LPC1311FHN33 - 72MHz Cortex-M3 MCU, 8KB Flash | NXP
料号： LPC1311FHN33 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
LPC1311FHN33 概述
A microcontroller is a programmable system-on-chip that integrates a processor core, memory, peripherals, and I/O in one compact device. The Cortex-M3 architecture provides a 32-bit instruction set and exception-based control architecture, while the LPC1311FHN33 adds embedded peripherals needed for sensors, actuators, data acquisition, and serial communications. In the system hierarchy, it is a microcontroller IC, a semiconductor, and a component within an embedded-control or embedded-processing system.
The verified manufacturer result identifies an entry-level Cortex-M3 MCU optimized for integration and low power consumption. Its 72 MHz maximum operating frequency supports responsive control loops and protocol handling, while 8 kB flash and 2 kB data memory suit compact firmware. One Fm+ I2C interface enables connection to sensors and EEPROMs, the UART supports serial data exchange, and four general-purpose timers support timing, pulse generation, and motor-control-related tasks.
The LPC1311FHN33 is positioned for applications where integration and compactness matter more than high memory capacity or extensive connectivity. Its small 33-pin HVQFN package is appropriate for dense embedded products, but engineers should verify the exact pin assignments, exposed-pad requirements, decoupling, clocking, and peripheral multiplexing against the manufacturer datasheet before layout or firmware release.
Typical uses include industrial sensor nodes, building and access-control terminals, compact instrument controllers, communication modules, low-power embedded systems, and small motor or actuator-control boards. The Cortex-M3 platform can execute interrupt-driven firmware efficiently, while the UART and I2C interfaces reduce the need for separate communication components.
Design with the verified 2 V to 3.6 V supply range in mind and confirm device-specific timing and electrical limits in the datasheet. Keep power and decoupling layout compact, provide the required clock and reset behavior, and reserve pins for programming and debug functions. The available search data does not establish a complete pinout, package drawing, or regulator-specific SOA information, so those details must be verified before production use.
This page combines the verified NXP product identity, manufacturer specification snippets, distributor references, and the available cross-reference results. Pricing is reported as of 2026-10-23 where a numeric price is not present in the supplied data, and unverified replacement or package claims are explicitly flagged rather than inferred.
直接替换替代料： LPC1311FHN33 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
快速对比工具——选择替代料号进行并排对比：
LPC1343FHN33
✅ 直接替换📋 参考替代料（不在目录中）
LPC1311FHN33/01,55
✅ 直接替换📋 参考替代料（不在目录中）
LPC1311FHN33/01,55
✅ 直接替换📋 参考替代料（不在目录中）
LPC1311FHN33
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →LPC1343FHN33
✅ 直接替换📋 参考替代料（不在目录中）
LPC1311FHN33 最大额定值与电气特性
| Product Type | Entry-level 32-bit microcontroller |
| CPU Core | Arm Cortex-M3 |
| CPU Architecture | 32-bit |
| Maximum CPU Frequency | 72 MHz |
| Flash Memory | Up to 8 kB |
| Data Memory | Up to 2 kB |
| I2C Interface | 1 Fast-mode Plus (Fm+) I2C interface |
| UART Interface | 1 UART |
| General-Purpose Timers | 4 general-purpose 16-bit timers |
| 电源电压 | 2 V to 3.6 V |
| 封装 | 32-HVQFN, 7 mm x 7 mm |
| Package Height | 0.85 mm |
| Package Pin Count | 33 pins |
| I/O Ports | 25 I/O ports |
| 安装类型 | Surface mount |
| Lifecycle Stage | Active |
| RoHS 状态 | Unknown |
| REACH Status | Unknown |
| AEC-Q100 Qualification | Not applicable |
LPC1311FHN33 33 pins 引脚配置指南
LPC1311FHN33（33 pins 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： LPC1311FHN33.
请参阅 数据手册 以查看完整引脚配置。
典型应用
LPC1311FHN33 适用于 6 应用s: Industrial Sensor Node, Building and Access-Control Terminal, Compact Communication Module, Low-Power Embedded Controller, Small Motor and Actuator Control, Instrumentation and Data Acquisition.
Industrial Sensor Node
The LPC1311FHN33 fits compact industrial sensor nodes that need local control, serial connectivity, and deterministic timing without a large memory footprint. Its verified 72 MHz Arm Cortex-M3 core can execute acquisition and filtering routines, while one UART and one Fm+ I2C interface support sensor, gateway, and configuration connections. Four general-purpose 16-bit timers are useful for sampling intervals, debounce timing, watchdog-related system tasks, and actuator timing. The 32-HVQFN 7 mm x 7 mm package helps reduce board area, although exposed-pad layout and exact pin multiplexing must be verified from the NXP datasheet.
推荐
Building and Access-Control Terminal
LPC1311FHN33 can support compact access-control and building-control terminals where a low-cost MCU must coordinate inputs, outputs, timing, and a communications link. The verified UART provides a path to a reader, controller, or service interface, while the Fm+ I2C interface can connect to an I/O expander or peripheral controller. Four timers allow debounce, pulse timing, and periodic scheduling without relying entirely on software delays. A 2 V to 3.6 V supply range and 32-HVQFN package suit compact boards, but the designer should confirm pin-level functions, electrical limits, and startup behavior against the official documentation.
