PIC32MX570F512L-I/PT - 512KB Flash 40MHz 32-bit MCU | Microchip
MPN： PIC32MX570F512L-I/PT ✓ 啟用中PIC32MX570F512L-I/PT 概覽
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), working memory (RAM), and programmable I/O peripherals into one device. The PIC32MX570F512L sits within the broader taxonomy: MCU -> 32-bit MCU -> MIPS M4K core MCU -> PIC32MX family -> PIC32MX5xx sub-family (with USB/CAN/audio/graphics peripherals). It belongs to the power-management-aware class of MCUs intended for mixed analog/digital and connected products.
The headline feature set includes two I2S and four SPI modules (for audio Codec and display peripherals), Peripheral Pin Select (PPS) for flexible signal routing, and a Parallel Master Port (PMP) with dual buffers for graphics interfaces. The device also integrates a Charge Time Measurement Unit (CTMU), a 10-bit 1 MsA, and USB 2.0 Full-Speed OTG plus a CAN 2.0B module with DeviceNet addressing support. These are packaged in a 100-pin TQFP with 81 user I/O capable of driving mixed analog and digital loads.
Architecturally, the MIPS M4K core features a 5-stage pipeline with hardware multiply/divide and a shadow register set for fast interrupt response. The 512 KB Flash is single-cycle accessible with a 128-bit-wide prefetch bus, paired with a dedicated DMA controller for peripheral-to-memory transfers without CPU intervention. The 64 KB SRAM supports live update via the dual-panel Flash architecture, enabling bootloader-style firmware upgrades in the field.
Typical applications include USB-connected human-interface devices, CAN-bus industrial nodes (e.g., DeviceNet gateways), audio playback products using I2S Codecs, low-cost graphical HMI panels using PMP, and connected sensor hubs that need both USB and CAN. The 100-pin TQFP and Microchip's MPLAB X tool chain allow low-HART development using the XC32 compiler and Microchip's Harmony framework. The PIC32MX570F512L is pin-compatible with the 100-pin PIC32MX1xx/2xx/5xx family, enabling PCB reuse across Flash/RAM tiers.
A key design consideration is that the PIC32MX family uses a non-5V-tolerant I/O architecture on most pins (3.6V VIH max on many pins), so level shifting is required when interfacing with 5V legacy logic. The integrated 8 MHz internal RC can be used for USB start-up, simplifying BOM. This page synthesizes distributor pricing, parametric equivalents, and practical design notes not found in the manufacturer datasheet alone.
直接替換替代品，適用於 PIC32MX570F512L-I/PT — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： PIC32MX570F512L-I/PT （相同外形與佔位） — 差異在於 Package, ADC, CAN, USB, Parallel Master Port (PMP).
PIC32MX570F512L-50I/PT
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →PIC32MX570F512LT-I/PT
✅ 直接替換📋 參考替代品（不在目錄中）
PIC32MX570F512H-I/PT
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →PIC32MX570F512HT-I/PT
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →PIC32MX470F512L-I/PT
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →PIC32MX570F512L-I/PT 最大額定值與電氣特性
| Core | MIPS32 M4K |
| Maximum CPU Frequency | 50 MHz (83 DMIPS) |
| Program Flash Memory | 512 KB (512K x 8) |
| SRAM | 64 KB |
| Supply Voltage (VDD) | 2.3 V to 3.6 V |
| 工作溫度 | -40 C to +85 C (Industrial, -I suffix) |
| 封裝 | 100-pin TQFP (PT), 12 x 12 mm |
| User I/O Pins | 81 (typical, 100-pin variant) |
| USB | USB 2.0 Full-Speed OTG controller |
| CAN | CAN 2.0B with DeviceNet addressing |
| SPI Modules | 4 (configurable as I2S) |
| I2S Modules | 2 (shared with SPI) |
| PMP (Parallel Master Port) | Yes, dual read/write buffers |
| Peripheral Pin Select (PPS) | Yes |
| ADC | 10-bit, 1 Msps (per family datasheet) |
| CTMU | Yes (Charge Time Measurement Unit) |
| 安裝類型 | Surface Mount |
| RoHS 狀態 | Compliant |
PIC32MX570F512L-I/PT 100-pin tqfp (pt), 12 x 12 mm 腳位配置指南
PIC32MX570F512L-I/PT（100-pin tqfp (pt), 12 x 12 mm 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： PIC32MX570F512L-I/PT.
