PIC32MX370F512L-V/TL - 80MHz 32-bit MCU, 512KB Flash, USB | Microchip
MPN: PIC32MX370F512L-V/TL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $9.21 | $9.21 |
| 10 | $8.3 | $83.00 |
| 100 | $7.42 | $742.00 |
| 500 | $6.71 | $3,355.00 |
| 1,000 | $6.05 | $6,050.00 |
| 2,500 | $5.58 | $13,950.00 |
PIC32MX370F512L-V/TL Overview
What is a 32-bit MCU? A 32-bit microcontroller is an embedded processor that fetches, decodes, and executes 32-bit-wide instructions and operates on 32-bit-wide data words, enabling higher computational throughput, larger linear address space, and richer software ecosystems (RTOS, TCP/IP stacks, GUIs) than 8-bit or 16-bit alternatives. The PIC32MX3/4 family sits in the upper-tier of the PIC32MX sub-family, targeting cost-sensitive applications that still require DSP-class arithmetic, USB connectivity, and graphical HMI peripherals.
Key features of the PIC32MX370F512L-V/TL include a MIPS16e code-compressed mode that reduces code size by up to 40 percent, single-cycle hardware multiply-accumulate (MAC) for 32x16 operations, a 16-channel DMA controller, and Fail-Safe Clock Monitor (FSCM) plus multiple interrupt vectors with individually programmable priority. The device integrates a charge time measurement unit (CTMU) for touch sensing, an RTCC, and five 16-bit timers plus five input capture / five output compare modules.
The architecture pairs the M4K core with a dedicated peripheral bus, allowing DMA-driven data movement between peripherals and RAM without CPU intervention, and a configurable prefetch module that masks Flash wait-states. This combination delivers 1.53 DMIPS/MHz and 3.34 CoreMark/MHz, supporting real-time control loops and protocol stacks concurrently. The 124-pin VTLA package exposes the full peripheral set including the USB OTG transceiver interface, Ethernet RMII, and the PMP bus for external memory or graphics controllers.
Typical applications include USB peripherals (HID, CDC, MSD, audio class), industrial control panels with TFT-LCD HMI, sensor hubs, building automation controllers, low-cost audio playback and effects units, and embedded web servers. The wide operating temperature range from -40 C to +105 C (V suffix) supports industrial and harsh-environment deployments. The CTMU and PMP enable cost-effective touch-panel and display integration without external controllers.
When designing with the PIC32MX370F512L-V/TL, ensure that the VTLA EP package thermal pad is properly soldered to the PCB ground plane to meet the datasheet-specified thermal resistance. Decoupling must include at least one 10 uF bulk capacitor plus 100 nF per power pin pair, placed as close as possible to the IC. The 2.3 V minimum supply voltage supports single-cell Li-ion or 3.3 V regulated rails, but the USB transceiver requires a regulated 3.3 V source for compliance.
This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the standalone manufacturer datasheet. Information is organized for both procurement teams evaluating lifecycle and supply risk and embedded engineers evaluating peripheral set fit.
Drop-in alternatives for PIC32MX370F512L-V/TL — 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 PIC32MX370F512L-V/TL (same form factor and footprint) — differing in Package, ADC, USB, Core Architecture, Parallel Master Port (PMP).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MX370F512LT-V/TL
✅ Drop-In✓ In Stock
$4.32 / Unit
View Datasheet →PIC32MX370F512L-I/TL
✅ Drop-In✓ In Stock
$5.31 / Unit
View Datasheet →PIC32MX370F512LT-I/PT
✅ Drop-In✓ In Stock
$5.75 / Unit
View Datasheet →PIC32MX370F512LT-V/PF
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MX370F512L-V/PF
✅ Drop-In✓ In Stock
$5.85 / Unit
View Datasheet →PIC32MX370F512L-V/TL Maximum Ratings & Electrical Characteristics
| Core Architecture | MIPS32 M4K 32-bit RISC |
| Maximum CPU Clock Frequency | 80 MHz |
| Performance | 1.53 DMIPS/MHz (MIPS32 core) |
| Program Flash Memory | 512 KB (512K x 8) |
| SRAM | 128 KB |
| Operating Voltage Range | 2.3 V to 3.6 V |
| Operating Temperature Range | -40 C to +105 C (V grade) |
| ADC | 10-bit, up to 28 channels, 1 Msps |
| Analog Comparators | 2 |
| UART Modules | 5 (with IrDA and LIN support on selected pins) |
| SPI / I2S Modules | 2 (SPI or I2S configurable) |
| I2C Modules | 2 |
| USB | USB 2.0 Full-Speed On-The-Go (OTG) |
| Parallel Master Port (PMP) | Yes |
| DMA Channels | 16 (with automatic data transfer between peripherals and RAM) |
| 16-bit Timers / Input Capture / Output Compare | 5 / 5 / 5 |
| RTCC (Real-Time Clock/Calendar) | Yes |
| CTMU (Charge Time Measurement Unit) | Yes (touch sensing and time measurement) |
| Package | 124-pin VTLA EP, 9x9 mm |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Lead-Free | Yes |
| MSL Level | 3 (per JEDEC J-STD-020) |
PIC32MX370F512L-V/TL 124-pin vtla ep, 9x9 mm Pin Configuration Guide
Pin configuration for PIC32MX370F512L-V/TL (124-pin vtla ep, 9x9 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 PIC32MX370F512L-V/TL.
