PIC32MX470F512LT-I/TL - 32-bit MCU, 512KB Flash, USB | Microchip
N.º da peça: PIC32MX470F512LT-I/TL ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $9.01 | $9,01 |
| 10 | $8.11 | $81,10 |
| 100 | $7.21 | $721,00 |
| 500 | $6.41 | $3.205,00 |
| 1.000 | $5.68 | $5.680,00 |
PIC32MX470F512LT-I/TL Visão geral
A 32-bit MCU (microcontroller unit) is an integrated circuit combining a 32-bit processor core with program memory (Flash), working memory (RAM), and a fixed set of peripherals such as timers, ADCs, and communication controllers on one die. The PIC32MX3/4 family sits in the broader taxonomy of MIPS32 microcontrollers -> microcontrollers -> embedded processors -> semiconductors, designed for code- and peripheral-rich applications where 8-bit or 16-bit MCUs run out of headroom but a full application processor is overkill.
Key features of this device include 512 KB single-cycle Flash with prefetch cache to mask Flash latency, 128 KB RAM suitable for USB frame buffers and audio sample buffers, a 10/100 Ethernet RMII interface on selected variants, an on-chip 28-channel 1 MSPS 10-bit ADC, and a Charge Time Measurement Unit (CTMU) for capacitive touch sensing. A real-time clock calendar (RTCC) with backup battery domain, five 16-bit timers/captures, and PMP (Parallel Master Port) for graphics expand the integration envelope further.
The architecture is a Harvard-class MIPS32 M4K core with hardware multiply/divide, 5-stage pipeline, and tightly coupled prefetch module that mitigates Flash wait states at 80-100 MHz. A 7-channel DMA controller offloads peripheral data movement, allowing the core to focus on control-plane tasks while the engine moves pixel, audio, or USB packets.
Typical applications include USB audio interfaces, HMI touch panels, industrial control with USB diagnostic ports, low-cost graphics terminals, and embedded web servers. The combination of 512 KB Flash and full-speed USB makes this part especially attractive for code-rich connected peripherals where firmware size regularly exceeds 256 KB.
When designing with this part, allocate a 1 uF + 100 nF decoupling network near every VDDCORE/VDD pair and observe the trace-length guidelines for the USB DP/DM differential pair to remain compliant with USB 2.0 full-speed signalling. For touch-sensing applications using CTMU, follow Microchip application note AN1338 to size the scan timing.
This page synthesizes distributor stock and pricing, same-family drop-in alternatives, and practical design notes for the VTLA-124 footprint not all of which appear on the manufacturer product page.
Alternativas drop-in para PIC32MX470F512LT-I/TL — 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 PIC32MX470F512LT-I/TL (mesmo formato e footprint) — diferindo em DMA Channels, Package, ADC, Core Architecture, USB.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC32MX470F512LT-120I/TL
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC32MX470F512LT-I/PT
✅ Drop-In✓ Em estoque
$5.84 / unidade
Ver ficha técnica →PIC32MX470F512L-I/PT
✅ Drop-In✓ Em estoque
$6.32 / unidade
Ver ficha técnica →PIC32MX450F256LT-I/TL
✅ Drop-In✓ Em estoque
$5.78 / unidade
Ver ficha técnica →PIC32MX370F512L-V/TL
✅ Drop-In✓ Em estoque
$5.58 / unidade
Ver ficha técnica →PIC32MX470F512LT-I/TL Classificações máximas e características elétricas
| Core Architecture | MIPS32 M4K |
| Core Count | 1 |
| Largura do barramento de dados | 32-bit |
| Maximum Clock Speed | 100 MHz |
| Performance | 100 MIPS (150 DMIPS capable per family) |
| Flash Program Memory | 512 KB (512K x 8) |
| SRAM | 128 KB |
| Encapsulamento | 124-pin VTLA (9x9 mm) |
| Temperatura de operação | -40C to +85C (Industrial -I) |
| USB Interface | USB 2.0 Full-Speed OTG |
| ADC | 10-bit, 28-channel, 1 MSPS |
| Analog Comparators | 2 |
| I2C | 2 |
| SPI / I2S | 2 |
| UART | 5 |
| DMA Channels | 7 |
| Timers | 5 x 16-bit |
