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Cypress Semiconductor Electronic Components Datasheet

CYW43340 Datasheet

Dual-Band (2.4 GHz/5 GHz) IEEE 802.11 a/b/g/n MAC/Baseband/Radio

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PRELIMINARY
CYW43340
Single-Chip, Dual-Band (2.4 GHz/5 GHz)
IEEE 802.11 a/b/g/n MAC/Baseband/
Radio with Integrated Bluetooth 5.0
General Description
The Cypress CYW43340 single–chip quad–radio device provides the highest level of integration for wearables, Internet of Things and
gateway applications, with integrated dual band (2.4 GHz / 5 GHz) IEEE 802.11 a/b/g and single–stream IEEE 802.11n MAC/
baseband/radio, and Bluetooth 5.0. The CYW43340 includes integrated power amplifiers and LNAs for the 2.4 GHz and 5 GHz WLAN
bands, and an integrated 2.4 GHz T/R switch. This greatly reduces the external part count, PCB footprint, and cost of the solution.
Using advanced design techniques and process technology to reduce active and idle power, the CYW43340 is designed to address
the needs of mobile devices that require minimal power consumption and compact size. It includes a power management unit which
simplifies the system power topology and allows for operation directly from a mobile platform battery while maximizing battery life.
The CYW43340 implements the highly sophisticated Enhanced Collaborative Coexistence algorithms and hardware mechanisms,
allowing for an extremely collaborative Bluetooth coexistence scheme along with coexistence support for external radios (such as
cellular and LTE, GPS, WiMAX, and Ultra–Wideband) and a single shared 2.4 GHz antenna for Bluetooth and WLAN. As a result,
enhanced overall quality for simultaneous voice, video, and data transmission in an IoT or wearable application is achieved.
For the WLAN section, two host interface options are included: an SDIO v2.0 interface and a High-Speed Inter-Chip (HSIC) interface
(a USB 2.0 derivative for short-distance on-board connections). An independent, high-speed UART is provided for the Bluetooth host
interface.
Cypress Part Numbering Scheme
Cypress is converting the acquired IoT part numbers from Broadcom to the Cypress part numbering scheme. Due to this conversion,
there is no change in form, fit, or function as a result of offering the device with Cypress part number marking. The table provides
Cypress ordering part number that matches an existing IoT part number.
Table 1. Mapping Table for Part Number between Broadcom and Cypress
Broadcom Part Number
BCM43340
BCM43340XKUBG
BCM43340HKUBG
Cypress Part Number
CYW43340
CYW43340XKUBG
CYW43340HKUBG
Acronyms and Abbreviations
In most cases, acronyms and abbreviations are defined on first use.
For a comprehensive list of acronyms and other terms used in Cypress documents, go to http://www.cypress.com/glossary.
Feautures
IEEE 802.11x Key Features
Dual–band 2.4 GHz and 5 GHz IEEE 802.11
a/b/g/n
Single–stream IEEE 802.11n support for 20 MHz and 40 MHz
channels provides PHY layer rates up to 150 Mbps for typical
upper–layer throughput in excess of 90 Mbps.
Supports the IEEE 802.11n STBC (space–time block coding)
RX and LDPC (low–density parity check) TX options for
improved range and power efficiency.
Supports a single 2.4 GHz antenna shared between WLAN and
Bluetooth.
Shared Bluetooth and 2.4 GHz WLAN receive signal path elimi-
nates 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 GPS, WiMAX, or UWB
Supports standard SDIO v2.0 host interfaces.
Alternative host interface supports HSIC v1.0 (short–distance
USB device)
Integrated ARM® Cortex–M3™ processor and on–chip
memory 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 512
KB SRAM and 640 KB ROM.
OneDriver™ software architecture for easy migration from
existing embedded WLAN and Bluetooth devices as well as
future devices.
Cypress Semiconductor Corporation • 198 Champion Court
Document Number: 002-14943 Rev. *M
• San Jose, CA 95134-1709 • 408-943-2600
Revised Monday, July 23, 2018


Cypress Semiconductor Electronic Components Datasheet

CYW43340 Datasheet

Dual-Band (2.4 GHz/5 GHz) IEEE 802.11 a/b/g/n MAC/Baseband/Radio

No Preview Available !

PRELIMINARY
CYW43340
Bluetooth Key Features
General Features
Qualified for Bluetooth Core Specification 5.0:
QDID: 108508
Declaration ID: D035926
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
frequency interference
Interface support: Host Controller Interface (HCI) using a high-
speed UART interface and PCM for audio data
Low power consumption improves battery life of handheld
devices.
Supports multiple simultaneous Advanced Audio Distribution
Profiles (A2DP) for stereo sound.
Automatic frequency detection for standard crystal and TCXO
values
Supports battery voltage range from 2.9V to 4.8V supplies with
internal switching regulator.
Programmable dynamic power management
3072-bit OTP for storing board parameters
Routable on low–cost 1x1 PCB stack–ups
141-ball WLBGA package(5.67 mm × 4.47 mm, 0.4 mm pitch)
Security:
WPA™ and WPA2™ (Personal) support for powerful encryp-
tion and authentication
AES in WLAN 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)
Reference WLAN subsystem provides Wi–Fi Protected Set-
up (WPS)
Worldwide regulatory support: Global products supported with
worldwide homologated design
Figure 1. Functional Block Diagram
VIO VBAT
WLAN 
Host I/F
Bluetooth
Host I/F
WL_REG_ON
WL_IRQ
SDIO*
HSIC
CLK_REQ
BT_REG_ON
PCM/I2S
BT_DEV_WAKE
BT_HOST_WAKE
UART
5 GHz WLAN Tx
5 GHz WLAN Rx
FEM or
T/R 
Switch
CYW43340     2.4 GHz WLAN + Bluetooth Tx/Rx CBF
IoT Resources
Cypress provides a wealth of data at http://www.cypress.com/internet-things-iot to help you to select the right IoT device for your
design, and quickly and effectively integrate the device into your design. Cypress provides customer access to a wide range of
information, including technical documentation, schematic diagrams, product bill of materials, PCB layout information, and software
updates. Customers can acquire technical documentation and software from the Cypress Support Community website
(http://community.cypress.com/).
Document Number: 002-14943 Rev. *M
Page 2 of 96


Part Number CYW43340
Description Dual-Band (2.4 GHz/5 GHz) IEEE 802.11 a/b/g/n MAC/Baseband/Radio
Maker Cypress Semiconductor
Total Page 30 Pages
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