As we all know, the foundation of the Internet of Things is the interconnection of objects. Therefore, simple, stable and reliable networking capabilities are one of the most important elements of the development of the Internet of Things. In both wired and wireless modes, the importance of wireless IOT interconnection is self-evident due to the wide distribution of devices and items connected to the network and the advantages of wireless communication technology in networking convenience.
In recent years, with the rapid development of Internet of Things applications, wireless communication technology has ushered in a major outbreak, and the market volume has also grown geometrically. As a result, manufacturers of chips (such as processors and microcontrollers MCUs) have been rushing to upgrade the card-based IoT market. Among them, there is the RTL8710 chip launched by Taiwan Ruiqi Company for the Internet of Things market.
The main features of Realtek RTL8710:
• 802.11 b/g/n, CMOS MAC, physical layer baseband
• Built-in low-power 32-bit CPU: can double as an application processor
• Built-in TCP/IP stack
• Built-in TR switch, balun, LNA, power amplifier and matching network
• Built-in PLL, voltage regulator and power management components
• MO, 2x1 MIMO
• Aggregation of A-MPDUs, A-MSDUs, and guard intervals of 0.4 s
• WiFi @ 2.4 GHz with WPA/WPA2 security mode
• Support STA/AP/STA+AP working mode
• Support for Smart Config features (both Android and iOS devices)
• HSPI, UART, I2C, I2S, IR Remote Control, PWM, GPIO
• Deep sleep keeps current at 10 uA and shutdown current is less than 5 uA
• Wake up, connect and pass packets within 2 ms
• + 20 dBm output power in 802.11b mode
• Standby power consumption is less than 1.0 mW (DTIM3)
• Operating temperature range: -40°C - 130°C
As a complete WiFi solution, Realtek RTL8710 can run independently or as a slave on other host MCUs. It has an ultra-low-power 32-bit micro CPU with a main frequency of 166 MHz and can be used for application processing. When the application is installed and used as the only processor in the device, it can be booted directly from the external flash memory. The built-in cache helps improve system performance and reduce memory requirements.
When the RTL8710 is responsible for wireless access to the WiFi adapter, it can be added to any microcontroller-based design. The connection is simple and easy to use, just by SPI / SDIO interface or I2C / UART port. Powerful on-chip processing and storage capabilities make it possible to integrate sensors and other application-specific devices through the GPIO port, minimizing system resources during minimal up-front development and operation.
From the parameters in the above table, you can clearly see the performance of the Raychem RTL8710.
The Raychem RTL8710 CPU clocked at 166MHz and is packaged in QFN-48 (6x6mm) with 42K of available memory. With the built-in 1MB flash, the Realtek RTL8710 not only has a small size, but also helps developers reduce development costs. The Realtek RTL8710 GPIO has a maximum of 21 pins, and has a maximum I2C of 3, a maximum of 2 PCMs, and up to 4 PWMs, and supports 2 high-speed UARTs and 1 low-speed UART. In terms of data throughput, the maximum number of Raychem RTL8710 is 150Mbps in 802.11n network mode.
In terms of market applications, Realtek RTL8710 can be used in smart home, home mobility, industry line control, sensor networks, wearable power products, line location sensing devices, security ID tags, line positioning system signals, etc. .
Through testing, it was found that the Realtek RTL8710 chip is not only stable, but also has a low packet loss rate. Our compatibility with the Raychem RTL8710 router and the stability of the network connection are also satisfactory. In terms of data security, the Realtek RTL8710 is more secure and supports MD5, SHA-1/2, HMAC-MD5, HMAC-SHA1, HMAC-SHA2 and other authentication algorithms.
Whether the product can be accepted by the market, in addition to the advantages of the product itself, it depends on whether the price of the product can be accepted by the market. As a new Internet of Things wifi chip, Realtek RTL8710, in addition to good performance, lower pricing also caters to the market.
In summary, the Realtek RTL8710 is very promising both in terms of market positioning and pricing. It can be said that in the Internet of Things wifi chip market, the Realtek RTL8710 is indeed a solution worth considering.
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