CYW43353 datasheet(2/113 Pages) CYPRESS

2 / 113 page

Document No. 002-14949 Rev. *F

Page 2 of 113

PRELIMINARY

CYW43353

Features

IEEE 802.11x Key Features

■ IEEE 802.11ac compliant.

■ Single-stream spatial multiplexing up to 433.3 Mbps data

rate.

■ Supports 20, 40, and 80 MHz channels with optional SGI

(256 QAM modulation).

■ Full IEEE 802.11a/b/g/n legacy compatibility with enhanced

performance.

■ Tx and Rx low-density parity check (LDPC) support for

improved range and power efficiency.

■ Supports Rx space-time block coding (STBC)

■ Supports IEEE 802.11ac/n beamforming.

■ On-chip power amplifiers and low-noise amplifiers for both

bands.

■ Support for optional front-end modules (FEM) with external

PAs and LNAs

■ Shared Bluetooth and WLAN receive signal path eliminates

the need for an external power splitter while maintaining

excellent sensitivity for both Bluetooth and WLAN.

■ Internal fractional nPLL allows support for a wide range of

reference clock frequencies

■ Supports IEEE 802.15.2 external coexistence interface to

optimize bandwidth utilization with other co-located wireless

technologies such as LTE, GPS, or WiMAX

■ Supports standard SDIO v3.0 (including DDR50 mode at

50 MHz and SDR104 mode at 208 MHz, 4-bit and 1-bit), and

gSPI (48 MHz) host interfaces.

■ Backward compatible with SDIO v2.0 host interfaces.

■

■ Integrated ARMCR4™ processor with tightly coupled mem-

ory for complete WLAN subsystem functionality, minimizing

the need to wake up the applications processor for standard

WLAN functions. This allows for further minimization of

power consumption, while maintaining the ability to field

upgrade with future features. On-chip memory includes 768

KB SRAM and 640 KB ROM.

■ OneDriver™ software architecture for easy migration from

existing embedded WLAN and Bluetooth devices as well as

future devices.

Bluetooth Key Features

■ Complies with Bluetooth Core Specification Version 4.1 for

automotive and industrial applications with provisions for sup-

porting future specifications.

■ Bluetooth Class 1 or Class 2 transmitter operation.

■ Supports extended synchronous connections (eSCO), for

enhanced voice quality by allowing for retransmission of

dropped packets.

■ Adaptive frequency hopping (AFH) for reducing radio fre-

quency interference.

■ Interface support, host controller interface (HCI) using a

high-speed UART interface and PCM for audio data.

■ Supports multiple simultaneous Advanced Audio Distribution

Profiles (A2DP) for stereo sound.

■ Automatic frequency detection for standard crystal and

TCXO values.

■ Supports low energy host wake-up for long term system

sleep capability.

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