PIC32MX575F256HT-80I/PT - 80MHz 32-bit MCU 256KB Flash USB/CAN | Microchip
MPN: PIC32MX575F256HT-80I/PT ✓ Hoạt độngPIC32MX575F256HT-80I/PT Tóm tắt
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), working memory (RAM), and programmable I/O peripherals onto one die. The PIC32 family extends the legacy PIC architecture to a 32-bit MIPS32 M4K core, delivering MIPS-class performance (~1.5 DMIPS/MHz) while preserving the familiar PIC toolchain (MPLAB X IDE, Harmony, XC32 compiler). Within the broader taxonomy, a PIC32 MCU is a microcontroller -> embedded processor -> semiconductor -> integrated circuit.
Key features include 256 KB Flash with self-programming support, 64 KB SRAM, 53 digital I/O pins, 5 timers, 6 SPI/I2S, 6 UART, 3 I2C, a parallel master port (PMP) for graphics, and DMA for low-CPU-overhead data movement. The integrated USB 2.0 full-speed transceiver, CAN 2.0B controller, and 10-bit 1 MSPS ADC simplify designs that previously required multiple companion chips.
Architecturally, the device uses a 5-stage pipeline MIPS32 M4K core, a multi-vector interrupt controller, and a peripheral bus that supports direct memory access between peripherals and SRAM. This combination allows deterministic interrupt latency even with USB and CAN traffic active - a key requirement for industrial fieldbus nodes and consumer USB peripherals. The F variant suffix denotes the 256 KB Flash density tier within the PIC32MX5xx/6xx/7xx family.
Typical applications include USB peripherals (HID, CDC, MSD, audio class), CAN-based industrial nodes, graphics HMI with the PMP bus, sensor aggregation, and consumer audio devices. The wide peripheral set also makes the device suitable for retrofitting older 16-bit PIC24/PIC32 designs where USB or CAN is needed without going to a Cortex-M part.
When designing with this device, plan for a 3.3V single supply (2.3V to 3.6V tolerant) and provision decoupling per the family datasheet. The two ICSP/ICD pins (PGECx, PGEDx) must be routed with short traces and pull-ups to enable in-circuit programming and MPLAB debugger operation.
This page synthesizes distributor pricing, drop-in same-package alternatives, and design notes not found in a single manufacturer datasheet, giving procurement and firmware engineers a single-source reference.
Bộ thay thế dễ dàng lắp đặt cho PIC32MX575F256HT-80I/PT — 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 PIC32MX575F256HT-80I/PT (cùng hình factor và footprint) — khác nhau ở ADC, Package, Operating Temperature, Timers, RoHS Status.
PIC32MX575F256H-80I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC32MX575F256HT-80V/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC32MX575F256H-80V/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC32MX695F512H-80I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC32MX695F512HT-80I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC32MX575F256L-80I/PT
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC32MX575F256HT-80I/PT Tỷ lệ tối đa & tính chất điện
| Core Architecture | MIPS32 M4K |
| Bit Width | 32-bit |
| Maximum CPU Clock | 80 MHz |
| Flash Program Memory | 256 KB (256K x 8) |
| SRAM | 64 KB |
| Operating Voltage Range | 2.3 V to 3.6 V |
| Digital I/O Pins | 53 |
| Hộp | 64-TQFP (10x10 mm) |
| Kiểu lắp đặt | Surface Mount |
| USB | USB 2.0 Full-Speed Device/Host/OTG |
