CYWUSB6941 Datasheet, PDF (1/14 Pages) Cypress Semiconductor – WirelessUSB EX Radio

PRELIMINARY
CYWUSB6941
WirelessUSB™ EX Radio
1.0 Features
The Cypress CYWUSB6941 WirelessUSB™ EX radio trans-
ceiver is designed to work with the Cypress CYWUSB6942
WirelessUSB EX baseband controller to provide a complete
WirelessUSB EX solution. The CYWUSB6941 contains a
2.4-GHz radio transceiver, a GFSK modem, and a radio
control interface that communicates with the CYWUSB6942.
• Typically requires only eight external components for
ease of implementation and manufacturing
• -6-dBm (typical) transmit power for a transmission
range of up to 10 meters
• -82-dBm (typical) receive sensitivity
• Provides low-power operating modes to conserve
battery life
• 2.7V to 3.6V operation
• 7 x 5 x 1.2 mm 42-pin FBGA package
2.0 Applications
The CYWUSB6941 is targeted for the following Human Input
Device (HID) applications:
• Mice
• Keyboards
• Joysticks/Gamepads.
Block Diagram
BRXD
BMISO
BMOSI
BDCLK
BnDEN
FM
D em odulator
F r equenc y
O ffs et
C or rection
Bias &
Pwr C ntr l
LN A
RFIN
2.4G H z
PLL
4.8 GHz
I _F/2
Q
13M Hz
XTL OSC
Transm itter
U p-C onver t
TX
Data In
PA
RFOUT
PA
Pow er
C on tr ol
PA CTL
Figure 2-1. CYWUSB6941 Block Diagram
Cypress Semiconductor Corporation •
Document #: 38-16004 Rev. *A
3901 North First Street
• San Jose, CA 95134 • 408-943-2600
Revised June 10, 2003