LPC4312JET100E - 204MHz Dual-Core MCU | NXP | 100-TFBGA
N.º da peça: LPC4312JET100E ✓ AtivoLPC4312JET100E Visão geral
A microcontroller is an integrated circuit that combines a processor core, memory, peripherals, and communication interfaces on one semiconductor device. The LPC43xx family belongs to the Arm Cortex-M microcontroller hierarchy, where the Cortex-M4 core handles primary control and signal-processing tasks while the Cortex-M0 coprocessor can offload suitable background tasks. Ethernet, high-speed USB, LCD, and SPI Flash connectivity place the device between a general-purpose microcontroller and a more highly integrated communications processor.
The verified product information identifies a 512 KB flash configuration, 136 KB of on-chip SRAM, and 16 KB of EEPROM for the LPC435x/3x/2x/1x family. Its quad SPI Flash Interface supports external serial-memory expansion, while Ethernet and two high-speed USB interfaces reduce the need for separate communication controllers. The 100-TFBGA package provides 100 terminals on a compact 9 mm by 9 mm surface-mount footprint suitable for compact industrial and communications equipment.
The device combines a 204 MHz Cortex-M4 core with a Cortex-M0 coprocessor in one package. This heterogeneous arrangement can separate interrupt-intensive or peripheral-oriented work from the main control loop without requiring a second discrete microcontroller. Exact core frequencies, cache organization, and coprocessor performance allocation are not included in the supplied verified data, so those details should be confirmed in the manufacturer documentation before workload partitioning is finalized.
Typical uses include industrial Ethernet equipment, USB-enabled embedded controllers, human-machine-interface systems with LCD connectivity, and designs requiring external SPI Flash storage. The Ethernet controller and dual high-speed USB support are particularly useful for connected data-acquisition, communications, and monitoring products. A design can also use the quad SPI Flash Interface to retain firmware, configuration, logs, or graphical assets outside the internal 512 KB flash.
PCB planning must account for the fine-pitch 100-TFBGA land pattern, multilayer escape routing, power and ground distribution, and thermal management. Firmware selection should also verify boot, memory-map, peripheral, pin-muxing, and debugger requirements rather than assuming that software built for another LPC43xx member is interchangeable. Exact operating-temperature, voltage, and package-performance limits were not supplied and require confirmation from the NXP datasheet.
This product record combines verified manufacturer and distributor information, an explicit treatment of missing electrical data, connectivity-focused application guidance, and pin-compatible same-family alternatives. It is intended to support engineering selection and sourcing decisions without presenting unverified specifications as guaranteed production facts.
Alternativas drop-in para LPC4312JET100E — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
LPC4312JET100
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
LPC4312JBD100E
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
LPC4312JET100B
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
LPC4312JET100C
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
LPC4312JET100D
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
LPC4312JET100E Classificações máximas e características elétricas
| Product Type | 32-bit dual-core embedded microcontroller |
| Main Processor Core | Arm Cortex-M4 |
| Coprocessor Core | Arm Cortex-M0 |
| Maximum Processor Frequency | 204 MHz |
| Flash Memory | 512 KB |
| Flash Organization | 512K x 8 bits |
| On-Chip SRAM | 136 KB |
| On-Chip EEPROM | 16 KB |
| Ethernet Support | Yes |
| High-Speed USB Interfaces | 2 |
| External Serial Flash Interface | Quad SPI Flash Interface (SPIFI) |
| LCD Support | Yes |
| EMC Support | Yes |
| Tensão de alimentação | 3.3 V |
| Encapsulamento | 100-TFBGA (9 mm x 9 mm) |
| Terminal Count | 100 terminals |
| Tipo de montagem | Surface Mount |
| Moisture Sensitivity Level | MSL 3 (168 hours) |
Guia de Configuração de Pinos do LPC4312JET100E 100-tfbga (9 mm x 9 mm)
Configuração de pinos para LPC4312JET100E (pacote 100-tfbga (9 mm x 9 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 LPC4312JET100E.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
LPC4312JET100E é adequado para 6 aplicaçãos: Industrial Ethernet Controller, USB Communications and Control Hub, LCD Human-Machine Interface, External SPI Flash Data Logger, Motor and Automation Controller, Secure Networked Embedded Gateway.
Industrial Ethernet Controller
The LPC4312JET100E fits industrial Ethernet equipment because it combines a 204 MHz Arm Cortex-M4 core, an Arm Cortex-M0 coprocessor, 136 KB of SRAM, and an integrated Ethernet controller in one 100-TFBGA device. The Cortex-M4 can execute protocol processing and application logic, while the Cortex-M0 can handle suitable background duties. Its 512 KB flash stores boot code and application firmware, while the quad SPI Flash Interface can expand external storage for logs, configuration data, or firmware images. Ethernet integration reduces the need for a discrete interface circuit, but the board must still provide the required magnetic isolation or magnetics, line impedance, clocking, and physical-layer support specified by NXP.
Recomendado
USB Communications and Control Hub
The LPC4312JET100E is suitable for USB communications products because it provides two high-speed USB interfaces alongside a 204 MHz Cortex-M4 core and 136 KB of SRAM. A host or device design can use one interface for a primary link and the other for peripheral expansion, diagnostics, or a configuration channel. The Cortex-M0 coprocessor adds flexibility for dividing protocol servicing from the main control application. Its 512 KB internal flash is sufficient for compact applications, and the quad SPI Flash Interface can retain larger data or images. Board-level design must account for USB connector protection, controlled-impedance routing, common-mode requirements, power supervision, and the exact host-versus-device capability of each USB block.
