Today, we have been surrounded by complex analog and digital signals in nature, including not only sound, vibration, temperature, voltage, but also high-speed data signals such as WIFI, Ethernet, USB and so on.
Embedded developers are faced with the need to process these complex signals and convert them into real-time audio/image analog or digital signals, such as motor and motion control, power conditioning, animated graphics, and multimedia data formats. In the past, using multiple chips to solve this problem, but faced with the circuit complex, poor stability, large volume and poor security and other shortcomings. Now, we have a new choice, a single-chip solution.
Renesas Electronics' RX600 Series is a new MCU/DSP mixed digital signal microcontroller that combines an advanced and powerful CPU core with a rich set of functional interface peripherals and Trusted Secure IP security features to help developers solve these problems Complex issues are suitable for applications including the Internet of Things, industrial equipment, home appliances, and power grids, and especially industrial Internet of Things featuring real-time, automation, embedded, security, and information interconnection.
RX600 Product Positioning
The RX600 series is a high-performance microcontroller that uses Renesas Electronics' unique RXv2 enhanced core. Its main frequency is up to 120MHz and it has a built-in DSP signal processing unit. It also includes a variety of on-chip peripherals and large-capacity storage space.
The RX600 series includes multiple product lines and models that can be applied to different products. The RX600 series has enhanced analog peripheral functions, built-in Ethernet and USB host functions, and can be used for high-speed communication connections. With high-capacity RAM and enhanced security, connectivity and HMI capabilities, suitable MCU models can be selected based on application scenarios such as industrial or home use. The following will introduce several major product lines of the RX600 series.
RX64M Functional Block Diagram
The RX64M microcontroller can operate at up to 120 MHz, providing 4.55 Core Mark/MHz leading performance. The RX64M product is equipped with a large amount of memory, up to 4 MB of Flash and 552 KB of RAM. Built-in functions include event controllers like the RX200, 12-bit A/D converters, 12-bit D/A converters, versatile timers, SCI, SPI, I2C, CAN, security, and other rich features, as well as very much on the market Required SD card interface, audio interface and IEEE 1588 Industrial Ethernet functionality. Therefore, RX64M products are ideal for industrial equipment, network equipment and other applications requiring advanced real-time performance and large-capacity memory. In addition, various middleware are also prepared for the software, which shortens application development time.
Functional Block Diagram of RX65N/RX651
The RX65N and RX651 offer two flash memory capacity product models of 1 MB or less, 1.5MB or more. A flash memory product model with 1 MB or less is equipped with 256 KB large-capacity RAM for high-speed communication processing required for various communication interfaces (such as Ethernet, USB, CAN, SD master/slave interface and Quad SPI, etc.). The 1.5 MB or larger flash product model has stronger encryption capabilities, and Trusted Secure IP (TSIP) protects encryption keys by controlling access rights, and by combining these rich and varied communication functions, a high level of trust root is achieved. In addition, the security protection and Dual-Bank function can prevent mistakes from being written in the on-chip flash memory, thus achieving a safe and simple program update through the network. In addition, a product model with a large-capacity RAM of 640 KB enables it to handle complex tasks at high speeds, and can use LCDC and 2D graphics engines to implement a rich user interface.
The RX65N and RX651 products are highly compatible in the same series in terms of functionality scalability and pin assignments. In addition, driver/middleware (FIT support), sample code generation tools (code generators), and evaluation boards (starter kits and Envision Kits) are provided to reuse most of the developed hardware/software resources. There are also partner user interface (UI) tools that make it easy to build human-machine interfaces. Based on these, we can help customers easily achieve seamless and scalable product development from small-scale applications to large-scale applications in a short time. In addition, there are multiple solutions specifically designed for the RX651 and RX65N products to help customers quickly apply the HMI (Human Machine Interface) necessary for encryption and IoT applications to their products.
Safety features
With a wide range of products such as the Internet of Things, MCU functions are increasingly complex, and MCUs carry the core functions of the products. Security and confidentiality are very important. Many traditional MCUs have built-in hardware encryption functions, or manufacturers provide customers with some software encryption algorithms, but these limitations are too many.
The RX600 series has extremely high security features. In addition to the commonly used AES symmetric encryption algorithm, RSA asymmetric algorithm, Hash function, true random number generator, and Trusted Secure IP (TSIP) function, encryption can be used in a secure environment. Module and key protection features.
From the above figure, we can see that, under the traditional encryption method of the MCU, the CPU can directly access the encryption module and cannot protect the encryption key. After others obtain the MCU, it may be possible to illegally decrypt the information. Compared with traditional encryption methods, Trusted Secure IP (TSIP) can prevent unauthorized use of encryption modules, strongly protect keys, and prevent blind copying by others. TSIP can be used in the Internet of Things field, such as smart home data encryption, to protect personal information and prevent devices from being controlled by others. In addition, TSIP can also perform secure firmware updates, encrypt the firmware, prevent firmware leakage, and protect software assets.
Graphical interface GUI
The RX65X advanced product in the RX600 series features a built-in LCDC controller and 2D graphics engine to quickly develop a graphical user interface system.
Supports various data formats and output panels, supports multiple functions, supports WQVGA/16-bit color and VGA/8-bit color at most, and has a 3-layer Alpha blend of monochrome background layer, layer 1 and layer 2, and many Pixel format. No need for external RAM, single-chip implementation of a small TFT LCD display solution, new bus control functions, can reduce CPU load when accessing graphics data.
In addition, Renesas Electronics and SEGGER have collaborated to provide users with free GUI graphical software tools to develop graphical interfaces. All customers using the RX651/RX65N advanced can use the emWin GUI software on their hardware at no additional cost.
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