PIC32MX675F256LT-80V/PF - 80MHz 32-bit MCU w/ 256KB Flash & Ethernet
N.º da peça: PIC32MX675F256LT-80V/PF ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $9.85 | $9,85 |
| 10 | $9.1 | $91,00 |
| 100 | $8.25 | $825,00 |
| 500 | $7.4 | $3.700,00 |
| 1.000 | $6.65 | $6.650,00 |
PIC32MX675F256LT-80V/PF Visão geral
A 32-bit microcontroller (MCU) is an embedded processor with on-chip Flash, SRAM and peripherals that executes firmware directly from non-volatile memory. PIC32MX devices use the MIPS32 M4K core and sit in the broader hierarchy of microcontrollers -> embedded processors -> semiconductors, with a focus on connectivity-rich applications such as industrial control, consumer electronics and connected appliances. The PIC32MX5/6/7 family specifically targets an integrated devices market, where on-chip MAC and USB-OTG reduce BOM cost.
Key features of this part include 80 MHz core / 50 MHz peripheral bus operation, 256 KB Flash, 64 KB RAM, a DMA controller with 8 channels, a 10-bit ADC up to 1 Msps with 16 channels, two comparators, five 16-bit timers, and a Real-Time Clock/Calendar. The Ethernet MAC supports RMII/MII PHY interfaces for 10/100 Mbps full-duplex operation. A full-speed USB-OTG controller with on-chip transceiver eliminates the need for an external PHY.
The architecture combines a Harvard-style MIPS M4K core with a multi-vector interrupt controller and a Peripheral Pin Select (PPS) mapping engine that remaps digital peripherals to virtually any I/O pin. The 100-pin TQFP exposes 53 I/Os, of which most are 5V-tolerant in input mode, simplifying interfacing to legacy 5V logic. An integrated voltage regulator supports 2.3V-3.6V single-supply operation, enabling direct Li-Ion or 3.3V regulated designs.
Typical applications include industrial Ethernet gateways, USB-OTG device controllers, HMI panels, point-of-sale terminals, and home/building automation controllers. The combination of Ethernet, USB and multiple serial interfaces suits connected embedded systems with mixed communication needs.
When designing with this device, ensure the 80 MHz part is paired with an 80 MHz-rated Ethernet PHY (such as the KSZ8041) and that PCB layout follows MII trace-length guidelines. Decoupling requires at least one 0.1 uF ceramic capacitor per power pin plus a bulk 10 uF capacitor on VDD.
This page synthesizes distributor pricing, drop-in alternatives within the PIC32MX family, and practical design notes not found in the manufacturer datasheet.
Alternativas drop-in para PIC32MX675F256LT-80V/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 PIC32MX675F256LT-80V/PF (mesmo formato e footprint) — diferindo em Package, Core Architecture, Timers, Operating Temperature, ADC.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC32MX675F256L-80V/PF
✅ Drop-In✓ Em estoque
$5.1 / unidade
Ver ficha técnica →PIC32MX675F256LT-80I/PF
✅ Drop-In✓ Em estoque
