LPC1817JBD144E - 180MHz Cortex-M3 MCU with 1MB Flash | NXP
Артикул: LPC1817JBD144E ✓ АктивенLPC1817JBD144E Обзор
An ARM Cortex-M3 microcontroller is a 32-bit reduced-instruction-set processor with integrated interrupt handling, debug support, and deterministic peripheral access. The Cortex-M3 belongs to the ARM microcontroller product family and provides the compute foundation for connected industrial equipment, communications infrastructure, human-interface systems, and real-time control products. The LPC1817 positions this architecture between a general-purpose MCU and a more specialized communications processor.
Three headline capabilities distinguish the LPC1817JBD144E. Its 180 MHz operating frequency supports computationally intensive control loops and protocol processing, while its 1 MB flash capacity provides room for substantial firmware. The 136 kB SRAM allows data buffering without frequent external-memory transfers. NXP also identifies Ethernet, two high-speed USB interfaces, and LCD connectivity as important features for communications-oriented embedded systems.
The LPC1817 family combines a high-performance Cortex-M3 core with extensive serial connectivity and application peripherals. Its 1 MB on-chip flash supports a complete embedded application image, while 136 kB of SRAM can accommodate network buffers, display data, and real-time working memory. Operating from a 3.3 V supply, the part provides an integrated platform for control logic, human-interface connectivity, and external communications.
Typical applications include industrial Ethernet controllers, USB-enabled data-acquisition equipment, communications gateways, LCD-based operator panels, and embedded network appliances. In each case, the combination of Cortex-M3 performance, local memory, and multiple high-speed interfaces reduces the need for discrete support logic. Firmware can run directly from flash while SRAM handles active protocol and control data.
Designers should preserve adequate decoupling across every supply rail and route high-speed USB and Ethernet signals according to the manufacturer’s layout guidance. The 144-LQFP package provides many pins for power, ground, communications, and peripherals, but its 20 x 20 mm body requires careful assembly planning. Confirm the exact exposed-pad, grounding, and signal-integrity requirements in the manufacturer datasheet before releasing the PCB layout.
This page consolidates the key architecture, memory, packaging, sourcing, and drop-in replacement information into an engineering-oriented guide. It also identifies application-specific trade-offs so designers can determine whether the LPC1817JBD144E or a closely related LPC18xx device best matches a new PCB or an existing production design.
Аналоги без доработки для LPC1817JBD144E — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с LPC1817JBD144E (тот же форм-фактор и посадочное место) — отличается по Flash Memory, Package, Product Type, Architecture, Flash Organization.
LPC1822JBD144E
✅ Прямая заменаУточнить цену
Открыть даташит →LPC1823JBD144E
✅ Прямая замена ⚠️ Характеристики не провереныУточнить цену
Открыть даташит →LPC1825JBD144E
✅ Прямая замена ⚠️ Характеристики не провереныУточнить цену
Открыть даташит →LPC1827JBD144E
✅ Прямая замена ⚠️ Характеристики не провереныУточнить цену
Открыть даташит →LPC1830FBD144K
✅ Прямая замена ⚠️ Характеристики не провереныУточнить цену
Открыть даташит →LPC1817JBD144E Максимальные параметры и электрические характеристики
| Product Type | 32-bit ARM Cortex-M3 microcontroller |
| Maximum CPU Frequency | 180 MHz |
| Flash Memory | 1 MB (1M x 8) |
| SRAM | 136 kB |
| Core | ARM Cortex-M3 |
| Architecture | 32-bit RISC |
| Напряжение питания | 3.3 V |
| Ethernet Interface | 1 interface |
| High-Speed USB Interface | 2 interfaces |
| LCD Interface | 1 interface |
| Корпус | 144-LQFP, 20 x 20 mm |
| Тип монтажа | Surface mount |
| Number of I/O Pins | 144 pins |
Руководство по цоколевке LPC1817JBD144E в корпусе 144-lqfp, 20 x 20 mm
Цоколевка для LPC1817JBD144E (корпус 144-lqfp, 20 x 20 mm). Эта цифровая ИС включает выводы GPIO, интерфейсы связи (UART, SPI, I2C) и выводы питания. Обратитесь к техническому описанию производителя для альтернативных функций выводов и вариантов конфигурации. Необходимо для проектирования встраиваемых систем и трассировки печатных плат.
Нет подробных данных о распиновке для LPC1817JBD144E.
Обратитесь к даташиту для полной конфигурации выводов.
Типичное применение
LPC1817JBD144E подходит для 6 применениеs: Industrial Ethernet Controller, USB Communications Gateway, LCD Operator Panel, High-Speed Data Acquisition, Network Security Appliance, Industrial Sensor Hub.
Industrial Ethernet Controller
The LPC1817JBD144E fits industrial Ethernet equipment because it combines a 180 MHz ARM Cortex-M3 core with an Ethernet interface, 1 MB of flash, and 136 kB of SRAM. Firmware can execute protocol processing and supervisory control tasks locally while SRAM accommodates packet and state data. An external Ethernet PHY and isolation or magnetics network remains necessary for a physical network interface. Compared with a smaller general-purpose MCU, the LPC1817 provides more code space and processing margin for protocol stacks, diagnostics, and real-time control functions.
