Document No. 002-14949 Rev. *E Page 8 of 113
1.2 Features
The CYW43353 supports the following features:
■ IEEE 802.11a/b/g/n/ac dual-band radio with virtual-simultaneous dual-band operation
■ Bluetooth v4.1 + EDR with integrated Class 1 PA
■ Concurrent Bluetooth and WLAN operation
■ On-chip WLAN driver execution capable of supporting IEEE 802.11 functionality
■ WLAN host interface options:
❐ SDIO v3.0 (1-bit/4-bit)—up to 208 MHz clock rate in SDR104 mode
❐ gSPI—up to 48 MHz clock rate
■ BT host digital interface (which can be used concurrently with the above interfaces):
❐ UART (up to 4 Mbps)
■ ECI—enhanced coexistence support, ability to coordinate BT SCO transmissions around WLAN receptions
■ I
2
S/PCM for BT audio
■ HCI high-speed UART (H4, 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 I
2
S and PCM interface)
■ Bluetooth SmartAudio
®
technology improves voice and music quality for automotive and industrial applications
■ Bluetooth low-power inquiry and page scan
■ Bluetooth Low Energy (BLE) support
■ Bluetooth Packet Loss Concealment (PLC)
■ Bluetooth Wide Band Speech (WBS)
■ Audio rate-matching algorithms
1.3 Standards Compliance
The CYW43353 supports the following standards:
■ Bluetooth 2.1 + EDR
■ Bluetooth 3.0
■ Bluetooth 4.1 (Bluetooth Low Energy)
■ IEEE802.11ac single-stream mandatory and optional requirements for 20 MHz, 40 MHz, and 80 MHz channels
■ IEEE 802.11n—Handheld Device Class (Section 11)
■ IEEE 802.11a
■ IEEE 802.11b
■ IEEE 802.11g
■ IEEE 802.11d
■ IEEE 802.11h
■ IEEE 802.11i
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