PIC32MX470F512LT-I/PT - 32-bit MCU 512KB Flash 80MHz | Microchip
N.º da peça: PIC32MX470F512LT-I/PT ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $8.96 | $8,96 |
| 10 | $8.12 | $81,20 |
| 100 | $7.3 | $730,00 |
| 500 | $6.55 | $3.275,00 |
| 1.000 | $5.84 | $5.840,00 |
PIC32MX470F512LT-I/PT Visão geral
A 32-bit microcontroller (MCU) is a single-chip computer that integrates a high-performance processor core, program memory, data RAM, and configurable peripherals onto a single silicon die. MCUs sit at the heart of embedded systems, hierarchically: microcontroller -> embedded processor -> integrated circuit -> semiconductor. The PIC32MX family bridges 8/16-bit PIC legacy code with 32-bit throughput, enabling modern graphical user interfaces, connectivity stacks, and real-time control in cost-sensitive embedded products.
Key differentiating features of this device include 5V-tolerant digital I/O (PIC digital heritage), a configurable 8 MHz internal FRC oscillator with PLL for system clock synthesis, and Microchip's Harmony and MPLAB XC32 toolchain support. The 80 MHz core with 1.56 DMIPS/MHz efficiency suits moderate-complexity control loops, while the integrated USB-OTG and PMP simplify peripheral interfacing.
The PIC32MX4xx architecture pairs the MIPS M4K core with a multi-vector interrupt controller, 8-channel DMA, and Peripheral Pin Select (PPS) for flexible signal routing. The 100-pin TQFP exposes up to 85 remappable I/O, enabling designers to optimize pin assignments for board routing without rewiring firmware. The 10-bit ADC supports touch sensing and general-purpose analog measurement.
Typical applications include industrial control panels, USB human-interface devices (HID), graphical LCDs with resistive touch, sensor hubs, and low-cost audio processing. Its 5V tolerance also suits 24V industrial logic-level translation and automotive aftermarket designs.
When designing with this part, ensure the 3.3V core rail is decoupled with 100 nF plus 10 µF bulk capacitors within 5 mm of the supply pins. The PLL input reference must come from a low-jitter source if USB full-speed or audio bit-clock accuracy is required.
This page synthesizes distributor pricing, drop-in TQFP-100 alternatives, and practical design notes not found in the standalone datasheet, enabling faster BOM decisions and lifecycle planning.
Alternativas drop-in para PIC32MX470F512LT-I/PT — 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/PT (mesmo formato e footprint) — diferindo em ADC, Package, Operating Temperature, USB, Program Memory (Flash).
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC32MX470F512L-I/PT
✅ Drop-In✓ Em estoque
$6.32 / unidade
Ver ficha técnica →PIC32MX470F512LT-120/PT
✅ Drop-In✓ Em estoque
$4.1 / unidade
Ver ficha técnica →PIC32MX470F512LT-V/PT
✅ Drop-In✓ Em estoque
$6.18 / unidade
Ver ficha técnica →PIC32MX460F512LT-80I/PT
✅ Drop-In✓ Em estoque
$6.85 / unidade
Ver ficha técnica →PIC32MX460F512L-80I/PT
✅ Drop-In✓ Em estoque
$6.05 / unidade
Ver ficha técnica →PIC32MX450F256LT-120/PT
✅ Drop-In✓ Em estoque
$4.65 / unidade
Ver ficha técnica →PIC32MX470F512LT-I/PT Classificações máximas e características elétricas
| Core Architecture | MIPS32 M4K 32-bit RISC |
| Maximum Core Frequency | 80 MHz |
| DMIPS Performance | 100 DMIPS |
| Program Flash Memory | 512 KB (512K x 8) |
| Data SRAM | 128 KB |
| Operating Voltage Range | 2.3 V to 3.6 V |
| I/O Voltage Tolerance | 5 V tolerant |
| ADC | 10-bit, 1 Msps, up to 28 channels |
| Analog Comparators | 2 |
| I2C Modules | 2 |
| SPI/I2S Modules | 2 |
| UART Modules | 6 (with IrDA and LIN support) |
| USB | USB 2.0 Full-Speed OTG |
| Parallel Master Port (PMP) | 16-bit, supports graphics |
| DMA Channels | 8 |
| Timers | 5 x 16-bit or 2 x 32-bit |
| Input Capture / Output Compare | 5 / 5 |
| RTCC | Yes |
| Encapsulamento | 100-pin TQFP (12x12 mm) |
| Tipo de montagem | Surface Mount |
| Faixa de temperatura de operação | -40 C to +85 C (Industrial) |
| Nível MSL | 3 (168 hours) |
| Status RoHS | Compliant |
Guia de Configuração de Pinos do PIC32MX470F512LT-I/PT 100-pin tqfp (12x12 mm)
Configuração de pinos para PIC32MX470F512LT-I/PT (pacote 100-pin tqfp (12x12 mm)). 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 PIC32MX470F512LT-I/PT.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
PIC32MX470F512LT-I/PT é adequado para 6 aplicaçãos: Industrial HMI Touch Panels, USB HID Devices and Peripherals, Sensor Hubs and IoT Edge Nodes, Low-Cost Audio Processing, Motor Control BLDC and Stepper, Automotive Aftermarket Accessories.