Рекомендуется
USB Communications Gateway
The LPC1817JBD144E is appropriate for a USB communications gateway because it provides two high-speed USB interfaces alongside a 180 MHz Cortex-M3 processor. One interface can serve a host-side workstation connection while the other supports a downstream device or peripheral role. Its 1 MB flash accommodates gateway firmware, configuration data, and protocol handlers, while 136 kB of SRAM supports buffering. Board designers must preserve the required USB impedance geometry, separation, and power distribution around each interface.
Рекомендуется
LCD Operator Panel
The LPC1817JBD144E supports an LCD-based operator panel by combining its dedicated LCD connectivity with 136 kB of SRAM for framebuffer and working data. The 180 MHz Cortex-M3 core can manage touch or keypad input, display updates, alarms, and equipment-control tasks, while 1 MB of flash holds the user interface and control firmware. Designers should budget memory carefully because display buffering and graphics rendering compete with communications buffers. Use the manufacturer’s LCD timing and electrical guidance to establish compatible panel characteristics.
Рекомендуется
High-Speed Data Acquisition
The LPC1817JBD144E is well suited to high-speed data-acquisition front ends that need local processing, flexible I/O, and communications. Its 180 MHz core can service time-critical sampling tasks, filtering, thresholding, and data packaging, while 136 kB of SRAM supports transient sample and protocol buffers. The two high-speed USB interfaces allow efficient transfer to a host and provide a second device or expansion path. The application must account for analog front-end settling, isolation, grounding, and deterministic interrupt latency.
Рекомендуется
Network Security Appliance
The LPC1817JBD144E can serve as the control processor in a compact network security or protocol-analysis appliance. Its 1 MB flash provides room for a bootloader, operating firmware, and network services, while the 180 MHz Cortex-M3 core supports packet inspection and administrative logic. Ethernet connectivity integrates directly with the device role, and the LCD interface can support a local diagnostic display. A production security product still requires a correctly configured root of trust, protected update mechanism, and hardware-based secret storage.
Рекомендуется
Industrial Sensor Hub
The LPC1817JBD144E fits an industrial sensor hub that gathers local measurements, applies configuration, and forwards results over Ethernet, USB, or an LCD. Its 136 kB of SRAM can buffer multiple sensor streams, and its 1 MB flash can hold calibration tables, device drivers, and communications services. The 180 MHz core provides enough responsiveness for deterministic filtering and alarm logic without moving routine processing off-device. Use robust isolation and protection around external sensors and industrial cabling.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для LPC1817JBD144E — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | LPC1822JBD144E | LPC1823JBD144E | LPC1825JBD144E | LPC1827JBD144E | LPC1830FBD144K |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | LQFP-144 (20 x 20 mm) | LQFP-144 (20 x 20 mm) | LQFP-144 (20 x 20 mm) | LQFP-144 (20 x 20 mm) | LQFP-144 (20 x 20 mm) | LQFP-144 (20 x 20 mm) |
Ключевые отличия
- High-performance processing with substantial integrated memory (против LPC1822JBD144E)
- Dual high-speed USB connectivity (против LPC1823JBD144E)
- Ethernet and LCD support in one controller (против LPC1825JBD144E)
- Existing LPC18xx package continuity (против LPC1830FBD144K)
Заметки по проектированию
Place the required bypass capacitors close to the device supply and ground pins, and keep the return path short to reduce impedance in the switching loop. Separate sensitive analog or communication return currents from digital return paths where the pin arrangement permits it. Confirm capacitor voltage rating, effective capacitance after DC bias, and regulator stability requirements against the manufacturer datasheet before layout release.
Treat both high-speed USB interfaces and the Ethernet path as controlled-impedance interfaces. Use the manufacturer-recommended layer stack, trace geometry, reference-plane continuity, and connector or PHY placement. Avoid placing disruptive switching nodes and magnetically sensitive components beneath the MCU. Thermal pads and exposed connections, if present, must follow the package drawing rather than general LQFP conventions.
A shared LQFP-144 outline does not by itself prove MCU compatibility. Before replacing the LPC1817JBD144E, compare every power pin, alternate-function mapping, clock input, debug signal, communication peripheral, interrupt mapping, and peripheral register behavior. The operating system and boot code may also depend on device identity, clock-tree settings, and vendor-specific initialization routines that must be reviewed separately.
Assign USB and Ethernet signals to contiguous, appropriately referenced layers and avoid crossing plane splits. Keep clocks away from high-current switching nodes and provide a continuous reference beneath each high-speed route. If the board includes magnetics or an Ethernet isolation boundary, follow the PHY reference-layout guidance and maintain the required clearances around those components.
Информация о соответствии
Compliance status is not stated in the available product information. Confirm RoHS, REACH, AEC-Q100, lead-free, halogen-free, and conflict-minerals declarations with NXP for the exact ordering configuration.