LPC11A04UK - 50MHz Cortex-M0 MCU, 32KB Flash | NXP
MPN: LPC11A04UK ✓ Hoạt độngLPC11A04UK Tóm tắt
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.
Bộ thay thế dễ dàng lắp đặt cho LPC11A04UK — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Không có bộ thay thế dễ dàng lắp đặt sẵn có cho sản phẩm này.
Yêu cầu các bộ thay thếLPC11A04UK Tỷ lệ tối đa & tính chất điện
| 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 |
| Điện áp cung cấp | 2.6 V to 3.6 V |
| I/O Ports | 18 |
| Hộp | 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 |
Hướng dẫn cấu hình chân LPC11A04UK 0.60 mm
Cấu hình chân cho LPC11A04UK (0.60 mm gói). IC số này bao gồm chân GPIO, giao diện truyền thông (UART, SPI, I2C) và chân nguồn. Tham khảo tài liệu thông số kỹ thuật của nhà sản xuất để biết các chức năng chân thay thế và tùy chọn cấu hình. Cực kỳ quan trọng cho thiết kế hệ thống tích hợp và lập trình PCB.
Không có dữ liệu chân cụ thể sẵn có cho LPC11A04UK.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
LPC11A04UK phù hợp cho 6 Áp dụngs: 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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho LPC11A04UK — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này |
|---|---|
| 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 |
Bảo phân biệt quan trọng
- High clock rate for a compact entry-level MCU (vsUnverified LPC11A04-family alternatives)
- Balanced integrated memory for compact control tasks (vsLower-memory or higher-cost larger MCUs)
- Minimal board area (vsLarger-lead-count MCU packages)
Ghi chú thiết kế
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.
Thông tin tuân thủ
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.
