PIC32MX470F512HT-I/PT - 80MHz 512KB Flash 32-bit MCU | Microchip
MPN: PIC32MX470F512HT-I/PT ✓ Hoạt độngPIC32MX470F512HT-I/PT Tóm tắt
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (SRAM), and programmable peripherals into one package. The PIC32MX family places the MCU in the hierarchy: microcontroller -> embedded processor -> system-on-chip -> semiconductor, and is widely used wherever deterministic real-time control meets the need for substantial code space and connectivity peripherals.
Key features include two 10-bit ADCs with up to 28 analog input channels, five 16-bit timers, five PWM outputs, four UART modules, two SPI/I2S interfaces, two I2C buses, two analog comparators, a Real-Time Clock and Calendar (RTCC), and a Charge Time Measurement Unit (CTMU) for capacitive touch sensing. The 49 digital I/O pins (with 28 analog-capable) make the device well suited to mixed-signal and human-interface designs. USB 2.0 full-speed support and a parallel master port (PMP) expand connectivity to external memory, graphics, or PC hosts.
Technically, the device is built on a CMOS process with the MIPS32 M4K core delivering 1.56 DMIPS/MHz. The PIC32MX3/4 family architecture provides single-cycle flash access, a hardware multiply/divide unit, and an 8-channel DMA controller that offloads data movement from the CPU. The dual-I2S block and dual SPI enable simultaneous audio and display interfaces without CPU intervention.
Typical applications include industrial control (PLC I/O modules, sensor hubs), consumer electronics (home appliances with capacitive touch), USB peripherals (HID, CDC), audio accessories (USB speakers, soundbars), graphical user interfaces (PMP-driven TFT panels), and medical instrumentation (portable monitoring). The 512 KB Flash also supports connectivity stacks (TCP/IP via MLA libraries) and OTA-capable firmware.
When designing with the PIC32MX470F512HT-I/PT, ensure the 2.3 V to 3.6 V supply is decoupled with 100 nF + 10 uF close to each VDD pin, and route the analog AVdd separately for ADC accuracy. The "T" suffix denotes tape-and-reel packaging, and the "-I" industrial temperature grade means -40C to +85C operation.
This page synthesizes distributor pricing, pin-compatible PIC32MX drop-in alternatives, and practical design notes that augment the manufacturer datasheet with engineering context relevant to BOM consolidation and long-term availability planning.
Bộ thay thế dễ dàng lắp đặt cho PIC32MX470F512HT-I/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 PIC32MX470F512HT-I/PT (cùng hình factor và footprint) — khác nhau ở ADC, Package, USB, Maximum CPU Frequency, Operating Temperature.
PIC32MX470F512HT-120/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC32MX470F512H-I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC32MX470F512HT-120I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC32MX470F512HT-120V/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC32MX570F512L-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC32MX470F512HT-I/PT Tỷ lệ tối đa & tính chất điện
| Core Architecture | MIPS32 M4K |
| Bề rộng đường dữ liệu | 32-bit |
| Maximum CPU Speed | 80 MHz (100 MHz headroom) |
| Performance | 1.56 DMIPS/MHz |
| Program Memory (Flash) | 512 KB |
| SRAM | 128 KB |
| Supply Voltage (VDD) | 2.3 V to 3.6 V |
| Nhiệt độ hoạt động | -40C to +85C (Industrial) |
| Hộp | 64-pin TQFP (10x10 mm) |
| Kiểu lắp đặt | Surface Mount |
| Digital I/O Pins | 49 |
| ADC | 2x 10-bit, 28 channels |
