ADVANCE
CYW43570
Features
■ Adaptive frequency hopping (AFH) for reducing radio
IEEE 802.11X Key Features
frequency interference.
■ IEEE 802.11ac Draft compliant.
■ Host controller interface (HCI) using a USB or high-speed
UART interface and PCM for audio data. HCI/UART interface
capable but not currently supported.
■ Dual-stream spatial multiplexing up to
867 Mbps data rate.
■ Supports 20, 40, and 80 MHz channels with optional SGI (256
■ USB 2.0 full-speed (12 Mbps) supported for Bluetooth.
QAM modulation).
■ Low-power mode helps power consumption of the media
■ Full IEEE 802.11a/b/g/n legacy compatibility with enhanced
devices.
performance.
■ Supports multiple simultaneous advanced audio distribution
■ Tx and Rx low-density parity check (LDPC) support for
profiles (A2DP) for stereo sound.
improved range and power efficiency.
■ Automatic frequency detection for standard crystal and TCXO
■ Supports IEEE 802.11ac/n beamforming.
values.
■ On-chip power amplifiers and low-noise amplifiers for both
■ Supports serial flash interfaces.
bands.
General Features
■ Supports various RF front-end architectures including:
■ Supports 3.3V power supplies with internal switching
❐ Three antennas design: two separate antennas (Core0 and
Core1 to WLAN) and a separate antenna to Bluetooth.
regulator.
❐ Optional support: two antennas with WLAN diversity and a
■ Programmable dynamic power management
shared Bluetooth antenna.
■ 484 bytes of user-accessible OTP for storing board param-
■ Internal fractional nPLL allows support for a wide range of
eters
reference clock frequencies.
■ GPIOs supported: 16
■ Supports PCIe Gen2 interface but up to Gen1 transfer speed.
■ Package: 254-ball FCBGA
■ OneDriver™ software architecture for easy migration from
existing embedded WLAN and Bluetooth devices as well as
future devices.
(10 mm × 10 mm, 0.4 mm pitch)
■ Security:
❐ WPAand WPA2 (personal) support for powerful encryption
and authentication
Bluetooth Key Features
■ ComplieswithBluetoothCoreSpecificationVersion4.1+EDR
with provisions for supporting future specifications.
❐ AES and TKIP in hardware for faster data encryption and
IEEE 802.11i compatibility
❐ Reference WLAN subsystem provides Cisco Compatible
Extensions (CCX, CCX 2.0, CCX 3.0, CCX 4.0, CCX 5.0)
■ Bluetooth Class 1 or Class 2 transmitter operation.
❐ Reference WLAN subsystem provides Wi-Fi protected set-
■ Supports extended synchronous connections (eSCO), for
enhanced voice quality by allowing for retransmission of
dropped packets.
up (WPS)
■ Worldwideregulatorysupport:Globalproductssupportedwith
worldwide homologated design.
Document Number: 002-15054 Rev. *I
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