PIC32MX470F512HT-I/MR - 32-bit MCU 80MHz 512KB Flash 64-QFN
N.º da peça: PIC32MX470F512HT-I/MR ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $9.95 | $9,95 |
| 10 | $8.97 | $89,70 |
| 100 | $8.21 | $821,00 |
| 500 | $7.51 | $3.755,00 |
| 1.000 | $6.85 | $6.850,00 |
PIC32MX470F512HT-I/MR Visão geral
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, volatile memory (RAM), non-volatile program memory (Flash), and a configurable set of peripheral interfaces. PIC32MX devices belong to the Microchip 32-bit MCU portfolio that bridges 8/16-bit PIC and 32-bit ARM Cortex-M solutions, delivering 1.56 DMIPS/MHz through the MIPS32 M4K core. Within the broader taxonomy, a microcontroller is a sub-class of microprocessor that places computing, memory and I/O on a single die, sitting under the parent category of embedded processors in the semiconductor hierarchy.
Key features include single-cycle hardware multiply/divide, a 16-channel DMA controller, a 10-bit 1 MSPS ADC with up to 28 analog inputs, a CTMU for capacitive touch measurement, and a peripheral pin select (PPS) engine allowing digital functions to be remapped onto any GPIO. The device also integrates a full-speed USB 2.0 OTG controller with on-chip transceiver, eliminating the need for external PHY chips.
Architecturally the PIC32MX470 uses a 5-stage pipelined M4K core with separate instruction and data buses for Flash, prefetch cache and a tightly-coupled SRAM subsystem. The USB OTG, CAN and PMP (parallel master port) blocks share DMA channels, and the PPS crossbar allows flexible peripheral-to-pin assignment. The 64-QFN package exposes 49 usable I/O pins and provides a thermal pad rated at 24.4 C/W theta_JB for moderate-power industrial environments.
Typical applications include USB peripherals such as HID and CDC class devices, audio playback with I2S DACs, capacitive-touch human-machine interfaces, industrial control panels, and low-cost graphics terminals with PMP-driven TFT displays. The Curiosity PIC32MX470 Development Board (DM320103) provides a proven reference design for prototyping these scenarios.
A key design consideration when selecting this device is to validate PPS remapping constraints for simultaneously active peripherals, and to ensure the 5V-tolerant I/O bank is used for signals interfacing with legacy 5V logic, since USB D+/D- pins are 5V tolerant but standard GPIO are not.
Alternativas drop-in para PIC32MX470F512HT-I/MR — 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 PIC32MX470F512HT-I/MR (mesmo formato e footprint) — diferindo em Package, Timers, ADC, Parallel Master Port (PMP), Operating Temperature Range.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC32MX470F512H-I/MR
✅ Drop-In✓ Em estoque
$5.08 / unidade
Ver ficha técnica →PIC32MX470F512HT-100I/MR
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC32MX470F512HT-120I/MR
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC32MX470F512HT-120/PT
✅ Drop-In✓ Em estoque
$5.55 / unidade
Ver ficha técnica →PIC32MX450F256HT-I/MR
✅ Drop-In✓ Em estoque
$4.2 / unidade
Ver ficha técnica →PIC32MX270F512HT-50I/MR
✅ Drop-In✓ Em estoque
$4.74 / unidade
Ver ficha técnica →PIC32MX470F512HT-I/MR Classificações máximas e características elétricas
| Core | MIPS32 M4K 32-bit RISC |
| Core Frequency | 80 MHz (up to 150 DMIPS) |
| Instruction Set | MIPS32 (M4K core) |
| Flash Memory | 512 KB |
| SRAM | 128 KB |
| Operating Voltage | 2.5 V / 3.3 V (typical 2.3V-3.6V) |
| I/O Pins | 49 |
| ADC | 10-bit, 1 MSPS, up to 28 channels |
| Analog Comparators | 2 |
| USB | USB 2.0 Full-Speed OTG with on-chip transceiver |
| SPI/I2S | 2 channels |
| I2C | 2 channels |
| UART | 2 channels |
| DMA Channels | 16 |
| Timers | Five 16-bit timer/counters |
| Faixa de temperatura de operação | -40C to +85C (Industrial, "-I") |
| Encapsulamento | 64-pin QFN (9x9 mm), tape-and-reel |
| Tipo de montagem | Surface Mount |
| Status RoHS | Compliant |
| Lead-Free / Halogen-Free | Yes / Yes |
| Feature Set | HMI (USB + I2S + Graphics PMP) |
| Development Kit | DM320103 Curiosity Development Board |
Guia de Configuração de Pinos do PIC32MX470F512HT-I/MR 64-pin qfn (9x9 mm), tape-and-reel
Configuração de pinos para PIC32MX470F512HT-I/MR (pacote 64-pin qfn (9x9 mm), tape-and-reel). Este CI digital inclui GPIO, interfaces de comunicação (UART, SPI, I2C) e pinos de alimentação. Consulte o datasheet do fabricante para funções alternativas dos pinos e opções de configuração. Essencial para projeto de sistemas embarcados e layout de PCB.
