LPC11A04UK - 50MHz Cortex-M0 MCU, 32KB Flash | NXP
料号： LPC11A04UK ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $1.2873 | $1.29 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
LPC11A04UK 概述
A microcontroller is a programmable system-on-chip that integrates a CPU core, nonvolatile program memory, working memory, peripherals, and input/output into one package. The LPC11A04UK belongs to the MCU, embedded processor, semiconductor, and Arm Cortex-M0 hierarchy. It targets cost-sensitive control, sensing, communication, and actuator functions where deterministic low-power behavior and compact packaging are valuable.
The LPC11A04 family operates at CPU frequencies up to 50 MHz and includes a Nested Vectored Interrupt Controller, a system tick timer, Serial Wire Debug, an ISP and IAP-capable on-chip bootloader path, and up to 16 kB of boot ROM according to the verified Keil device record. Its memory combination supports compact firmware, working state, and retained parameters without requiring external memory for many designs.
NXP describes the LPC11Axx family as a scalable entry-level MCU family with a low-cost 32-bit instruction set and software-configurable analog and mixed-signal subsystems. The architecture is suitable for small control loops, but designers should verify the exact peripheral set, clock limits, pin multiplexing, and electrical limits against the official device documentation before releasing a PCB.
Typical uses include low-power sensor nodes, simple motor-control helpers, compact industrial controls, consumer accessories, and connected embedded products. The 20-WLCSP package supports dense layouts, while its small ball pitch and exposed thermal and routing complexity make careful PCB assembly and inspection important.
The principal design trade-off is integration versus inspection risk. The LPC11A04UK consolidates processing, memory, GPIO, and configurable analog functions into a tiny package, reducing board area but increasing sensitivity to pad geometry, solderability, and layout quality.
This page combines the supplied manufacturer and distributor records, pricing evidence, package details, design guidance, and verified cross-reference findings. It also distinguishes documented facts from missing technical data instead of estimating electrical limits, pin functions, or drop-in alternatives that the supplied sources do not establish.
LPC11A04UK 最大额定值与电气特性
| Product Type | 32-bit ARM Cortex-M0 microcontroller |
| Maximum CPU Frequency | 50 MHz |
| CPU Architecture | Arm Cortex-M0 |
| Flash Memory | 32 KB |
| SRAM | 8 KB |
| EEPROM | 4 KB |
| Boot ROM | Up to 16 KB |
| 电源电压 | 2.6 V to 3.6 V |
| I/O Ports | 18 |
| 封装 | 20-WLCSP, 2.55 mm x 2.55 mm |
| Package Height | 0.60 mm |
| Programmable Analog and Mixed-Signal Resources | Configurable by software |
| Debug Interface | Serial Wire Debug |
| Interrupt Controller | Nested Vectored Interrupt Controller (NVIC) |
| System Timing | System tick timer |
| Bootloading Support | ISP and IAP through on-chip bootloader software |
| Lifecycle Stage | Active |
LPC11A04UK 0.60 mm 引脚配置指南
LPC11A04UK（0.60 mm 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： LPC11A04UK.
请参阅 数据手册 以查看完整引脚配置。
典型应用
LPC11A04UK 适用于 6 应用s: Compact Sensor Control Node, Low-Power Motor Helper Controller, Industrial Condition Monitoring, Connected Embedded Accessory, Portable Medical Sensor Interface, Battery-Powered IoT Sensor.
Compact Sensor Control Node
The LPC11A04UK fits a compact sensor controller because its Arm Cortex-M0 core can operate up to 50 MHz while 32 KB Flash, 8 KB SRAM, and 4 KB EEPROM provide room for acquisition logic, state, and configuration. Its software-configurable analog and mixed-signal resources can help consolidate a small measurement subsystem instead of requiring separate control silicon. The 20-WLCSP also reduces board area in space-constrained nodes. The trade-off is manufacturing complexity: the 2.55 mm by 2.55 mm package needs a verified NXP land pattern, careful escape routing, and process control suitable for fine-pitch assembly.
推荐
Low-Power Motor Helper Controller
The LPC11A04UK can serve as a compact helper MCU for stepper, solenoid, or simple motor-control sequencing where the main processor does not need to handle every timing task. Its 50 MHz Cortex-M0 class performance supports responsive control routines, while 8 KB of SRAM and 32 KB of Flash target practical embedded workloads rather than large control stacks. Configurable analog and mixed-signal functions may assist with monitoring. Firmware must define precise timing, fault states, and watchdog behavior, and the exact timer and comparator resources must be confirmed from the LPC11A04UK documentation before hardware design.
