PIC32MX775F512L-80V/PF - 32-bit 80MHz MCU 512KB Flash 100-TQFP
MPN: PIC32MX775F512L-80V/PF ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $13.5 | $13.50 |
| 10 | $12.1 | $121.00 |
| 100 | $10.85 | $1,085.00 |
| 500 | $9.7 | $4,850.00 |
| 1,000 | $8.95 | $8,950.00 |
PIC32MX775F512L-80V/PF Overview
A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (Flash), data memory (SRAM), and on-chip peripherals. The PIC32MX5/6/7 family belongs to the 32-bit MCU category within Microchip's portfolio, sitting above 16-bit PIC24/dsPIC devices and below MIPS-based higher-end MPU/MPU lines. Its position in the taxonomy is: 32-bit MCU -> embedded microcontroller -> microcontroller IC -> semiconductor. Compared with 8-bit and 16-bit MCUs, 32-bit MCUs enable larger code size, higher throughput, RTOS support, and richer connectivity stacks.
Key features of the PIC32MX775F512L include 512 KB of Flash program memory, 64 KB SRAM (typical PIC32MX775 spec - confirm with datasheet), 8 DMA channels, hardware crypto engine, and integrated 10/100 Mbps Ethernet MAC plus USB 2.0 Full-Speed OTG. The 100-pin TQFP package provides 51 user I/O and 5 dedicated timers/capture inputs. Industrial-grade operating temperature range supports harsh environments, and full MIPS32 instruction compatibility eases firmware portability.
Typical applications include industrial Ethernet gateways, CAN-based automotive body controllers, USB peripherals, embedded web servers with MPLAB Harmony TCP/IP stack, and multi-protocol industrial sensor hubs. The combination of CAN + Ethernet + USB on a single die removes external PHY/transceiver complexity for connected-device designs.
When designing with this MCU, ensure the 2.3-3.6V supply is regulated within tolerance, allocate 4-10 LED I/O for the USB D+/D- differential pair routing, and follow Microchip's hardware design checklist for the 100-pin TQFP land pattern. JTAG/ICSP programming access must be brought out for production programming.
This page synthesizes distributor pricing, same-brand drop-in alternatives from the PIC32MX5/6/7 family, and practical design notes that go beyond the manufacturer datasheet summary to support both prototyping and volume sourcing decisions.
Drop-in alternatives for PIC32MX775F512L-80V/PF — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC32MX775F512L-80V/PF (same form factor and footprint) — differing in DMA Channels, Package, Timers, CAN, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MX775F512L-80I/PF
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MX775F512L-80V/BG
✅ Drop-In✓ In Stock
$6.8 / Unit
View Datasheet →PIC32MX775F256L-80V/PF
✅ Drop-In✓ In Stock
$5.55 / Unit
View Datasheet →PIC32MX795F512L-80I/PF
✅ Drop-In✓ In Stock
$9.95 / Unit
View Datasheet →PIC32MX675F512L-80V/PF
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MX575F512L-80V/PF
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MX775F512L-80V/PF Maximum Ratings & Electrical Characteristics
| Core | MIPS32 M4K (PIC32MX) |
| CPU Architecture | 32-bit RISC |
| Maximum CPU Speed | 80 MHz |
| Program Memory (Flash) | 512 KB (512K x 8) |
| Supply Voltage | 2.3 V to 3.6 V |
| I/O Pins | 51 |
| Package | 100-TQFP (14x14 mm) |
| Operating Temperature | -40C to +105C (V grade) |
| Mounting Type | Surface Mount |
| Connectivity | USB OTG, 2x CAN, 10/100 Ethernet MAC, UART, SPI, I2C |
| DMA Channels | 8 |
| Timers | 5 (16-bit) |
| A/D Converters | 16-channel 10-bit |
| Lead-Free / RoHS | Yes (Lead Free, Plastic TQFP) |
| Pin Pitch | 0.5 mm |
PIC32MX775F512L-80V/PF 100-tqfp (14x14 mm) Pin Configuration Guide
Pin configuration for PIC32MX775F512L-80V/PF (100-tqfp (14x14 mm) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for PIC32MX775F512L-80V/PF.
Refer to the datasheet for full pin configuration.
