LPC4357FET256K - Dual-Core 204MHz MCU with 1MB Flash | NXP
料号： LPC4357FET256K ✓ 量产中LPC4357FET256K 概述
A microcontroller is a programmable semiconductor that integrates a processor core, memory, peripherals, and communication interfaces on one device. In the embedded-system hierarchy, the LPC4357FET256K belongs to the 32-bit microcontroller family and combines real-time control capabilities with dedicated signal-processing performance. Its dual-core architecture allows computational work to be separated by task, which can improve responsiveness when an application must maintain control loops while processing data.
The LPC4357FET256K combines 1 MB flash for firmware and program storage with 136 kB SRAM for working memory. Its operating feature set includes Ethernet, two high-speed USB ports with integrated PHYs, and LCD connectivity. These interfaces make the device suitable for connected industrial equipment, multimedia control systems, data-acquisition equipment, human-interface systems, and embedded gateways requiring both network connectivity and real-time processing.
The Arm Cortex-M4 processor operates at up to 204 MHz and is specifically positioned for embedded signal-processing applications. According to the NXP product information, the M4 core supports single-cycle multiply-accumulate operations, SIMD instructions, and a hardware floating-point unit. The separate Cortex-M0 coprocessor can handle I/O and digital-control duties while the M4 core performs more computationally intensive processing.
Because the device uses a 256-LBGA package, PCB design must account for dense ball-pitch layout, via-in-pad requirements, thermal management, and assembly-process compatibility. The two high-speed USB interfaces with on-chip PHY can simplify direct USB connectivity, while Ethernet supports networked control and communications equipment. LCD support allows the MCU to drive graphical or segmented human-interface displays without requiring a separate display controller.
For a new design, choose the LPC4357FET256K when the application needs the combination of a 204 MHz Cortex-M4 core, a Cortex-M0 coprocessor, 1 MB flash, 136 kB SRAM, USB, Ethernet, and LCD support in a 256-ball package. Existing boards should use the manufacturer's pin description, recommended footprint, and power-delivery guidance to preserve electrical and mechanical compatibility.
This product page organizes the device's core specifications, application guidance, package considerations, and verified replacement information. It also provides direct links to NXP product documentation and a focused engineering comparison for engineers evaluating the LPC4357FET256K in high-performance embedded systems.
直接替换替代料： LPC4357FET256K ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： LPC4357FET256K （相同外形与封装尺寸） ——差异在于 Mounting Type, Package.
LPC4337FET256
✅ 直接替换📋 参考替代料（不在目录中）
LPC4357FET256K 最大额定值与电气特性
| Product Type | 32-bit dual-core microcontroller |
| Main Processor Core | Arm Cortex-M4 |
| Coprocessor Core | Arm Cortex-M0 |
| Maximum Processor Frequency | 204 MHz |
| Flash Memory | 1 MB |
| SRAM | 136 kB |
| High-Speed USB Interfaces | 2 |
| USB PHY | On-chip PHY |
| Ethernet Support | Yes |
| LCD Support | Yes |
| DSP Instructions | Single-cycle multiply-accumulate and SIMD |
| Floating-Point Unit | Hardware floating-point unit |
| 工作电源电压 | 2.5 V to 3.3 V |
| 封装 | 256-LBGA (17 x 17 mm) |
| 引脚数量 | 256 pins |
| 安装类型 | Surface mount |
| Shipping Package | Tray |
LPC4357FET256K tray 引脚配置指南
LPC4357FET256K（tray 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： LPC4357FET256K.
请参阅 数据手册 以查看完整引脚配置。
典型应用
LPC4357FET256K 适用于 6 应用s: Industrial Data Acquisition, Embedded Ethernet Gateway, Audio and Multimedia Controller, Programmable Control System, Human-Machine Interface, Real-Time Sensor Processing.
Industrial Data Acquisition
The LPC4357FET256K fits industrial acquisition equipment that must gather data, perform real-time calculations, and transmit results across industrial networks. Its 204 MHz Cortex-M4 core provides single-cycle multiply-accumulate, SIMD, and hardware floating-point support for filtering and signal conditioning, while the Cortex-M0 coprocessor can service I/O and control tasks. Ethernet and two high-speed USB interfaces support both network integration and local peripherals. The 1 MB flash stores firmware and configuration data, while 136 kB SRAM accommodates active buffers. During hardware design, use the NXP package and power guidance to support all 256 BGA balls, local decoupling, and thermal copper requirements.