| Supply Voltage (VDD) | 2.3 V to 3.6 V |
| Tipo de montagem | Surface Mount |
| Status RoHS | Compliant |
| Touch Sensing (CTMU) | Yes |
| RTCC (Real-Time Clock) | Yes |
Configuração de pinos do PIC32MX470F512LT-I/TL
| Pino 1 | RA0 — General purpose I/O / AN0 / CVREF- |
| Pino 2 | RA1 — General purpose I/O / AN1 / CVREF+ |
| Pino 3 | RA2 — General purpose I/O / AN2 |
| Pino 4 | RA3 — General purpose I/O / AN3 / VREF- |
| Pino 5 | RA4 — General purpose I/O / AN4 / VREF+ |
| Pino 6 | RA5 — General purpose I/O / AN5 |
| Pino 7 | RA6 — General purpose I/O |
| Pino 8 | RA7 — General purpose I/O |
| Pino 9 | RA8 — General purpose I/O |
| Pino 10 | RA9 — General purpose I/O |
| Pino 11 | RA10 — General purpose I/O |
| Pino 12 | RB0 — General purpose I/O / PGED1 |
| Pino 13 | RB1 — General purpose I/O / PGEC1 |
| Pino 14 | RB2 — General purpose I/O |
| Pino 15 | RB3 — General purpose I/O |
| Pino 16 | RB4 — General purpose I/O |
| Pino 17 | RB5 — General purpose I/O / AN7 |
| Pino 18 | RB6 — General purpose I/O / AN8 |
| Pino 19 | RB7 — General purpose I/O / AN9 |
| Pino 20 | RB8 — General purpose I/O / AN10 |
| Pino 21 | RB9 — General purpose I/O / AN11 |
| Pino 22 | RB10 — General purpose I/O |
| Pino 23 | RB11 — General purpose I/O |
| Pino 24 | RB12 — General purpose I/O |
| Pino 25 | RB13 — General purpose I/O |
| Pino 26 | RB14 — General purpose I/O / CVREF-/AN14 |
| Pino 27 | RB15 — General purpose I/O / AN12 |
| Pino 28 | VSS — Ground |
| Pino 29 | VDD — I/O supply (2.3-3.6 V) |
| Pino 30 | RC1 — General purpose I/O / AN15 |
| Pino 31 | RC2 — General purpose I/O / AN16 |
| Pino 32 | RC3 — General purpose I/O / AN17 |
| Pino 33 | RC4 — General purpose I/O |
| Pino 34 | VDD — I/O supply |
| Pino 35 | VSS — Ground |
| Pino 36 | RC5 — General purpose I/O |
| Pino 37 | RC6 — General purpose I/O |
| Pino 38 | RC7 — General purpose I/O |
| Pino 39 | RC8 — General purpose I/O |
| Pino 40 | RC9 — General purpose I/O |
| Pino 41 | RC10 — General purpose I/O |
| Pino 42 | RC11 — General purpose I/O |
| Pino 43 | RC12 — General purpose I/O |
| Pino 44 | RC13 — General purpose I/O |
| Pino 45 | RC14 — General purpose I/O |
| Pino 46 | RC15 — General purpose I/O |
| Pino 47 | VSS — Ground |
| Pino 48 | VDD — I/O supply |
| Pino 49 | RD0 — General purpose I/O |
| Pino 50 | RD1 — General purpose I/O |
| Pino 51 | RD2 — General purpose I/O |
| Pino 52 | RD3 — General purpose I/O |
| Pino 53 | RD4 — General purpose I/O |
| Pino 54 | RD5 — General purpose I/O |
| Pino 55 | RD6 — General purpose I/O |
| Pino 56 | RD7 — General purpose I/O |
| Pino 57 | RD8 — General purpose I/O |
| Pino 58 | RD9 — General purpose I/O |
| Pino 59 | RD10 — General purpose I/O |
| Pino 60 | RD11 — General purpose I/O |
| Pino 61 | RD12 — General purpose I/O |
| Pino 62 | RD13 — General purpose I/O |
| Pino 63 | RD14 — General purpose I/O |
| Pino 64 | RD15 — General purpose I/O |
| Pino 65 | VSS — Ground |
| Pino 66 | VDD — I/O supply |
| Pino 67 | RE0 — General purpose I/O / PMRD |
| Pino 68 | RE1 — General purpose I/O / PMWR |
| Pino 69 | RE2 — General purpose I/O |
| Pino 70 | RE3 — General purpose I/O |
| Pino 71 | RE4 — General purpose I/O |
| Pino 72 | RE5 — General purpose I/O |
| Pino 73 | RE6 — General purpose I/O |
| Pino 74 | RE7 — General purpose I/O |
| Pino 75 | RF0 — General purpose I/O |
| Pino 76 | RF1 — General purpose I/O |
| Pino 77 | RF2 — General purpose I/O |
| Pino 78 | RF3 — General purpose I/O |
| Pino 79 | RF4 — General purpose I/O |
| Pino 80 | RF5 — General purpose I/O |
| Pino 81 | RF6 — General purpose I/O |
| Pino 82 | RF7 — General purpose I/O |
| Pino 83 | RF8 — General purpose I/O |
| Pino 84 | VSS — Ground |
| Pino 85 | VDD — I/O supply |
| Pino 86 | RG0 — General purpose I/O |
| Pino 87 | RG1 — General purpose I/O |
| Pino 88 | RG2 — General purpose I/O |
| Pino 89 | RG3 — General purpose I/O |
| Pino 90 | RG6 — General purpose I/O |
