Datasheet ESP8266EX (Espressif) - 6

1. Overview ! • Multiple queue management to fully utilize traffic prioritization defined by 802.11e standard. • UMA compliant and certified. • 802.1h/RFC1042 frame encapsulation. • Scattered DMA for optimal CPU off load on Zero Copy data transfer operations. • Antenna diversity and selection (software managed hardware). • Clock/power gating combined with 802.11-compliant power management dynamically adapted to current connection condition providing minimal power consumption. • Adaptive rate fallback algorithm sets the optimum transmission rate and Tx power based on actual SNR and packet loss information. • Automatic retransmission and response on MAC to avoid packet discarding on slow host environment. • Seamless roaming support. • Configurable packet traffic arbitration (PTA) with dedicated slave processor based design provides flexible and exact timing Bluetooth co-existence support for a wide range of Bluetooth Chip vendors. • Dual and single antenna Bluetooth co-existence support with optional simultaneous receive (Wi-Fi/Bluetooth) capability. Espressif ! / 2 !23 2016.03