LPC11U68JBD100E vs C8051F320-GQ
| Part Number |
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| Category | Embedded - Microcontrollers | Embedded - Microcontrollers |
| Manufacturer | NXP USA Inc. | Silicon Labs |
| Description | IC MCU 32BIT 256KB FLASH 100LQFP | IC MCU 8BIT 16KB FLASH 32LQFP |
| Package | Tray | Tape & Reel (TR) |
| Series | LPC11Uxx | C8051F32x |
| Operating Temperature | -40°C ~ 105°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 100-LQFP | 32-LQFP |
| Supplier Device Package | 100-LQFP (14x14) | 32-LQFP (7x7) |
| Voltage - Supply (Vcc/Vdd) | 2.4V ~ 3.6V | 2.7V ~ 3.6V |
| Speed | 50MHz | 25MHz |
| Number of I/O | 80 | 25 |
| EEPROM Size | 4K x 8 | - |
| Core Processor | ARM® Cortex®-M0+ | 8051 |
| RAM Size | 36K x 8 | 2.25K x 8 |
| Core Size | 32-Bit | 8-Bit |
| Connectivity | I²C, Microwire, SPI, SSI, SSP, UART/USART, USB | SMBus (2-Wire/I²C), SPI, UART/USART, USB |
| Peripherals | Brown-out Detect/Reset, DMA, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT |
| Program Memory Size | 256KB (256K x 8) | 16KB (16K x 8) |
| Program Memory Type | FLASH | FLASH |
| Data Converters | A/D 12x12b | A/D 17x10b |
| Oscillator Type | Internal | Internal |
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1. What is an embedded microcontroller?
An embedded microcontroller is a device that integrates an entire computer system into a single chip. It usually includes functional modules such as a central processing unit, memory, input and output ports, and timers, all of which are integrated on a single chip. This design enables embedded microcontrollers to perform specific tasks with high flexibility and efficiency.
The main features of embedded microcontrollers include:
Highly integrated: multiple functions such as CPU, memory, and I/O interface are integrated on a single chip, reducing the number of components and system volume.
Strong specialization: Optimized for specific application scenarios, providing a specific combination of processing power, memory, and input and output interfaces.
Efficient and reliable: The integrated design makes the system more stable and reliable, reducing the connection of external components and signal interference.
High flexibility: According to different application requirements, embedded microcontrollers can have multiple derivative products, each with the same processor core, but different memory and peripheral configurations to adapt to different application scenarios. -
2. Is Arduino an embedded microcontroller?
Arduino is an embedded microcontroller platform based on open source hardware and software. It contains a microcontroller (MCU) and related modules that can interact with the external environment through hardware and software. The core board of Arduino consists of a microcontroller and related modules, with basic input and output connections and multiple communication interfaces, including serial ports, SPI and TWI, etc., which can communicate and transfer data with other devices.
Features of Arduino include:
Development environment: Arduino comes with a software development environment that can be programmed in C and C++ languages.
Libraries and functions: It has a rich hardware library and functions for rapid development.
Low cost: It is suitable for hardware development such as sensors, simple robots, thermostats and motion detectors, with low cost and simple operation.
Wide application: It is commonly used in projects such as IoT products, automation control and robots.
Compared with other microcontroller platforms, the advantage of Arduino is its simple and easy-to-use hardware and software tools, which enable electronic enthusiasts and general users to quickly realize various application projects. -
3. Is Raspberry Pi an embedded system?
Raspberry Pi is an embedded system. Raspberry Pi is a single-board computer based on ARM architecture with rich input and output interfaces and powerful computing power. It can run the Linux operating system and support multiple programming languages such as Python and C++. Due to its compact size and powerful functions, Raspberry Pi is widely used in various embedded systems and robotics projects.
Features of Raspberry Pi include:
Based on ARM architecture: Raspberry Pi adopts ARM architecture, which is an architecture widely used in embedded systems with low power consumption and high efficiency.
Rich interfaces: It has USB interface, Fast Ethernet interface, SD slot, HDMI output interface, etc., and can connect a variety of peripherals.
Open source software support: It supports multiple programming languages and a large number of open source software libraries, which is convenient for development and expansion.
Wide application: It is often used to build routers, smart cars, smart homes, servers and other applications.
Disadvantages of Raspberry Pi include:
Single 5V power supply: The power supply design is simple, which may cause unstable operation of peripherals.
Bandwidth limitation: The USB interface has limited bandwidth and may encounter performance bottlenecks when transmitting large amounts of data. -
4. What language is used for embedded microcontroller programming?
The main languages used for embedded microcontroller programming include C, C++, assembly language, Python and Rust. These languages have their own characteristics and are suitable for different development needs and scenarios.
C is one of the most commonly used languages in embedded development. It has the advantages of high efficiency, flexibility, and strong portability. It can directly operate hardware and is suitable for low-level driver development, kernel programming, etc. C++ is used in complex embedded systems and adds object-oriented features, which is suitable for the development of large applications. Although assembly language is difficult to learn and write, it is indispensable in scenarios that require high optimization and direct control of hardware. Python is easy to learn and use, and is often used in data processing, prototype development, and rapid testing. Rust is gradually gaining attention in the embedded field due to its memory safety and high performance, especially in applications with high security requirements.
