Recently, the Internet of Things wireless communication chip design company - Beijing Liansheng De Microelectronics officially released a new generation of embedded Wi-Fi SoC chip W600!
W600 is a new generation of 802.11n (1T1R) low-power WLAN SoC chip supporting multi-interface and multi-protocol. The chip has a built-in Cortex-M3 CPU processor and Flash, integrated RF transceiver front-end RF Transceiver, CMOS PA power amplifier, baseband processor/media access control, integrated power management circuit, support for rich peripheral interfaces, and support for multiple encryption and decryption protocols. W600 has the advantages of providing customers with more secondary development space, smaller chip and module size, fewer peripheral circuit devices, easier development and better cost performance.
W600 Functional Block Diagram
Chip appearance
QFN32 package, 5mm x 5mm.
Chip integration
1. Integrated 32-bit embedded Cortex-M3 processor;
2. Integrated 288KB data storage;
3. Integrated 1MB Flash;
4. Integrated 2.4G RF transceiver to meet the IEEE802.11 specification;
5. Integrated PA/LNA/TR-Switch;
6. Integrated 32.768KHz clock oscillator;
7. Integrated power management circuit;
8, integrated universal encryption hardware accelerator, support PRNG (Pseudo random Number Generator) / SHA1/ MD5 / RC4 / DES / 3DES / AES / CRC and other encryption and decryption protocols;
9, support 3.3V single power supply;
10. Integrated PS-Poll, U-APSD low power management.
Chip interface
1. Integrate one SDIO2.0 Device controller, support SDIO1 bit / 4 bit / SPI three operating modes; working clock range 0~50MHz;
2, integrated 2 UART interfaces, support RTS / CTS, baud rate range 1200bps ~ 2Mbps;
3. Integrate a high-speed SPI device controller with a working clock range of 0~50MHz;
4. Integrate an I2C controller to support 100/400Kbps rate;
5. Integrated GPIO controller;
6, integrated PWM controller, support 5 PWM single output or 2 PWM input;
7, integrated duplex I2S controller, support 32KHz to 192KHz I2S interface codec;
8. Integrated 7816 interface, support ISO-7816-3 T=0/1 mode, support EVM2000 specification, and compatible with serial port function.
Protocol and function
1. Support GB15629.11-2006, IEEE802.11 b/g/n/e/i/d/k/r/s/w;
2. Support WAPI2.0;
3. Support Wi-Fi WMM/WMM-PS/WPA/WPA2/WPS;
4. Support Wi-Fi Direct;
5. Support EDCA channel access mode;
6, support 20/40M bandwidth working mode;
7. Support AMPDU and AMSDU;
8, support IEEE802.11n MCS 0~7, MCS32 physical layer transmission rate gear, the transmission rate up to 150Mbps;
9. Support STA/AP/AP+STA function;
10. Support monitoring function.
The W600 chip is only 5mm x 5mm, but the integration is very high. The chip integrates RF Switch, Balun, low noise amplifier, filter, power amplifier, power management module, etc. In addition, 1MByte Flash is built in, which makes the peripheral circuit components of the chip less, and the module is smaller and more cost-effective. The W600 not only provides a richer interface and more memory space, but also integrates various encryption and decryption hardware accelerators to provide faster execution of encryption and decryption algorithms. The chip uses the industry-standard Cortex-M3 processor, which is more portable and friendly.
As a wireless communication chip, W600 has high transmit power in RF performance (IEEE802.11b 11Mbps transmit power can reach 19dBm; HT20 MCS07 transmit power can reach 12dBm;) and high sensitivity (IEEE802.11b 1Mbps receive sensitivity can reach -96dBm The HT20 MCS07 has a receiving sensitivity of -73dBm. The chip is self-calibrating to reduce the effects of manufacturing process variations.
The W600 chip has domestic proprietary intellectual property and is self-controllable. With the advent of the W600 chip, Lianshengde has also launched a small-scale reference design module and a wealth of development kit resources. The W600 software SDK is compatible with the W500 in terms of API interface, which is convenient for iterative upgrade of W500 old customers. Moreover, for new customers, the W600 not only provides serial AT commands for easy docking of external MCUs, but also provides a secondary development platform for single chips and provides more RAM space. The chip can be used in a wide range of Internet of Things applications such as home appliances, small appliances, wireless audio and video, smart toys, medical monitoring and industrial control.
Lian Shengde has focused on the design, development and application of embedded Wi-Fi SoCs in the Internet of Things for many years. In the future, Lianshengde still insists on customer-centered, market-oriented, value creation as the core, and strives to be the forerunner and leader of the industry. At the same time, we will continue to provide our customers with quality Chinese core products and strong service support.
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