PIC32MX370F512LT-V/TL - 32-bit 80MHz 512KB Flash MCU | Microchip
MPN: PIC32MX370F512LT-V/TL ✓ Hoạt độngPIC32MX370F512LT-V/TL Tóm tắt
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), working memory (SRAM), and a rich set of on-chip peripherals such as timers, ADCs, and communication interfaces. Within the broader taxonomy, an MCU sits inside the integrated-circuit family -> digital IC -> microprocessor/microcontroller hierarchy. The PIC32MX family specifically delivers MIPS-class 32-bit performance at low cost, balancing compute throughput with the peripheral integration that embedded designs require.
Key features of this variant include 1.56 DMIPS/MHz core performance (150 DMIPS at 96 MHz), 10-bit ADC at up to 1 Msps, two analog comparators, DMA for low-CPU-overhead data movement, and an operating voltage range of 2.3 V to 3.6 V. The industrial temperature grade (-40C to +105C) is signified by the "V" in the part number suffix, with "T" indicating tape-and-reel packaging.
Architecturally, the MIPS32 M4K core provides a five-stage pipeline, hardware multiply/divide, and a unified 32 KB instruction cache with a separate 4 KB prefetch cache. This combination yields deterministic interrupt latency and predictable real-time response, which is critical for motor control, USB device, and graphical user-interface applications.
Typical applications include industrial automation controllers, USB peripherals and HID devices, graphical displays with integrated touch sensing, low-cost motor control, and connectivity gateways that bridge SPI/I2C sensors to UART or LIN networks. The 28 ADC channels support multi-sensor data acquisition without external multiplexer ICs.
When designing with this MCU, ensure the VTLA-124 PCB land pattern follows Microchip's mechanical drawing for the 9x9 mm body. Decoupling: place one 100 nF ceramic capacitor per VDD/VDDCORE pair as close as possible to the pins. The 'L' in 'F512L' indicates 128 KB of SRAM; the 'T' suffix denotes tape and reel. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
Bộ thay thế dễ dàng lắp đặt cho PIC32MX370F512LT-V/TL — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với PIC32MX370F512LT-V/TL (cùng hình factor và footprint) — khác nhau ở ADC, Package, Core Architecture, USB, Program Memory (Flash).
PIC32MX370F512L-I/TL
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Xem tài liệu →PIC32MX370F512LT-V/TL Tỷ lệ tối đa & tính chất điện
| Core Architecture | MIPS32 M4K |
| Core Bit Width | 32-bit |
| Tần số xung maksimum | 80 MHz |
| Program Memory (Flash) | 512 KB (512K x 8) |
| SRAM | 128 KB |
| Operating Voltage Range | 2.3 V to 3.6 V |
| I/O Pins | Up to 85 |
| ADC | 10-bit, up to 1 Msps, 28 channels |
| Analog Comparators | 2 |
| I2C Interfaces | 2 |
| SPI / I2S Interfaces | 2 |
| UART / USART | Yes (with IrDA and LIN support) |
| PMP (Parallel Master Port) | Yes |
| DMA Channels | Yes |
| PWM Channels | Yes |
| Nhiệt độ hoạt động | -40C to +105C (Industrial / "V" grade) |
| Hộp | 124-VTLA (9 mm x 9 mm) with exposed thermal pad |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
| Lead-Free | Yes |
Hướng dẫn cấu hình chân PIC32MX370F512LT-V/TL 124-vtla (9 mm x 9 mm) with exposed thermal pad
Cấu hình chân cho PIC32MX370F512LT-V/TL (124-vtla (9 mm x 9 mm) with exposed thermal pad gói). IC số này bao gồm chân GPIO, giao diện truyền thông (UART, SPI, I2C) và chân nguồn. Tham khảo tài liệu thông số kỹ thuật của nhà sản xuất để biết các chức năng chân thay thế và tùy chọn cấu hình. Cực kỳ quan trọng cho thiết kế hệ thống tích hợp và lập trình PCB.
Không có dữ liệu chân cụ thể sẵn có cho PIC32MX370F512LT-V/TL.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
PIC32MX370F512LT-V/TL phù hợp cho 6 Áp dụngs: Industrial Automation Controller, USB HID Peripheral Device, Graphical Display with Touch, Low-Cost Brushless Motor Control, IoT Sensor Gateway / Connectivity Hub, Medical Monitoring Device (Non-Critical).
Industrial Automation Controller
The PIC32MX370F512LT-V/TL fits industrial automation because it offers 85 I/O lines, 28 ADC channels, and the -40C to +105C V temperature grade needed for factory-floor deployment. Its MIPS32 M4K core at 80 MHz handles PID loops, sensor fusion, and Modbus-RTU master tasks simultaneously, while the 512 KB Flash supports large protocol stacks (Modbus, CANopen, EtherNet/IP scanner fragments). DMA channels move ADC samples to memory without CPU intervention, leaving the core free for control math. Place the MCU on a four-layer PCB with a 2 oz copper pour to keep the junction temperature within the 9 mm VTLA package's 31 C/W theta_JA budget under continuous ADC sampling loads.
Được đề xuất
USB HID Peripheral Device
The PIC32MX370F512LT-V/TL includes a USB 2.0 full-speed (12 Mbps) device controller with on-chip transceiver, ideal for USB keyboards, mice, custom HID peripherals, and CDC virtual COM ports. The 512 KB Flash stores USB stacks (Microchip Harmony) plus HID report descriptors, while the 128 KB SRAM accommodates dual-bank HID FIFOs. The exposed thermal pad of the VTLA-124 keeps junction temperature low during sustained USB bus-powered operation at 500 mA. The UART/I2C/SPI mix also allows the device to bridge legacy serial peripherals to USB without an external bridge chip, reducing BOM cost.