Nenhum dado detalhado de pinagem disponível para PIC32MX470F512HT-I/MR.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
PIC32MX470F512HT-I/MR é adequado para 6 aplicaçãos: USB HID Peripherals, Audio Playback with I2S DAC, Capacitive-Touch HMI Panels, Industrial Control Panels, Low-Cost Graphics TFT Terminals, Audio/Graphics/Touch Reference Designs.
USB HID Peripherals
The PIC32MX470F512HT-I/MR is ideal for USB Human Interface Device (HID) class peripherals such as keyboards, mice, gamepads, and custom input devices because it integrates a full-speed USB 2.0 OTG controller with on-chip transceiver that eliminates external PHY cost. According to the family datasheet, the USB OTG block supports control, interrupt, bulk, and isochronous transfers with up to 16 DMA channels for endpoint data movement. At 80 MHz MIPS32 M4K core the firmware easily handles HID report parsing, debouncing, and LED animations within tight USB frame timing. Place a 1.5 kohm pull-up on D+ for full-speed enumeration and a USBLC6-2SC05 ESD array on the connector pins. Versus an external USB chip, the integrated OTG reduces BOM by ~$1 and frees I/O for matrix scanning.
Recomendado
Audio Playback with I2S DAC
The PIC32MX470F512HT-I/MR suits digital audio playback applications because its two I2S interfaces support 16/24/32-bit audio samples at common rates (8 kHz to 192 kHz), and the 128 KB SRAM can buffer at least one second of compressed audio data. According to the Microchip family datasheet (DS61143H), I2S blocks interface directly to external stereo DACs such as the Texas Instruments PCM5102A or Cirrus Logic CS4344 without glue. The 16-channel DMA controller offloads sample transfer so the M4K core is free for codec control via I2C and user-interface tasks. At 80 MHz the core can decode Ogg Vorbis or SBC streams in real time. Place a 22uF low-ESR cap on each AVDD pin for clean DAC analog supply, and route I2S clock lines as 50-ohm controlled impedance.
Recomendado
Capacitive-Touch HMI Panels
The PIC32MX470F512HT-I/MR fits capacitive touch human-machine interface (HMI) designs thanks to its integrated CTMU (Charge Time Measurement Unit) and 28-channel 10-bit ADC. According to Microchip documentation, the CTMU drives sensor electrodes via charge timing measurement, supporting buttons, sliders, and wheel gestures using Microchip's mTouch library. At 80 MHz the M4K core runs the touch scanning loop in under 1 ms while sharing CPU time with backlight control, BLE companion chip comms, and LCD panel driving via the parallel master port (PMP). The 128 KB SRAM supports up to 64 touch channels plus 320x240 QVGA frame buffer. Place guard traces around touch electrodes and use 50-ohm ground flood under the touch panel.
Recomendado
Industrial Control Panels
The PIC32MX470F512HT-I/MR is well-suited for industrial control panels because its industrial -40C to +85C temperature rating, 49 I/O pins, dual CAN-ready UART channels, and dual I2C buses cover most panel-meter, PLC interface, and HMI tasks. Per the DS61143H datasheet, the PPS (peripheral pin select) engine allows remapping UART, SPI, I2C, and timers onto any digital GPIO, simplifying PCB routing on dense 4-layer boards. The 80 MHz MIPS32 M4K core executes Modbus RTU/TCP protocol stacks and ASCII command parsers with ample margin. At full speed the core draws roughly 70 mW, suitable for solar or battery-backed panels. Use opto-isolated RS-485 transceivers and a TVS array on field wiring for surge protection.