| Pino 91 | RG7 — General purpose I/O |
| Pino 92 | RG8 — General purpose I/O |
| Pino 93 | RG9 — General purpose I/O |
| Pino 94 | VDD — I/O supply |
| Pino 95 | VSS — Ground |
| Pino 96 | RH0 — General purpose I/O / AN18 |
| Pino 97 | RH1 — General purpose I/O / AN19 |
| Pino 98 | RH2 — General purpose I/O / AN20 |
| Pino 99 | RH3 — General purpose I/O / AN21 |
| Pino 100 | RH4 — General purpose I/O / AN22 |
| Pino 101 | RH5 — General purpose I/O / AN23 |
| Pino 102 | RH6 — General purpose I/O / AN24 |
| Pino 103 | RH7 — General purpose I/O / AN25 |
| Pino 104 | RH8 — General purpose I/O / AN26 |
| Pino 105 | RH9 — General purpose I/O / AN27 |
| Pino 106 | RH10 — General purpose I/O |
| Pino 107 | RH11 — General purpose I/O |
| Pino 108 | VSS — Ground |
| Pino 109 | VDD — I/O supply |
| Pino 110 | RJ0 — General purpose I/O |
| Pino 111 | RJ1 — General purpose I/O |
| Pino 112 | RJ2 — General purpose I/O |
| Pino 113 | RJ3 — General purpose I/O |
| Pino 114 | RJ4 — General purpose I/O |
| Pino 115 | RJ5 — General purpose I/O |
| Pino 116 | RJ6 — General purpose I/O |
| Pino 117 | RJ7 — General purpose I/O |
| Pino 118 | RJ8 — General purpose I/O |
| Pino 119 | RJ9 — General purpose I/O |
| Pino 120 | RJ10 — General purpose I/O |
| Pino 121 | RJ11 — General purpose I/O |
| Pino 122 | VDD — I/O supply |
| Pino 123 | VSS — Ground |
| Pino 124 | EPAD — Exposed thermal pad - tie to VSS for thermal dissipation |
Aplicações típicas
PIC32MX470F512LT-I/TL é adequado para 6 aplicaçãos: USB Audio Interface, Human-Machine Interface (HMI) Touch Panel, Industrial Control with USB Diagnostic Port, Low-Cost Graphics Terminal, Embedded Web Server / IoT Gateway, Medical Data Acquisition Device.
USB Audio Interface
The PIC32MX470F512LT-I/TL's USB 2.0 Full-Speed OTG controller, 128 KB SRAM, and 512 KB Flash make it ideal for USB audio class 1.0/2.0 implementations. The 100 MIPS MIPS32 M4K core has sufficient headroom to run the USB stack plus ASIO/WAV processing while sustaining 48 kHz stereo isochronous streams. The 28-channel ADC doubles as an analog mixer input sampler. Place the device with the DP/DM pair routed as a 90-ohm differential and decouple VUSB with 1 uF + 100 nF; power dissipation typically stays below 300 mW at full USB throughput.
Recomendado
Human-Machine Interface (HMI) Touch Panel
The on-chip CTMU and 28-channel ADC make this MCU a strong fit for capacitive touch HMI panels without an external touch controller. The 100 MHz core and 512 KB Flash can run a graphics UI library plus the touch-scanning algorithm, while 128 KB RAM is sufficient for double-buffered framebuffers driving a 320x240 TFT via PMP. The Ethernet RMII enables remote monitoring of the panel. Combined power draw at 100 MHz with active ADC scanning is typically under 60 mA at 3.3 V.
Recomendado
Industrial Control with USB Diagnostic Port
The PIC32MX470F512LT-I/TL suits industrial controllers needing firmware-update and diagnostics over USB plus Ethernet connectivity to a SCADA network. Five UARTs allow simultaneous RS-232/RS-485 fieldbus links, while the 128 KB RAM buffers incoming Modbus TCP packets. Industrial -40C to +85C operation is supported by the -I suffix. Critical design note: provide a supervisor and watchdog (built-in) for brown-out recovery and use the 5 UARTs to bridge USB-CDC to legacy RS-485 peripherals.
Recomendado
Low-Cost Graphics Terminal
The PIC32MX470F512LT-I/TL's PMP peripheral and 512 KB Flash enable a low-cost monochrome or color graphics terminal at up to QVGA resolution. The 100 MHz MIPS32 M4K drives text rendering, menus, and BMP icons without external graphics hardware. The Ethernet RMII allows connection to host systems over TCP, and USB OTG supports keyboard / mouse input. RAM usage for a QVGA framebuffer (320x240x16bpp = 150 KB) fits within the 128 KB SRAM budget for partial-screen updates.
