PIC32MX570F512LT-50I/PT - 50MHz 512KB Flash MCU | Microchip
MPN: PIC32MX570F512LT-50I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $9.5 | $9.50 |
| 10 | $8.55 | $85.50 |
| 100 | $7.6 | $760.00 |
| 500 | $6.85 | $3,425.00 |
| 1,000 | $6.1 | $6,100.00 |
PIC32MX570F512LT-50I/PT Overview
A 32-bit microcontroller (MCU) is a single-chip computer that integrates a CPU core, Flash program memory, SRAM data memory, and a rich set of peripherals (ADC, timers, communication interfaces). The PIC32MX family uses the MIPS32 M4K core, positioning these parts in the hierarchy: MIPS32 core -> 32-bit MCU -> microcontroller -> embedded controller -> semiconductor. This taxonomy matters because software stacks, compiler toolchains (MPLAB XC32), and middleware are tied to the core architecture.
Key features include two I2S and four SPI modules for audio codec and serial communications, Peripheral Pin Select (PPS) for flexible I/O mapping, a Parallel Master Port (PMP) with dual buffers for graphics interfaces, and a CTMU (Charge Time Measurement Unit) for capacitive touch and time-of-flight measurements. USB 2.0 full-speed OTG and CAN 2.0b are integrated, eliminating external transceivers for many designs.
Architecturally, the PIC32MX570F512L family combines a Harvard-cache architecture with 5-stage pipeline, achieving 1.53 DMIPS/MHz efficiency. The device includes a 10-bit 1 Msps ADC with up to 28 channels, five 16-bit timers/counters, and DMA for low-CPU-overhead peripheral transfers. JTAG and 2-wire debug interfaces support MPLAB ICD tools for in-circuit programming and debugging.
Typical applications include industrial control and HMI panels using PMP graphics, USB peripherals such as audio interfaces and human-interface devices, CAN-connected automotive and building-automation nodes, audio processing with I2S codecs, and capacitive touch user interfaces using the CTMU. Designers choose this part when they need a balance of USB/CAN connectivity, ample Flash for GUI stacks, and proven MPLAB ecosystem support.
When designing, plan the I/O map carefully using PPS to remap peripheral functions to physical pins, and reserve an external 8 MHz crystal plus PLL configuration to reach 50 MHz. Use the Explorer 16/32 development board PIM for early prototyping - the 100-pin PIM form factor accelerates bring-up.
This page synthesizes distributor pricing (as of 2026-10-03), drop-in alternatives from the same PIC32MX family, and practical design notes not consolidated in the manufacturer datasheet alone.
Drop-in alternatives for PIC32MX570F512LT-50I/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 PIC32MX570F512LT-50I/PT (same form factor and footprint) — differing in ADC, Package, Maximum CPU Frequency, CAN, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MX570F512L-50I/PT
✅ Drop-In✓ In Stock
$5.3 / Unit
View Datasheet →PIC32MX570F512L-I/PT
✅ Drop-In✓ In Stock
$4.82 / Unit
View Datasheet →PIC32MX570F512LT-50I/PF
✅ Drop-In✓ In Stock
$4.61 / Unit
View Datasheet →PIC32MX564F128LT-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.78 / Unit
View Datasheet →PIC32MX470F512L-120/PT
✅ Drop-In✓ In Stock
$5.71 / Unit
View Datasheet →PIC32MX270F512L-50I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.65 / Unit
View Datasheet →PIC32MX570F512LT-50I/PT Maximum Ratings & Electrical Characteristics
| Core | MIPS32 M4K |
| Core Architecture | 32-bit RISC, 5-stage pipeline, Harvard cache |
| Maximum CPU Speed | 50 MHz |
| DMIPS Performance | 83 DMIPS |
| MIPS Performance | 1.53 DMIPS/MHz |
| Program Flash | 512 KB (512K x 8) |
| SRAM | 64 KB |
| Operating Voltage | 2.5 V / 3.3 V (2.3 V min - 3.6 V max) |
| Package | 100-pin TQFP (12x12 mm) |
| Operating Temperature | -40C to +85C (Industrial) |
| Speed Grade Suffix | -50 (50 MHz) |
| Temperature Grade Suffix | I (Industrial) |
| Packaging Suffix | T (Tape & Reel) |
| USB | USB 2.0 Full-Speed OTG |
| CAN | CAN 2.0b |
| SPI | 4 modules |
| I2S | 2 modules |
| Peripheral Pin Select (PPS) | Yes |
| Parallel Master Port (PMP) | Yes, with dual read/write buffers |
| CTMU | Yes (Charge Time Measurement Unit) |
| ADC | 10-bit, 1 Msps |
| Timers | 5 x 16-bit |
| DMA | Yes |
| Debug Interface | JTAG + 2-wire |
PIC32MX570F512LT-50I/PT 100-pin tqfp (12x12 mm) Pin Configuration Guide
Pin configuration for PIC32MX570F512LT-50I/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 PIC32MX570F512LT-50I/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
PIC32MX570F512LT-50I/PT is suitable for 6 applications: Industrial HMI and Graphics Display, USB Audio and HID Peripherals, CAN-Connected Industrial Nodes, Capacitive Touch User Interfaces, Medical Patient Monitoring Accessories, Automotive Aftermarket Telematics.
Industrial HMI and Graphics Display
The PIC32MX570F512LT-50I/PT's Parallel Master Port (PMP) with dual read/write buffers drives external graphics TFT controllers for industrial HMI panels. At 50 MHz, it has enough MIPS to render buttons, gauges, and trend graphs using Microchip's MLA or third-party emWin middleware, while the 512 KB Flash stores multilingual GUI assets and the 64 KB SRAM buffers screen refresh data.