Được đề xuất
Graphical Display with Touch
The PIC32MX370F512LT-V/TL drives small TFT LCD panels via its PMP (Parallel Master Port) and supports resistive or capacitive touch via the integrated ADC and CTMU peripheral. At 80 MHz, it can refresh QVGA (320x240) panels at 30+ fps while running a lightweight graphics library. The 28 ADC channels let the same MCU digitize touch sensing plus analog sensors (temperature, light) without an external multiplexer. The wide 2.3-3.6 V supply tolerates backlight driver transients, and the V temperature grade supports outdoor HMI panels in direct sunlight.
Được đề xuất
Low-Cost Brushless Motor Control
The PIC32MX370F512LT-V/TL's combination of PWM outputs, fast ADC (1 Msps), DMA, and 80 MHz performance makes it suitable for sensorless or sensored BLDC/PMSM motor control up to several hundred watts. The DMA-fed ADC samples back-EMF or phase currents while the CPU computes commutation, and the MIPS32 M4K core executes field-oriented control loops within 20 us cycles. The exposed thermal pad of the VTLA-124 package dissipates the MCU's own losses (~0.5 W typical) without derating. UART with LINbus support also enables integration into LIN-connected automotive body-control modules.
Được đề xuất
IoT Sensor Gateway / Connectivity Hub
The PIC32MX370F512LT-V/TL aggregates data from I2C sensors, SPI devices, and UART peripherals, then bridges them to Ethernet, Wi-Fi, or cellular modules via its multiple serial interfaces. The 512 KB Flash stores TLS/DTLS stacks or lightweight MQTT clients, while the 128 KB SRAM buffers sensor data bursts. The two I2C and two SPI/I2S controllers let the MCU simultaneously drive a sensor array plus an audio codec for voice-prompts. With V temperature grade, this gateway can be deployed in outdoor enclosures, agricultural sensor pods, or industrial cabinets without thermal management.
Được đề xuất
Medical Monitoring Device (Non-Critical)
The PIC32MX370F512LT-V/TL suits non-critical wellness and fitness medical devices such as pulse oximeters, blood-pressure monitors, and activity trackers where its 28 ADC channels digitize multiple biosensors simultaneously. The MIPS32 M4K core runs compression algorithms on raw sensor data, and the DMA engine offloads streaming ADC samples. Although not FDA-certified for life-support equipment, the wide operating voltage and V temperature grade make it appropriate for home-use monitors. The USB device peripheral enables direct tethering to a host PC for data review and firmware update.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC32MX370F512LT-V/TL — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | PIC32MX370F512L-I/TL | PIC32MX370F512HT-V/MR |
|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 124-VTLA (9x9) | 124-VTLA (9x9) - same | 64-QFN (9x9) - different |
| Maximum Clock Frequency | 80 MHz | 100 MHz | 80 MHz |
| Flash Memory | 512 KB | 512 KB | 512 KB |
| SRAM | 128 KB | 128 KB | 64 KB |
| Operating Temperature | -40C to +105C (V grade) | -40C to +85C (I grade) | -40C to +105C (V grade) |
| I/O Pins | Up to 85 | Up to 85 | Up to 53 |
| ADC Channels | 28 | 28 | 16 |
Bảo phân biệt quan trọng
- Higher maximum operating temperature than the I-grade counterpart (vsPIC32MX370F512L-I/TL)
- Maximum I/O count and ADC channels in the 124-pin VTLA package (vsPIC32MX370F512HT-V/MR)
- Tape-and-reel packaging for high-volume assembly (vsPIC32MX370F512L-V/TL (tray))
Ghi chú thiết kế
VTLA-124 is a leadless package with a center exposed thermal pad. The pad MUST be soldered to a copper pour (minimum 1 sq inch, 4-layer PCB with 2 oz inner copper recommended) to achieve the 31 C/W theta_JA thermal performance. Missing the thermal pad connection reduces thermal dissipation by 30-40% and creates a ground-bounce risk. Place one 100 nF ceramic decoupling capacitor per VDD/VDDCORE pair within 2 mm of the pins, plus a 4.7 uF bulk capacitor near the package.
The PIC32MX370F512LT-V/TL operates from 2.3 V to 3.6 V. Core voltage (1.8 V) is generated internally by an LDO; bypass VDDCORE with a 10 uF ceramic + 100 nF pair. For USB applications, ensure VBUS sensing is routed through a 5 kV-rated ESD protection diode (e.g., USBLC6-2SC6) before reaching the USB D+/D- pins. Power-on reset is automatic, but tying the MCLR pin through a 10 kohm pull-up to VDD ensures reliable reset in noisy industrial environments.
Avoid these common PIC32MX370 design mistakes: (1) Forgetting the 4.7 uF bulk capacitor on VDD - the internal regulator oscillates without adequate bulk capacitance; (2) Using the wrong I/O remap register names - PIC32MX3 uses peripheral pin select (PPS) mapping that differs from PIC32MX1; (3) Driving JTAG lines without disabling on production boards - leave the JTAG-enabled fuse unset and use a 10 kohm pull-up on TMS to prevent accidental debug-entry in field deployments; (4) Exceeding the 10 mA source/sink limit per I/O when driving LEDs directly - use a driver FET for high-current loads.
Thông tin tuân thủ
RoHS and lead-free per Microchip product page. Not AEC-Q100 qualified - this is an industrial-grade MCU, not automotive.
