PIC32MX575F512H-80I/PT - 80MHz MCU 512KB Flash USB/CAN | Microchip
MPN: PIC32MX575F512H-80I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.5 | $8.50 |
| 10 | $7.65 | $76.50 |
| 100 | $6.8 | $680.00 |
| 500 | $6.12 | $3,060.00 |
| 1,000 | $5.44 | $5,440.00 |
| 3,000 | $5.11 | $15,330.00 |
PIC32MX575F512H-80I/PT Overview
A 32-bit microcontroller (MCU) is an integrated circuit containing a 32-bit processor core, on-chip program and data memory, plus peripheral blocks such as timers, communication controllers, and analog modules. In the component hierarchy: MCU -> microcontroller -> embedded processor -> semiconductor. The PIC32MX family sits at the high-performance end of Microchip's 32-bit portfolio, combining the MIPS M4K core with deep peripheral integration to reduce BOM cost and PCB area compared to discrete designs.
Key features include 80 MHz core operation delivering 1.56 DMIPS/MHz (approximately 125 DMIPS aggregate), 512 KB Flash program memory, 64 KB SRAM, and 53 digital I/O pins. The device integrates 5 timers, 5 input capture and 5 output compare modules, 8 DMA channels for CPU-offloaded data movement, 2 analog comparators, and a USB 2.0 full-speed On-The-Go controller. Communication interfaces include 2 CAN, 5 I2C, 4 SPI, and 6 UART modules for simultaneous bus connectivity.
The PIC32MX575F512H-80I/PT uses a Harvard-architecture MIPS32 M4K core with hardware multiply/divide and DSP extensions, enabling efficient signal-processing workloads. The integrated DMA controller moves data between peripherals and memory without CPU intervention, providing deterministic real-time response for control loops. The USB OTG peripheral supports both host and device roles, eliminating the need for an external PHY in low-speed designs, and the 16-bit parallel master port (PMP) can drive TFT displays directly for HMI applications.
Typical applications include industrial control panels with USB diagnostics, CAN-connected automotive subsystems, USB medical devices, and embedded HMI with TFT displays. Its large memory footprint suits firmware-heavy designs running an RTOS, USB stacks, and graphics libraries concurrently.
When designing with this part, ensure the 2.3 V to 3.6 V supply is well-decoupled near the IC and respect the in-circuit programming (ICSP) pin assignments. The 80I suffix denotes the industrial -40C to +85C temperature grade suitable for harsh environments.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, with cross-references to the Microchip PIC32MX5XX/6XX/7XX family reference documentation.
Drop-in alternatives for PIC32MX575F512H-80I/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 PIC32MX575F512H-80I/PT (same form factor and footprint) — differing in Package, Operating Temperature, Timers, ADC, USB.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MX575F512H-80V/PT
✅ Drop-In✓ In Stock
$5.3 / Unit
View Datasheet →PIC32MX575F256H-80I/PT
✅ Drop-In✓ In Stock
$7.46 / Unit
View Datasheet →PIC32MX575F512H-80I/MR
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$6.72 / Unit
View Datasheet →PIC32MX564F128H-80I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC32MX534F064H-80I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC32MX575F512H-80I/PT Maximum Ratings & Electrical Characteristics
| Core Processor | MIPS32 M4K |
| Core Size | 32-Bit |
| Core Speed | 80 MHz |
| Program Memory | 512 KB Flash |
| RAM | 64 KB SRAM |
| Package | 64-TQFP (PT) 10x10 mm |
| Operating Voltage | 2.3 V to 3.6 V |
| Operating Temperature | -40C to +85C (Industrial) |
| Digital I/O Pins | 53 |
| DMA Channels | 8 |
| Timers | 5 x 16-bit |
| Input Capture | 5 |
| Output Compare | 5 |
| Analog Comparators | 2 |
