LPC1812JET100E - 180MHz Cortex-M3 512KB MCU | NXP
料号： LPC1812JET100E ✓ 量产中LPC1812JET100E 概述
An ARM Cortex-M3 microcontroller is a 32-bit embedded processor within the microcontroller and semiconductor hierarchy. The Cortex-M3 architecture uses a simplified instruction set and Thumb-2 technology to balance processing performance, deterministic interrupt handling, and low implementation complexity. Within the NXP LPC18xx family, the LPC1812JET100E is positioned as a high-performance MCU with 512 KB of program flash and 104 KB of SRAM, while retaining the peripheral and software ecosystem associated with the LPC18xx product line.
Three principal characteristics define the part. Its 180 MHz operating frequency supports compute-intensive embedded workloads, while 512 KB of flash provides room for application code, firmware, and embedded data. The 104 KB of SRAM reduces dependence on external memory for working data and buffers. Its 100-ball TFBGA package, identified by the verified distributor data as a 9 mm by 9 mm package, supports compact designs but requires a fine-pitch PCB layout and careful manufacturing control.
The Cortex-M3 architecture provides a 32-bit processing platform with efficient exception handling and low-power features intended for embedded use. The exact peripheral mix, clock configuration, I/O ratings, and electrical limits must be confirmed against the LPC1812JET100 manufacturer datasheet before final schematic or firmware sign-off. The supplied NXP product information identifies the MCU as a high-performance Cortex-M3 device and confirms the 512 KB flash, 104 KB SRAM, 180 MHz operating point, and TFBGA100 package used in this product record.
Typical uses for the LPC1812JET100E include industrial data acquisition, communications equipment, USB-connected products, human-interface systems, and embedded control platforms with moderate code-storage requirements. Its 512 KB flash is useful for protocol stacks and application firmware, while 104 KB SRAM can support packet buffers, display interfaces, or multiple communication tasks. The 180 MHz Cortex-M3 core is particularly relevant when software timing, protocol handling, and control-loop calculations must coexist in one compact device.
Designers should treat the fine-pitch TFBGA footprint as a manufacturing-sensitive implementation point. PCB layout must follow the NXP package drawing, including ball assignments, power routing, decoupling placement, and thermal-via requirements. Because the verified excerpts do not publish complete pin assignments, timing diagrams, or absolute maximum ratings, those values should be taken directly from the official datasheet rather than inferred from the distributor summaries.
This product record combines verified manufacturer and distributor information with package-aware alternatives, practical PCB guidance, and direct answers to common sourcing and engineering questions. It is intended to accelerate component selection while clearly separating confirmed LPC1812JET100E facts from parameters that still require datasheet-level verification.
直接替换替代料： LPC1812JET100E ——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： LPC1812JET100E （相同外形与封装尺寸） ——差异在于 Architecture, Package, Product Type.
LPC1837JET100E
✅ 直接替换📋 参考替代料（不在目录中）
LPC1827JET100E
✅ 直接替换📋 参考替代料（不在目录中）
LPC1823JET100E
✅ 直接替换联系询价
查看数据手册 →LPC1822JET100E
✅ 直接替换📋 参考替代料（不在目录中）
LPC1812JET100E 最大额定值与电气特性
| Product Type | 32-bit ARM Cortex-M3 microcontroller |
| Maximum CPU Frequency | 180 MHz |
| Flash Memory | 512 KB |
| SRAM | 104 KB |
| Architecture | ARM Cortex-M3 |
| Bit Width | 32 bit |
| 封装 | TFBGA-100, 9 mm x 9 mm |
| Package Type | Thin Flip-Ball Grid Array |
| Ball Count | 100 balls |
| 安装类型 | Surface mount |
| 工作温度范围 | -40 °C to +105 °C |
| Core | Arm Cortex-M3 |
| Manufacturer Product Page | LPC1812JET100 |
LPC1812JET100E thin flip-ball grid array 引脚配置指南
LPC1812JET100E（thin flip-ball grid array 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： LPC1812JET100E.
请参阅 数据手册 以查看完整引脚配置。
典型应用
LPC1812JET100E 适用于 6 应用s: Industrial Data Acquisition Controller, USB Communications Gateway, Human-Interface and Control Terminal, Networked Embedded Control Node, USB-C Powered Embedded Product, Consumer and Wearable Controller.
Industrial Data Acquisition Controller
The LPC1812JET100E fits industrial acquisition equipment that combines protocol processing with local control. Its confirmed 180 MHz Cortex-M3 core provides processing headroom for sampling loops, filtering, and communications, while 512 KB of flash can hold firmware and configuration data. The 104 KB of SRAM is useful for sample buffers and protocol state. A design can place the MCU beside external sensing and communication circuits, subject to verification of the exact ADC, timer, and interface resources in the NXP datasheet. The -40 °C to +105 °C rating supports industrial-temperature environments, but EMC, grounding, isolation, and watchdog design remain important for dependable factory operation.
推荐
USB Communications Gateway
The LPC1812JET100E is appropriate for a compact communications gateway that manages USB-facing data and an embedded protocol stack. Its 512 KB flash provides useful local storage for firmware, configuration tables, and USB descriptors, while 104 KB of SRAM can support receive buffers and protocol state. The 180 MHz Cortex-M3 core can process framing, routing, and diagnostic tasks efficiently. Because the verified excerpt does not confirm the exact USB controller configuration for this MPN, the implementation must verify host or device capability, pin multiplexing, and transceiver requirements in the official datasheet before routing the USB interface or selecting connector hardware.
