PIC32MX470F512LT-I/PF - 32-bit MCU 512KB Flash 100MHz TQFP-100 | Microchip
N.º de pieza: PIC32MX470F512LT-I/PF ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $8.95 | $8,95 |
| 10 | $8.05 | $80,50 |
| 100 | $7.18 | $718,00 |
| 500 | $6.45 | $3.225,00 |
| 1.000 | $5.82 | $5.820,00 |
| 3.000 | $5.2 | $15.600,00 |
PIC32MX470F512LT-I/PF Descripción general
A 32-bit microcontroller (MCU) is an integrated processor core with program memory (Flash), data memory (SRAM), and on-chip peripherals designed for real-time control of embedded systems. PIC32MX devices sit in the hierarchy: MCU -> 32-bit MCU -> MIPS M4K architecture -> PIC32 family -> PIC32MX3/4 sub-family -> PIC32MX470 variant. They compete in the space between traditional 8/16-bit MCUs and Cortex-M3 class devices, offering deterministic interrupt response with DSP-like arithmetic capability and a mature MPLAB X IDE toolchain.
Key features include Peripheral Pin Select (PPS) for flexible digital I/O remapping, PMP for graphics interfaces, RTCC for real-time clock, four 16-bit timers, five IC/OC/PWM modules, two UART modules, and JTAG/ICSP debugging. The CTMU enables capacitive touch sensing for HMI panels, while the USB-OTG controller supports device, host, and On-The-Go roles - eliminating external bridge chips for HID, CDC, or mass-storage applications.
Architecturally, the M4K core runs the MIPS32 instruction set with optional MIPS16e mode, achieving up to 40% code compression versus pure 32-bit code. The 100 MHz operation provides 76 CoreMark at typical conditions; Flash is single-cycle accessible via a tightly-coupled prefetch buffer, and SRAM includes DMA-friendly regions mapped to peripheral buses. Low-power Sleep and Idle modes cut quiescent current for battery-backed designs.
Typical applications include USB peripherals (HID keypads, mass storage, CDC virtual COM ports), audio processing via I2S codec interfaces, HMI touch panels using CTMU, embedded graphics with PMP-connected LCDs, and industrial control loops needing 10-bit ADC with PWM outputs. The wide peripheral set lets one chip replace a discrete MCU plus USB controller.
When designing with this device, ensure the 0.50 mm TQFP-100 footprint is compatible with your PCB assembly process and that the 2.3-3.6 V supply is well-decoupled with 100 nF + bulk capacitors placed within 5 mm of each VDD/VSS pair. The PPS system lets you remap peripherals after PCB fabrication, but plan pin usage early to avoid runtime conflicts.
This page consolidates distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a single reference for selecting the PIC32MX470F512LT-I/PF in production.