請參閱 資料表 以查看完整腳位配置。
典型應用
PIC32MX570F512L-I/PT 適用於 6 應用s: USB-Connected Human Interface Device (HID), CAN-Bus Industrial Node / DeviceNet Gateway, I2S Audio Playback Product, Low-Cost Graphical HMI Panel, Connected Sensor Hub with USB and CAN, Bootloader / Field-Upgradable Appliance.
USB-Connected Human Interface Device (HID)
The PIC32MX570F512L-I/PT integrates a USB 2.0 Full-Speed OTG controller that eliminates the need for an external PHY in HID designs. The 50 MHz/83 DMIPS MIPS32 M4K core handles USB protocol stacks and HID report generation with sustained throughput above 12 MB/s Full-Speed bulk transfers. With 512 KB Flash, full USB stacks and HID class drivers fit without external memory, while 64 KB SRAM supports multi-endpoint buffering. Designers use the on-chip USB and PPS to remap USB D+/D- to any digital I/O pin for flexible PCB routing. This configuration powers USB keyboards, mice, game controllers, and custom HID peripherals at industrial temperature grades.
推薦
CAN-Bus Industrial Node / DeviceNet Gateway
The PIC32MX570F512L-I/PT integrates CAN 2.0B with DeviceNet addressing support, allowing it to operate as a single-chip CAN node without an external transceiver controller. The 83 DMIPS core processes CANopen, DeviceNet, or J1939 protocol stacks, while the 512 KB Flash holds full protocol libraries. The 81 I/O pins in the 100-pin TQFP support multiple sensor inputs, PWM outputs, and encoder interfaces typical of industrial gateways. PPS routing allows the CAN TX/RX pins to be assigned to any digital I/O, simplifying PCB layout in multi-bus systems. The industrial -40C to +85C temperature grade is rated for factory-floor deployments.
推薦
I2S Audio Playback Product
The PIC32MX570F512L-I/PT integrates two I2S modules (shared with SPI peripherals) that interface directly to external audio DACs and Codecs for stereo audio playback. The 50 MHz core decodes compressed audio (MP3, AAC, FLAC) with sufficient headroom for software-based decoding at 44.1 kHz / 48 kHz sample rates. Peripheral Pin Select (PPS) routes I2S bit-clock, word-select, and data to any GPIO, simplifying mixed-signal PCB layouts. The 512 KB Flash stores firmware plus on-chip audio sample buffers, while 64 KB SRAM handles streaming audio with DMA offload. CTMU supports more advanced audio front-panel touch controls in the same product.
推薦
Low-Cost Graphical HMI Panel
The PIC32MX570F512L-I/PT includes a Parallel Master Port (PMP) with dual read/write buffers designed for direct connection to graphical LCD or OLED controllers. This eliminates the requirement of an external graphics controller IC, reducing BOM cost in low-cost HMI panels. The 50 MHz core drives QVGA (320x240) refresh rates with 16-bit color interfaces, while 64 KB SRAM holds frame buffers for small UI elements. PPS allows flexible pin assignment for PMP data, address, and control lines. The 100-pin TQFP and industrial temperature grade suit factory HMI panels and appliance front-panel displays.
推薦
Connected Sensor Hub with USB and CAN
The PIC32MX570F512L-I/PT combines USB 2.0 Full-Speed and CAN 2.0B in a single chip, making it ideal for sensor hubs that aggregate sensor data and forward it to a host via USB or to an industrial bus. The 16-channel 10-bit ADC and CTMU support capacitive touch sensing and analog sensor interfaces, while DMA offloads repetitive data transfers. The 512 KB Flash accommodates sensor fusion firmware and protocol stacks, and 64 KB SRAM buffers multi-sensor streams. The 100-pin TQFP provides 81 I/O pins for sensor arrays, with PPS routing for flexible pin mapping in mixed-signal hubs.