| Timers | 5x 16-bit |
| PWM Outputs | 5 |
| UART | 4 |
| SPI / I2S | 2 / 2 |
| I2C | 2 |
| Analog Comparators | 2 |
| RTCC | Yes |
| CTMU (Capacitive Touch) | Yes |
| USB | USB 2.0 Full-Speed |
| DMA Channels | 8 |
| Parallel Master Port (PMP) | Yes |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC32MX470F512HT-I/PT
| Chân 1 | SOCK1/RPG6/PMA0 — I/O port, PMP address line |
| Chân 2 | RPG7/PMA1 — I/O port, PMP address line |
| Chân 3 | RPG8/PMA2 — I/O port, PMP address line |
| Chân 4 | RPG9/PMCS1 — I/O port, PMP chip select 1 |
| Chân 5 | VSS — Ground |
| Chân 6 | OSC1/CLKI/RC12 — Crystal oscillator input / external clock |
| Chân 7 | OSC2/CLKO/RC15 — Crystal oscillator output |
| Chân 8 | VSS — Ground |
| Chân 9 | VDD — Supply voltage 2.3V-3.6V |
| Chân 10 | RB0/PGED3 — I/O port, programming data |
| Chân 11 | RB1/PGEC3 — I/O port, programming clock |
| Chân 12 | RB2/AN2/C1IND — I/O port, analog input 2, comparator 1 input D |
| Chân 13 | RB3/AN3/C1INC — I/O port, analog input 3, comparator 1 input C |
| Chân 14 | RA0/TMS — I/O port, JTAG test mode select |
| Chân 15 | RA1/TCK — I/O port, JTAG test clock |
| Chân 16 | RA2/TDI — I/O port, JTAG test data in |
| Chân 17 | RA3/TDO — I/O port, JTAG test data out |
| Chân 18 | RA4 — I/O port |
| Chân 19 | AVDD — Analog supply voltage |
| Chân 20 | AVSS — Analog ground |
| Chân 21 | RB4/AN4/C2IND — I/O port, analog input 4 |
| Chân 22 | RB5/AN5/C2INC — I/O port, analog input 5 |
| Chân 23 | RB6/AN6 — I/O port, analog input 6 |
| Chân 24 | RB7/AN7 — I/O port, analog input 7 |
| Chân 25 | RB8/AN8 — I/O port, analog input 8 |
| Chân 26 | RB9/AN9 — I/O port, analog input 9 |
| Chân 27 | VSS — Ground |
| Chân 28 | VDD — Supply voltage |
| Chân 29 | RB10/AN10/CVREF — I/O port, analog input 10, comparator voltage reference |
| Chân 30 | RB11/AN11 — I/O port, analog input 11 |
| Chân 31 | RB12/AN12 — I/O port, analog input 12 |
| Chân 32 | RB13/AN13 — I/O port, analog input 13 |
| Chân 33 | RB14/AN14 — I/O port, analog input 14 |
| Chân 34 | RB15/AN15/OCFB — I/O port, analog input 15, output compare fault B |
| Chân 35 | VSS — Ground |
| Chân 36 | RC1/T2CK — I/O port, Timer2 clock input |
| Chân 37 | RC2/T3CK — I/O port, Timer3 clock input |
| Chân 38 | RC3 — I/O port |
| Chân 39 | RC4 — I/O port |
| Chân 40 | VDD — Supply voltage |
| Chân 41 | VSS — Ground |
| Chân 42 | RD0 — I/O port D0 |
| Chân 43 | RD1 — I/O port D1 |
| Chân 44 | RD2 — I/O port D2 |
| Chân 45 | RD3 — I/O port D3 |
| Chân 46 | RC13/SOSCO — I/O port, secondary oscillator output |
| Chân 47 | RC14/SOSCI — I/O port, secondary oscillator input |
| Chân 48 | RD4 — I/O port D4 |
| Chân 49 | RD5 — I/O port D5 |
| Chân 50 | RD6 — I/O port D6 |
| Chân 51 | RD7 — I/O port D7 |
| Chân 52 | RC5/OC5 — I/O port, output compare 5 |
| Chân 53 | RC6/OC6 — I/O port, output compare 6 |
| Chân 54 | RC7 — I/O port |
| Chân 55 | RC8 — I/O port |
| Chân 56 | RC9 — I/O port |
| Chân 57 | RC10 — I/O port |
| Chân 58 | RC11 — I/O port |
| Chân 59 | RD8/RTCC — I/O port, RTCC output |
| Chân 60 | RD9 — I/O port |
| Chân 61 | MCLR — Master clear reset (active low) |
| Chân 62 | VDD — Supply voltage |
| Chân 63 | VSS — Ground |
| Chân 64 | RE0 — I/O port E0 |
Ứng dụng tiêu biểu
PIC32MX470F512HT-I/PT phù hợp cho 7 Áp dụngs: Industrial Control & Sensor Hubs, USB Peripherals (HID, CDC, MSD), Capacitive Touch User Interfaces, Audio Accessories & Soundbars, Graphical User Interfaces (TFT Panels), Portable Medical Instrumentation, Home Appliances & White Goods.
