PIC32MX470F512L-I/PF - 32-Bit 80MHz 512KB Flash MCU | Microchip
MPN: PIC32MX470F512L-I/PF ✓ Hoạt độngPIC32MX470F512L-I/PF Tóm tắt
A microcontroller (MCU) is a single-chip computer integrating a CPU core, program memory, data memory, and configurable peripherals. The PIC32MX3/4 family sits in the hierarchy: microcontroller -> 32-bit MCU -> MIPS M4K core -> PIC32MX family -> Microchip 32-bit portfolio. These devices target human-machine interface (HMI), audio, USB connectivity, and advanced analog applications, bridging the gap between 8/16-bit MCUs and higher-cost application processors.
Key features include five 16-bit timers/counters, five input capture and five output compare modules, a 16-bit Parallel Master Port, JTAG and 2-wire programming/debug, and an operating range of 2.3V to 3.6V. The industrial temperature grade (-I) supports -40C to +85C operation, suitable for commercial and industrial embedded designs. The peripheral set is engineered for low-power and connected applications where integration reduces BOM cost.
Architecturally, the PIC32MX470 uses a Harvard-style MIPS32 M4K core with separate 32-bit instruction and data paths, hardware multiply/divide, and tightly-coupled peripherals accessible via a high-bandwidth bus matrix. Code execution is held in 512 KB Flash, while 128 KB SRAM supports large data buffers required for USB, audio streaming, or graphical UI rendering.
Typical applications include USB audio devices (USB headphones, microphones, mixing consoles), HMI panels with touch and graphical LCDs, industrial control with USB logging, low-cost embedded instrumentation, and connected sensor hubs. The wide peripheral set allows a single chip to replace external logic, shrinking BOM and PCB area.
When designing with this MCU, mind the 3.3V supply rail requirement, route the USB DP/DM pair with 90 ohm differential impedance, and reserve the I2S pins if audio streaming is needed. Decouple VDD/VSS pairs with 100 nF plus bulk capacitors near the package, and consult Microchip's PIC32MX3/4/5/6/7 family reference manual for peripheral configuration details.
This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and design notes not collected on the manufacturer datasheet to accelerate your selection of the PIC32MX470F512L-I/PF.
Bộ thay thế dễ dàng lắp đặt cho PIC32MX470F512L-I/PF — 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 PIC32MX470F512L-I/PF (cùng hình factor và footprint) — khác nhau ở Package, ADC, Core Architecture, Timers, Flash Program Memory.
PIC32MX470F512LT-I/PF
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC32MX470F512L-120I/PF
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC32MX470F512L-120/PF
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC32MX460F512L-80I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC32MX460F512L-80V/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC32MX450F256L-V/PF
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC32MX450F256L-I/PF
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC32MX470F512L-I/PF Tỷ lệ tối đa & tính chất điện
| Core | MIPS32 M4K 32-bit |
| Core Speed (I/PF grade) | 80 MHz |
| Core Speed (-120 grade) | 120 MHz |
| Performance | 150 DMIPS |
| Flash Program Memory | 512 KB (512K x 8) |
| SRAM | 128 KB |