Typical Applications
PIC32MX775F512L-80V/PF is suitable for 6 applications: Industrial Ethernet Gateway, Automotive Body Control Module, USB-OTG Connected Embedded Device, Embedded Web Server / IoT Edge Node, Multi-Protocol Industrial Sensor Hub, Medical Data Acquisition Device.
Industrial Ethernet Gateway
The PIC32MX775F512L-80V/PF fits industrial Ethernet gateway designs by combining its 10/100 Ethernet MAC, dual CAN 2.0B controllers, and USB OTG with 80 MHz MIPS32 throughput. The integrated MAC avoids external PHY-controller ICs in many designs (still requires an external Ethernet PHY such as the Microchip KSZ8041), while the 512 KB Flash accommodates the MPLAB Harmony TCP/IP stack alongside Modbus TCP, EtherNet/IP, or PROFINET application code. Dual CAN supports bridging to legacy industrial fieldbuses, and the V-grade temperature range of -40C to +105C withstands cabinet environments. Hardware crypto accelerators (in the related 795 variant) provide optional secure-boot support. Place a 25 MHz crystal within 1 cm of the OSCI/OSCO pins and follow Microchip's EMC layout guidelines.
Recommended
Automotive Body Control Module
The PIC32MX775F512L-80V/PF suits body control module (BCM) applications where dual CAN 2.0B ports are needed for chassis/body networking. Its 51 digital I/O handle multiple load drivers, lighting controls, and switch inputs, while the 16-channel 10-bit ADC supports battery voltage and analog sensor monitoring. The 80 MHz core provides ample headroom for CAN stack and diagnostic firmware. The -40C to +105C V-grade range covers under-hood and cabin thermal stress. For AEC-Q100 qualified variants in similar packaging, designers should evaluate PIC32MX1xx/2xx automotive parts with the same 100-pin TQFP family options. Hardware CRC and DMA assist in deterministic message handling.
Recommended
USB-OTG Connected Embedded Device
The PIC32MX775F512L-80V/PF integrates a USB 2.0 Full-Speed OTG controller with on-chip transceiver, removing the need for an external USB PHY. This makes it ideal for USB-OTG peripherals such as data loggers, configuration tools, industrial handhelds, and USB memory sticks. The 80 MHz MIPS32 M4K core runs the USB device/host stack concurrently with application firmware, while 512 KB Flash accommodates the full Microchip USB stack plus mass-storage or HID class drivers. DMA channels support efficient USB endpoint buffer transfers. Match the 15 K pull-down on D+ for full-speed device detection and route the D+/D- pair as 90-ohm differential on the PCB.
Recommended
Embedded Web Server / IoT Edge Node
The PIC32MX775F512L-80V/PF serves as an embedded web server or IoT edge node running the MPLAB Harmony TCP/IP stack with HTTP/MQTT/SNMP support. With 512 KB Flash and 64 KB SRAM (per family datasheet), it can host a small web UI plus REST endpoints while maintaining connectivity via Ethernet. The 80 MHz core executes SSL/TLS handshakes in software within acceptable latency for low-throughput IoT traffic. For battery-powered IoT variants, consider PIC32MX1xx/2xx families, but the 775 retains clear advantages for always-on Ethernet edge nodes. Optional hardware crypto (795 variant) accelerates TLS.
Recommended
Multi-Protocol Industrial Sensor Hub
The PIC32MX775F512L-80V/PF is well-suited to multi-protocol sensor hubs aggregating analog/digital sensor data over CAN, Ethernet, and USB. The 16-channel 10-bit ADC plus 51 digital I/O can interface directly to many sensor types. The 8 DMA channels enable background ADC scanning without CPU intervention, freeing the 80 MHz core for protocol processing. Industrial V-grade temperature range and proven PIC32 ecosystem make it a strong choice for factory-floor instrumentation. The 5 16-bit timers support precise sampling and PWM generation for sensor excitation.