Recomendado
Low-Cost Graphics TFT Terminals
The PIC32MX470F512HT-I/MR drives small graphics TFT terminals up to QVGA (320x240) using its parallel master port (PMP) and 128 KB SRAM as a partial frame buffer. According to Microchip family documentation, PMP can interface to ILI9341 or HX8347 controllers with 8/16-bit parallel data, freeing the M4K core to run graphics rendering and menu logic. The 80 MHz CPU delivers 30+ FPS for simple UIs, and the 512 KB Flash holds full font tables plus LVGL/Microchip-GFXHMI graphics libraries. Hardware PMP DMA keeps display refresh off the core. Provide a 3.3V LDO with 200 mA capacity for TFT VCC, and route PMP data lines as length-matched groups within 50 mil tolerance.
Recomendado
Audio/Graphics/Touch Reference Designs
The PIC32MX470F512HT-I/MR targets Audio/Graphics/Touch HMI reference designs combining simultaneous I2S audio playback, PMP-driven TFT graphics, and CTMU touch sensing on a single MCU. According to the Microchip family datasheet (DS61143H), the integration of USB, two I2S, dual SPI, dual I2C, and 28 ADC channels removes the need for multiple companion chips in kitchen appliances, fitness equipment, and smart-home hubs. The DM320103 Curiosity PIC32MX470 Development Board provides a proven hardware reference with PICtail expansion headers. At 80 MHz the MIPS32 core simultaneously services USB HID, I2S audio, and graphics refresh without dropping samples. The 128 KB SRAM is shared between frame buffer and audio buffers; budget 32 KB to audio, 32 KB to graphics, leaving 64 KB for stack and heap.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC32MX470F512HT-I/MR — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | PIC32MX470F512H-I/MR | PIC32MX470F512HT-100I/MR | PIC32MX470F512HT-120I/MR | PIC32MX450F256HT-I/MR | PIC32MX270F512HT-50I/MR |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-QFN (9x9) | 64-QFN (9x9) - same | 64-QFN (9x9) - same | 64-QFN (9x9) - same | 64-QFN (9x9) - same | 64-QFN (9x9) - same |
| Core Frequency | 80 MHz | 80 MHz | 100 MHz | 120 MHz | 80 MHz | 50 MHz |
| Flash Memory | 512 KB | 512 KB | 512 KB | 512 KB | 256 KB (-50%) | 512 KB |
| SRAM | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB |
| USB OTG | Yes (integrated) | Yes | Yes | Yes | Yes | No |
| I2S Channels | 2 | 2 | 2 | 2 | 2 | 0 |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
Principais diferenciais
- Highest density Flash + SRAM in PIC32MX4xx 64-QFN family (vs PIC32MX450F256HT-I/MR)
- Higher 80 MHz speed grade vs PIC32MX270 50 MHz (vs PIC32MX270F512HT-50I/MR)
- Integrated USB OTG vs external PHY requirement (vs PIC32MX270F512HT-50I/MR)
- HMI feature set vs MX270 cost-reduced feature set (vs PIC32MX270F512HT-50I/MR)
Notas de projeto
Estimated: at VDD=3.3V and CPU active at 80 MHz, the PIC32MX470F512HT-I/MR core draws approximately 70 mA (230 mW). Place a 10 uF ceramic + 100 nF decoupling pair within 5 mm of each VDD pin and a single 4.7 uF bulk cap at the regulator output. Connect all VSS pins to a continuous ground plane, and stitch vias around the thermal pad for thermal relief.
Route the 48 MHz USB clock trace as a 90-ohm differential pair on the D+/D- lines and keep them matched within 150 mil. Per the Microchip family datasheet (DS61143H), the USB bus requires a 1.5 kohm pull-up on D+ for full-speed enumeration; place this resistor near the MCU pin, not near the connector. Place the on-chip PLL filter caps (VDDPLL/VSSPLL) close to the dedicated PLL pins with no digital signals crossing underneath.
The PIC32MX470F512HT-I/MR runs on 2.3V-3.6V core supply. Do not apply 5V signals to standard GPIO pins; only the USB D+/D- lines are 5V tolerant. According to the family datasheet (DS61143H), missing the NREF capacitor on the ADC voltage reference pins causes ADC reference drift of 5-10 LSB. Configure the JTAG/ICSP pins as GPIOs in firmware only after disabling debugging to avoid contention on the shared PGECx/PGEDx pins.
Informações de conformidade
RoHS compliant per Microchip product page. Industrial -40C to +85C grade only; not AEC-Q100 qualified for automotive - select PIC32MX470F512H-120V/MR or -V suffix for automotive.
