pair near the VDDCORE/VDDIO pins and keep the analog AV+ traces short to maximize ADC accuracy. The Ethernet MAC requires a 25 MHz or 50 MHz reference clock fed to the PHY, so crystal selection and trace routing must respect MII timing budgets.

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