Alternativas directas para PIC32MX470F512LT-I/PF — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con PIC32MX470F512LT-I/PF (mismo factor de forma y huella) — difiere en Package, ADC, I/O Pins, Operating Temperature Range, USB.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
PIC32MX470F512LT-120/PF
✅ Sustitución directa✓ En stock
$5.9 / unidad
Ver hoja de datos →PIC32MX470F512L-I/PF
✅ Sustitución directa✓ En stock
$8.45 / unidad
Ver hoja de datos →PIC32MX470F512LT-I/PT
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$5.84 / unidad
Ver hoja de datos →PIC32MX370F512LT-I/PF
✅ Sustitución directa✓ En stock
$4.55 / unidad
Ver hoja de datos →PIC32MX460F512LT-80I/PF
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC32MX470F512L-120/PT
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$5.71 / unidad
Ver hoja de datos →PIC32MX470F512LT-I/PF Valores máximos y características eléctricas
| Core Architecture | MIPS32 M4K 32-bit |
| Maximum CPU Speed | 120 MHz (150 DMIPS) |
| Program Memory (Flash) | 512 KB (512K x 8) |
| Boot Flash | 12 KB |
| Data Memory (SRAM) | 128 KB |
| Operating Voltage | 2.3 V to 3.6 V |
| Temperatura de funcionamiento | -40C to +105C (Industrial) |
| ADC Channels | 28 channels, 10-bit |
| Analog Comparators | 2 |
| I2C Modules | 2 |
| SPI / I2S Modules | 2 (configurable SPI or I2S) |
| UART Modules | 2 |
| USB | USB 2.0 Full-Speed OTG controller |
| Timers | 4 x 16-bit, 5 x Input Capture/Output Compare/PWM |
| CTMU | Charge Time Measurement Unit (touch sensing) |
| PMP | Parallel Master Port (graphics interface) |
| PPS | Peripheral Pin Select (remappable digital I/O) |
| RTCC | Real-Time Clock and Calendar |
| Encapsulado | TQFP-100 (14x14 mm, 0.50 mm pitch) |
| Tipo de montaje | Surface Mount |
| Estado RoHS | Compliant |
| ICSP / JTAG | Yes (In-Circuit Serial Programming + JTAG) |
Guía de configuración de pines de PIC32MX470F512LT-I/PF tqfp-100 (14x14 mm, 0.50 mm pitch)
Configuración de pines para PIC32MX470F512LT-I/PF (encapsulado tqfp-100 (14x14 mm, 0.50 mm pitch)). Este CI digital incluye GPIO, interfaces de comunicación (UART, SPI, I2C) y pines de alimentación. Consulte la hoja de datos del fabricante para conocer las funciones alternativas de los pines y las opciones de configuración. Esencial para el diseño de sistemas embebidos y el diseño de PCB.
No hay datos detallados de patillaje disponibles para PIC32MX470F512LT-I/PF.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
PIC32MX470F512LT-I/PF es adecuado para 6 aplicacións: USB HID Peripheral Devices, Audio Processing with I2S Codecs, HMI Touch Panels with CTMU, Embedded Graphics with PMP, Industrial Control and Sensing, Battery-Powered USB Devices.
USB HID Peripheral Devices
The PIC32MX470F512LT-I/PF is ideal for USB HID peripherals (keyboards, mice, custom input devices) thanks to the integrated USB 2.0 Full-Speed OTG controller, 120 MHz MIPS M4K core, and 128 KB SRAM. Microchip's free Harmony framework provides a production-ready HID stack that runs entirely from internal memory. The CTMU module can also drive capacitive touch buttons without external ICs, and 28 ADC channels support analog joysticks or potentiometer readouts.
Recomendado
Audio Processing with I2S Codecs
The PIC32MX470F512LT-I/PF's two I2S/SPI modules make it a strong fit for digital audio processing and codec interfacing. Audio sample rates up to 192 kHz at 24-bit depth are achievable at 120 MHz using DMA-driven I2S transfers, with the 128 KB SRAM serving as a sample buffer. Pair with an external DAC like the TI PCM5102A or a MEMS microphone for full-duplex audio capture/playback paths in consumer audio accessories or intercom systems.
Recomendado
HMI Touch Panels with CTMU
The PIC32MX470F512LT-I/PF integrates a Charge Time Measurement Unit (CTMU) that simplifies capacitive touch sensing on keypads, sliders, and wheel interfaces. Combined with the 28-channel ADC and 512 KB Flash, a single chip can implement a complete 20-button touch panel with custom gesture recognition. The Peripheral Pin Select (PPS) feature allows touch channels to be reassigned to different pins in firmware, simplifying PCB layout and BOM optimization.
Recomendado
Embedded Graphics with PMP
The PIC32MX470F512LT-I/PF features a Parallel Master Port (PMP) for direct interface to small LCDs and TFT panels up to 480x272 resolution. With 128 KB SRAM and 120 MHz CPU, it can drive a QVGA TFT at 30+ fps from internal frame buffers without external memory. Combined with USB for touch panel data, this enables complete human-machine interface products in industrial controls, medical devices, and consumer appliances.
