BCM43455 datasheet(2/159 Pages) CYPRESS

2 / 159 page

43455-DS109-R

5300 California Avenue • Irvine, CA 92617 • Phone: 949-926-5000 • Fax: 949-926-5203

November 5, 2015

Preliminary Data Sheet

BCM43455

Single-Chip 5G WiFi IEEE 802.11ac MAC/Baseband/

Radio with Integrated Bluetooth 4.1 and FM

Receiver

Figure 1: Functional Block Diagram

GENERAL DESCRIPT ION

The Broadcom® BCM43455 single-chip device

provides the highest level of integration for a mobile or

handheld wireless system with integrated single-

stream IEEE 802.11ac MAC/baseband/radio,

Bluetooth 4.1,and FM receiver.

In IEEE 802.11ac mode, the WLAN operation

supports rates of MCS0–MCS9 (up to 256 QAM) in

20 MHz, 40 MHz, and 80 MHz channels for data rates

of up to 433.3 Mbps. All rates specified in the IEEE

802.11a/b/g/n are supported. Included on-chip are

2.4 GHz and 5 GHz transmit amplifiers and receive

low-noise amplifiers. Optional external PAs and LNAs

are also supported.

The WLAN section supports the following host

interface options: an SDIO v3.0 interface that can

operate in 4b or 1b mode, a high-speed 4-wire UART,

and a PCIe Gen1 (3.0 compliant) interface. The

Bluetooth section supports a high-speed 4-wire UART

interface.

Using advanced design techniques and process

technology to reduce active and idle power, the

BCM43455 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 direct operation from a mobile

platform battery while maximizing battery life.

The BCM43455 implements highly sophisticated

enhanced collaborative coexistence hardware

mechanisms and algorithms, which ensure that

WLAN and Bluetooth collaboration is optimized for

maximum performance. In addition, coexistence

support for external radios (such as LTE cellular and

GPS) is provided via an external interface. As a result,

enhanced overall quality for simultaneous voice,

video, and data transmission on a handheld system is

achieved.

FEM or

T/R

Switch

VIO

VBAT

5 GHz WLAN Tx

5 GHz WLAN Rx

2.4 GHz WLAN Tx

2.4 GHz WLAN/BT Rx

Bluetooth Tx

FM Rx

WLAN

Host I/F

Bluetooth

Host I/F FM

Rx Host I/F

WL_REG_ON

SDIO

PCIe

BT_REG_ON

UART

BT_DEV_WAKE

BT_HOST_WAKE

CBF

I2S

FM Audio Out

I2S

PCM

COEX

External

Coexistence I/F

FEM or

Optional

T/R

Switch

FM I/F

UART

BCM43455

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