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The AR1021X is a single chip 2x2 802.11a/b/g/n MIMO solution optimized for low-power embedded applications with dual-stream capability for both transmit and receive. Frame aggregation, reduced inter-frame spacing (RIFS), and half guard intervals provide improved throughput on the link. The AR1021X provides a robust communication solution, supporting maximal ratio combining (MRC), space-time block codes (STBC), and low density parity check (LDPC) codes. Additional performance optimization, such as 802.11n frame aggregation (AMPDU and A-MSDU) is supported, as well as low-overhead host assisted buffering for reception of both A-MSDU and A-MPDU aggregates. The SDIO driver also provides SDIO bus transaction bundling for reduced overhead. These techniques can improve the performance and efficiency of applications involving large bulk data transfers (for example, file transfers or high-resolution video streaming). The typical data path consists of the host interface, mailbox DMA, AHB, memory controller, MAC, BB, and radio. The CPU drives the control path via register and memory access. External interfaces include USB, SDIO or SPI slave, reference clock,and front-end components, as well as optional connections such as UART, SPI/I2C, GPIO, JTAG.
◆ All-CMOS IEEE 802.11a/b/g/n 2x2 single-chip ◆USB2.0 at 480 Mpbs, with LPM support, using an integrated controller and PHY ◆ Extensive hardware support for WLAN coexistence through LPC message passing ◆ Power and clock management for extended battery life ◆ Green-Tx power saving ◆ Low-power listen mode and radio retention for reduced receive power consumption and sleep current ◆ Support for transmit beam forming (TxBF) ◆ Integrated PA, LNA minimizing external component count ◆ Optional external PA, LNA support ◆Data rates of up to 54 Mbps for 802.11a/g and 144.4 for 802.11n HT20, 300 Mbps for HT40 ◆ Advanced power management to minimize standby, sleep and active power ◆Security support for WEP, WPA, WPA2, WAPI, as well as WPS and protected managements frames ◆ Block ACK ◆ UART for console support ◆ JTAG-based processor debugging supported
Tablet / notebook Advertising machine /TV board OTT/IPTV/DVB/STB DV/ IPC/Mini driving recorder / doorbell Smart TV / intelligent projector Pico VR/AR terminal Wireless storage Printer /POS machine / electronic said Vehicle mounted front / rear terminal UAV / robot Intelligent Gateway Toys Lighting lamps / intelligent street lamps Smart home appliances / appliances Instrument and meter (water, electricity, gas) Smart city and other consumer electronic products