Recommended
Medical Data Acquisition Device
The PIC32MX775F512L-80V/PF fits non-life-support medical data acquisition devices such as patient monitors (peripheral sign-in/out), diagnostic interfaces, and clinical data loggers. The 80 MHz MIPS32 core supports DSP-like signal processing via software filters on the 16-channel ADC, while Ethernet enables HL7/FHIR data export. The 512 KB Flash stores bootloader plus application, and USB OTG enables local clinician interaction. For IEC 60601-1 compliant designs, add appropriate isolation and EMI filtering; the MCU is a peripheral component. Hardware CRC assists data integrity for medical records. Note: This part is not AEC-Q100 qualified, so automotive-medical combinations require review.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MX775F512L-80V/PF — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MX775F512L-160 | PIC32MX775F256L-80V/PF | PIC32MX795F512L-160I/PF | PIC32MX675F512L-80V/PF |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 100-TQFP (PF) | 100-TQFP (PF) - same | 100-TQFP (PF) - same | 100-TQFP (PF) - same | 100-TQFP (PF) - same |
| CPU Clock | 80 MHz | 80 MHz (suffix variant) | 80 MHz | 80 MHz | 80 MHz |
| Flash | 512 KB | 512 KB | 256 KB (-50%) | 512 KB | 512 KB |
| Ethernet MAC | Yes (10/100) | Yes | Yes | Yes | Yes |
| CAN Modules | 2 | 2 | 2 | 2 | 2 |
| USB OTG | Yes (Full-Speed) | Yes | Yes | Yes | No (675 has no USB OTG) |
| Crypto Engine | No (use 795 for crypto) | No | No | Yes (HW Crypto + RNG) | No |
| Operating Temperature | -40C to +105C (V grade) | -40C to +105C | -40C to +105C | -40C to +85C (I grade) | -40C to +105C |
Key Differentiators
- Triple-protocol connectivity integration (vs PIC32MX675F512L-80V/PF)
- 512 KB Flash at full 80 MHz in same package (vs PIC32MX775F256L-80V/PF)
- Industrial V-grade temperature support (vs PIC32MX795F512L-80I/PF)
- Hardware crypto via simple migration path (vs PIC32MX795F512L-80I/PF)
Design Notes
The PIC32MX775F512L-80V/PF operates from 2.3V to 3.6V with internal core voltage regulation. Use a 3.3V LDO such as MCP1700 with at least 10uF bulk + 100nF decoupling at each VDD pin. Place the 100nF caps within 2 mm of each VDD pin, and add a ferrite bead + 10uF cap at the regulator output. The MCU consumes approximately 100 mA active at 80 MHz with all peripherals on - size the supply accordingly.
Route the USB D+/D- pair as 90-ohm differential with continuous ground reference on the layer immediately below. Place the 27 ohm series termination resistors within 4 mm of the MCU pins. For the 100-pin TQFP, follow Microchip's land pattern recommendation: 0.5 mm pitch pads with 0.3 mm pad width. Expose all PGECx/PGEDx and MCLR pins to test points for production programming access. The Ethernet RMII pins must be routed length-matched within 50 mils.
Do not exceed the 3.6V absolute maximum on any I/O - 5V signals require level translation. Ensure the 25 MHz primary oscillator or 8 MHz crystal has correct load capacitors per the datasheet's crystal selection table. The MCLR pin must have a 10 kohm pull-up to VDD and a 100 nF cap to ground for proper reset behavior. Forgetting to configure JTAG/ICSP pins as analog (not digital I/O) prevents debugging.
When using Ethernet with the integrated MAC, route the RMII signals with controlled impedance and short stubs. The 50 MHz RMVI reference clock should be sourced from a dedicated clock buffer or the MCU's REFCLKO pin. For CAN bus lengths above 10 m, add 120 ohm termination at each bus end. The USB bus requires a common-mode choke for EMI compliance.
The 100-pin TQFP package has a thermal resistance of approximately 50 C/W junction-to-ambient (theta_JA), and the -V grade supports up to +105C ambient. For designs operating near the thermal limit, provide a copper pour under the exposed thermal considerations and consider airflow. The MCU itself draws under 200 mW typical, so thermal is rarely the limiting constraint in normal industrial use.
Compliance Information
Lead-free 100-TQFP package per digchips.com listing. Microchip publishes a dedicated Conflict-Free DRC statement. This part is not AEC-Q100 qualified; for AEC-Q100 automotive PIC32 options, evaluate PIC32MX1xx/2xx automotive variants.