推荐
Industrial Condition Monitoring
The LPC11A04UK is suitable for a small local condition-monitoring module that samples sensors, applies filtering, records thresholds, and reports status over a serial link. Its 4 KB EEPROM provides persistent configuration, while 8 KB SRAM supports working buffers for a focused monitoring task. The configurable mixed-signal subsystem can reduce external circuitry when its verified functions match the design. For factory deployment, engineers should confirm supply tolerance, I/O limits, EMC requirements, and the 18-I/O availability from the official data before production; those detailed ratings are not present in the supplied snippets.
推荐
Connected Embedded Accessory
The LPC11A04UK can manage local control functions in a connected consumer accessory while another device or module handles higher-throughput networking. The Cortex-M0 instruction set and up-to-16 KB boot ROM support a compact bootloader-based architecture, while 32 KB Flash and 8 KB SRAM are suitable for targeted protocol and UI-state tasks. Its small WLCSP helps reduce product volume. Firmware partitioning, security requirements, boot protection, and peripheral availability are not specified in the supplied evidence and must be checked directly in NXP documentation before choosing it for a connected product.
推荐
Portable Medical Sensor Interface
The LPC11A04UK may be evaluated for a compact medical-sensor signal-path controller that handles sampling control, status LEDs, local storage, and a low-rate serial interface. Its configurable analog resources, 4 KB EEPROM, and 8 KB SRAM make it relevant to small embedded products, while the 20-WLCSP limits board area. Medical use demands additional verification of electrical isolation, leakage, accuracy, EMC, and applicable quality requirements; none are established by the supplied data. Engineers should treat this as an engineering candidate, not a compliant medical-device selection, until device specifications and system standards are reviewed.
推荐
Battery-Powered IoT Sensor
The LPC11A04UK can form the local control portion of a battery-powered IoT sensor that samples inputs, applies thresholds, sleeps between measurements, and reports through a low-power communications companion. Its compact 20-WLCSP helps minimize board area, while 8 KB SRAM and 4 KB EEPROM are appropriate for focused sensor logic and persistent settings. Actual battery life depends on clock configuration, analog activity, sleep behavior, and the attached radio, none of which are quantified in the supplied data. Validate average current, wake-up behavior, and the exact low-power modes before using the name IoT operationally.
推荐
推荐产品汇总
工程参考数据： LPC11A04UK ——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 |
|---|---|
| Brand | NXP Semiconductors |
| Package | 20-WLCSP, 2.55 mm x 2.55 mm |
| CPU Core | Arm Cortex-M0 |
| Maximum CPU Frequency | 50 MHz |
| Flash Memory | 32 KB |
| SRAM | 8 KB |
| EEPROM | 4 KB |
| Supply Voltage | 2.6 V to 3.6 V |
| I/O Ports | 18 |
| Debug Interface | Serial Wire Debug |
关键差异点
- High clock rate for a compact entry-level MCU （对比 Unverified LPC11A04-family alternatives)
- Balanced integrated memory for compact control tasks （对比 Lower-memory or higher-cost larger MCUs)
- Minimal board area （对比 Larger-lead-count MCU packages)
设计说明
Use the land pattern and ball map published by NXP for LPC11A04UK rather than deriving a footprint from package dimensions alone. The verified package is a 20-WLCSP measuring 2.55 mm by 2.55 mm and 0.60 mm high. Reserve clean escape paths between fine-pitch balls, maintain manufacturer-defined power and ground distribution, and account for solder mask, paste, and courtyard rules in the PCB library. Validate the stack-up and assembly process before committing to volume production.
The verified source record gives a 2.6 V to 3.6 V supply range. Confirm every rail and I/O connection against the official electrical tables, especially external sensor and communications peripherals, because generic supply compatibility does not guarantee every pin's absolute maximum or logic-level limits. Estimated power-budget calculations should use actual static current, switching activity, analog conversion rates, and load conditions; those operating values are not supplied and must not be guessed.
Do not assume that another LPC11A-family microcontroller is pin-compatible merely because it uses the Cortex-M0 core. Compare the exact 20-ball assignment, alternate functions, clock limits, Flash, SRAM, EEPROM, analog resources, and reset or debug behavior. Also distinguish LPC11A04UK from the orderable distributor suffix LPC11A04UK,118. Firmware image, bootloader assumptions, and PCB changes should be validated against the exact ordering code.
合规信息
The supplied manufacturer and distributor excerpts do not provide substantiated compliance statements. No RoHS, REACH, automotive qualification, lead-free, halogen-free, or conflict-minerals claim is inferred.