推荐
Compact Communication Module
The LPC1311FHN33 is suitable for a small communication endpoint or protocol bridge when the design needs a 72 MHz Cortex-M3 controller with basic serial connectivity. The UART can connect to a wireless module, local host, or service interface, while Fm+ I2C supports configuration devices and sensors. Four general-purpose timers can handle framing intervals, watchdog servicing, timing marks, or low-speed control functions. Its small HVQFN package supports compact assemblies, but actual baud-rate limits, peripheral multiplexing, clock trees, and firmware-driver requirements must be checked against the complete NXP documentation before deployment.
推荐
Low-Power Embedded Controller
LPC1311FHN33 can be used in low-power embedded controllers because NXP describes the device as combining high integration with low power consumption. The Cortex-M3 core handles interrupt-driven control, and the timers provide predictable scheduling for periodic measurements and actuator updates. The UART and I2C interfaces reduce the number of external serial components required for local sensing and configuration. Exact sleep-mode current, wake-up timing, and active-current data are not present in the supplied verified results, so power-budget calculations should use the official electrical characteristics for the exact variant and operating frequency.
推荐
Small Motor and Actuator Control
The LPC1311FHN33 can serve as the supervisory controller in small actuator or motor-control systems where four general-purpose 16-bit timers are useful for pulse generation, capture, and periodic timing. A 72 MHz Cortex-M3 core leaves processing headroom for control logic, diagnostics, and communications, while UART and I2C connect to a driver, sensor, or service interface. The MCU should not be treated as the power-stage device: transistor selection, current limits, protection, and thermal design remain external to the microcontroller. Verify timer routing, pin multiplexing, voltage tolerances, and timing requirements in the package documentation.
推荐
Instrumentation and Data Acquisition
LPC1311FHN33 fits small instrumentation and data-acquisition products that need periodic sampling, local control, and a compact communications path. The four general-purpose timers can organize acquisition intervals and timing-sensitive measurements, while I2C connects to sensors and UART links a host or service port. Its 8 kB flash limit means firmware should be compact and carefully partitioned; applications needing larger buffers, high-speed USB, or extensive connectivity should reconsider the device. Board designers should verify the exact ADC availability, pin multiplexing, sampling requirements, and exposed-pad thermal design from the complete manufacturer datasheet.
推荐
推荐产品汇总
工程参考数据： LPC1311FHN33 ——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 | LPC1343FHN33 | LPC1311FHN33/01,55 | LPC1311FHN33 |
|---|---|---|---|---|
| Package | 32-HVQFN, 7 mm x 7 mm | 32-HVQFN class; exact dimensions require datasheet confirmation | 32-HVQFN, 7 mm x 7 mm | 32-HVQFN, 7 mm x 7 mm |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| CPU Core | Arm Cortex-M3 | Arm Cortex-M3 | Arm Cortex-M3 | Arm Cortex-M3 |
| Maximum CPU Frequency | 72 MHz | 72 MHz | 72 MHz | 72 MHz |
关键差异点
- Entry-level Cortex-M3 integration （对比 LPC1343FHN33)
- Verified peripheral complement （对比 LPC1343FHN33)
- Exact target ecosystem （对比 LPC1343FHN33)
设计说明
Use the official NXP package drawing and pin description to confirm the 32-HVQFN footprint, exposed-pad treatment, pin-1 orientation, and courtyard clearance before routing. The verified distributor snippet establishes a 7 mm x 7 mm package, but it does not provide the mechanical drawing. Do not infer pad dimensions or exposed-pad connectivity from the package name alone.
Design the supply rail for the verified 2 V to 3.6 V operating range and place local decoupling close to the MCU power pins. Check the complete NXP electrical table for input capacitance, startup, absolute maximum voltage, and current limits. Because the supplied data does not include current-consumption values, do not finalize a power budget from generic Cortex-M3 assumptions.
Do not treat LPC1343FHN33 or a similarly named LPC13xx device as a confirmed drop-in replacement. The available comparison result confirms a related Cortex-M3 device at up to 72 MHz, but it does not prove identical pin assignments, memory, peripherals, or firmware behavior. Verify the manufacturer cross-reference, package drawing, peripheral map, and boot or programming requirements before changing the BOM.
Keep I2C, UART, timer, clock, reset, and debug routing consistent with the final pin-multiplexing plan. Fm+ I2C is sensitive to capacitance, pull-up sizing, topology, and trace geometry; use the datasheet timing limits and account for bus capacitance rather than selecting pull-ups by rule of thumb. Preserve a clean return path beneath high-speed or switching activity.
合规信息
The supplied verified product results do not explicitly state RoHS, REACH, lead-free, halogen-free, or conflict-minerals status. Automotive qualification was not identified in the supplied data, so AEC-Q100 is not applicable rather than qualified.