| CAN | CAN 2.0B |
| ADC | 10-bit, 16 channels |
| Timers | 5 |
| UART | 6 |
| SPI | 3 (also configurable as I2S) |
| I2C | 4 |
| Khoảng nhiệt độ hoạt động | -40C to +85C (Industrial, -I suffix) |
| Trạng thái RoHS | Compliant |
| Lead-Free | Yes |
Cấu hình chân PIC32MX575F256HT-80I/PT
| Chân 1 | RP15/RD8 — Remappable I/O / PORTD bit 8 |
| Chân 2 | SDA1/RA4 — I2C1 SDA / PORTA bit 4 |
| Chân 3 | SCL1/RA5 — I2C1 SCL / PORTA bit 5 |
| Chân 4 | VSS — Ground reference |
| Chân 5 | VDD — Positive supply (2.3V to 3.6V) |
| Chân 6 | PGED1/AN0/CN2/RB0 — ICSP data / analog input 0 / PORTB bit 0 |
| Chân 7 | PGEC1/AN1/CN3/RB1 — ICSP clock / analog input 1 / PORTB bit 1 |
| Chân 8 | AN2/CN4/RB2 — Analog input 2 / PORTB bit 2 |
| Chân 9 | AN3/CN5/RB3 — Analog input 3 / PORTB bit 3 |
| Chân 10 | AN4/CN6/RB4 — Analog input 4 / PORTB bit 4 |
| Chân 11 | VSS — Ground reference |
| Chân 12 | OSC1/RC12 — Crystal oscillator input / PORTC bit 12 |
| Chân 13 | OSC2/RC15 — Crystal oscillator output / PORTC bit 15 |
| Chân 14 | VSS — Ground reference |
| Chân 15 | VDD — Positive supply (2.3V to 3.6V) |
| Chân 16 | PGED2/RB5 — Alternate ICSP data / PORTB bit 5 |
| Chân 17 | PGEC2/RB6 — Alternate ICSP clock / PORTB bit 6 |
| Chân 18 | AN5/CN7/RB7 — Analog input 5 / PORTB bit 7 |
| Chân 19 | AN6/OC2/RB8 — Analog input 6 / Output Compare 2 / PORTB bit 8 |
| Chân 20 | AN7/OC3/RB9 — Analog input 7 / Output Compare 3 / PORTB bit 9 |
| Chân 21 | AN8/OC4/RB10 — Analog input 8 / Output Compare 4 / PORTB bit 10 |
| Chân 22 | AN9/OC5/RB11 — Analog input 9 / Output Compare 5 / PORTB bit 11 |
| Chân 23 | VSS — Ground reference |
| Chân 24 | VDD — Positive supply (2.3V to 3.6V) |
| Chân 25 | CVREF+/AN10/RB12 — Comparator Vref+ / analog input 10 / PORTB bit 12 |
| Chân 26 | CVREF-/AN11/RB13 — Comparator Vref- / analog input 11 / PORTB bit 13 |
| Chân 27 | AN12/RB14 — Analog input 12 / PORTB bit 14 |
| Chân 28 | AN13/RB15 — Analog input 13 / PORTB bit 15 |
| Chân 29 | TMS/RA0 — JTAG TMS / PORTA bit 0 |
| Chân 30 | TCK/RA1 — JTAG TCK / PORTA bit 1 |
| Chân 31 | TDI/RA2 — JTAG TDI / PORTA bit 2 |
| Chân 32 | TDO/RA3 — JTAG TDO / PORTA bit 3 |
| Chân 33 | SDA2/RA6 — I2C2 SDA / PORTA bit 6 |
| Chân 34 | SCL2/RA7 — I2C2 SCL / PORTA bit 7 |
| Chân 35 | VSS — Ground reference |
| Chân 36 | VDD — Positive supply (2.3V to 3.6V) |
| Chân 37 | D+/RG2 — USB D+ / PORTG bit 2 |
| Chân 38 | D-/RG3 — USB D- / PORTG bit 3 |
| Chân 39 | VBUS/RG1 — USB VBUS sense / PORTG bit 1 |
| Chân 40 | VUSB3V3/RG0 — USB internal transceiver supply / PORTG bit 0 |
| Chân 41 | RF6/RC1 — Remappable I/O / PORTC bit 1 |
| Chân 42 | RF7/RC2 — Remappable I/O / PORTC bit 2 |
| Chân 43 | RF8/RC3 — Remappable I/O / PORTC bit 3 |
| Chân 44 | RF9/RC4 — Remappable I/O / PORTC bit 4 |
| Chân 45 | U1RTS/RF4/RC5 — UART1 RTS / remappable I/O / PORTC bit 5 |
| Chân 46 | U1RX/RF2/RC6 — UART1 RX / remappable I/O / PORTC bit 6 |
| Chân 47 | U1TX/RF3/RC7 — UART1 TX / remappable I/O / PORTC bit 7 |
| Chân 48 | U1CTS/RF5/RC8 — UART1 CTS / remappable I/O / PORTC bit 8 |
| Chân 49 | VSS — Ground reference |
| Chân 50 | VDD — Positive supply (2.3V to 3.6V) |
| Chân 51 | RF13/RC9 — Remappable I/O / PORTC bit 9 |
| Chân 52 | RF12/RC10 — Remappable I/O / PORTC bit 10 |
| Chân 53 | SDO1/RE5 — SPI1 data out / PORTE bit 5 |
| Chân 54 | SDI1/RE6 — SPI1 data in / PORTE bit 6 |