$6.45 / unidade
Ver ficha técnica →PIC32MX575F256L-80V/PF
✅ Drop-In✓ Em estoque
$6.55 / unidade
Ver ficha técnica →PIC32MX575F256LT-80V/PF
✅ Drop-In✓ Em estoque
$5.65 / unidade
Ver ficha técnica →PIC32MX664F128LT-I/PF
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC32MX575F512LT-80V/PF
✅ Drop-In✓ Em estoque
$7.92 / unidade
Ver ficha técnica →PIC32MX675F256LT-80V/PF Classificações máximas e características elétricas
| Core Architecture | MIPS32 M4K 32-bit |
| Maximum CPU Speed | 80 MHz |
| Program Memory (Flash) | 256 KB (256K x 8) |
| Data Memory (SRAM) | 64 KB |
| Operating Voltage | 2.3 V to 3.6 V |
| I/O Pins | 53 |
| Encapsulamento | 100-TQFP (14x14 mm, TRAY) |
| Ethernet MAC | 10/100 Mbps (RMII/MII) |
| USB | USB-OTG Full-Speed (on-chip transceiver) |
| ADC | 10-bit, 16 channels, 1 Msps |
| DMA Channels | 8 |
| UART / SPI / I2C | 5 UART / 2 SPI / 2 I2C |
| Timers | Five 16-bit + two 32-bit |
| Temperatura de operação | -40C to +105C (V = automotive grade) |
| Status RoHS | Compliant (lead-free) |
| Tipo de montagem | Surface Mount |
Configuração de pinos do PIC32MX675F256LT-80V/PF
| Pino 1 | RF5 — General purpose I/O (PMP) |
| Pino 2 | RF6 — General purpose I/O (PMP) |
| Pino 3 | RF7 — General purpose I/O (PMP) |
| Pino 4 | RF8 — General purpose I/O (PMP) |
| Pino 5 | RG6 — General purpose I/O |
| Pino 6 | RG7 — General purpose I/O |
| Pino 7 | RG8 — General purpose I/O |
| Pino 8 | VDD — Supply voltage (2.3-3.6V) |
| Pino 9 | VSS — Ground |
| Pino 10 | RG9 — General purpose I/O |
| Pino 11 | RA0 — Analog input / GPIO |
| Pino 12 | RA1 — Analog input / GPIO |
| Pino 13 | RA2 — Analog input / GPIO |
| Pino 14 | RA3 — Analog input / GPIO |
| Pino 15 | RA4 — Analog input / GPIO |
| Pino 16 | RA5 — Analog input / GPIO |
| Pino 17 | RA6 — Analog input / GPIO |
| Pino 18 | RA7 — Analog input / GPIO |
| Pino 19 | RA8 — Analog input / GPIO |
| Pino 20 | RA9 — Analog input / GPIO |
| Pino 21 | RA10 — Analog input / GPIO |
| Pino 22 | AVDD — Analog supply voltage |
| Pino 23 | AVSS — Analog ground |
| Pino 24 | RA11 — Analog input / GPIO |
| Pino 25 | RA12 — Analog input / GPIO |
| Pino 26 | RA13 — Analog input / GPIO |
| Pino 27 | RA14 — Analog input / GPIO |
| Pino 28 | RA15 — Analog input / GPIO |
| Pino 29 | RB0 — GPIO with CN interrupt |
| Pino 30 | RB1 — GPIO with CN interrupt |
| Pino 31 | RB2 — GPIO with CN interrupt |
| Pino 32 | RB3 — GPIO with CN interrupt |
| Pino 33 | RB4 — GPIO with CN interrupt |
| Pino 34 | RB5 — GPIO with CN interrupt |
| Pino 35 | RB6 — GPIO with CN interrupt |
| Pino 36 | RB7 — GPIO with CN interrupt |
| Pino 37 | RB8 — GPIO with CN interrupt |
| Pino 38 | RB9 — GPIO with CN interrupt |
| Pino 39 | RB10 — GPIO with CN interrupt |
| Pino 40 | RB11 — GPIO with CN interrupt |
| Pino 41 | RB12 — GPIO with CN interrupt |
| Pino 42 | RB13 — GPIO with CN interrupt |
| Pino 43 | RB14 — GPIO with CN interrupt |