Industrial Control & Sensor Hubs
The PIC32MX470F512HT-I/PT fits industrial PLC I/O modules and sensor-hub designs where deterministic 32-bit processing, 512 KB of code space, and multi-protocol connectivity must coexist on one chip. The two 10-bit ADCs sweep 28 channels at up to 1 Msps aggregate, while five PWM channels drive motor or actuator stages. Four UARTs plus two SPI/I2S and two I2C buses let the MCU aggregate field sensors (RS-485, CAN via SPI MCP2515, I2C temp sensors) without external bus expanders. The 80 MHz MIPS32 M4K core delivers 1.56 DMIPS/MHz, enough for closed-loop PID plus Modbus RTU handling on a single device.
Được đề xuất
USB Peripherals (HID, CDC, MSD)
The PIC32MX470F512HT-I/PT integrates a USB 2.0 Full-Speed (12 Mbps) controller with on-chip transceiver, eliminating the need for an external PHY and saving roughly $0.30 to $0.50 BOM cost. The 128 KB SRAM comfortably holds USB class driver buffers (HID report descriptors, CDC line-coding state) plus application firmware, while 512 KB Flash accommodates USB stacks from MLA or MPLAB Harmony. Industrial temp -40C to +85C allows deployment in point-of-sale terminals, USB data loggers, and instrumentation. Designers should add 100 nF + 10 uF decoupling near VUSB and follow Microchip USB layout guidelines (90-ohm differential, 4-layer stackup).
Được đề xuất
Capacitive Touch User Interfaces
The PIC32MX470F512HT-I/PT's CTMU (Charge Time Measurement Unit) converts up to 28 analog-capable pins into capacitive touch electrodes without an external touch IC. This lets designers replace mechanical buttons with sliders, wheels, and proximity sensors in appliances, white goods, and access-control panels. The 80 MHz core handles Debounce, gesture, and backlight-management algorithms in real time, and the rich peripheral set (PWM for LED backlights, I2C for display drivers, RTCC for time-stamping events) consolidates what used to require two MCUs. Reference firmware is available from Microchip's mTouch library.
Được đề xuất
Audio Accessories & Soundbars
The PIC32MX470F512HT-I/PT's dual I2S ports plus USB Full-Speed make it a practical front-end MCU for USB speakers, soundbars, and headphone amps. I2S delivers bit-clock-perfect digital audio to an external DAC or class-D amp, while USB streams PCM data from a PC or phone. The DMA controller offloads audio block transfers so the 80 MHz core is free for DSP-style processing (basic EQ, loudness, mixing). With 512 KB Flash there is room for USB audio class firmware plus DSP algorithms; 128 KB SRAM buffers multi-channel audio without external memory. Industrial temperature grade supports automotive infotainment auxiliary inputs.
Được đề xuất
Graphical User Interfaces (TFT Panels)
The PIC32MX470F512HT-I/PT drives small TFT panels through its Parallel Master Port (PMP), which can map to 8-bit or 16-bit 8080/6800 interfaces at up to 25 MHz. Combined with the 8-channel DMA and 80 MHz CPU, this allows smooth menus and 2D widgets without an external graphics controller. The 49 digital I/O pins leave enough headroom for touch-sensing overlays, backlight PWM, and SD-card data storage. Designers can leverage Microchip's MLA graphics library (with anti-aliased fonts and BMP rendering) to keep code within the 512 KB Flash budget while leaving room for the application.
Được đề xuất
Portable Medical Instrumentation
The PIC32MX470F512HT-I/PT serves in portable medical monitoring devices (pulse oximeters, digital thermometers, ambulatory ECG front-ends) where low power, integrated peripherals, and reliability matter more than raw throughput. The CTMU enables capacitive touch on sealed front panels, the dual 10-bit ADC reads sensor analog front-ends, and the RTCC timestamps clinical events. With 2.3 V to 3.6 V operation, the device can run directly from a single Li-ion cell with a buck-boost regulator. The industrial temperature grade and Microchip's longevity commitment for the PIC32MX family make this part suitable for medical designs with long product lifecycles.
