PRELIMINARY
CYW43340
1.2 Features
The CYW43340 supports the following WLAN and Bluetooth features:
■ IEEE 802.11a/b/g/n dual-band radio with internal Power Amplifiers, LNAs, and T/R switches
■ Bluetooth v4.0 with integrated Class 1 PA
■ Concurrent Bluetooth, and WLAN operation
■ On-chip WLAN driver execution capable of supporting IEEE 802.11 functionality
■ Single- and dual-antenna support
❐ Single antenna with shared LNA
❐ Simultaneous BT/WLAN receive with single antenna
■ WLAN host interface options:
❐ SDIO v2.0, including default and high-speed timing.
❐ HSIC (USB device interface for short distance on-board applications)
■ BT host digital interface (can be used concurrently with above interfaces):
❐ UART (up to 4 Mbps)
■ ECI—enhanced coexistence support, ability to coordinate BT SCO transmissions around WLAN receives
■ I2S/PCM for BT audio
■ HCI high-speed UART (H4, H5) transport support
■ Wideband speech support (16 bits linear data, MSB first, left justified at 4K samples/s for transparent air coding, both through I2S
and PCM interface)
■ Bluetooth SmartAudio® technology improves voice and music quality to headsets
■ Bluetooth low power inquiry and page scan
■ Bluetooth Low Energy (BLE) support
■ Bluetooth Packet Loss Concealment (PLC)
■ Bluetooth Wideband Speech (WBS)
■ Audio rate-matching algorithms
■ Multiple simultaneous A2DP audio stream
Document Number: 002-14943 Rev. *L
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