Embedded Ethernet Gateway
The LPC4357FET256K suits connected gateway products that must bridge local serial or USB data with an Ethernet network. Its Cortex-M4/M0 architecture allows protocol processing and control logic to run concurrently, while Ethernet and two USB interfaces with on-chip PHY reduce the need for separate host-controller circuitry. The 204 MHz main core can handle demanding packet processing and control logic, and 1 MB flash provides room for networking, protocol, and application firmware. A production design should verify the exact Ethernet PHY arrangement, magnetics, termination, and board-level signal-integrity requirements using the manufacturer reference information.
Audio and Multimedia Controller
The LPC4357FET256K can serve as the central controller in audio, multimedia, and human-interface products that combine real-time control with richer device connectivity. The Cortex-M4 core's hardware floating-point and SIMD capabilities are useful for filtering and signal-processing tasks, while the Cortex-M0 handles peripheral control and service routines. Two high-speed USB interfaces with on-chip PHY allow connection to storage, interface adapters, or USB peripherals, and LCD support simplifies display integration. The device should be selected when firmware, memory, and real-time requirements justify the 204 MHz dual-core architecture and dense 256-LBGA implementation.
Programmable Control System
The LPC4357FET256K is appropriate for a programmable industrial or laboratory control system requiring deterministic I/O handling alongside higher-level computation. The M0 coprocessor can maintain I/O and digital-control duties while the M4 core executes filtering, motion calculations, or supervisory logic. Its 1 MB flash supports embedded firmware and parameter storage, and 136 kB SRAM supports working state and communication buffers. The 2.5 V to 3.3 V operating range fits common embedded rails, but designers should follow the NXP recommendations for decoupling, grounding, thermal layout, and exposed thermal-ball connection.
Human-Machine Interface
The LPC4357FET256K fits human-machine interface controllers that combine a local display, USB peripherals, and networked configuration. LCD support allows the MCU to manage display output directly, while two high-speed USB interfaces with on-chip PHY can connect control, diagnostic, or storage devices. The Cortex-M4/M0 split permits graphics and control workload allocation, and the 204 MHz M4 core provides ample performance for responsive embedded behavior. Engineering work should focus on display timing and interface requirements, LVDS or display signal integrity where applicable, and careful allocation of the 256-LBGA power and ground connections.
Real-Time Sensor Processing
The LPC4357FET256K can process sensor data locally when an application needs more numerical capability than a basic control microcontroller while still demanding deterministic peripheral service. The Cortex-M4 core provides single-cycle multiply-accumulate, SIMD instructions, and a hardware floating-point unit at up to 204 MHz, enabling real-time filtering, transforms, and compensation calculations. The Cortex-M0 core can handle I/O and digital-control tasks concurrently. With 136 kB SRAM for working data and 1 MB flash for firmware, the device is well suited to compact embedded instrumentation, provided the design follows the manufacturer's BGA assembly and thermal-management guidance.
工程参考数据： LPC4357FET256K ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | LPC4337FET256 |
|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors |
| Package | 256-LBGA (17 x 17 mm) | 256-LBGA (17 x 17 mm) |
关键差异点
- Dual-core real-time architecture （对比 LPC4337FET256)
- Substantial embedded memory configuration （对比 LPC4337FET256)
- Connectivity for multimedia and networked products （对比 LPC4337FET256)
设计说明
Use the NXP 256-LBGA footprint and ball-assignment table without substituting a generic BGA land pattern. Confirm power, ground, and exposed thermal-ball connections, then route high-current and high-speed USB or Ethernet paths away from sensitive signal areas. Local decoupling should be placed close to the relevant device supply pins in accordance with the manufacturer layout guidance to limit supply transients and electromagnetic emissions.
The 256-LBGA package makes copper area and thermal-ball treatment important to long-duration DSP and Ethernet workloads. Provide the recommended PCB copper and via structure under the package, connect designated thermal contacts according to the NXP package drawing, and validate the final assembly under worst-case ambient temperature and sustained processing load. This avoids relying on package performance measured on a different test board.
Treat the two high-speed USB connections and Ethernet interface as controlled-impedance, multi-layer-board designs. Match trace lengths to the applicable device and PHY guidance, provide continuous reference planes, avoid stubs and unnecessary layer changes, and place termination or protection components where the manufacturer reference design calls for them. Validate eye quality and electromagnetic performance on the finished assembly rather than relying only on schematic review.
合规信息
Compliance attributes require confirmation from the current NXP product declaration or manufacturer documentation.