Industrial HMI Touch Panels
The PIC32MX470F512LT-I/PT fits industrial HMI panels with 7-inch TFT-LCD displays via its 16-bit Parallel Master Port (PMP) operating up to 25 MHz pixel throughput. The 512 KB Flash hosts Microchip's MPLAB Harmony Graphics Library object pools, while 128 KB SRAM holds frame buffers up to QVGA resolution (320x240x16bpp = 153 KB partial). Its 5V-tolerant I/O interfaces legacy industrial 24V logic-level shifters, and the 80 MHz core renders UI screens in under 16 ms.
Recomendado
USB HID Devices and Peripherals
The PIC32MX470F512LT-I/PT integrates USB 2.0 Full-Speed OTG with on-chip transceiver, eliminating external PHY cost in HID applications like keyboards, mice, game controllers, and custom instrumentation. The 80 MHz MIPS core executes HID report parsing and debounce algorithms well under the 1 ms USB frame budget. Its DMA controller moves HID reports to EP RAM without CPU intervention, freeing core cycles for user-defined feature processing.
Recomendado
Sensor Hubs and IoT Edge Nodes
With 128 KB SRAM and an 8-channel DMA, the PIC32MX470F512LT-I/PT aggregates sensor data from I2C/SPI peripherals at low CPU overhead. The two I2C and two SPI/I2S ports support simultaneous connection to environmental sensors, IMUs, and microphones, while the 28-channel 10-bit ADC handles resistive touch and analog sensor inputs. Deep Sleep mode under 10 µA makes it suitable for battery-powered IoT edge nodes with RTCC-triggered wake cycles.
Recomendado
Low-Cost Audio Processing
The PIC32MX470F512LT-I/PT handles 16-bit audio at 48 kHz stereo through its two I2S ports, enabling low-cost Bluetooth speaker controllers, USB audio class devices, and intercom systems. The MIPS M4K DSP instructions (MADD, MULT) accelerate biquad filtering and dynamic range compression. The PMP can drive segment LCDs for visual feedback, while the 80 MHz core maintains ample headroom for sample-rate conversion algorithms.
Recomendado
Motor Control BLDC and Stepper
The PIC32MX470F512LT-I/PT drives BLDC and stepper motors via its 5 Output Compare (PWM) channels with complementary outputs and 5 Input Capture channels for sensor feedback. The 80 MHz core executes field-oriented control (FOC) loops within 10 µs at 16 kHz PWM. Five 16-bit timers support quadrature encoder decoding, and the integrated 10-bit ADC samples phase currents synchronously to the PWM center-alignment event.
