ADVANCE

CYW43143

Single Chip IEEE 802.11 b/g/n MAC/PHY/Radio with

USB/SDIO Host Interface

Cypress Semiconductor Corporation

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198 Champion Court

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San Jose

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408-943-2600

Document Number: 002-15045 Rev. *F

Revised April 20, 2017

The CYW43143 is a single-band, single-stream, IEEE 802.11n compliant, MAC/PHY/Radio system-on-a-chip with internal 2.4 GHz

Power Amplifier (PA) and integrated T/R switch. The CYW43143 supports internal RX diversity by providing two antenna ports. The

device enables development of USB or SDIO 802.11n WLAN clients that can take advantage of the high throughput and extended

range of Cypress second-generation solution. The CYW43143 maintains compatibility with legacy IEEE 802.11b/g devices.

State-of-the-art security is provided by industry standard support for WPA, WPA2 (802.11i), and hardware-accelerated AES

encryption/decryption, coupled with TKIP, IEEE 802.1X support, and a WLAN Authentication and Privacy Infrastructure (WAPI)

hardware engine.

Embedded hardware acceleration enables increased system performance and reduced host-CPU utilization in both client and access

point configurations. The CYW43143 also supports Cypress widely accepted and deployed WPS to easily secure WLAN networks.

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.

Features

Supports 3.3V ±10% power supply input with high efficiency

Power Management Unit (PMU).

management.

USB host interfaces.

IEEE 802.11x Key Features:

4-bit and 1-bit) host interfaces.

throughput.

mance.

operating systems.

includes WPA, WPA2, and AES encryption/decryption, coupled

with TKIP, IEEE 802.1X support, and a WAPI encryption/

decryption engine.

channels provides PHY layer rates up to 150 Mbps for typical

upper-layer throughput in excess of 90 Mbps.

(STBC) and low-density parity check (LDPC) options for

improved range and power efficiency.

optimize bandwidth utilization with other colocated wireless

technologies such as GPS, WiMAX, LTE, Bluetooth, and UWB.

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 448 KB SRAM and

256 KB ROM.

Table 1. Mapping Table for Part Number between Broadcom and Cypress

Broadcom Part Number

Cypress Part Number

BCM43143

CYW43143

BCM43143KMLG

CYW43143KMLG