| Chân 55 | SCK1/RE7 — SPI1 clock / PORTE bit 7 |
| Chân 56 | SS1/RE8 — SPI1 slave select / PORTE bit 8 |
| Chân 57 | SDA3/RE9 — I2C3 SDA / PORTE bit 9 |
| Chân 58 | SCL3/RE10 — I2C3 SCL / PORTE bit 10 |
| Chân 59 | RD0 — PORTD bit 0 |
| Chân 60 | RD1 — PORTD bit 1 |
| Chân 61 | RD2 — PORTD bit 2 |
| Chân 62 | RD3 — PORTD bit 3 |
| Chân 63 | RD4 — PORTD bit 4 |
| Chân 64 | RD5 — PORTD bit 5 |
Ứng dụng tiêu biểu
PIC32MX575F256HT-80I/PT phù hợp cho 6 Áp dụngs: USB HID / CDC Peripheral, CAN-based Industrial Sensor Node, Graphics HMI with Parallel Master Port, USB Audio Class Device, Building Automation / Smart Home Gateway, Consumer Data Logger with USB Mass Storage.
USB HID / CDC Peripheral
The PIC32MX575F256HT-80I/PT is well suited to USB Human Interface Device and Communication Device Class peripherals because it integrates a USB 2.0 Full-Speed transceiver and protocol engine that requires no external PHY. With 80 MHz MIPS32 M4K performance and 64 KB SRAM, the device easily handles HID report generation, CDC-ACM echo buffers, and bootloader code at qty 1 unit price ~USD 7.65. Place 0.1uF decoupling at each VDD pin and route the USB DP/DM pair as a 90 ohm differential per the family datasheet. The on-chip USB controller eliminates a typical USD 1-2 external PHY IC from the BOM.
Được đề xuất
CAN-based Industrial Sensor Node
The PIC32MX575F256HT-80I/PT's integrated CAN 2.0B controller and industrial -40C to +85C temperature range fit sensor aggregation nodes on industrial CAN fieldbuses. The 10-bit 1 MSPS ADC with 16 channels can sample multiple analog sensors in parallel, while the CAN controller handles bus arbitration at up to 1 Mbps. Use an external MCP2551 or MCP2562 CAN transceiver between the MCU and the bus. The 64 KB SRAM is large enough to buffer CAN frames during transient bus congestion without dropping messages.
Được đề xuất
Graphics HMI with Parallel Master Port
The PIC32MX575F256HT-80I/PT's parallel master port (PMP) allows it to drive small TFT LCDs and OLED displays directly, enabling low-cost HMI panels without an external graphics controller. At 80 MHz the M4K core can refresh QVGA panels at 30+ fps with simple widget libraries. The 256 KB Flash fits menu structures, fonts, and bitmap assets for typical appliance or instrumentation front panels. Add a 10k pull-up on PMP enable lines and follow the IBIS model for signal integrity.
Được đề xuất
USB Audio Class Device
The PIC32MX575F256HT-80I/PT can implement USB Audio Class 1.0 devices (headsets, speakers, microphones) by combining the integrated USB Full-Speed engine with the I2S peripheral and DMA channels. The 64 KB SRAM buffers USB audio packets at 48 kHz stereo with minimal CPU overhead, while the MIPS32 M4K core handles audio sample routing. Use an external 24-bit audio codec such as the AK4554 or PCM1774 via I2S for the analog interface.
Được đề xuất
Building Automation / Smart Home Gateway
The PIC32MX575F256HT-80I/PT can act as a low-cost bridge between a USB host (e.g., a Wi-Fi module) and a CAN or RS-485 fieldbus used in building automation. The 6 UARTs, 4 I2C, and 3 SPI/I2S channels give plenty of serial connectivity for sensor hubs and HVAC controllers. Industrial temperature rating allows installation in unconditioned electrical rooms. The 256 KB Flash fits BACnet or Modbus stacks plus a custom application.
