Description
Atmel® ATWINC1500B is a single chip IEEE® 802.11 b/g/n Radio/Baseband/MAC network controller optimized for low-power mobile applications. ATWINC1500B supports single stream 1x1 802.11n mode providing up to 72Mbps PHY rate. ATWINC1500B features fully integrated Power Amplifier, LNA, Switch, and Power Management. ATWINC1500B also features an on-chip microcontroller and integrated Flash memory for system software. Implemented in 65nm CMOS technology, the ATWINC1500B offers very low power consumption while simultaneously providing high performance and minimal bill of materials.

FEATUREs
• IEEE 802.11 b/g/n 20MHz (1x1) solution
• Single spatial stream in 2.4GHz ISM band
• Integrated PA and T/R Switch
• Superior Sensitivity and Range via advanced PHY signal processing
• Advanced Equalization and Channel Estimation
• Advanced Carrier and Timing Synchronization
• Wi-Fi Direct and Soft-AP support
• Supports IEEE 802.11 WEP, WPA, and WPA2 Security
• Supports China WAPI security
• Superior MAC throughput via hardware accelerated two-level A-MSDU/A-MPDU frame aggregation and block acknowledgement
• On-chip memory management engine to reduce host load
• Integrated Flash memory for system software
• SPI, UART, and I2C host interfaces
• 2- or 3-wire Bluetooth coexistence interface
• Operating temperature range of -40°C to +85°C
• Power save modes:
   – <4µA Power Down mode typical @3.3V I/O

   – 380uA Doze mode with chip settings preserved (used for beacon monitoring)
   – On-chip low power sleep oscillator
   – Fast host wake-up from Doze mode by a pin or host I/O transaction
• Fast boot options:
   – On-Chip Boot ROM (firmware instant boot)
   – SPI Flash boot (firmware patches and state variables)
   – Low-leakage on-chip memory for state variables
   – Fast AP re-association (150ms)
• On-Chip Network Stack to offload MCU:
   – Integrated Network IP stack to minimize host CPU requirements
   – Network features: TCP, UDP, DHCP, ARP, HTTP, SSL, and DNS
• Hardware accelerators for Wi-Fi and SSL security to improve connection time
• Hardware accelerator for IP checksum
• Hardware accelerators for OTA security