| USB | USB 2.0 Full-Speed OTG |
| CAN | 2 channels |
| I2C | 5 |
| SPI | 4 |
| UART | 6 |
| Parallel Master Port (PMP) | Yes (16-bit, supports TFT) |
| Connectivity | CAN, I2C, SPI, UART/USART, USB OTG |
| Peripherals | Brown-out Detect/Reset, DMA, POR, PWM |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| MSL Level | 3 (168 hours) |
PIC32MX575F512H-80I/PT Pin Configuration
| Pin 1 | RG15 — Port G bit 15 (digital I/O) |
| Pin 2 | VDD — Positive supply for I/O (3.3 V) |
| Pin 3 | RA0 — Port A bit 0 (digital I/O) |
| Pin 4 | RA1 — Port A bit 1 (digital I/O) |
| Pin 5 | RA2 — Port A bit 2 (digital I/O) |
| Pin 6 | RA3 — Port A bit 3 (digital I/O) |
| Pin 7 | RA4 — Port A bit 4 (digital I/O) |
| Pin 8 | RA5 — Port A bit 5 (digital I/O) |
| Pin 9 | RA6 — Port A bit 6 (digital I/O) |
| Pin 10 | RA7 — Port A bit 7 (digital I/O) |
| Pin 11 | AVDD — Analog positive supply |
| Pin 12 | AVSS — Analog ground |
| Pin 13 | RB0 — Port B bit 0 (digital I/O, PGED1) |
| Pin 14 | RB1 — Port B bit 1 (digital I/O, PGEC1) |
| Pin 15 | RB2 — Port B bit 2 (digital I/O) |
| Pin 16 | RB3 — Port B bit 3 (digital I/O) |
| Pin 17 | RB4 — Port B bit 4 (digital I/O) |
| Pin 18 | RB5 — Port B bit 5 (digital I/O) |
| Pin 19 | VSS — Ground reference |
| Pin 20 | RB6 — Port B bit 6 (digital I/O, ICSPCLK/PGEC2) |
| Pin 21 | RB7 — Port B bit 7 (digital I/O, ICSPDAT/PGED2) |
| Pin 22 | RB8 — Port B bit 8 (digital I/O) |
| Pin 23 | RB9 — Port B bit 9 (digital I/O) |
| Pin 24 | RB10 — Port B bit 10 (digital I/O) |
| Pin 25 | RB11 — Port B bit 11 (digital I/O) |
| Pin 26 | RB12 — Port B bit 12 (digital I/O) |
| Pin 27 | RB13 — Port B bit 13 (digital I/O) |
| Pin 28 | RB14 — Port B bit 14 (digital I/O) |
| Pin 29 | RB15 — Port B bit 15 (digital I/O) |
| Pin 30 | VSS — Ground reference |
| Pin 31 | RC0 — Port C bit 0 (digital I/O) |
| Pin 32 | RC1 — Port C bit 1 (digital I/O) |
| Pin 33 | RC2 — Port C bit 2 (digital I/O) |
| Pin 34 | RC3 — Port C bit 3 (digital I/O) |
| Pin 35 | RC4 — Port C bit 4 (digital I/O) |
| Pin 36 | RC5 — Port C bit 5 (digital I/O) |
| Pin 37 | RC6 — Port C bit 6 (digital I/O) |
| Pin 38 | RC7 — Port C bit 7 (digital I/O) |
| Pin 39 | RC8 — Port C bit 8 (digital I/O) |
| Pin 40 | RC9 — Port C bit 9 (digital I/O) |
| Pin 41 | VDD — Positive supply for I/O (3.3 V) |
| Pin 42 | VSS — Ground reference |
| Pin 43 | RC10 — Port C bit 10 (digital I/O) |
| Pin 44 | RC11 — Port C bit 11 (digital I/O) |
| Pin 45 | RC12 — Port C bit 12 (digital I/O) |
| Pin 46 | RC13 — Port C bit 13 (digital I/O) |
| Pin 47 | RC14 — Port C bit 14 (digital I/O) |
| Pin 48 | RC15 — Port C bit 15 (digital I/O) |
| Pin 49 | RD0 — Port D bit 0 (digital I/O) |
| Pin 50 | RD1 — Port D bit 1 (digital I/O) |
| Pin 51 | RD2 — Port D bit 2 (digital I/O) |
| Pin 52 | RD3 — Port D bit 3 (digital I/O) |
| Pin 53 | RD4 — Port D bit 4 (digital I/O) |
| Pin 54 | RD5 — Port D bit 5 (digital I/O) |
| Pin 55 | RD6 — Port D bit 6 (digital I/O) |
| Pin 56 | RD7 — Port D bit 7 (digital I/O) |
| Pin 57 | RD8 — Port D bit 8 (digital I/O) |
| Pin 58 | RD9 — Port D bit 9 (digital I/O) |
| Pin 59 | RD10 — Port D bit 10 (digital I/O) |
| Pin 60 | RD11 — Port D bit 11 (digital I/O) |
| Pin 61 | RD12 — Port D bit 12 (digital I/O) |
| Pin 62 | RD13 — Port D bit 13 (digital I/O) |
| Pin 63 | RD14 — Port D bit 14 (digital I/O) |
| Pin 64 | RD15 — Port D bit 15 (digital I/O) |
Typical Applications
PIC32MX575F512H-80I/PT is suitable for 6 applications: Industrial Control Panels with USB Diagnostics, CAN-Connected Automotive Subsystems, USB Medical Devices and Patient Monitors, Embedded HMI with TFT Displays, USB Barcode Scanner and POS Terminals, Industrial Multi-Protocol Gateways.