Được đề xuất
Consumer Data Logger with USB Mass Storage
The PIC32MX575F256HT-80I/PT can implement a USB Mass Storage device by combining the integrated USB controller with an external SD card or SPI Flash over SPI. The DMA channels move sectors between the SD card and the USB endpoint buffer without CPU intervention. The 64 KB SRAM holds at least one 512-byte sector plus USB protocol overhead. Industrial temperature grade allows use in outdoor sports, automotive data loggers, and instrumentation.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC32MX575F256HT-80I/PT — 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 | PIC32MX575F256H-80I/PT | PIC32MX575F256HT-80V/PT | PIC32MX695F512H-80I/PT | PIC32MX575F256L-80I/PT |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-TQFP (10x10) | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same |
| Flash Memory | 256 KB | 256 KB | 256 KB | 512 KB | 256 KB |
| SRAM | 64 KB | 64 KB | 64 KB | 128 KB | 64 KB |
| Maximum CPU Clock | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +105C (Automotive) | -40C to +85C | -40C to +85C |
| USB | USB 2.0 FS Device/Host/OTG | USB 2.0 FS Device/Host/OTG | USB 2.0 FS Device/Host/OTG | USB 2.0 FS Device/Host/OTG | USB 2.0 FS Device/Host/OTG |
| CAN | CAN 2.0B | CAN 2.0B | CAN 2.0B | CAN 2.0B | CAN 2.0B |
| ADC | 10-bit, 16 channels | 10-bit, 16 channels | 10-bit, 16 channels | 10-bit, 16 channels | 10-bit, 16 channels |
Bảo phân biệt quan trọng
- Same-die tray-packaged sibling available as drop-in (vsPIC32MX575F256H-80I/PT)
- Automotive-grade temperature option in the same package (vsPIC32MX575F256HT-80V/PT)
- Double Flash and SRAM upgrade on same footprint (vsPIC32MX695F512H-80I/PT)
Ghi chú thiết kế
The PIC32MX575F256HT-80I/PT operates from a single 2.3V to 3.6V supply. Place one 0.1uF decoupling capacitor as close as possible to each VDD pin (5 VDD pins on the 64-TQFP) and one 10uF bulk capacitor near the package. Add a ferrite bead or LC filter on VUSB3V3 (pin 40) when the USB transceiver is active, and a 0.1uF + 4.7uF pair on the same pin. The VBUS pin (pin 39) typically needs a divider to 3.3V for sensing; see the family datasheet for the recommended USB bus-power circuit.
At 80 MHz the PIC32MX575F256HT-80I/PT typically dissipates roughly 60-90 mW depending on peripheral activation. With a theta_JA around 50-60 C/W on a 64-TQFP 4-layer board, junction rise above ambient is approximately 5C, well within the 85C industrial ceiling. For automotive -V grades (-40C to +105C) the same thermal budget applies but with reduced ambient margin. Avoid placing the MCU next to a switching regulator's inductor to keep switching noise off the analog rails.
Route the 12 MHz primary oscillator traces (OSC1/OSC2, pins 12 and 13) as short as possible, guard them with a ground pour, and place the load capacitors within 2 mm of the IC. The USB D+/D- pair (pins 37/38) must be routed as a 90 ohm differential with no stubs and matched length to within 150 mil. Reserve PGED1/PGEC1 (pins 6/7) and optionally PGED2/PGEC2 (pins 16/17) for the MPLAB ICSP header; both pairs must have accessible test points on prototype builds.
Do not leave any VDD pin floating - all five VDD pins (5, 15, 24, 36, 50) must be connected even if a pin's I/O group is unused. The TMS/TCK/TDI/TDO pins (29-32) must not be repurposed without disabling JTAG in the configuration bits, otherwise boundary-scan tools will fight the application. Always set the correct DEVCFG bits for the oscillator mode and disable the JTAG port in production firmware for additional code security.
Keep analog inputs AN0-AN13 grouped near a quiet analog ground island, and route digital returns to the main ground plane outside the analog area. The CVREF+ and CVREF- pins (25/26) benefit from a small RC filter when used as a comparator reference. Place the SD card or external SPI Flash connector within 50 mm of the SPI1 cluster (pins 53-56) to keep the SPI bus below 25 MHz with sharp edges.
Thông tin tuân thủ
RoHS and lead-free confirmed per Microchip product page; AEC-Q100 qualification not applicable to -I industrial variant - choose -80V/PT suffix for automotive grade.