Refer to the datasheet for full pin configuration.
Typical Applications
PIC32MX370F512L-V/TL is suitable for 7 applications: USB Peripherals (HID / CDC / MSD / Audio), Industrial Control Panel with TFT-LCD HMI, Audio Playback and Effects Unit, Building Automation Controller, Sensor Hub / IoT Edge Node, Embedded Web Server / Gateway, Automotive Body / Infotainment Submodule.
USB Peripherals (HID / CDC / MSD / Audio)
The PIC32MX370F512L-V/TL is well-suited for USB peripherals because it integrates a USB 2.0 Full-Speed On-The-Go transceiver and SIE directly on-chip, eliminating external PHY cost. The 80 MHz MIPS32 M4K core combined with 128 KB SRAM runs the MPLAB Harmony USB stack with headroom for HID, CDC, MSD, or Audio class device firmware. The 2.3-3.6 V supply range accepts a regulated 3.3 V rail, and the CTMU provides microsecond-level USB SOF timestamping needed for USB Audio class synchronization.
Recommended
Industrial Control Panel with TFT-LCD HMI
For industrial HMI designs, the PIC32MX370F512L-V/TL provides the Parallel Master Port (PMP) to drive TFT-LCD displays up to QVGA without an external graphics controller, plus 28 ADC channels at 1 Msps to read multi-channel sensor arrays concurrently. The 16-channel DMA offloads display refresh from the core, and the -40 to +105 C operating range handles factory-floor temperatures. The 5 UART simplify connection to RS-485 sensor nodes or Modbus RTU slaves.
Recommended
Audio Playback and Effects Unit
The PIC32MX370F512L-V/TL integrates two SPI/I2S ports so designers can pair a stereo audio DAC with the I2S master clock and simultaneously read sample data from external SPI Flash. The 80 MHz core and single-cycle 32x16 MAC instructions run real-time audio DSP algorithms such as biquad filters, dynamic range compression, and simple reverberation at 48 kHz sample rate. The 512 KB Flash holds wavetable-based synthesis libraries, while 128 KB SRAM buffers uncompressed audio frames.
Recommended
Building Automation Controller
Building automation benefits from the PIC32MX370F512L-V/TL's 5 UART (with IrDA and LIN support on selected pins), 2 I2C (for sensors and EEPROM), and USB OTG (for commissioning via PC). The CTMU supports capacitive touch keys for panel interfaces, and the RTCC provides calendar scheduling with backup-battery operation. The 512 KB Flash is large enough to embed BACnet or KNX application layer code without external program memory.
Recommended
Sensor Hub / IoT Edge Node
For IoT edge nodes, the PIC32MX370F512L-V/TL aggregates data from up to 28 ADC channels and multiple digital interfaces through its 16-channel DMA engine, freeing the CPU for protocol processing. The USB OTG port doubles as a programming and debug interface plus a wired data uplink. The 2.3-3.6 V supply accepts single-cell Li-ion with a buck regulator, and the multiple low-power modes (Sleep, Idle, Deep Sleep with RTCC) reduce quiescent current for battery-operated installations.
Recommended
Embedded Web Server / Gateway
The PIC32MX370F512L-V/TL runs a lightweight TCP/IP stack such as lwIP on its 80 MHz core, with 128 KB RAM hosting multiple sockets and HTTP buffers. The USB OTG port provides a tethered Ethernet-over-USB fallback, while the UARTs and SPI ports connect to radios (Wi-Fi, LoRa, Sub-GHz). The 512 KB Flash accommodates the TCP/IP stack plus an embedded web UI. The Fail-Safe Clock Monitor detects crystal failure and switches to the internal FRC oscillator, avoiding network downtime.
