CYW4343X
1.2 Features
The CYW4343X supports the following WLAN, Bluetooth, and FM features:
■
■
■
■
■
■
IEEE 802.11b/g/n single-band radio with an internal power amplifier, LNA, and T/R switch
Bluetooth v4.1 with integrated Class 1 PA
Concurrent Bluetooth, FM (RX) RDS/RBDS, and WLAN operation
On-chip WLAN driver execution capable of supporting IEEE 802.11 functionality
Simultaneous BT/WLAN reception with a single antenna
WLAN host interface options:
❐
SDIO v2.0, including default and high-speed timing.
gSPI—up to a 50 MHz clock rate
❐
■
■
BT UART (up to 4 Mbps) host digital interface that can be used concurrently with the above WLAN host interfaces.
ECI—enhanced coexistence support, which coordinates BT SCO transmissions around WLAN receptions.
■
■
I2S/PCM for FM/BT audio, HCI for FM block control
HCI high-speed UART (H4 and H5) transport support
■
Wideband speech support (16 bits, 16 kHz sampling PCM, through I2S and PCM interfaces)
■
■
■
■
■
■
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)
FM advanced internal antenna support
FM auto searching/tuning functions
■
■
■
■
■
FM multiple audio routing options: I2S, PCM, eSCO, and A2DP
FM mono-stereo blending and switching, and soft mute support
FM audio pause detection support
Multiple simultaneous A2DP audio streams
FM over Bluetooth operation and on-chip stereo headset emulation
1.3 Standards Compliance
The CYW4343X supports the following standards:
■
■
■
■
■
■
■
■
■
■
Bluetooth 2.1 + EDR
Bluetooth 3.0
Bluetooth 4.1 (Bluetooth Low Energy)
65 MHz to 108 MHz FM bands (US, Europe, and Japan)
IEEE 802.11n—Handheld Device Class (Section 11)
IEEE 802.11b
IEEE 802.11g
IEEE 802.11d
IEEE 802.11h
IEEE 802.11i
The CYW4343X will support the following future drafts/standards:
■
■
■
■
IEEE 802.11r — Fast Roaming (between APs)
IEEE 802.11k — Resource Management
IEEE 802.11w — Secure Management Frames
IEEE 802.11 Extensions:
■
■
■
■
IEEE 802.11e QoS Enhancements (as per the WMM® specification is already supported)
IEEE 802.11i MAC Enhancements
IEEE 802.11r Fast Roaming Support
IEEE 802.11k Radio Resource Measurement
Document No. 002-14797 Rev. *H
Page 9 of 128