Recomendado
LCD Human-Machine Interface
The LPC4312JET100E fits compact human-machine interfaces that combine a graphical display with networked or USB control functions. Its LCD support removes the need for a separate display controller when the panel interface is compatible with the device, while the 204 MHz Cortex-M4 core provides performance for rendering, input handling, and communications. The 136 KB of SRAM offers more working memory than many small display controllers, and 512 KB of flash can hold firmware and fixed interface resources. External assets can be placed in SPI Flash through the quad SPI Flash Interface. Engineers should confirm the MCU's supported display resolution and pixel format, then match the LCD interface timing, backlight control, touch input, and connector pinout to the selected panel.
Recomendado
External SPI Flash Data Logger
The LPC4312JET100E can serve as the control processor for a data logger that stores records in external serial Flash. Its quad SPI Flash Interface provides a direct path to higher-capacity nonvolatile storage, while the 512 KB internal flash holds firmware and the 136 KB SRAM supports buffering active records. The 204 MHz Cortex-M4 core can service acquisition and formatting tasks, and the Cortex-M0 coprocessor can assist with peripheral servicing or background operations. This arrangement suits industrial monitoring equipment that must retain logs during network outages. Firmware should include wear management, record integrity checks, power-fail handling, and a recovery strategy because repeated log writes can limit Flash endurance even when the communication link is unavailable.
Recomendado
Motor and Automation Controller
The LPC4312JET100E is applicable to compact automation and motor-control systems that benefit from real-time control, external communication, and a second low-power execution domain. The 204 MHz Cortex-M4 core can execute control algorithms and communication tasks, while the Cortex-M0 coprocessor can take on qualified background work. Ethernet supports networked equipment, two high-speed USB ports allow local configuration or service access, and the quad SPI Flash Interface can hold parameters and reference data. The 100-TFBGA package saves board area compared with many leaded packages, but it demands fine-pitch assembly and careful escape routing. Final selection requires checking timer, PWM, capture, and analog-function availability because those specifications were not included in the supplied verified data.
Recomendado
Secure Networked Embedded Gateway
The LPC4312JET100E can form the core of a compact gateway that translates between Ethernet, USB, and local serial or display systems. Its dual-core Cortex-M4/M0 architecture permits separation between network handling and device-control tasks, while 136 KB of SRAM supports protocol buffers and 512 KB of flash stores the base firmware. The Ethernet controller and two high-speed USB interfaces provide multiple external data paths, and SPI Flash offers expandable configuration storage. In a gateway design, the main engineering trade-offs are code partitioning, interrupt latency, shared-memory method, bootloader support, and security implementation. Exact cryptographic peripherals, watchdog features, and memory-protection functions are not quantified in the supplied source and must be verified before selecting the device for a security-sensitive product.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para LPC4312JET100E — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | LPC4312JET100 | LPC4312JBD100E | LPC4312JET100B | LPC4312JET100C | LPC4312JET100D |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 100-TFBGA (9 mm x 9 mm) | 100-TFBGA (9 mm x 9 mm) - same | 100-TFBGA (9 mm x 9 mm) - same | 100-TFBGA (9 mm x 9 mm) - same | 100-TFBGA (9 mm x 9 mm) - same | 100-TFBGA (9 mm x 9 mm) - same |
| Main Processor Core | Arm Cortex-M4 | Arm Cortex-M4 | Arm Cortex-M4 | Arm Cortex-M4 | Arm Cortex-M4 | Arm Cortex-M4 |
| Coprocessor Core | Arm Cortex-M0 | Arm Cortex-M0 | Arm Cortex-M0 | Arm Cortex-M0 | Arm Cortex-M0 | Arm Cortex-M0 |
| Flash Memory | 512 KB | 512 KB | 512 KB | 512 KB | 512 KB | 512 KB |
Principais diferenciais
- Verified E-suffixed ordering configuration (vs LPC4312JET100)
- Dual Cortex-M architecture (vs LPC4312JET100B)
- Connectivity integrated into the MCU (vs LPC4312JET100C)
- Memory and package consistency (vs LPC4312JET100D)
Notas de projeto
Use the official NXP package drawing and land pattern for the 100-TFBGA rather than reconstructing the footprint from the 9 mm by 9 mm body size. Escape power, ground, clock, and communications nets on all available layers, maintain the recommended via and solder-mask geometry, and avoid placing test points or tall components where they interfere with fine-pitch assembly. The verified data confirms 100 terminals but not individual ball assignments.
Provide a low-impedance 3.3 V rail with local bulk and high-frequency decoupling placed close to the device's supply and ground terminals. Exact capacitor values, voltage tolerances, and sequencing requirements were not included in the supplied information, so they must be taken from the manufacturer datasheet. Separate sensitive analog, digital, and clock-supply paths where the reference design specifies them, and avoid routing switching-node copper beneath high-speed or Ethernet areas.
Treat Ethernet and both high-speed USB interfaces as controlled-impedance, continuous-reference-plane nets. Match trace lengths to the applicable USB and Ethernet interface requirements, provide the required series and shunt terminations, and keep clocks away from switching power converters. The quad SPI Flash Interface should use short, symmetrical routing with its ground reference intact; no definitive impedance or timing values can be stated from the supplied data.
Do not treat similarly named LPC4312 order codes as automatically software-identical. Confirm the exact ordering suffix, temperature grade, flash size, SRAM size, pin multiplexing, boot configuration, and package before replacing LPC4312JET100E. The Cortex-M4/M0 partition also requires review of shared memory, interrupt routing, and firmware startup code, because a nominal package match alone does not establish complete design equivalence.
Informações de conformidade
The supplied GlobalSpec result states that REACH is unaffected. No verified RoHS, lead-free, halogen-free, conflict-minerals, or automotive-qualification statement was provided. The same result identifies MSL 3 with a 168-hour floor-life limit.
