User's Guide

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UG-AL5721_1.0 P.1/7

AL6621 Worldwide Wireless USB Device Radio Card User Guide

INTRODUCTION

The AL6621 PCB Radio module is a complete compact device radio reference design

that enables quick design of UWB enabled products.

The AL6621 combines the Alereon AL5100/AL6301 chipset along with on board power

supplies, an antenna output and a USB 2.0 system interface.

1.0 REFERENCE DESIGN FEATURES

• Optimized Performance with AL5100 (3.1GHz to 8.976GHz) WiMedia BG#1, 3, 6

• Complete Baseband Processor (BBP) and Media Access Controller (MAC)

• High Precision Data Path and Data Converters allowing reliable link at extended

ranges

• Fully Integrated MAC Protocol Engine Supports All Industry Standards WiMedia

protocols

- Certified Wireless USB

- WiMedia Link Layer Protocol

- Bluetooth 3.0 (supported by future SW releases)

• Industry Standard Interfaces

- USB 2.0 – Data

- USB 2.0 – WiMedia Cable Association

• Operates from a single (+3.3 V, regulated) supply

• Small Form Factor (Minicard form factor)

• 3 GPIO lines for LED Indicators or additional system control signals

2.0 Usage and Documentation

The AL6621 is a complete, self-contained UWB radio module requiring only +3.3V

regulated power from the host system and providing USB 2.0 interfaces to the host

system for data and the WiMedia association function. The AL6621 is intended to

provide a simple path for a wired USB product design to migrate to a UWB enabled

wireless USB product design.

The AL6621 is a wireless USB certified platform and has received FCC approval as a

Modular UWB transmitter under subpart F of the FCC rules with the FCC ID:

U9YAL6621. The product implementation can apply these approvals to the product

which incorporates the AL6621.

This document provides an outline of the purpose and functionality provided by the

AL6621, complete information for the product system designer is contained in the

Alereon Reference Design Kit (RDK) package consisting of: Schematic diagram, BOM,

and PCB fabrication information including a full Gerber data set.

Summary of content (7 pages)

PAGE 1
AL6621 Worldwide Wireless USB Device Radio Card User Guide INTRODUCTION The AL6621 PCB Radio module is a complete compact device radio reference design that enables quick design of UWB enabled products. The AL6621 combines the Alereon AL5100/AL6301 chipset along with on board power supplies, an antenna output and a USB 2.0 system interface. 1.0 REFERENCE DESIGN FEATURES • • • • • • • • Optimized Performance with AL5100 (3.1GHz to 8.
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3.0 User I/O Interface AL6621 Connector Function NC NC NC NC GND NC NC GND Host_ Select# NC GND NC NC GND GND NC NC GND C2D RST#/C2CLK AL_GPIO_2 AL_GPIO_4 AL_GPIO_5 AL_GPIO_7 Host_Connect_LED NC Pin # 1 3 5 7 9 11 13 15 Pin # 2 4 6 8 10 12 14 16 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 Function 3.3V GND NC NC NC NC NC USB VBUS GND W_Disable# Association_CLR# NC GND Assoc. D+ Assoc. DAssoc.
PAGE 3
AL6621 Pin Function Description Pin # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Pin Name NC 3.3V NC GND NC NC NC NC GND NC NC NC NC NC GND USB VBUS Host_Select# I I 18 19 20 GND NC W_Disable# I 21 22 GND Association_CLR# I 23 24 25 26 27 28 29 30 31 32 33 34 35 NC NC NC GND GND Assoc. D+ GND Assoc. DNC Assoc. VBUS NC GND GND UG-AL5721_1.0 I/O I/O I/O I Description No Connection +3.
PAGE 4
36 37 38 39 40 41 USB DC2D USB D+ RST#/C2CLK GND AL_GPIO_2 I/O I/O I/O I/O I/O 42 43 Dock_LED AL_GPIO_4 O I/O 44 45 Security_LED# AL_GPIO_5 O I/O 46 47 Data_LED# AL_GPIO_7 O I/O 48 49 50 51 52 NC Host_Connect_LED GND NC 3.
PAGE 5
4.3 UWB Antenna The AL6621 has received FCC approval when employed with one UWB antenna. The approved antenna is: • ACON (Taiwan) model number ADM6P-700047 This is the only antenna approved by the FCC for use with the Alereon AL6621, any substitution of any other antenna automatically invalidates the FCC approval. 5.0 Regulatory Information The AL6621 is approved under subpart F of the FCC rules as a Modular UWB Transmitter.
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Recommended connector: Molex 67910-0002 PCI Express Mini Card Connector with Molex 48099-4000 PCI Express Mini Card Latch. UG-AL5721_1.0 P.
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UG-AL5721_1.0 P.