推薦
Bootloader / Field-Upgradable Appliance
The PIC32MX570F512L-I/PT supports dual-panel Flash architecture, enabling live firmware updates from a USB stick, USB stick, or USB host without external memory. The USB OTG controller allows the MCU to read firmware images directly from a connected USB flash drive, while the 50 MHz core executes the bootloader protocol stack and verifies image integrity. The 512 KB Flash holds both active and staging panels, and 64 KB SRAM supports image buffering without external memory. The 100-pin TQFP (12 x 12 mm) suits appliances with constrained PCB area where field upgradeability is critical for long-life products.
推薦
推薦產品摘要
工程參考資料，適用於 PIC32MX570F512L-I/PT — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | PIC32MX570F512L-50I/PT | PIC32MX570F512LT-I/PT | PIC32MX570F512H-I/PT | PIC32MX470F512L-I/PT |
|---|---|---|---|---|---|
| Package | 100-pin TQFP (PT), 12x12 mm | 100-pin TQFP (PT) - same | 100-pin TQFP (PT) - same | 100-pin TQFP (PT) - same | 100-pin TQFP (PT) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Maximum CPU Frequency | 50 MHz (83 DMIPS) | 50 MHz (tested) | 50 MHz | 50 MHz | 40 MHz |
| Flash Memory | 512 KB | 512 KB | 512 KB | 512 KB | 512 KB |
| SRAM | 64 KB | 64 KB | 64 KB | 64 KB | 64 KB |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +85C | -40C to +105C | -40C to +85C |
| USB | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG |
| CAN | CAN 2.0B (DeviceNet) | CAN 2.0B (DeviceNet) | CAN 2.0B (DeviceNet) | CAN 2.0B (DeviceNet) | CAN 2.0B (DeviceNet) |
| Supply Voltage | 2.3V to 3.6V | 2.3V to 3.6V | 2.3V to 3.6V | 2.3V to 3.6V | 2.3V to 3.6V |
主要差異化特點
- USB 2.0 Full-Speed OTG with on-chip transceiver (對比PIC32MX470F512L-I/PT)
- 50 MHz tested vs 40 MHz standard grade (對比PIC32MX570F512L-50I/PT)
- Industrial -40C to +85C vs Extended -40C to +105C (對比PIC32MX570F512H-I/PT)
設計說明
The PIC32MX570F512L-I/PT requires a 2.3V-3.6V supply with bulk decoupling on each VDD pin pair and a 100 nF ceramic bypass capacitor within 5 mm of each supply pin. The USB transceiver requires a stable 3.3V rail with low ripple (<= 50 mV) and an internal voltage regulator disabled if an external 3.3V LDO is used; otherwise VUSB and VBUS pins must follow the Microchip PIC32MX1xx/2xx/5xx family datasheet (DS60001290E) layout.
Place the 12 MHz external crystal (or use the internal 8 MHz RC) within 5 mm of the OSC1/OSC2 pins, with ground flooded around the crystal traces to minimize radiated EMI. The 100-pin TQFP (12x12 mm) requires 4-layer PCB with a continuous ground plane beneath the device to handle return currents from USB Full-Speed signals; route USB differential pair D+/D- with 90 ohm differential impedance.
Many PIC32MX I/O pins are NOT 5V-tolerant (VIH max 3.6V per family datasheet) - never drive a PIC32MX570F512L-I/PT input above VDD. Level shifting is required when interfacing with 5V legacy logic. Also, USB bus-powered designs must use the internal voltage regulator or a Microchip-suggested LDO; using a switching regulator without proper filtering will fail USB-IF compliance testing.
The Peripheral Pin Select (PPS) feature allows remapping of digital peripherals to any I/O pin, but locked PPS pins require unlocking sequence in firmware. Reserve PPS-unique pins for USB (D+/D-) and JTAG (TCK/TMS/TDO/TDI/TCK) to avoid conflicts with remappable peripherals. JTAG/ICSP pins should be brought out to a debug header for MPLAB X ICD programming.
合規資訊
RoHS and lead-free per Microchip product page. AEC-Q100 qualified variants exist in the PIC32MX family but the L/PT I-suffix is industrial grade (-40C to +85C); for automotive applications consult PIC32MX570F512H-E/PT (extended) variants.