LPC1758FBD80Y - 100MHz Cortex-M3 MCU with Ethernet | NXP
N.º da peça: LPC1758FBD80Y ✗ Fim de vida| Qtd. | Preço unitário | Total |
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LPC1758FBD80Y Visão geral
A microcontroller is a compact computer that integrates a processor core, memory, peripherals, and communication interfaces on one semiconductor device. The Cortex-M3 MCU belongs to the embedded-processor hierarchy and is commonly used for real-time control, communications, data acquisition, and connected industrial equipment. The LPC1758 combines that general-purpose embedded role with USB Device, USB Host, USB OTG, Ethernet, CAN, serial buses, analog conversion, and motor-control resources.
Key features include a 100 MHz maximum operating frequency, 512 kB of flash memory, and 64 kB of SRAM. The device provides an eight-channel DMA controller, four UART interfaces, two CAN channels, two SSP controllers, one SPI controller, two I2C controllers, I2S, an eight-channel 12-bit ADC, a DAC, motor-control PWM, and a quadrature encoder interface. These resources reduce the need for external interface chips while supporting gateway, communications, and industrial-control designs.
The LPC1758 architecture combines a 32-bit Arm Cortex-M3 core with integrated connectivity and control peripherals. Its eight-channel DMA controller can transfer data between memory and peripherals without requiring continuous CPU intervention, which is useful for network frames, sensor sampling, audio data, and display updates. The integrated 12-bit ADC and DAC support analog measurement and signal-generation tasks, while PWM and quadrature encoding support motor and position-control systems.
Typical applications include industrial Ethernet gateways, USB-to-serial equipment, CAN-connected controllers, networked data loggers, motor-control boards, audio interfaces, and embedded test systems. The 80-LQFP package is relatively easy to inspect and rework compared with very fine-pitch packages, making the device suitable for prototype and production boards where assembly access is important.
PCB design should preserve the required decoupling, clock, reset, and exposed-power connections specified by the manufacturer datasheet. Ethernet and USB interfaces require careful return paths, controlled impedance routing, and isolation between high-speed and sensitive analog sections. Firmware should also account for the shared peripheral resources and electrical limits defined in the LPC1758 hardware documentation.
This page combines verified manufacturer and distributor data, explicit data gaps, packaging information, practical design guidance, and candidate replacement research for the LPC1758FBD80Y.
Alternativas drop-in para LPC1758FBD80Y — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
LPC1754FBD80,518
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
LPC1758FBD80Y Classificações máximas e características elétricas
| Product Type | 32-bit microcontroller |
| Processor Core | Arm Cortex-M3 |
| Maximum Operating Frequency | 100 MHz |
| Flash Memory | 512 kB |
| Data Memory | 64 kB |
| Architecture | 32-bit RISC |
| Ethernet | Integrated |
| USB | USB Device, Host, and OTG |
| DMA Controller | 8 channels |
| UART Interfaces | 4 |
| CAN Channels | 2 |
| SSP Controllers | 2 |
| SPI Controllers | 1 |
| I2C Controllers | 2 |
| ADC | 8-channel, 12-bit |
| DAC | Integrated |
| Motor-Control PWM | Integrated |
| Quadrature Encoder | Integrated |
| Tensão de alimentação | 2.5 V / 3.3 V |
| Encapsulamento | 80-pin LQFP, 12 x 12 mm |
| Tipo de montagem | Surface mount |
Guia de Configuração de Pinos do LPC1758FBD80Y 80-pin lqfp, 12 x 12 mm
Configuração de pinos para LPC1758FBD80Y (pacote 80-pin lqfp, 12 x 12 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 LPC1758FBD80Y.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
LPC1758FBD80Y é adequado para 7 aplicaçãos: Industrial Ethernet Gateway, USB-to-Serial Connectivity Hub, CAN-Connected Industrial Controller, Data Acquisition and Signal Conditioning, Motor Control and Position Feedback, Embedded Audio Interface, Networked Data Logger.
Industrial Ethernet Gateway
The LPC1758FBD80Y fits an industrial gateway because it combines a 100 MHz Arm Cortex-M3 core with integrated Ethernet, USB, eight-channel DMA, four UARTs, two CAN channels, and serial controllers. The processor can manage network traffic, local serial devices, logging, and control tasks without requiring a separate communications MCU. Place the Ethernet PHY and connector close to the controller, provide controlled-impedance routing, and keep switching or high-current power paths away from the MCU and analog sections.
Recomendado
USB-to-Serial Connectivity Hub
The LPC1758FBD80Y is suitable for a USB connectivity hub because USB Device, Host, and OTG support is integrated alongside four UARTs, two I2C controllers, SPI, SSP, and DMA. A single controller can enumerate USB, move data with DMA, and expose multiple serial ports for configuration, logging, or service interfaces. The design should follow the LPC1758 USB reference guidance and validate USB impedance, power supply sequencing, and connector protection in the final board.
