bcm4716 Broadcom Corp., bcm4716 Datasheet

bcm4716

Manufacturer Part Number

bcm4716

Description

Bcm4716 - Intensi-fi Xlr 802.11n 2.4 Ghz Router System-on-chip

Manufacturer

Broadcom Corp.

Datasheet

1.BCM4716.pdf (2 pages)

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•

INTENSI-FI

High-performance low-cost Draft-802.11n compliant System-

on-a-Chip (SoC) CPU/MAC/baseband/radio wireless router

solution

Optimized Intensi-fi

Technology—a unique set of hardware and software

enhancements that ensure more robust wireless coverage in

the far corners of a home.

Designed to work with various external switch arrangements

(10/100/1000, 10/100, and single-port PHY)

Integrated 533-MHz MIPS32

• 32-KB I-cache, 32-KB D-cache

• 64-entry translation lookaside buffer (TLB)

Enhanced 10/100/1000 Ethernet MAC controller

Integrated dual-band radio transceiver

Embedded hardware acceleration

State-of-the-art security (IEEE 802.1X/WPA™/WPA2™)

USB 2.0 EHCI host ports

Up to 2-Gbit DDR SDRAM and up to 32-MB Flash memory

F E A T U R E S

2x2 11n

FEM/PA

2.4/5 GHz

XLR 2 × 2 IEEE 802.11N 2.4-GHZ + 5-GHZ ROUTER SOC

XLR platform with Accelerange™

(BCM4717/BCM4718)

2x2 11n

2.4 GHz (BCM4716)

2.4/5 GHz (BCM4717/BCM4718)

DDR1/DDR2

(BCM4716)

74K™ core

DDR1

FEM/PA

BCM4718 Only

BCM4322

BCM4716/BCM4717/BCM4718

MII/RvMII/RGMII

MAC/BB/Radio

DDR SDRAM

Draft 802.11n

(BCM4718 Only)

10/100/1000

Functional Block Diagram

PCIe

Interface

1-Lane

MAC

I/F

BCM4716/BCM4717/BCM4718

(32 KB)

I-Cache

300 MHz (BCM4716, BCM4717)

USB 2.0 Host Ports

One-BCM4717

Two-BCM4718

533 MHz (BCM4718)

USB 2.0 Host

High-Speed

MIPS74K

EJTAG

•

Core

Brief

Single-chip Draft-802.11n with reduced power consumption

enables compact form factors with low cost and high-

performance.

Optimized reduced bill of materials (RBOM) and PCB to

enable smallest cost delta over IEEE 802.11g designs.

Reduced host CPU utilization.

Enhanced system performance.

Two-stream spatial multiplexing with data rates up to 300

Mbps.

Multiple memory (DDR/Flash) configurations supported to

enable low-end to high-end performance options.

Single- and dual-band Draft IEEE 802.11n wireless home

routers/access points (AP)

Gigabit and 10/100 Ethernet routers and access points/WET

Simultaneous dual-band routers with additional MAC/PHY/

Radio (BCM4322, for example)

D-Cache

(32 KB)

S U M M A R Y O F B E N E F I T S

A P P L I C A T I O N S

S & S/PDIF

Interface

SRAM

128 KB

UART

Flash

GPIO

UART Interface

Audio Interface

(BCM4717/BCM4718)

GPIOs

Flash Memory

Related parts for bcm4716

bcm4716 Summary of contents

Page 1

... Gigabit and 10/100 Ethernet routers and access points/WET • Simultaneous dual-band routers with additional MAC/PHY/ Radio (BCM4322, for example) Functional Block Diagram BCM4716/BCM4717/BCM4718 300 MHz (BCM4716, BCM4717) Draft 802.11n 533 MHz (BCM4718) MAC/BB/Radio MIPS74K Core 1-Lane I-Cache ...

Page 2

... IEEE 802.11a/b/g devices (BCM4716 supports legacy IEEE 802.11b/g devices only). This improved functionality is accomplished through a combination of enhanced MAC and PHY implementations, ...

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