PIC32MX470F512L-I/PF - 32-Bit 80MHz 512KB Flash MCU | Microchip
N.º da peça: PIC32MX470F512L-I/PF ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $12.83 | $12,83 |
| 10 | $11.55 | $115,50 |
| 100 | $10.27 | $1.027,00 |
| 500 | $9.1 | $4.550,00 |
| 1.000 | $8.45 | $8.450,00 |
PIC32MX470F512L-I/PF Visão geral
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.
Alternativas drop-in para PIC32MX470F512L-I/PF — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com PIC32MX470F512L-I/PF (mesmo formato e footprint) — diferindo em Package, ADC, Core Architecture, Timers, Flash Program Memory.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC32MX470F512LT-I/PF
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$5.2 / unidade
Ver ficha técnica →PIC32MX470F512L-120I/PF
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC32MX470F512L-120/PF
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC32MX460F512L-80I/PT
✅ Drop-In✓ Em estoque
$6.05 / unidade
Ver ficha técnica →PIC32MX460F512L-80V/PT
✅ Drop-In✓ Em estoque
$9.8 / unidade
Ver ficha técnica →PIC32MX450F256L-V/PF
✅ Drop-In✓ Em estoque
$4.85 / unidade
Ver ficha técnica →PIC32MX450F256L-I/PF
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC32MX470F512L-I/PF Classificações máximas e características elétricas
| 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 |
| Encapsulamento | 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 |
| Status RoHS | Compliant |
Configuração de pinos do PIC32MX470F512L-I/PF
| Pino 1 | RG15 — General purpose I/O |
| Pino 2 | RG0 — General purpose I/O / PMP |
| Pino 3 | VSS — Ground |
| Pino 4 | VDD — Core logic power supply (2.3-3.6V) |
| Pino 5 | RA0 — Analog input / GPIO |
| Pino 6 | RA1 — Analog input / GPIO |
| Pino 7 | RA2 — Analog input / GPIO |
| Pino 8 | RA3 — Analog input / GPIO |
| Pino 9 | RA4 — Analog input / GPIO |
| Pino 10 | RA5 — Analog input / GPIO |
| Pino 11 | VSS — Ground |
| Pino 12 | VDD — Core logic power supply (2.3-3.6V) |
| Pino 13 | RB0 — GPIO / Programming |
| Pino 14 | RB1 — GPIO |
| Pino 15 | RB2 — GPIO |
| Pino 16 | RB3 — GPIO |
| Pino 17 | RB4 — GPIO |
| Pino 18 | RB5 — GPIO |
| Pino 19 | RB6 — GPIO |
| Pino 20 | RB7 — GPIO |
| Pino 21 | RB8 — GPIO |
| Pino 22 | RB9 — GPIO |
| Pino 23 | VSS — Ground |
| Pino 24 | VDD — Core logic power supply (2.3-3.6V) |
| Pino 25 | RB10 — GPIO |
| Pino 26 | RB11 — GPIO |
| Pino 27 | RB12 — GPIO |
| Pino 28 | RB13 — GPIO |
| Pino 29 | RB14 — GPIO |
| Pino 30 | RB15 — GPIO |
| Pino 31 | VSS — Ground |
| Pino 32 | VDD — Core logic power supply (2.3-3.6V) |
| Pino 33 | RC0 — GPIO |
| Pino 34 | RC1 — GPIO |
| Pino 35 | RC2 — GPIO |
| Pino 36 | RC3 — GPIO |
| Pino 37 | RC4 — GPIO |
| Pino 38 | RC5 — GPIO |
| Pino 39 | RC6 — GPIO |
| Pino 40 | RC7 — GPIO |
| Pino 41 | RC8 — GPIO |
| Pino 42 | RC9 — GPIO |
| Pino 43 | VSS — Ground |
| Pino 44 | VDD — Core logic power supply (2.3-3.6V) |
| Pino 45 | RC10 — GPIO |
| Pino 46 | RC11 — GPIO |
| Pino 47 | RC12 — GPIO |
| Pino 48 | RC13 — GPIO |
| Pino 49 | RC14 — GPIO |
| Pino 50 | RC15 — GPIO |
| Pino 51 | VSS — Ground |
| Pino 52 | VDD — Core logic power supply (2.3-3.6V) |
| Pino 53 | RD0 — GPIO / PMP |
| Pino 54 | RD1 — GPIO / PMP |
| Pino 55 | RD2 — GPIO / PMP |
| Pino 56 | RD3 — GPIO / PMP |
| Pino 57 | RD4 — GPIO / PMP |
| Pino 58 | RD5 — GPIO / PMP |
| Pino 59 | RD6 — GPIO / PMP |
| Pino 60 | RD7 — GPIO / PMP |
| Pino 61 | RD8 — GPIO / PMP |
| Pino 62 | RD9 — GPIO / PMP |
| Pino 63 | RD10 — GPIO / PMP |
| Pino 64 | RD11 — GPIO / PMP |
| Pino 65 | VSS — Ground |
| Pino 66 | VDD — Core logic power supply (2.3-3.6V) |
| Pino 67 | RD12 — GPIO / PMP |
| Pino 68 | RD13 — GPIO / PMP |
| Pino 69 | RD14 — GPIO / PMP |
| Pino 70 | RD15 — GPIO / PMP |
| Pino 71 | VSS — Ground |
| Pino 72 | VDD — Core logic power supply (2.3-3.6V) |
| Pino 73 | RE0 — GPIO / PMP |
| Pino 74 | RE1 — GPIO / PMP |
| Pino 75 | RE2 — GPIO / PMP |
| Pino 76 | RE3 — GPIO / PMP |
| Pino 77 | RE4 — GPIO / PMP |
| Pino 78 | RE5 — GPIO / PMP |
| Pino 79 | RE6 — GPIO / PMP |
| Pino 80 | RE7 — GPIO / PMP |
| Pino 81 | VSS — Ground |
| Pino 82 | VDD — Core logic power supply (2.3-3.6V) |
| Pino 83 | RF0 — GPIO |
| Pino 84 | RF1 — GPIO |
| Pino 85 | RF2 — GPIO / USB VBUS detect |
| Pino 86 | RF3 — GPIO / USB ID |
| Pino 87 | RF4 — GPIO / USB D- |
| Pino 88 | RF5 — GPIO / USB D+ |
| Pino 89 | RF6 — GPIO |
| Pino 90 | RF7 — GPIO |
| Pino 91 | RF8 — GPIO |
| Pino 92 | VSS — Ground |
| Pino 93 | VDD — Core logic power supply (2.3-3.6V) |
| Pino 94 | RG0 — GPIO |
| Pino 95 | RG1 — GPIO |
| Pino 96 | RG2 — GPIO / D+ |
| Pino 97 | RG3 — GPIO / D- |
| Pino 98 | RG6 — GPIO / SCLK |
| Pino 99 | RG7 — GPIO / SDI |
| Pino 100 | RG8 — GPIO / SDO |
Aplicações típicas
PIC32MX470F512L-I/PF é adequado para 6 aplicaçãos: 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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC32MX470F512L-I/PF — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | 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 |
Principais diferenciais
- Highest pin count in the PIC32MX470 family (vs PIC32MX470F512H-I/MR (64-pin QFN))
- Lower power / cooler operation than -120 grade (vs PIC32MX470F512L-120I/PF)
- 512 KB Flash with full peripheral set (vs PIC32MX450F256L-I/PF)
Notas de projeto
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.
Informações de conformidade
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.