Recommended
Automotive Body / Infotainment Submodule
The PIC32MX370F512L-V/TL's LINbus-capable UART, ample Flash, and USB OTG enable body-electronics modules such as head-unit control boards, HVAC human-machine interfaces, and diagnostic bridges. The -40 to +105 C temperature range (V grade) survives under-dash thermal stress, and 28 ADC channels read resistive sensor arrays. The CTMU drives capacitive touch panels for climate and audio controls. Note: this part is not AEC-Q100 qualified; for AEC-Q100 needs consider PIC32MX-series AEC-Q100 grades.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MX370F512L-V/TL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MX370F512LT-V/TL | PIC32MX370F512L-I/TL | PIC32MX370F512LT-I/PT | PIC32MX370F512LT-V/PF | PIC32MX370F512L-V/PF |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 124-VTLA EP (9x9 mm) | 124-VTLA EP (9x9 mm) - same | 124-VTLA EP (9x9 mm) - same | 124-VTLA EP (9x9 mm) - same | Same die, alternate package suffix - same VTLA EP | Same die, tray packing - same VTLA EP |
| Maximum CPU Clock Frequency | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz |
| Program Flash Memory | 512 KB | 512 KB | 512 KB | 512 KB | 512 KB | 512 KB |
| SRAM | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB |
| Operating Temperature Range | -40 C to +105 C (V grade) | -40 C to +105 C (V grade) | -40 C to +85 C (I grade) | -40 C to +85 C (I grade) | -40 C to +105 C (V grade) | -40 C to +105 C (V grade) |
| Packaging Media | Tray | Tape & Reel (1000-unit) | Tray | Tape & Reel | Tape & Reel | Tray |
| USB OTG | Yes | Yes | Yes | Yes | Yes | Yes |
| Unit Price (qty 1, USD, as of 2026-10-03) | 9.21 | 9.10 (approx) | 8.85 (approx) | 8.90 (approx) | 9.15 (approx) | 9.20 (approx) |
Key Differentiators
- Full PIC32MX370 peripheral set in the 124-pin VTLA EP package (vs PIC32MX150/170/270 series (64-pin QFP variants))
- Operating temperature to +105 C (V grade) (vs PIC32MX370F512L-I/TL (I grade, +85 C max))
- 512 KB Flash + 128 KB SRAM in single die (vs PIC32MX250/270 series (256 KB Flash, 64 KB SRAM maximum))
- MIPS16e code compression for ~40 percent smaller code (vs Cortex-M0+ based MCUs (ARM))
Design Notes
Place at minimum one 10 uF bulk tantalum or ceramic capacitor plus a 100 nF ceramic decoupling capacitor at every VDD/AVDD pair. Route the analog and digital power pins through ferrite beads if the analog sampling noise floor must remain below 1 LSB on the 10-bit ADC. Estimated: with 80 MHz core active, full peripheral utilization, the typical current draw is in the 60 to 80 mA range from the datasheet DC characteristics table - size the 3.3 V regulator accordingly with at least 30 percent margin.
The 124-pin VTLA EP package exposes the die paddle as an electrical ground that doubles as the primary thermal path. Solder the exposed pad to a continuous PCB ground plane with at least sixteen thermal vias (0.3 mm hole, 0.5 mm pitch) to a second-layer ground pour. Without proper exposed-pad soldering the junction-to-ambient thermal resistance can rise well above the datasheet specification, causing thermal shutdown during sustained 80 MHz operation at high ambient temperature.
Route the 80 MHz system clock trace as a short, impedance-controlled length (<= 8 mm) and keep it at least 3 mm away from analog signals (ADC inputs, comparator inputs, VREF+) to minimize crosstalk. Use a ground guard ring around the 32.768 kHz crystal pads and the primary oscillator pads to reduce EMI susceptibility. Per the Microchip PIC32MX3XX/4XX hardware design checklist, place series termination resistors on USB DP/DM if the trace length exceeds 50 mm.
Do not skip configuration of the prefetch cache module when running the core above 60 MHz. Without the prefetch module enabled, Flash wait states can cause instruction fetch stalls that reduce effective throughput by 20 to 40 percent at 80 MHz. Also, ensure that the JTAG/ICSP programming pins (PGECx/PGEDx) are not inadvertently driven by external circuitry at reset, or in-system programming will fail. Refer to the device errata sheet for the revision-A1 silicon you are using.
When using the Parallel Master Port (PMP) to drive an external TFT-LCD, group the PMP data and control signals together on a single PCB layer to maintain matched trace lengths (<= 50 mil mismatch across 8-bit bus). Place a 10 ohm series damping resistor on each PMP control output if the bus exceeds 75 mm to dampen ringing. Keep the PMP traces away from the switching power supply section by at least 5 mm or a ground moat to prevent display artifacts.
Compliance Information
RoHS and lead-free per Microchip product page. AEC-Q100 qualification status: not qualified - for AEC-Q100 applications choose a PIC32MX-series AEC-Q100 grade or contact Microchip. Halogen-free status not explicitly stated in verified data.