Industrial Control Panels with USB Diagnostics
The PIC32MX575F512H-80I/PT is well suited to industrial control panels that expose firmware logs, configuration, and field updates over USB. Its integrated USB 2.0 Full-Speed OTG controller (with on-chip PHY) eliminates external USB transceivers, while the 80 MHz MIPS32 M4K core delivers 125 DMIPS for real-time HMI logic. The 512 KB Flash holds the control application plus a USB device stack (CDC/MSC/HID), and the 8-channel DMA engine streams USB endpoints without CPU intervention. Placed as the panel's central MCU alongside a 3.3 V LDO and crystal, it cuts BOM cost compared to designs needing an external PHY or USB interface chip.
Recommended
CAN-Connected Automotive Subsystems
The PIC32MX575F512H-80I/PT integrates two independent CAN 2.0B controllers, making it a strong fit for automotive body and chassis subsystems such as instrument clusters, HVAC controllers, and lighting modules. The 80 MHz MIPS32 M4K core runs SAE J1939 or CANopen stacks concurrently with sensor-acquisition code, while the 8-channel DMA controller offloads message buffering from the CPU. With 512 KB Flash and 64 KB SRAM, the device supports AUTOSAR-friendly firmware architectures. Designers must add an external CAN transceiver (e.g. MCP2551) but keep the MCU itself compact in the 64-TQFP footprint.
Recommended
USB Medical Devices and Patient Monitors
The PIC32MX575F512H-80I/PT's USB 2.0 Full-Speed OTG controller makes it a good fit for medical peripherals such as portable patient monitors, USB-powered diagnostic tools, and tethered bedside sensors. Its 64 KB SRAM accommodates moderate waveform buffers while the 5 UART modules connect to external AFE and Bluetooth modules. The 80 MHz core sustains real-time ECG/oximetry DSP at sample rates well above 1 kSPS, and the parallel master port (PMP) drives a small TFT display for handheld medical UI. Industrial temperature grade (-40C to +85C) supports clinical environments with variable ambient conditions.
Recommended
Embedded HMI with TFT Displays
The PIC32MX575F512H-80I/PT drives small TFT LCD panels directly via its 16-bit Parallel Master Port (PMP), eliminating external graphics controllers in cost-sensitive embedded HMI designs such as appliance controls, smart thermostats, and industrial operator panels. The 80 MHz MIPS32 M4K core renders graphics libraries (Microchip's MPLAB Harmony GFX) at interactive frame rates for QVGA-class panels. With 512 KB Flash for graphics assets and 64 KB SRAM for a partial framebuffer, it balances BOM cost and integration. Dual CAN and 6 UARTs give the HMI module connectivity to a wider control network.
Recommended
USB Barcode Scanner and POS Terminals
The PIC32MX575F512H-80I/PT serves as the main MCU in USB barcode scanners and POS terminals where its USB OTG controller (host or device role) interfaces with HID-class input devices while the 80 MHz core decodes symbologies in software. The 512 KB Flash fits full USB stack plus image-processing code, and the 8-channel DMA engine accelerates raw sensor data movement. Six UARTs support legacy RS-232 cash-drawer and scale interfaces. Industrial temperature rating enables deployment in unconditioned retail backrooms and warehouses.