Recommended
USB Audio and HID Peripherals
Integrated USB 2.0 full-speed OTG makes the PIC32MX570F512LT-50I/PT a natural fit for USB audio interfaces, MIDI controllers, and HID peripherals. With 50 MHz, the MCU handles 12 Mbit/s USB isochronous audio endpoints with 48 kHz / 24-bit streams while leaving headroom for DSP effects; the two I2S modules interface directly to common audio codecs.
Recommended
CAN-Connected Industrial Nodes
The PIC32MX570F512LT-50I/PT integrates CAN 2.0b alongside USB, eliminating external transceivers in many building-automation and sensor-hub designs. At 50 MHz it handles CANopen or DeviceNet stacks with cycle times down to 1 ms, while the CTMU provides time-of-flight or temperature measurement, and the 10-bit 1 Msps ADC handles analog sensor reads.
Recommended
Capacitive Touch User Interfaces
The integrated CTMU (Charge Time Measurement Unit) enables robust capacitive touch sensing for buttons, sliders, and proximity sensors on the PIC32MX570F512LT-50I/PT. Combined with the 10-bit ADC and mTouch middleware, designers can build water-tolerant touch panels with 10-20 channels, while USB allows direct connection to PCs for tuning.
Recommended
Medical Patient Monitoring Accessories
The PIC32MX570F512LT-50I/PT powers USB-connected medical accessory devices like pulse-oximeter dongles, ECG event recorders, and therapy-device programmers. USB OTG provides data tethering, while 50 MHz MIPS runs compression and encryption on patient data; 512 KB Flash stores firmware and small embedded web servers. Note: FDA-grade medical designs require full IEC 60601-1 system-level compliance - this MCU is a building block, not a certified medical part.
Recommended
Automotive Aftermarket Telematics
The PIC32MX570F512LT-50I/PT serves aftermarket OBD-II dongles and CAN-bus data loggers using its integrated CAN 2.0b and USB. The industrial -40C to +85C temperature range handles under-dash automotive environments, while 512 KB Flash logs firmware for multi-protocol decoding (CAN, ISO 9141, K-Line). For OEM-grade designs requiring AEC-Q100, choose PIC32MX5xx -Q1 variants (not pin-compatible to this MPN).
Recommended
Recommended Products Summary
Engineering reference data for PIC32MX570F512LT-50I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MX570F512L-50I/PT | PIC32MX570F512L-I/PT | PIC32MX470F512L-120/PT | PIC32MX564F128LT-I/PT |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-100 (12x12 mm) | TQFP-100 (12x12 mm) - same | TQFP-100 (12x12 mm) - same | TQFP-100 (12x12 mm) - same | TQFP-100 (12x12 mm) - same |
| Core Speed | 50 MHz / 83 DMIPS | 50 MHz / 83 DMIPS | 40 MHz / 66 DMIPS (-20%) | 120 MHz / 198 DMIPS (+140%) | 80 MHz / 132 DMIPS (+60%) |
| Flash | 512 KB | 512 KB | 512 KB | 512 KB | 128 KB (-75%) |
| SRAM | 64 KB | 64 KB | 64 KB | 64 KB | 32 KB (-50%) |
| USB | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG |
| CAN | CAN 2.0b | CAN 2.0b | CAN 2.0b | CAN 2.0b | CAN 2.0b |
| Temperature Range | -40C to +85C (Industrial) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Key Differentiators
- 50 MHz speed grade over the default 40 MHz (vs PIC32MX570F512L-I/PT)
- Tape-and-reel packaging for high-volume assembly (vs PIC32MX570F512L-50I/PT (tray))
- USB OTG plus CAN on-chip (vs PIC32MX270F512L-50I/PT)
- 512 KB Flash doubles the PIC32MX564 family (vs PIC32MX564F128LT-I/PT)
Design Notes
The PIC32MX570F512LT-50I/PT has separate VDD/VSS, AVDD/AVSS, and VUSB/VUSBSTBY pins. Decouple each pair with a 100 nF ceramic capacitor within 3 mm of the pin, and add a bulk 4.7 uF tantalum near VDD. If USB is used, VUSBSTBY requires a 0.47 uF or larger cap; omitting it causes USB enumeration failure at low temperatures.
Route the 50 MHz system clock trace short and guarded to avoid coupling into ADC analog inputs. Place the 8 MHz crystal (or 50 MHz clock source) on the same PCB side as the MCU with its load caps within 5 mm. Use a 4-layer PCB with a dedicated ground plane to keep digital switching noise away from AVDD analog measurements.
Estimated: At 50 MHz with 2.5 V VDD, core current consumption is approximately 30 mA active plus peripheral I/O. Total power dissipation in a typical industrial HMI use case is well under 200 mW. However, writing to Flash during USB suspend mode can wake the host unexpectedly - disable Flash writes during USB suspend or use the regulator-disable feature. PPS remapping must be unlocked via CFGCON before changes take effect; forgetting this is a common bring-up mistake.
Place decoupling caps on the bottom layer directly under their respective supply pins using vias-in-pad to minimize loop inductance. Keep the USB D+/D- traces as a 90-ohm differential pair of equal length; route them away from oscillator traces to avoid EMI. The ICSP/ICD pins (PGECx/PGEDx) should be brought out to a 0.1 inch header for debug access.
Compliance Information
RoHS and REACH compliance per Microchip product page. Industrial temperature grade (-40C to +85C); not AEC-Q100 qualified - choose PIC32MX5xx -Q1 automotive variants for AEC-Q100.