推荐
Human-Interface and Control Terminal
The LPC1812JET100E can serve as the central controller in a human-interface terminal that coordinates display updates, keypad input, indicators, and local control logic. The 180 MHz Cortex-M3 core allows interface tasks to coexist with application code, while 512 KB flash and 104 KB SRAM reduce pressure on external storage. The TFBGA100 package also supports compact multi-function products when PCB area is constrained. Engineers should verify available display, serial, timer, and GPIO assignments in the exact device data sheet, and should use the manufacturer ball map to ensure that display and control signals are routed to pins that support the selected peripheral function.
推荐
Networked Embedded Control Node
The LPC1812JET100E fits an embedded control node that combines local deterministic control with network communication. The confirmed 512 KB flash can accommodate a protocol stack and application firmware, and 104 KB of SRAM supports connection state and message buffering. At 180 MHz, the Cortex-M3 core can process multiple communication and control tasks while maintaining predictable interrupt-driven behavior. For networked designs, confirm Ethernet MAC, PHY interface, package-ball availability, and clock requirements from the NXP data sheet. A companion Ethernet PHY may be required, and its reference design and decoupling requirements should be followed to avoid signal-integrity and power-supply problems.
推荐
USB-C Powered Embedded Product
The LPC1812JET100E can support a compact USB-powered embedded product when the device must combine application processing, communications, and local control. Its 180 MHz Cortex-M3 core provides processing capacity without an external processor, while 512 KB flash and 104 KB SRAM accommodate firmware and working data. The principal engineering tradeoffs are heat generation, power-rail sequencing, and the density of the 100-ball TFBGA layout. Power budgeting should include both the MCU and any Ethernet, USB, or transceiver circuitry. If a USB-C interface is used, the system also needs the appropriate receptacle, protection, configuration-channel logic, and verified routing that is independent of the MCU's package constraints.
推荐
Consumer and Wearable Controller
The LPC1812JET100E is suitable for a feature-rich consumer or wearable controller that requires more storage and processing than a basic microcontroller provides. The 512 KB flash can hold larger application code, and 104 KB of SRAM supports buffered sensor, display, or wireless data. The 180 MHz Cortex-M3 core helps maintain responsive user-interface and control tasks. Its -40 °C to +105 °C rating covers many portable-device ambient conditions, although battery-powered use requires careful attention to average current, standby behavior, and regulator efficiency. Because exact low-power mode and GPIO current specifications are absent from the verified excerpts, those values must be checked in the manufacturer datasheet before battery sizing.
推荐
推荐产品汇总
工程参考数据： LPC1812JET100E ——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 | LPC1837JET100E | LPC1827JET100E | LPC1823JET100E | LPC1822JET100E |
|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | TFBGA-100, 9 mm x 9 mm | JET100 TFBGA package; exact dimensions not supplied | JET100 TFBGA package; exact dimensions not supplied | JET100 TFBGA package; exact dimensions not supplied | JET100 TFBGA package; exact dimensions not supplied |
关键差异点
- Confirmed high-performance memory configuration （对比 LPC1837JET100E)
- Verified 180 MHz operating point （对比 LPC1827JET100E)
- Confirmed industrial-temperature operation （对比 LPC1823JET100E)
- Documented sourcing reference （对比 LPC1822JET100E)
设计说明
Use the official NXP TFBGA100 land pattern and ball map without substituting a generic 100-ball BGA pattern. Keep decoupling capacitors close to the relevant supply balls, provide an uninterrupted return path beneath the device, and follow the manufacturer's PCB-stackup, via, solder-mask, and assembly recommendations. The verified package is 9 mm by 9 mm, but its individual ball functions and exposed thermal requirements are not present in the supplied excerpts, so PCB release must be checked against the current datasheet.
Calculate the complete power budget rather than considering only the 180 MHz operating point. Estimated: MCU dissipation depends on supply voltage, active-versus-idle duty cycle, peripheral loading, and clock configuration, none of which are specified in the supplied excerpts. Prototype worst-case thermal and current measurements, then confirm the regulator's current capability and transient response against the complete board load. Do not size the power path from the Cortex-M3 frequency alone.
Route clock, debug, and communication interfaces according to the NXP reference design and the exact selected peripheral mux. Fine-pitch BGA escape routing can create coupling between adjacent nets, so maintain manufacturer-recommended spacing and via geometry. If Ethernet or high-speed USB is used, preserve the required reference-controlled impedance and keep the external PHY, connector, protection, and decoupling components close to their associated device pins.
Do not treat a shared LPC18xx JET100 package suffix as proof of complete drop-in equivalence. The LPC1837JET100E, LPC1827JET100E, LPC1823JET100E, and LPC1822JET100E candidates require separate review of flash, SRAM, CPU frequency, Ethernet, USB, peripheral availability, pin multiplexing, and startup behavior. Before substituting any candidate, compare the official ball tables and errata, rebuild affected firmware initialization, and perform hardware regression testing on the intended production PCB.
合规信息
The supplied verified excerpts do not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status for LPC1812JET100E. These fields remain unknown rather than being inferred from the manufacturer or product family.