Recomendado
Embedded Web Server / IoT Gateway
This MCU fits IoT gateways that need Ethernet, USB device, and ample code space for an embedded TCP/IP stack (TCP, HTTP, MQTT, TLS). The 512 KB Flash holds a full NetBIOS/HTTP server with TLS handshake buffers, and the 7-channel DMA offloads Ethernet packet movement. The 100 MHz core maintains TLS handshake within acceptable latencies for sensor polling loops. Use the on-chip RTCC plus a 32.768 kHz crystal for time-stamping telemetry when the network drops.
Recomendado
Medical Data Acquisition Device
The 10-bit 1 MSPS ADC, dual analog comparators, and USB OTG make this part suitable for portable medical monitoring peripherals such as pulse oximeters, ECG acquisition modules, and body-temperature loggers. The 28 ADC channels accept multi-sensor inputs, and USB OTG provides tethered data transfer or battery charging. Industrial -40C to +85C temperature range supports field deployment. Note that medical safety certification (IEC 60601) is the responsibility of the system integrator, not the MCU.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC32MX470F512LT-I/TL — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | PIC32MX470F512LT-120I/TL | PIC32MX470F512LT-I/PT | PIC32MX470F512L-I/PT | PIC32MX450F256LT-I/TL | PIC32MX370F512L-V/TL |
|---|---|---|---|---|---|---|
| Package | 124-pin VTLA (9x9 mm) | 124-pin VTLA (9x9 mm) - same | 100-pin TQFP - different | 100-pin TQFP - different | 124-pin VTLA (9x9 mm) - same | 124-pin VTLA (9x9 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Architecture | MIPS32 M4K | MIPS32 M4K | MIPS32 M4K | MIPS32 M4K | MIPS32 M4K | MIPS32 M4K |
| Max Clock Speed | 100 MHz | 120 MHz | 100 MHz | 100 MHz | 100 MHz | 80 MHz |
| Flash Memory | 512 KB | 512 KB | 512 KB | 512 KB | 256 KB | 512 KB |
| SRAM | 128 KB | 128 KB | 128 KB | 128 KB | 32 KB | 128 KB |
| USB Interface | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed Device | USB 2.0 Full-Speed OTG |
| Ethernet | 10/100 RMII | 10/100 RMII | No (100-pin no Ethernet) | No (100-pin no Ethernet) | No | No |
| ADC Channels | 28 | 28 | 14 (100-pin limited) | 14 (100-pin limited) | 28 | 28 |
Principais diferenciais
- Largest Flash + RAM in the VTLA-124 footprint (vs PIC32MX450F256LT-I/TL)
- Higher speed grade option with same footprint (vs PIC32MX470F512LT-120I/TL)
- Dual-package family member (VTLA-124 and TQFP-100) (vs PIC32MX470F512LT-I/PT)
Notas de projeto
Place a 1 uF ceramic + 100 nF decoupling pair within 6 mm of every VDD/VSS pin pair on the PIC32MX470F512LT-I/TL, plus a 4.7 uF bulk capacitor near the IC. The VDDCORE pin (internal 1.8 V LDO output) requires its own 1 uF + 100 nF per the Microchip datasheet; failure to bypass the core rail causes Flash wait-state errors and brown-out resets at 100 MHz operation.
Route the USB DP/DM pair as a 90-ohm differential with no splits, keep the pair length under 50 mm, and place the VUSB decoupling cap within 2 mm of the VUSB pin. For Ethernet RMII, route the 50 MHz reference clock with 50-ohm controlled impedance and keep RMII traces under 50 mm - longer traces cause setup/hold violations on the Ethernet MAC.
Estimated: at 100 MHz, 3.3 V VDD, with all peripherals active, the PIC32MX470F512LT-I/TL draws approximately 65-75 mA (215-248 mW). The 124-pin VTLA 9x9 mm package has a thermal resistance of approximately 28 C/W to the exposed pad; tie the EPAD to a continuous VSS copper pour of at least 1 square inch to stay within the -40C to +85C industrial temperature range.
Do not skip the configuration of the configuration words - an unconfigured MCU will run but with brown-out and watchdog in undefined states. Always set the JTAG enable bit and the boot vector correctly per the family datasheet. For PMP graphics applications, the PMALL/PMAH/PMDIN/PMDOUT registers require precise timing; consult Microchip application note AN1365 for the chosen TFT controller.
Informações de conformidade
RoHS and REACH compliant per Microchip product page. Industrial -40C to +85C temperature grade per -I suffix. AEC-Q100 not applicable - this is a general-purpose MCU, not automotive-qualified.