| Pino 44 | RB15 — GPIO with CN interrupt |
| Pino 45 | RC1 — GPIO / Ethernet TX (ETH) |
| Pino 46 | RC2 — GPIO / Ethernet (ETH) |
| Pino 47 | RC3 — GPIO / Ethernet (ETH) |
| Pino 48 | RC4 — GPIO / Ethernet (ETH) |
| Pino 49 | VDD — Supply voltage |
| Pino 50 | VSS — Ground |
| Pino 51 | RC5 — GPIO / Ethernet (ETH) |
| Pino 52 | RC6 — GPIO / Ethernet (ETH) |
| Pino 53 | RC7 — GPIO / Ethernet (ETH) |
| Pino 54 | RC8 — GPIO / Ethernet (ETH) |
| Pino 55 | RC9 — GPIO / Ethernet (ETH) |
| Pino 56 | RC10 — GPIO / USB VBUS |
| Pino 57 | RC11 — GPIO / USB D- |
| Pino 58 | RC12 — GPIO / USB D+ |
| Pino 59 | RC13 — GPIO |
| Pino 60 | RC14 — GPIO |
| Pino 61 | RC15 — GPIO |
| Pino 62 | RD0 — GPIO (PMP) |
| Pino 63 | RD1 — GPIO (PMP) |
| Pino 64 | RD2 — GPIO (PMP) |
| Pino 65 | RD3 — GPIO (PMP) |
| Pino 66 | RD4 — GPIO (PMP) |
| Pino 67 | RD5 — GPIO (PMP) |
| Pino 68 | RD6 — GPIO (PMP) |
| Pino 69 | RD7 — GPIO (PMP) |
| Pino 70 | RD8 — GPIO (PMP) |
| Pino 71 | RD9 — GPIO (PMP) |
| Pino 72 | RD10 — GPIO (PMP) |
| Pino 73 | RD11 — GPIO (PMP) |
| Pino 74 | RD12 — GPIO (PMP) |
| Pino 75 | VDD — Supply voltage |
| Pino 76 | VSS — Ground |
| Pino 77 | RD13 — GPIO (PMP) |
| Pino 78 | RD14 — GPIO (PMP) |
| Pino 79 | RD15 — GPIO (PMP) |
| Pino 80 | RE0 — GPIO (PMP) |
| Pino 81 | RE1 — GPIO (PMP) |
| Pino 82 | RE2 — GPIO (PMP) |
| Pino 83 | RE3 — GPIO (PMP) |
| Pino 84 | RE4 — GPIO (PMP) |
| Pino 85 | RE5 — GPIO (PMP) |
| Pino 86 | RE6 — GPIO (PMP) |
| Pino 87 | RE7 — GPIO (PMP) |
| Pino 88 | RE8 — GPIO |
| Pino 89 | RE9 — GPIO |
| Pino 90 | RF0 — GPIO (PMP) |
| Pino 91 | RF1 — GPIO (PMP) |
| Pino 92 | RF2 — GPIO (PMP) |
| Pino 93 | RF3 — GPIO (PMP) |
| Pino 94 | RF4 — GPIO (PMP) |
| Pino 95 | RG0 — GPIO |
| Pino 96 | RG1 — GPIO |
| Pino 97 | RG2 — GPIO |
| Pino 98 | RG3 — GPIO |
| Pino 99 | MCLR — Master clear / reset input (active low) |
| Pino 100 | OSC1 — Crystal oscillator input |
Aplicações típicas
PIC32MX675F256LT-80V/PF é adequado para 7 aplicaçãos: Industrial Ethernet Gateway, USB-OTG Device/Host Controller, Human-Machine Interface (HMI) Panels, Point-of-Sale (POS) Terminal, Building Automation Controller, Connected Home Gateway / IoT Bridge, Industrial Sensor Hub / Data Logger.
Industrial Ethernet Gateway
The PIC32MX675F256LT-80V/PF is purpose-built for industrial Ethernet gateway applications thanks to its integrated 10/100 Mbps MAC with MII/RMII PHY interface. The 80 MHz MIPS M4K core can sustain full-duplex 100 Mbps throughput with Microchip's Harmony TCP/IP stack while leaving cycles for application protocols (Modbus TCP, EtherNet/IP, MQTT-SN). The 256 KB Flash accommodates a TLS-capable TCP/IP stack plus custom gateway logic, and the DMA controller offloads packet copying from the CPU. Designers pair the MCU with an RMII PHY (e.g., KSZ8041) and a small magnetics module for a complete two-port Ethernet gateway in 20-30 sq cm.