Được đề xuất
Home Appliances & White Goods
The PIC32MX470F512HT-I/PT targets high-end home appliances (induction cooktops, washing machines, dishwasher control boards) where the combination of capacitive touch, motor-control PWM, and a rich UI is essential. Five PWM outputs drive inverter stages for variable-speed BLDC motors, while the dual ADC handles current sensing and temperature feedback. The 512 KB Flash stores advanced control algorithms (sensorless FOC, power-factor correction) plus UI strings and OTA-ready bootloaders. Industrial temperature rating -40C to +85C supports under-hood and outdoor appliance installations.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC32MX470F512HT-I/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 | PIC32MX470F512HT-120/PT | PIC32MX470F512H-I/PT | PIC32MX470F512HT-120I/PT | PIC32MX570F512L-I/PT |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-pin TQFP (10x10 mm) | 64-pin TQFP (10x10 mm) - same | 64-pin TQFP (10x10 mm) - same | 64-pin TQFP (10x10 mm) - same | 64-pin TQFP (10x10 mm) - same |
| Flash Memory | 512 KB | 512 KB | 512 KB | 512 KB | 512 KB |
| SRAM | 128 KB | 128 KB | 128 KB | 128 KB | 64 KB (-50%) |
| Maximum CPU Speed | 80 MHz | 100 MHz (+25%) | 80 MHz | 100 MHz (+25%) | 120 MHz (+50%) |
| Operating Temperature | -40C to +85C | 0C to +70C (commercial) | -40C to +85C | -40C to +85C | -40C to +85C |
| USB | USB 2.0 Full-Speed | USB 2.0 Full-Speed | USB 2.0 Full-Speed | USB 2.0 Full-Speed | USB 2.0 Full-Speed + HS |
| ADC | 2x 10-bit, 28 channels | 2x 10-bit, 28 channels | 2x 10-bit, 28 channels | 2x 10-bit, 28 channels | 2x 10-bit, 28 channels |
| Approx. Unit Price (qty 1) | $7.16 | $7.50 (approx) | $7.20 (approx) | $8.00 (approx) | $8.40 (approx) |
Bảo phân biệt quan trọng
- Combines CTMU capacitive touch + USB 2.0 Full-Speed on a single die (vsPIC32MX460F512LT-80I/PT)
- Highest SRAM in its speed/temperature class (vsPIC32MX570F512L-I/PT)
- 5 PWM outputs + dual analog comparators for motor control (vsPIC32MX350F256H-I/PT (256KB Flash, similar 64-pin TQFP))
Ghi chú thiết kế
Decouple the PIC32MX470F512HT-I/PT with one 100 nF ceramic + one 10 uF ceramic placed within 5 mm of each VDD/AVDD pin pair. According to Microchip PIC32MX470 datasheet section "Decoupling", the analog AVDD rail must be filtered with a ferrite bead or 10 ohm resistor from VDD to keep ADC noise below 1 LSB. Bulk 47 uF tantalum or polymer on each supply rail. Avoid switching the core frequency above 80 MHz on this speed grade - per the datasheet electrical characteristics, exceeding this reduces reliability at the lower VDD end of 2.3 V.
Route the 28 analog-capable pins (RB0-RB15, RA0-RA4) away from switching signals and PWM outputs to minimize ADC crosstalk. The Microchip PIC32MX3/4 hardware layout checklist recommends a ground pour under the analog section tied to AVSS, with separate analog and digital ground planes joined at one point. Place the 32.768 kHz crystal within 5 mm of SOSCI/SOSCO pins and guard the traces with a ground fence for the RTCC. The USB D+/D- lines must be a 90-ohm differential pair with maximum 3 mm length mismatch.
Do not connect MCLR directly to VDD; use a 10 kohm pull-up to VDD and a 100 nF to ground for proper reset behavior. Avoid programming mode entry by keeping PGECx/PGEDx traces short. Per the PIC32MX470 errata, revisions earlier than silicon A2 have an ADC offset issue that requires the OFFSET_TRIM register to be loaded from factory constants in the device config - check the errata sheet for your silicon revision. The CTMU module needs calibration via CTMU calibration routine in firmware before use.
The TQFP-64 package has a typical theta-JA of approximately 50 C/W on a 4-layer 1-oz PCB, dropping to 35 C/W with a 2-square-inch copper pad under the package. At maximum core activity (80 MHz, all peripherals active, USB streaming), typical power dissipation is 70 mW to 100 mW - well within industrial temperature limits. For closed enclosures, derate ambient temperature by 5C to 10C above 60C. Industrial -40C to +85C grade means junction must stay below +125C; design margin should keep Tj under +105C for long-life operation.
Thông tin tuân thủ
RoHS and lead-free per Microchip product page. Industrial temperature grade -40C to +85C. No AEC-Q100 qualification - automotive designs should consult Microchip's PIC32MX1xx/2xx automotive family.