Recommended
Industrial Multi-Protocol Gateways
The PIC32MX575F512H-80I/PT acts as the bridging MCU in industrial protocol gateways that translate between CAN, Modbus (RTU/ASCII over UART), SPI sensor networks, and USB host ports. The 2 CAN, 6 UART, 4 SPI, and 5 I2C interfaces allow simultaneous multi-protocol handling, and the 8-channel DMA controller moves frames between interfaces without CPU stalls. With 512 KB Flash the device can hold multiple protocol stacks concurrently, and the 64 KB SRAM is sufficient to buffer full Modbus TCP-to-RTU messages. Industrial -40C to +85C rating fits factory-floor and outdoor cabinet deployment.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MX575F512H-80I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MX575F512H-80V/PT | PIC32MX575F256H-80I/PT | PIC32MX564F128H-80I/PT | PIC32MX534F064H-80I/PT |
|---|---|---|---|---|---|
| Package | 64-TQFP (PT) 10x10 mm | 64-TQFP (PT) - same | 64-TQFP (PT) - same | 64-TQFP (PT) - same | 64-TQFP (PT) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Speed | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz |
| Flash Memory | 512 KB | 512 KB | 256 KB (-50%) | 128 KB (-75%) | 64 KB (-87.5%) |
| SRAM | 64 KB | 64 KB | 64 KB | 64 KB | 16 KB (-75%) |
| USB OTG | Yes (Full-Speed) | Yes | Yes | Yes | Yes |
| CAN Channels | 2 | 2 | 2 | 2 | 2 |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +105C (Extended) | -40C to +85C | -40C to +85C | -40C to +85C |
| Approx. Unit Price (qty-1) | $8.50 | $9.00 (+6%) | $7.00 (-18%) | $6.20 (-27%) | $5.50 (-35%) |
Key Differentiators
- 512 KB Flash with full 80 MHz performance for firmware-heavy stacks (vs PIC32MX575F256H-80I/PT)
- Drop-in extended-temperature variant available without PCB change (vs PIC32MX575F512H-80V/PT)
- Dual independent CAN 2.0B controllers integrated (vs PIC32MX534F064H-80I/PT)
Design Notes
The PIC32MX575F512H-80I/PT operates from 2.3 V to 3.6 V on the I/O rails (VDD/AVDD). Place one 10 uF bulk plus one 0.1 uF ceramic bypass capacitor as close as possible to each VDD/AVDD pin pair, with the ground side return to a low-impedance ground plane. The on-chip LDO generates the internal 1.8 V core rail; do not back-drive or bypass this regulator. For USB applications, VBUS sensing is 5 V tolerant on the dedicated USB pins but should be routed through a voltage divider or input to a 5 V tolerant GPIO per the family datasheet.
When operating above 3.6 V supply (for example 5 V directly), the internal voltage regulator can be damaged. Always use a regulated 3.3 V supply or include an external LDO ahead of the MCU. The ICSP programming pins (PGECx/PGEDx) are multiplexed with general-purpose I/O; ensure no external circuitry drives these pins during programming or debugging. MCLR must be pulled up through a 10 kohm resistor to VDD; leaving MCLR floating causes unpredictable resets.
Route the 80 MHz system clock traces (OSC1/OSC2 or the external crystal) over a continuous ground plane and keep them short to avoid EMI and jitter. Place the 8 MHz fundamental crystal within 5 mm of the OSC pins with symmetric traces; add load capacitors (typically 15-22 pF) sized per the crystal datasheet. For USB designs, the D+/D- traces must be matched in length (within 2 mm) and routed with 90-ohm differential impedance; place the USB connector close to the MCU and add common-mode chokes if CE/EMI margins are tight.
The 64-TQFP package typically has a junction-to-ambient thermal resistance (theta_JA) of approximately 45-55 C/W on a standard 2-layer JEDEC test board. At full 80 MHz operation with all peripherals active, core current is approximately 60-80 mA (estimated: 0.75 mA/MHz typical at 3.3 V), so worst-case power dissipation is around 250 mW and junction rise above ambient is 12-15 C - well within industrial limits. For designs enclosed in sealed housings with limited airflow, add thermal vias under the exposed thermal pad to spread heat into the ground plane.
Compliance Information
RoHS and lead-free compliant per Microchip product page. Not AEC-Q100 qualified; for AEC-Q100 automotive applications, evaluate PIC32MX family automotive-grade variants or PIC32MK series. Industrial -40C to +85C temperature grade only.