Recomendado
Industrial Control and Sensing
The PIC32MX470F512LT-I/PF targets industrial control with 28 ADC channels, two analog comparators for hardware-overcurrent protection, 5 PWM outputs for motor drive, and RTCC for time-stamped data acquisition. The industrial -40C to +105C temperature grade (I suffix) ensures reliable operation in factory automation, sensor transmitters, and motor control loops. The 512 KB program memory supports Modbus, CANopen, or EtherCAT slave stacks without external memory.
Recomendado
Battery-Powered USB Devices
The PIC32MX470F512LT-I/PF's low-power Sleep and Idle modes, combined with 2.3-3.6 V operation, suit battery-powered USB devices such as data loggers, BLE-USB bridges, or portable measurement tools. The USB OTG controller negotiates charging current with the host, while RTCC maintains time-of-day in deep sleep at under 1 uA. With 128 KB SRAM, the device can buffer significant measurement data before transmitting over USB.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para PIC32MX470F512LT-I/PF — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | PIC32MX470F512LT-120/PF | PIC32MX470F512L-I/PF | PIC32MX370F512LT-I/PF | PIC32MX460F512LT-80I/PF |
|---|---|---|---|---|---|
| Package | TQFP-100 (14x14 mm, 0.50 mm pitch) | TQFP-100 (14x14 mm) - same | TQFP-100 (14x14 mm) - same | TQFP-100 (14x14 mm) - same | TQFP-100 (14x14 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 120 MHz / 150 DMIPS | 120 MHz | 120 MHz | 80 MHz (-33%) | 80 MHz (-33%) |
| Flash Memory | 512 KB | 512 KB | 512 KB | 512 KB | 512 KB |
| SRAM | 128 KB | 128 KB | 128 KB | 128 KB | 32 KB (-75%) |
| USB 2.0 OTG | Yes (Full-Speed OTG) | Yes | Yes | Yes | No (USB FS device only) |
| ADC Channels | 28 | 28 | 28 | 28 | 16 (-43%) |
| Operating Temperature | -40C to +105C (Industrial) | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C |
| Packaging Format | Tape & Reel | Tape & Reel | Tray | Tape & Reel | Tape & Reel |
Diferenciadores clave
- Highest speed grade in PIC32MX470 family (frente a PIC32MX370F512LT-I/PF)
- Full USB 2.0 OTG with host and device roles (frente a PIC32MX460F512LT-80I/PF)
- Tape-and-reel packaging for SMT assembly (frente a PIC32MX470F512L-I/PF)
Notas de diseño
The PIC32MX470F512LT-I/PF requires 2.3 V to 3.6 V on VDD; place a 100 nF ceramic decoupling capacitor within 5 mm of each VDD/VSS pair, and a single 10 uF bulk capacitor near the package. The on-board LDO regulator (1.8 V internal) needs its own 1 uF capacitor on VDDCORE pin. Inadequate decoupling can cause Flash read errors at 120 MHz.
Route the 12 MHz primary oscillator traces symmetrically with ground guarding and keep traces under 10 mm. Use a 4-layer composite where one inner layer is a solid ground plane adjacent to the TQFP-100 to keep EMI low. The TQFP-100 with 0.50 mm pitch requires a minimum trace-to-pad clearance of 0.20 mm for low-volume reflow.
Do not exceed the absolute maximum supply of 3.6 V on VDD, even transiently; a 3.9 V zener on the rail is recommended for hot-plug protection. The USB D+/D- lines require 90-ohm differential impedance matching; failure to do so degrades USB signal integrity at Full-Speed. PPS remapping must be configured before peripheral enable or behavior is undefined.
Información de cumplimiento
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified (industrial grade only); for automotive applications use AEC-Q100-qualified PIC32MX variants from the same family.