Recomendado
CAN-Connected Industrial Controller
The LPC1758FBD80Y can serve as the central controller in a CAN-connected industrial system because it provides two CAN channels together with a 100 MHz Cortex-M3 core, eight-channel DMA, four UARTs, PWM, quadrature encoding, and analog conversion. These resources support actuator commands, status feedback, sensor acquisition, and service diagnostics. Use the manufacturer CAN electrical requirements, termination strategy, transceiver selection, and isolation design for the target industrial environment.
Recomendado
Data Acquisition and Signal Conditioning
The eight-channel 12-bit ADC, DAC, DMA controller, and 100 MHz processing core make the LPC1758FBD80Y useful for embedded data-acquisition equipment. The MCU can sample multiple analog channels, transfer results through DMA, process the data, and use the DAC for stimulus or calibration output. Analog layout remains critical: separate sensitive input routing from digital and switching signals, provide local decoupling, and establish grounding so that the 12-bit converter can operate predictably in the final enclosure.
Recomendado
Motor Control and Position Feedback
The LPC1758FBD80Y supports motor-oriented embedded designs through motor-control PWM, quadrature encoder inputs, multiple timers, ADC channels, DMA, and high-speed interrupt-driven control. A stepper or brushless-motor controller can combine position feedback with current or temperature measurement while using CAN, UART, or Ethernet for supervisory commands. The final design must verify timer clocking, PWM frequency, encoder filtering, protection timing, and thermal behavior against the motor and power stage requirements.
Recomendado
Embedded Audio Interface
The LPC1758FBD80Y can support embedded audio interfaces because it includes I2S, DMA, SSP, SPI, USB, and a DAC alongside a 100 MHz processor core. These resources can coordinate audio data movement, configuration, buffering, and host connectivity, although the exact audio clocking and codec requirements depend on the selected peripheral configuration. Use a supported I2S/SSP connection, keep clock traces short, and isolate analog audio routing from Ethernet, USB, and motor-control switching nodes.
Recomendado
Networked Data Logger
The LPC1758FBD80Y is well suited to a networked data logger because it combines Ethernet and USB connectivity with large 512 kB flash, 64 kB SRAM, DMA, serial interfaces, ADC, and a DAC. Firmware can acquire sensor data, buffer it in SRAM, move blocks with DMA, write to flash, and expose results through Ethernet or USB. Design the system around watchdog and brownout behavior, validate flash write timing, and provide storage protection if data integrity is important.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para LPC1758FBD80Y — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | LPC1754FBD80,518 | STM32F072RBT6TR | STM32F072C8T6TR | STM32F411RET6TR | STM32F407VGT6TR |
|---|---|---|---|---|---|---|
| Package | 80-pin LQFP, 12 x 12 mm | 80-pin LQFP; verified format | LQFP-64; different package | LQFP-48; different package | LQFP-64; different package | LQFP-100; different package |
| Brand | NXP Semiconductors | NXP Semiconductors | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
Principais diferenciais
- Higher verified flash capacity than the LPC1754FBD80,518 candidate (vs LPC1754FBD80,518)
- Integrated connectivity for gateway and embedded-control designs (vs STM32F072RBT6TR)
- 80-pin LQFP package matches the verified LPC1754FBD80,518 format (vs LPC1754FBD80,518)
- Broader verified memory configuration for firmware-intensive connectivity products (vs LPC1754FBD80,518)
Notas de projeto
Use the LPC1758FBD80Y manufacturer recommended decoupling and power-layout guidance, placing each required capacitor close to its associated supply pin. Keep the 80-LQFP footprint and pin numbering aligned with the official package drawing, and preserve adequate clearance around exposed or power-related structures specified by the datasheet. Because the supplied data does not include pin-level details, do not infer capacitor values or pin names from generic LQFP practice.
For Ethernet or USB implementations, route high-speed signals over continuous reference planes with controlled impedance and minimize stubs, vias, and right-angle transitions. Keep clocks away from analog ADC and DAC nets, and provide a clean return path beneath each interface. The verified data confirms integrated Ethernet and USB functionality but does not provide board-level trace values, so impedance and topology must be derived from the relevant NXP hardware guidance and PHY documentation.
The verified data specifies a 2.5 V / 3.3 V supply requirement but does not provide current limits or power consumption. Before implementation, check the LPC1758FBD80Y datasheet for operating current at 100 MHz, peripheral activity, sleep modes, and regulator tolerances. Estimated: power dissipation equals the measured supply voltage multiplied by measured current, and thermal design should use that estimate only after the final load, voltage, and ambient temperature are known.
Do not treat a same-category or same-package-looking MCU as a drop-in replacement without comparing the complete pinout, electrical limits, clocking, memory map, peripheral multiplexing, startup behavior, and firmware porting requirements. In particular, the verified LPC1754FBD80,518 comparison shows the same 80-pin LQFP format but 128 kB flash versus 512 kB for the target, so flash capacity alone can prevent interchangeability.
Informações de conformidade
The supplied verified data does not explicitly state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. These fields remain unknown rather than being inferred from the manufacturer or package.