PIC32MX370F512L-I/TL
PIC32MX370F512L-I/TL - 80MHz 32-bit MCU, 512KB Flash, USB | Microchip
The Microchip PIC32MX370F512L-I/TL is a 32-bit MIPS32 M4K microcontroller operating at up to 80 MHz with 512 KB Flash and 128 KB SRAM, housed in a 124-pin VTLA (9x9 mm) package with an exposed pad. It integrates USB 2.0 full-speed, two I2S/SPI, two I2C, multiple UART, 28 channels of 10-bit ADC, two analog comparators, and a parallel master port for graphics.
A microcontroller (MCU) is a single-chip computer that combines a CPU core, program memory (Flash), data memory (SRAM), and a rich set of on-chip peripherals. The PIC32MX3/4 family sits in Microchip's MIPS-based 32-bit MCU portfolio, between 8-bit PIC16/PIC18 MCUs and higher-end Cortex-M parts, balancing cost with deterministic 32-bit performance for embedded applications requiring USB, graphics, or audio interfaces.
Key features of the PIC32MX370F512L-I/TL include a 120 MHz/150 DMIPS ceiling on the family (this -I/TL grade runs to 80 MHz), 512 KB Flash, 128 KB SRAM, 4 KB EEPROM emulation area, hardware Multiply/Divide and prefetch cache for deterministic 80 MHz throughput, USB 2.0 full-speed device/host/OTG, two SPI/I2S ports, two I2C ports, five UART modules, a 10-bit ADC with 28 input channels (500 ksps), and a parallel master port supporting 8-bit or 16-bit external bus for graphics or external memory.
The MIPS32 M4K core executes most instructions in one clock cycle, and on-chip dual-port SRAM allows simultaneous DMA and CPU access without contention. The 124-pin VTLA (VTLA = Very Thin Leadless Array) package with exposed thermal pad delivers a small 9x9 mm footprint suitable for space-constrained designs, while still exposing 84 GPIO and the parallel master port for external memory or LCD interfaces.
Typical applications for the PIC32MX370F512L-I/TL include USB peripherals (HID, CDC, MSD, audio class), graphics HMI displays, audio processing with I2S codecs, industrial control panels, point-of-sale terminals, sensor aggregators, and low-cost 32-bit upgrades for legacy PIC24 designs. The 80 MHz ceiling keeps power consumption reasonable for battery-powered USB peripherals.
When designing with this part, allocate enough decoupling (0.1 uF + 10 uF near each VDD/VBUS pin), reserve PGECx/PGEDx for ICSP, and check the family errata before locking the BOM. The VTLA package requires careful PCB layout - the exposed pad must be soldered to a sufficient copper area for thermal dissipation and electrical grounding.
This page synthesizes distributor pricing, drop-in same-package alternatives, and design notes that go beyond the manufacturer datasheet, enabling rapid engineering decisions.
USD $5,31
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