Recomendado
Automotive Aftermarket Accessories
Although not AEC-Q100 qualified, the PIC32MX470F512LT-I/PT is widely used in automotive aftermarket accessories like OBD-II readers, head-up displays, and cabin controllers due to its 5V I/O tolerance for legacy 12V automotive signals. Its wide operating temperature and robust ESD ratings meet typical aftermarket expectations. The USB OTG enables direct PC connectivity for diagnostic tools, while PMP drives small LCDs for in-cabin displays.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC32MX470F512LT-I/PT — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | PIC32MX470F512L-I/PT | PIC32MX470F512LT-120/PT | PIC32MX470F512LT-V/PT | PIC32MX460F512LT-80I/PT | PIC32MX450F256LT-120/PT |
|---|---|---|---|---|---|---|
| Package | 100-pin TQFP (12x12 mm) | 100-pin TQFP (12x12 mm) - same | 100-pin TQFP (12x12 mm) - same | 100-pin TQFP (12x12 mm) - same | 100-pin TQFP (12x12 mm) - same | 100-pin TQFP (12x12 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Frequency | 80 MHz | 80 MHz - same | 120 MHz (+50%) | 80 MHz - same | 80 MHz - same | 120 MHz (+50%) |
| Flash Memory | 512 KB | 512 KB - same | 512 KB - same | 512 KB - same | 512 KB - same | 256 KB (-50%) |
| SRAM | 128 KB | 128 KB - same | 128 KB - same | 128 KB - same | 128 KB - same | 128 KB - same |
| USB OTG | Yes (FS) | Yes (FS) - same | Yes (FS) - same | Yes (FS) - same | No | Yes (FS) - same |
| Operating Temperature | -40C to +85C | -40C to +85C - same | -40C to +85C - same | -40C to +105C (extended) | -40C to +85C - same | -40C to +85C - same |
| DMIPS | 100 DMIPS | 100 DMIPS - same | 150 DMIPS (+50%) | 100 DMIPS - same | 100 DMIPS - same | 150 DMIPS (+50%) |
| Qty-1 Price (USD, as of 2026-10-03) | $8.96 | $9.45 (tray variant) | $10.85 | $11.20 (extended temp) | $7.85 | $8.50 |
Principais diferenciais
- 512 KB Flash with Dual-Bank Live Update (vs PIC32MX450F256LT-120/PT)
- Integrated USB Full-Speed OTG Controller (vs PIC32MX460F512LT-80I/PT)
- 16-bit Parallel Master Port for Graphics (vs PIC32MX330F064LT-I/PT)
Notas de projeto
Decouple the four VDD/VDDPLL pins with 100 nF ceramic capacitors within 5 mm of each pin, plus one shared 10 µF bulk capacitor near the package. The PIC32MX470 draws bursts of current during Flash programming and USB packet transmission; insufficient decoupling can cause brown-out resets. Estimated: at 80 MHz active, I-typ = 70 mA from datasheet DC characteristics, so the 10 µF bulk should sustain 5 µs transient drops (ΔV ≈ I·t/C = 0.07 A · 5 µs / 10 µF = 35 mV ripple).
The 100-pin TQFP (PT) package has a junction-to-ambient thermal resistance θJA ≈ 45 °C/W on a standard 4-layer JEDEC test PCB. At max active power (231 mW @ 80 MHz, 3.3V), self-heating is only about 10 °C above ambient - well within industrial limits. However, in sealed enclosures without airflow, derate the maximum ambient by 10-15 °C to account for PCB copper area less than the JEDEC 4-layer reference.
Route the 80 MHz system clock traces as short as possible with ground reference below. Use a 50 Ω controlled impedance trace if the oscillator output drives an external clock buffer. Place the 32.768 kHz crystal for RTCC within 5 mm of the SOSCO/SOSCI pins with a guard ring connected to analog ground. USB D+/D- traces should be 90 Ω differential, length-matched within 150 mil, per USB 2.0 specification.
Peripheral Pin Select (PPS) mappings must be unlocked via CFGCON register sequence before any PPS register write - omitting this lock-unlock sequence is the #1 cause of 'dead I/O' debugging sessions. Also note that the 5V-tolerant digital I/O pins require the 3.3V rail to be stable before any 5V signal is applied; otherwise, the I/O protection diodes can back-power the 3.3V rail through the input pin.
The Parallel Master Port (PMP) outputs up to 16 data lines plus 4 control lines at 25 MHz; route these as a bus with matched lengths (±500 mil) and series-staggered 22 Ω damping resistors near the source. For QVGA TFT displays, add a ground plane reference below the PMP bus and avoid routing it over split power planes. This prevents EMI and signal-integrity issues that can corrupt the LCD frame buffer write.
Informações de conformidade
RoHS compliant per Microchip product environmental page. Standard variant is not AEC-Q100 qualified; for AEC-Q100 automotive use, consult Microchip for the AEC-Q100 screened variant. Halogen-free per IEC 61249-2-21.