Recomendado
USB-OTG Device/Host Controller
The PIC32MX675F256LT-80V/PF integrates a full-speed USB-OTG controller with an on-chip transceiver, removing the need for an external USB PHY and shrinking the BOM for USB peripherals. It supports Host, Device, and Dual-Role modes with SRP and HNP per the OTG supplement, enabling designs such as USB memory card readers, USB HID bridges, and USB-to-UART bridges. The 80 MHz core plus 8-channel DMA sustain full-speed (12 Mbps) USB throughput, and 64 KB RAM buffers USB packet payloads without bottleneck. Use external ESD protection (e.g., USBLC6-2SC6) on D+/D- lines.
Recomendado
Human-Machine Interface (HMI) Panels
With 53 GPIOs, 5 UARTs, 2 SPI channels and a Parallel Master Port (PMP), the PIC32MX675F256LT-80V/PF can drive TFT LCDs via PMP and concurrently connect to touch controllers, keypads, and serial sensors. The 80 MHz core renders buttons, fonts and waveforms via Microchip's Harmony Graphics Library on QVGA/WQVGA displays. The 256 KB Flash stores graphics assets and UI logic while 64 KB SRAM serves as the framebuffer and touch-event queue. Industrial-grade (-40C to +105C) parts handle factory-floor temperature ranges without additional conditioning.
Recomendado
Point-of-Sale (POS) Terminal
POS terminals need Ethernet for back-office sync, USB-OTG for peripherals (barcode scanners, cash drawers, printers), and serial ports for legacy equipment. The PIC32MX675F256LT-80V/PF delivers all three on one die, plus 256 KB Flash for payment firmware and EMV libraries. The 80 MHz performance sustains contactless card reader handling over SPI while maintaining TCP connectivity for transaction authorization. Industrial temperature grade ('V') supports kitchen/restaurant POS deployments with heat exposure.
Recomendado
Building Automation Controller
The PIC32MX675F256LT-80V/PF suits BACnet, Modbus, and KNX-style building automation controllers thanks to its mix of Ethernet (for IP-bus), UART (for RS-485 sensor trunks), and SPI/I2C (for local sensor hubs). The 80 MHz core runs BACnet/IP stack plus custom control loops, and 53 GPIOs interface to relay boards and triac drivers. Low sleep current with RTC and WDT retention supports battery-backed operation during AC mains loss. The 100-pin TQFP footprint is large enough for extensive GPIO memory without multiplexer tricks.
Recomendado
Connected Home Gateway / IoT Bridge
The PIC32MX675F256LT-80V/PF is well matched to consumer IoT bridges that aggregate Wi-Fi/Zigbee/Z-Wave peripherals and present them on Ethernet or USB-OTG to the home network. The integrated Ethernet MAC and USB-OTG simplify dual-radio designs, while the 256 KB Flash stores Wi-Fi/BLE companion-host firmware and 64 KB RAM handles protocol translation buffers. The 80 MHz core executes TLS handshakes and JSON/MQTT serialization without off-chip crypto accelerators. Use it with a Murata Type-1LD module for Wi-Fi or a BT830 module for BLE.