| Operating Voltage | 2.3 V to 3.6 V |
| Hộp | 100-pin TQFP (14x14 mm, PF) |
| Operating Temperature (I grade) | -40C to +85C |
| I/O Pins | 85 (maximum, package-dependent) |
| ADC | 10-bit, up to 1 Msps, up to 28 channels |
| Analog Comparators | 2 |
| USB | USB 2.0 Full-Speed OTG |
| UART | 6 |
| SPI / I2S | 2 (I2S-capable) |
| I2C | 2 |
| Timers | 5 x 16-bit |
| Input Capture / Output Compare | 5 / 5 |
| Parallel Master Port (PMP) | Yes (16-bit) |
| Programming/Debug | JTAG + 2-wire ICSP |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC32MX470F512L-I/PF
| Chân 1 | RG15 — General purpose I/O |
| Chân 2 | RG0 — General purpose I/O / PMP |
| Chân 3 | VSS — Ground |
| Chân 4 | VDD — Core logic power supply (2.3-3.6V) |
| Chân 5 | RA0 — Analog input / GPIO |
| Chân 6 | RA1 — Analog input / GPIO |
| Chân 7 | RA2 — Analog input / GPIO |
| Chân 8 | RA3 — Analog input / GPIO |
| Chân 9 | RA4 — Analog input / GPIO |
| Chân 10 | RA5 — Analog input / GPIO |
| Chân 11 | VSS — Ground |
| Chân 12 | VDD — Core logic power supply (2.3-3.6V) |
| Chân 13 | RB0 — GPIO / Programming |
| Chân 14 | RB1 — GPIO |
| Chân 15 | RB2 — GPIO |
| Chân 16 | RB3 — GPIO |
| Chân 17 | RB4 — GPIO |
| Chân 18 | RB5 — GPIO |
| Chân 19 | RB6 — GPIO |
| Chân 20 | RB7 — GPIO |
| Chân 21 | RB8 — GPIO |
| Chân 22 | RB9 — GPIO |
| Chân 23 | VSS — Ground |
| Chân 24 | VDD — Core logic power supply (2.3-3.6V) |
| Chân 25 | RB10 — GPIO |
| Chân 26 | RB11 — GPIO |
| Chân 27 | RB12 — GPIO |
| Chân 28 | RB13 — GPIO |
| Chân 29 | RB14 — GPIO |
| Chân 30 | RB15 — GPIO |
| Chân 31 | VSS — Ground |
| Chân 32 | VDD — Core logic power supply (2.3-3.6V) |
| Chân 33 | RC0 — GPIO |
| Chân 34 | RC1 — GPIO |
| Chân 35 | RC2 — GPIO |
| Chân 36 | RC3 — GPIO |
| Chân 37 | RC4 — GPIO |
| Chân 38 | RC5 — GPIO |
| Chân 39 | RC6 — GPIO |
| Chân 40 | RC7 — GPIO |
| Chân 41 | RC8 — GPIO |
| Chân 42 | RC9 — GPIO |
| Chân 43 | VSS — Ground |
| Chân 44 | VDD — Core logic power supply (2.3-3.6V) |
| Chân 45 | RC10 — GPIO |
| Chân 46 | RC11 — GPIO |
| Chân 47 | RC12 — GPIO |
| Chân 48 | RC13 — GPIO |
| Chân 49 | RC14 — GPIO |
| Chân 50 | RC15 — GPIO |
| Chân 51 | VSS — Ground |
| Chân 52 | VDD — Core logic power supply (2.3-3.6V) |
| Chân 53 | RD0 — GPIO / PMP |
| Chân 54 | RD1 — GPIO / PMP |
| Chân 55 | RD2 — GPIO / PMP |
| Chân 56 | RD3 — GPIO / PMP |
| Chân 57 | RD4 — GPIO / PMP |
| Chân 58 | RD5 — GPIO / PMP |
| Chân 59 | RD6 — GPIO / PMP |
| Chân 60 | RD7 — GPIO / PMP |
| Chân 61 | RD8 — GPIO / PMP |
| Chân 62 | RD9 — GPIO / PMP |
| Chân 63 | RD10 — GPIO / PMP |
| Chân 64 | RD11 — GPIO / PMP |
| Chân 65 | VSS — Ground |
| Chân 66 | VDD — Core logic power supply (2.3-3.6V) |
| Chân 67 | RD12 — GPIO / PMP |
| Chân 68 | RD13 — GPIO / PMP |
| Chân 69 | RD14 — GPIO / PMP |
| Chân 70 | RD15 — GPIO / PMP |
| Chân 71 | VSS — Ground |
| Chân 72 | VDD — Core logic power supply (2.3-3.6V) |
| Chân 73 | RE0 — GPIO / PMP |
| Chân 74 | RE1 — GPIO / PMP |
| Chân 75 | RE2 — GPIO / PMP |
| Chân 76 | RE3 — GPIO / PMP |
| Chân 77 | RE4 — GPIO / PMP |
| Chân 78 | RE5 — GPIO / PMP |
| Chân 79 | RE6 — GPIO / PMP |
| Chân 80 | RE7 — GPIO / PMP |
| Chân 81 | VSS — Ground |
| Chân 82 | VDD — Core logic power supply (2.3-3.6V) |
| Chân 83 | RF0 — GPIO |
| Chân 84 | RF1 — GPIO |
