PIC32MX575F256LT-80V/PT - 80MHz 256KB Flash 32-bit MCU | Microchip
MPN: PIC32MX575F256LT-80V/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.85 | $7.85 |
| 10 | $7.2 | $72.00 |
| 100 | $6.45 | $645.00 |
| 500 | $5.7 | $2,850.00 |
| 1,000 | $5.05 | $5,050.00 |
PIC32MX575F256LT-80V/PT Overview
A microcontroller (MCU) is a single-chip computer containing a CPU core, program and data memory, and integrated peripherals including ADCs, timers, and communication controllers. The PIC32MX5XX/6XX/7XX family sits in the hierarchy as: microcontroller -> embedded computing -> semiconductor, and bridges 8-bit PIC16/PIC18 simplicity with 32-bit performance, targeting USB/CAN-enabled industrial, medical, and consumer devices.
Key features of the PIC32MX575F256LT-80V/PT include 83 general-purpose I/O lines, 16-channel 10-bit ADC at 1 Msps, multiple DMA channels for low-CPU-overhead data movement, hardware RTCC, 5 timer/counter modules, and peripheral pin select (PPS) for flexible signal routing. The "V" suffix denotes the V-temp grade of -40C to +105C operation, suitable for industrial environments; the "T" denotes tape-and-reel packaging; and the "/PT" denotes the 100-pin TQFP package.
Architecturally, the PIC32MX575 uses the MIPS32 M4K core with 5-stage pipeline, single-cycle multiply, and hardware divide. It supports 32-bit instructions and 32-bit data paths while remaining code-compatible with legacy 16-bit PIC instruction extensions. The M4K core combined with tightly-coupled DMA offloads data transfers from the CPU for deterministic latency.
Typical applications include USB peripherals (HID, CDC, mass storage), CAN-connected industrial nodes, motor control (BLDC, stepper, servo), graphical HMI with external LCD controllers, and sensor data acquisition. The integrated USB-OTG and CAN make it especially suitable for industrial automation, medical instrumentation, and automotive body/comfort subsystems.
When designing with this part, mind the 2.3V-3.6V supply range and ensure decoupling caps are placed per the datasheet. PPS requires careful pin mapping during firmware bring-up; verify PPS assignments in code review to avoid silent peripheral failures. This page consolidates distributor pricing, drop-in alternatives, and design notes not found in the manufacturer datasheet.
Drop-in alternatives for PIC32MX575F256LT-80V/PT — 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 PIC32MX575F256LT-80V/PT (same form factor and footprint) — differing in Package, ADC, DMA Channels, CAN, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MX575F256L-80V/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MX575F256LT-80I/PT
✅ Drop-In✓ In Stock
$4.35 / Unit
View Datasheet →PIC32MX575F256LT-80V/BG
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$6.84 / Unit
View Datasheet →PIC32MX575F256LT-80V/PF
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$5.65 / Unit
View Datasheet →PIC32MX575F256L-80I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC32MX575F256L-80I/PF
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC32MX575F256L-80I/BG
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$6.12 / Unit
View Datasheet →PIC32MX575F256L-80V/PF
✅ Drop-In✓ In Stock
$6.55 / Unit
View Datasheet →PIC32MX575F256LT-80V/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | MIPS32 M4K |
| Data Bus Width | 32-bit |
| Maximum CPU Speed | 80 MHz |
| Program Memory (Flash) | 256 KB |
| Data SRAM | 64 KB |
| Operating Voltage Range | 2.3 V to 3.6 V |
| Operating Temperature Range (V grade) | -40 C to +105 C |
| Package | 100-pin TQFP (12x12 mm) |
| Mounting Type | Surface Mount |
| General Purpose I/O | 83 |
| ADC | 10-bit, 16-channel, 1 Msps |
| Communication Interfaces | USB-OTG, CAN, UART, I2C, SPI |
| DMA Channels | Yes (multiple) |
| Timer/Counter Modules | 5 |
| Peripheral Pin Select (PPS) | Yes |
| RoHS Status | Compliant |
| Lead-Free | Yes |
PIC32MX575F256LT-80V/PT 100-pin tqfp (12x12 mm) Pin Configuration Guide
Pin configuration for PIC32MX575F256LT-80V/PT (100-pin tqfp (12x12 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 PIC32MX575F256LT-80V/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
PIC32MX575F256LT-80V/PT is suitable for 6 applications: USB Industrial Sensor Hub, CAN-Connected Motor Controller, Medical Point-of-Care Device, Automotive Body Control Module, Graphical HMI with External LCD, USB Data Acquisition Module.
USB Industrial Sensor Hub
The PIC32MX575F256LT-80V/PT's integrated USB-OTG full-speed controller and 83 GPIO make it ideal for industrial USB sensor hubs. The 256 KB Flash supports USB stack plus application code; the 80 MHz MIPS M4K core handles enumeration and data transfer with low CPU overhead. Placed as the bridge between upstream USB host and downstream I2C/SPI sensors, with the 10-bit ADC at 1 Msps handling analog sensor channels.