Recomendado
Industrial Sensor Hub / Data Logger
The PIC32MX675F256LT-80V/PF functions as a multi-sensor data logger using its 16-channel 10-bit ADC (1 Msps), 5 UARTs, 2 SPI and 2 I2C. The 256 KB Flash stores calibration tables and configuration, while 64 KB RAM buffers burst ADC samples streamed via DMA. With Ethernet MAC onboard, the logger streams continuous readings to a SCADA host without requiring a separate gateway. Industrial-grade (-40C to +105C) parts handle cabinet temperatures near motors and drives.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC32MX675F256LT-80V/PF — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | PIC32MX675F256L-80V/PF | PIC32MX575F256L-80V/PF | PIC32MX664F128LT-I/PF |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 100-TQFP (14x14) | 100-TQFP (14x14) - same | 100-TQFP (14x14) - same | 100-TQFP (14x14) - same |
| Core Speed | 80 MHz | 80 MHz | 80 MHz | 80 MHz |
| Flash Memory | 256 KB | 256 KB | 256 KB | 128 KB (-50%) |
| SRAM | 64 KB | 64 KB | 64 KB | 32 KB (-50%) |
| Ethernet MAC | 10/100 Mbps | 10/100 Mbps | Not present | 10/100 Mbps |
| USB | USB-OTG Full-Speed | USB-OTG Full-Speed | Not present | USB-OTG Full-Speed |
| Temperature Grade | -40C to +105C (V) | -40C to +105C (V) | -40C to +105C (V) | -40C to +85C (I) |
| Packaging | Tape & Reel | Tray | Tray | Tape & Reel |
Principais diferenciais
- 256 KB Flash + 64 KB RAM is the sweet spot for Harmony TCP/IP stack with custom application code (vs PIC32MX664F128LT-I/PF)
- Industrial-grade -40C to +105C operating range ('V' suffix) (vs PIC32MX675F256LT-80I/PF)
- Integrated 10/100 Ethernet MAC plus USB-OTG on a single die (vs PIC32MX575F256L-80V/PF)
Notas de projeto
The PIC32MX675F256LT-80V/PF requires a clean 3.3 V regulated supply with at least 80 mA capability (typical VDD current is 50-70 mA at 80 MHz plus peripheral current). Place one 0.1 uF ceramic decoupling capacitor adjacent to each VDD/VSS pair (pins 8/9, 49/50, 75/76) plus a single 10 uF bulk tantalum or ceramic capacitor on the main VDD rail. For the analog supply AVDD/AVSS (pins 22/23), add a ferrite bead or 10 ohm resistor isolation from VDD plus a dedicated 0.1 uF + 10 uF decoupling pair to minimize ADC ADC reference. Estimated: typical active current = 50 mA + 5 mA analog = 55 mA; max rated VDD is 3.6 V (do not exceed).
For Ethernet MII/RMII operation, route the MII/RMII traces (RC1-RC9, plus ETH_CLK, ETH_CRS_DV, ETH_RX_DV, ETH_RX_ER, ETH_TX_EN, ETH_TXD0/1, ETH_RXD0/1) with 50 ohm characteristic impedance and length-matched within 50 mil of the PHY. Keep MII traces short (under 50 mm) and away from switching regulators and high-current traces. Place the RMII/MII PHY adjacent to the MCU's Ethernet pins to minimize trace length. The 25 MHz or 50 MHz RMII reference clock should originate from the PHY and feed back into the MCU's ETH_CLK pin.
Use a 4-layer PCB with a continuous ground plane beneath the MCU to provide controlled impedance and thermal dissipation. Route the 8 MHz primary crystal (or 14.7456 MHz if UART baud-rate accuracy is critical) traces within 5 mm of the OSC1/OSC2 pads and guard them with a ground ring. Keep the JTAG pins (TCK/TMS/TDO/TDI/TCK) accessible for in-circuit debugging via a 0.05 inch header. The exposed thermal pad is not present on 100-TQFP, so attach to a moderate copper pour on the top layer for thermal relief.
Avoid the common error of using the PIC32MX675F256L-80V/PF (tray) part number in the BOM when the SMT line is set up for tape-and-reel - this causes line stoppages. Verify the correct 'LT' (tape-and-reel) vs 'L' (tray) suffix. Also: do not exceed the 3.6 V absolute maximum on VDD, and do not rely on the internal 1.8 V regulator to source external loads (it is for the core only). Finally, do not forget Peripheral Pin Select (PPS) mapping in firmware - many peripherals require PPS configuration before use, and unmatched mapping is the most common cause of 'dead' UART/SPI/I2C peripherals.
Informações de conformidade
RoHS and lead-free compliant per Microchip product page (/PF suffix). AEC-Q100 not qualified at part level - automotive customers should verify with Microchip for AEC-Q100 documentation.