| Chân 85 | RF2 — GPIO / USB VBUS detect |
| Chân 86 | RF3 — GPIO / USB ID |
| Chân 87 | RF4 — GPIO / USB D- |
| Chân 88 | RF5 — GPIO / USB D+ |
| Chân 89 | RF6 — GPIO |
| Chân 90 | RF7 — GPIO |
| Chân 91 | RF8 — GPIO |
| Chân 92 | VSS — Ground |
| Chân 93 | VDD — Core logic power supply (2.3-3.6V) |
| Chân 94 | RG0 — GPIO |
| Chân 95 | RG1 — GPIO |
| Chân 96 | RG2 — GPIO / D+ |
| Chân 97 | RG3 — GPIO / D- |
| Chân 98 | RG6 — GPIO / SCLK |
| Chân 99 | RG7 — GPIO / SDI |
| Chân 100 | RG8 — GPIO / SDO |
Ứng dụng tiêu biểu
PIC32MX470F512L-I/PF phù hợp cho 6 Áp dụngs: USB Audio Devices (Headphones, Headsets, Mixers), HMI Panels with Touch and Graphical LCD, Industrial Control with USB Data Logging, Low-Cost Embedded Instrumentation, Connected Sensor Hubs / IoT Gateways, Audio/Graphics Development Prototyping (USB PIM).
USB Audio Devices (Headphones, Headsets, Mixers)
The PIC32MX470F512L-I/PF is a strong fit for USB audio peripherals because it integrates USB 2.0 full-speed OTG with the 100-pin TQFP exposing DP/DM pins, alongside two I2S ports for digital audio paths at up to 48 kHz / 24-bit. Its 128 KB SRAM holds multiple audio streaming buffers without off-chip memory, while the MIPS32 M4K core at 80 MHz runs USB stack + I2S DMA + user DSP with margin. Placed as the central MCU with an external DAC such as the PCM5101A or codec like the SGTL5000, it removes the need for an external USB audio bridge. Designers should route the 90-ohm USB differential pair carefully and add ferrite beads on VBUS.
Được đề xuất
HMI Panels with Touch and Graphical LCD
The PIC32MX470F512L-I/PF drives graphical HMI panels via its 16-bit Parallel Master Port (PMP), which can directly interface TFT LCDs up to 480x272 without an external controller. With 512 KB Flash and 128 KB SRAM, frame buffers and UI assets fit on-chip; the 10-bit ADC with up to 28 channels supports resistive touch acquisition. The 100-pin TQFP exposes all PMP data and control lines. Compared to higher-cost MPU solutions, the PIC32MX470 reduces BOM by integrating USB for touch panel firmware updates and offering enough MIPS for smooth UI rendering.
Được đề xuất
Industrial Control with USB Data Logging
The PIC32MX470F512L-I/PF is well-suited to industrial control plus USB data logging because its industrial -40C to +85C operating range and 100-pin TQFP support up to 85 I/O and 28 ADC channels. It can scan sensors, run PID loops on the 32-bit MIPS core, and stream logs over USB OTG as a mass storage device. The 6 UART and 2 SPI/I2C connect to RS485 transceivers, sensors, and external peripherals; the 128 KB SRAM holds minutes of timestamped logs at typical sample rates. Pair it with an isolation IC such as ADM3251E for robust industrial field interfaces.
Được đề xuất
Low-Cost Embedded Instrumentation
For test and measurement instruments in the bench-top or field-portable class, the PIC32MX470F512L-I/PF integrates a 10-bit 1 Msps ADC, two analog comparators, PMP for external LCD, and USB for PC connectivity in one package. The MIPS32 M4K at 80 MHz performs FFTs, RMS calculations, and UI refresh at high refresh rates. The 512 KB Flash stores calibration tables and UI strings; 128 KB SRAM captures waveform snapshots. Choose PIC32MX470F512L-120/PF if your DSP needs demand 50% more compute.
