BCM2040 Broadcom Corporation, BCM2040 Datasheet - Page 2

• Manufacturer Part Number: BCM2040
• Description: SINGLE-CHIP BLUETOOTH MOUSE AND KEYBOARD
• Manufacturer: Broadcom Corporation

The BCM2040 is a major breakthrough in the design of low-cost
Bluetooth mouse and keyboard devices. The BCM2040 is a true single
chip that integrates the entire profile, application, and Bluetooth protocol
stack and is fully compliant with the Bluetooth SIG specification for
human interface devices. The BCM2040 is fully compliant with the
version 1.2 Bluetooth specification, including adaptive frequency
hopping and fast connection, which are essential to mouse and keyboard
applications in personal computers.
Integration is key to achieving the system cost targets of today's PC
OEMs. By integrating all components within today's mouse and
keyboard into the BCM2040, low system costs can be achieved to
approach the price points of legacy-wired mice and keyboards. The
BCM2040 can interface directly to mouse optical or ball encoders and
keyboard scan matrices.
Broadcom
or its subsidiaries in the United States and certain other countries. Bluetooth™ is a trademark owned by
Bluetooth SIG. All other trademarks mentioned are the property of their respective owners.
BROADCOM CORPORATION
16215 Alton Parkway, P.O. Box 57013
Irvine, California 92619-7013
© 2004 by BROADCOM CORPORATION. All rights reserved.
2040-PB02-R
Batteries
2 AAA
®
, the pulse logo, and Connecting everything
EEPROM
BCM2040 Mouse Block Diagram
03/30/04
BCM2040
Power Control for LEDs
and Sensors
®
®
Middle/Scroll
are trademarks of Broadcom Corporation and/
Quad. Sensors
Right
Left
LEDs
O V E R V I E W
X-axis
Y-axis
Scroll
The Bluetooth baseband core has been optimized to maximize the battery
life and functionality required for a mouse or keyboard application.
Battery life has been optimized in the BCM2040 to meet greater than 6
months for the typical user using standard battery technology.
The BCM2040 integrates a high-performance radio implemented in
standard bulk CMOS. It incorporates a proprietary self-calibrating VCO
structure for both excellent phase noise and fast frequency hopping
covering the entire band. All filters have been fully integrated into the
device and are also self-calibrating to automatically compensate for
changes in temperature and any process variation during manufacturing.
The RF interface to the device fully integrates the T/R switch and its
associates matching circuits, enabling direct interface with the antenna.
The block diagrams show how the BCM2040 can be used in either a
mouse or keyboard application.
Batteries
2 AAA
BCM2040 Keyboard Block Diagram
EEPROM
BCM2040
Phone: [phone]
Fax: [phone]
E-mail: [e-mail]
Web: www.broadcom.com
CAPS
Indicators
Key Scan
Matrix
NUM
SCROLL