Introduction to the NXP LH75401 MCU

Musk posted a tweet on Nov 23, 2023 2:24 AM BST that all the design and engineering files for the first generation Roadster are now open source.

Let's take a look at the MCU in the Vehicle Display System.

This MCU model is NXP LH75401 with LCD Controller, Touch Screen Controller, NXP's MCU LCD is still doing well.

NXP LH75401 is a high-performance ARM Cortex-A9 32-bit microcontroller unit (MCU), using 40-nanometer process manufacturing. The MCU has a host frequency up to 800MHz, integrated multiple interfaces and peripherals, including Ethernet controller, USB controller, SD/MMC controller, CAN controller, SPI, UART and I2C interfaces, support for multiple embedded operating systems and application software.

In addition, the LH75401 MCU has powerful hardware gas pedals including 2D, 3D and video engines to support video codecs and to handle multimedia applications.The LH75401 MCU supports a wide range of interface protocols and communication protocols, such as TCP/IP, HTTP, and FTP, as well as POSIX and OSEK operating system standards.

Due to its high performance and integration, the LH75401 MCU is suitable for a wide range of high-performance applications such as automotive, medical, and industrial control. These applications require high-speed data processing and reliable data transfer, as well as support for a wide range of interfaces and communication protocols. the LH75401 MCUs help designers realize more efficient, stable, and reliable solutions, providing a better user experience and more options for expanding functionality.

The following is a description of the main features and functions of the NXP LH75401:

1. Processor performance: The NXP LH75401 integrates a high-performance ARM Cortex-A9 core with a maximum frequency of 800 MHz. The Cortex-A9 is a processor with a high degree of parallelism and floating-point capability to meet the processing needs of complex embedded applications.

2. Memory System: The LH75401 supports a multi-layer memory hierarchy including fast cache, internal RAM and external extended memory interfaces. These memories can meet the storage requirements of complex applications, providing fast data access and efficient program execution.

3. Peripherals and Interfaces: The LH75401 integrates a rich set of peripherals and interfaces, including but not limited to the following features:

- Ethernet Controller: Supports a variety of Ethernet protocols for network connection and data communication.

- USB Controller: Supports USB 2.0 interface to realize data transfer and communication with external devices.

- SD/MMC Controller: Supports SD card and multimedia card read/write operation for storing and managing large amount of data.

- CAN Controller: Supports CAN bus communication protocol, used for data transmission in the field of vehicle and industrial control.

- SPI, UART, I2C: Supports commonly used serial communication interfaces for data transfer and communication with external devices.

4. Powerful Graphics and Multimedia Processing: The LH75401 integrates hardware gas pedals, including a 2D/3D graphics engine and a video engine. These gas pedals can be used for image processing, graphics rendering, video codecs, and multimedia applications, providing excellent graphics performance and image quality.

5. Multiple operating system support: LH75401 supports multiple embedded operating systems, such as Linux, Android, etc., to meet the needs of different application scenarios. These operating systems provide rich software resources and development tools to simplify software development and system integration.

6. Security and Reliability Functions: LH75401 provides a variety of security and reliability functions, such as encryption engine, physical isolation, and memory protection. These features protect the data security of the system and improve the reliability and stability of the system.

The NXP LH75401 is a high-performance, multi-functional microcontroller unit that can be used in a wide range of applications in automotive, embedded systems, industrial control and multimedia through the design and integration of powerful processor performance, rich peripherals and interfaces, and graphics and multimedia processing capabilities.