Được đề xuất
Connected Sensor Hubs / IoT Gateways
The PIC32MX470F512L-I/PF acts as a local sensor hub aggregating I2C, SPI, and analog sensors then forwarding data over USB to a host PC or gateway. The 100-pin TQFP and 80 MHz MIPS core support dozens of sensors concurrently with 2.3-3.6V operation suitable for battery-friendly designs. USB OTG lets the device enumerate as a virtual COM port or HID, removing custom driver work. The 128 KB SRAM accommodates message queues for high-rate sampling without dropping frames.
Được đề xuất
Audio/Graphics Development Prototyping (USB PIM)
Microchip's PIC32MX470F512L 100-pin TQFP USB Plug-In Module (PIM) targets audio and graphics prototyping on the Explorer 16/32 board. The PIC32MX470F512L-I/PF directly mates with this PIM, exposing USB, PMP, and all peripherals to the developer out-of-box. 512 KB Flash and 128 KB SRAM support the entire USB stack plus audio/graphics demo firmware without external memory. Developers benefit from the same firmware portable to volume 100-pin TQFP designs.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC32MX470F512L-I/PF — 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 | PIC32MX470F512LT-I/PF | PIC32MX470F512L-120I/PF | PIC32MX460F512L-80I/PT | PIC32MX450F256L-I/PF |
|---|---|---|---|---|---|
| Package | TQFP-100 (PF, 14x14 mm) | TQFP-100 (PF) - same | TQFP-100 (PF) - same | TQFP-100 (PT) - same footprint | TQFP-100 (PF) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Speed | 80 MHz | 80 MHz | 120 MHz | 80 MHz | 80 MHz |
| Flash | 512 KB | 512 KB | 512 KB | 512 KB | 256 KB |
| SRAM | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB (verify) |
| USB | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG (peripheral-variant) |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Bảo phân biệt quan trọng
- Highest pin count in the PIC32MX470 family (vsPIC32MX470F512H-I/MR (64-pin QFN))
- Lower power / cooler operation than -120 grade (vsPIC32MX470F512L-120I/PF)
- 512 KB Flash with full peripheral set (vsPIC32MX450F256L-I/PF)
Ghi chú thiết kế
Power the PIC32MX470F512L-I/PF from a clean 3.3V rail. Decouple each VDD/VSS pair with 100 nF ceramic plus a 4.7 uF bulk near the package. For USB designs, derive 3.3V from VBUS via a low-dropout regulator (e.g. MCP1700-3302E) and add a ferrite bead to isolate digital noise. Estimated: at 80 MHz with USB active, peak IDD is around 60-70 mA - confirm via Microchip family datasheet power tables before finalizing the LDO current rating.
Route the USB differential pair (D+ / D-) with 90 ohm differential impedance, matched lengths, and a continuous ground reference plane beneath. Place the 27 ohm series termination resistors near the MCU pins. Keep high-speed traces (I2S, SPI) short and avoid crossing power planes. The 100-pin TQFP (14x14 mm) has generous clearance for hand-routable escape on a 4-layer board.
Do not assume USB VBUS is 5V tolerant at MCU pins - the PIC32MX470F512L operates at 2.3-3.6V; connect VBUS only through proper USB transceiver input pins. The 10-bit ADC accuracy degrades above 1 Msps and on channels shared with digital functions - sample with 0.1 uF hold capacitors externally for high precision. Always enable the JTAG/ICSP pull-ups correctly to avoid accidental reset.
Place a ground guard ring around the analog ADC pins and route them away from switching signals. Use a separate analog ground island tied to digital ground at a single point near the MCU's VSS pins. The PMP bus for graphical LCDs is best routed as parallel-matched traces, with control signals (RD, WR, CS) using series resistors for impedance control.
Thông tin tuân thủ
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified; for automotive, evaluate PIC32MK or SAM E70 family. Halogen-free status not explicitly stated in retrieved data.