Recommended
CAN-Connected Motor Controller
The PIC32MX575F256LT-80V/PT combines an integrated CAN controller with 5 timer/counter modules and DMA, suiting BLDC and stepper motor control. The 80 MHz core drives FOC algorithms while CAN bus handles real-time command exchange; the 16-channel 10-bit ADC samples back-EMF and current sensing. V-temp grade (-40C to +105C) supports industrial motor enclosures.
Recommended
Medical Point-of-Care Device
The PIC32MX575F256LT-80V/PT fits medical point-of-care instruments requiring USB connectivity for data upload, plus deterministic ADC sampling for diagnostic sensors. The 256 KB Flash enables USB CDC/HID stacks alongside application logic; PPS allows flexible PCB routing on dense medical boards. The integrated DMA offloads ADC-to-memory transfers for accurate signal acquisition.
Recommended
Automotive Body Control Module
The PIC32MX575F256LT-80V/PT's CAN interface, V-temp grade, and 83 GPIO suit body control modules for lighting, mirrors, and comfort subsystems. The 64 KB SRAM handles CAN message buffering and PWM generation for LED drivers; the 5 timers generate PWM outputs for motors and dimming. V-temp (-40C to +105C) supports cabin and engine-bay-adjacent environments.
Recommended
Graphical HMI with External LCD
The PIC32MX575F256LT-80V/PT drives graphical HMIs through SPI or parallel interfaces to external LCD controllers, leveraging 80 MHz throughput for smooth UI rendering. The 256 KB Flash stores UI assets and fonts; PPS allows flexible mapping of display control signals. Multiple DMA channels manage background refresh without CPU intervention, supporting up to 320x240 QVGA panels.
Recommended
USB Data Acquisition Module
The PIC32MX575F256LT-80V/PT is well-suited for USB-connected data acquisition modules where the 16-channel 10-bit ADC at 1 Msps handles multi-channel analog input. The integrated USB-OTG streams acquisition data to a host PC; DMA channels transfer ADC samples to USB endpoints with minimal CPU load. V-temp grade supports industrial test and measurement environments.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MX575F256LT-80V/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MX575F256L-80V/PT | PIC32MX575F256LT-80I/PT | PIC32MX575F256LT-80V/BG | PIC32MX575F256L-80V/PF |
|---|---|---|---|---|---|
| Package | TQFP-100 (PT, 12x12 mm) | TQFP-100 (PT) - same | TQFP-100 (PT) - same | TQFP-100 (PT) - same | TQFP-100 (PT) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Architecture | MIPS32 M4K, 32-bit | MIPS32 M4K, 32-bit | MIPS32 M4K, 32-bit | MIPS32 M4K, 32-bit | MIPS32 M4K, 32-bit |
| Maximum CPU Speed | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz |
| Flash / SRAM | 256 KB / 64 KB | 256 KB / 64 KB | 256 KB / 64 KB | 256 KB / 64 KB | 256 KB / 64 KB |
| Temperature Grade | V (-40C to +105C) | V (-40C to +105C) | I (-40C to +85C) | V (-40C to +105C) | V (-40C to +105C) |
| Packaging Format | Tape & Reel | Tray | Tape & Reel | Tape & Reel | Tray |
| Integrated USB-OTG | Yes | Yes | Yes | Yes | Yes |
| Integrated CAN | Yes | Yes | Yes | Yes | Yes |
Key Differentiators
- V-temp grade operation up to +105C (vs PIC32MX575F256LT-80I/PT)
- Tape-and-reel packaging for SMT production (vs PIC32MX575F256L-80V/PT)
- Pin-compatible upgrade path to PIC32MX570 family (vs PIC32MX570F512LT-V/PT)
Design Notes
Decouple all VDD/AVDD pins with 100 nF ceramic caps placed as close to the pins as possible (per Microchip datasheet DS60001156K). Add a single 10 uF bulk tantalum or ceramic cap on each major supply rail. The PIC32MX575 has multiple VDD pins; missing any one can cause intermittent resets or ADC accuracy degradation. Place an LC or ferrite bead on analog AVDD to isolate from digital switching noise.
Peripheral Pin Select (PPS) mapping must be configured in firmware before using remappable digital peripherals. A peripheral assigned to an unmapped pin will appear silent - no error, no output. Always declare PPS mappings at startup and verify them in code review. Also note that analog functions bypass PPS and must be wired to dedicated analog pins.
The 100-pin TQFP has a 0.4 mm pitch requiring careful PCB layout. Use 4-layer stack-up with continuous ground plane under the MCU to provide reference for high-speed signals and thermal dissipation. USB D+/D- traces must be 90 ohm differential with matched length; route over an unbroken ground plane to maintain impedance.
The 80 MHz system clock generates harmonics up to 400+ MHz. Keep clock traces short and shielded with ground vias. If using external crystal, place the load caps within 3 mm of the OSC1/OSC2 pins and keep the crystal case grounded. Avoid routing high-speed signals (USB, SPI at >10 MHz) under the MCU or near the ADC inputs.
Compliance Information
RoHS and REACH compliance per Microchip product page; AEC-Q100 qualification status not stated in available data; halogen-free status unknown from verified data.
