CYWUSB6941-42BAC Cypress Semiconductor Corp, CYWUSB6941-42BAC Datasheet

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CYWUSB6941-42BAC

Manufacturer Part Number
CYWUSB6941-42BAC
Description
Manufacturer
Cypress Semiconductor Corp
Datasheet

Specifications of CYWUSB6941-42BAC

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Cypress Semiconductor Corporation
Document #: 38-16004 Rev. *A
1.0
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
• -6-dBm (typical) transmit power for a transmission
• -82-dBm (typical) receive sensitivity
• Provides low-power operating modes to conserve
• 2.7V to 3.6V operation
• 7 x 5 x 1.2 mm 42-pin FBGA package
ease of implementation and manufacturing
range of up to 10 meters
battery life
Features
BDCLK
BnDEN
BMISO
BMOSI
Block Diagram
BRXD
D em odulator
C or rection
Frequency
Offset
FM
Pwr C ntr l
Figure 2-1. CYWUSB6941 Block Diagram
Bias &
3901 North First Street
PRELIMINARY
2.0
The CYWUSB6941 is targeted for the following Human Input
Device (HID) applications:
• Mice
• Keyboards
• Joysticks/Gamepads.
XTL OSC
2.4GHz
13M Hz
PLL
WirelessUSB™ EX Radio
Applications
U p-C onver t
Transm itter
Data In
San Jose
TX
Q
I
F/2
4.8 GHz
,
LN A
C on tr ol
CA 95134
Power
PA
PA
RFOUT
PA CTL
RFIN
Revised June 10, 2003
CYWUSB6941
408-943-2600

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CYWUSB6941-42BAC Summary of contents

Page 1

... BRXD C or rection BMISO BMOSI BDCLK BnDEN Cypress Semiconductor Corporation Document #: 38-16004 Rev. *A PRELIMINARY WirelessUSB™ EX Radio 2.0 The CYWUSB6941 is targeted for the following Human Input Device (HID) applications: • Mice • Keyboards • Joysticks/Gamepads. FM Offset 2.4GHz PLL 13M Hz XTL OSC Bias & ...

Page 2

... AC Test Loads and Waveforms for Digital Pins ....................................................................... 13 12.0 ORDERING INFORMATION ........................................................................................................ 14 13.0 PACKAGE DESCRIPTION .......................................................................................................... 14 Figure 2-1. CYWUSB6941 Block Diagram .............................................................................................. 1 Figure 3-1. CYWUSB6941 Application Example with External Components .......................................... 4 Figure 4-1. CYWUSB6941 42-Ball FBGA Top View................................................................................ 7 Figure 5-1. CYWUSB6941 Radio/Baseband Interface Diagram ............................................................. 8 Figure 10-1. Transmit and Receive Timing Diagram ............................................................................. 12 Figure 12-1 ...

Page 3

... GFSK modem, and a radio control interface that communicates with the CYWUSB6942 WirelessUSB EX baseband. The CYWUSB6941 also facilitates the development of a complete WirelessUSB EX system with a minimum number of additional components, typically requiring only eight external components (including crystal) for ease of implementation and manufacturing (refer to Figure 3-1). Specific features include: • ...

Page 4

... CC1 0.1 F 0.1 F CYWUSB 6942 Figure 3-1. CYWUSB6941 Application Example with External Components Note: 1. The matching network components between the RFIN, and RFOUT are chosen based on the usage of a four-layer FR4 PCB (part number PCD-9100). See application notes for additional details on board layout requirements. See application notes for RF critical design considerations. ...

Page 5

... Pin Description Table 4-1. Pin Description Table for the CYWUSB6941 Ball Name Type Default RF Pins E1 RFIN Input N/A F5 RFOUT Output N/A Filter/Crystal/Power Control Pins D7 X13 Input N/A E7 X13IN Input N/A B7 X13OUT Output Radio Control Interface (Data Pins) A5 BTXD Input A6 BRXD ...

Page 6

... Table 4-1. Pin Description Table for the CYWUSB6941 (continued) Ball Name Type Default F2 GND GND Reserved GND N/A B1 Reserved GND N/A C1 Reserved GND N GND BnPW R B Reserved VCC1 C Reserved GND D VCC2 GND E RFIN GND F GND GND 1 Figure 4-1. CYWUSB6941 42-Ball FBGA Top View Document #: 38-16004 Rev ...

Page 7

... Radio Control Interface The CYWUSB6941 radio control interface is the communication interface between the CYWUSB6941 transceiver and the CYWUSB6942 WirelessUSB EX baseband. It consists of a data interface and a control interface for transmitting and receiving data, and a serial interface for a control interface from the WirelessUSB baseband CYWUSB6941. ...

Page 8

... Document #: 38-16004 Rev. *A PRELIMINARY ................................................................................. –0.3V to +3.9V ......................................................................................... > 2000 V ............................................................................................ > 500 V Conditions –2 2 < V < BXTLEN = 0 BnPWR = 1 BXTLEN =1 BXTLEN = 1 BSEN =1 BXTLEN = 1 BSEN = 1 BRXEN=1 BXTLEN = 1 BSEN = 1 BTXEN =1 BXTLEN = 1 BSEN = 1 BTXEN = 1 BPAEN = 1 CYWUSB6941 +0.3V CC +0.3V CC Min. Typ. Max. Unit 2.4 V 0 –0.3 0.8 V – ...

Page 9

... MHz – 12.75 GHz Harmonic Spurious nd 2 Harmonic through 5 Notes: 3. BER PRBS9 sequence 4. Subharmonics of receive frequency excluded. Document #: 38-16004 Rev. *A PRELIMINARY Description [3] ± 2 MHz) th Harmonic CYWUSB6941 Conditions Min. Typ. Max. 2.402 2.480 –3 BER < 10 -82 –3 BER < 10 –38 –33 –3 BER < –60 dBm – ...

Page 10

... Time from BTXEN to BPAEN BTXEN Serial Interface Timing Parameters t BDCLK period BDCLK Duty cycle of BDCLK t Hold time, data stable after positive edge on BDCLK HLD t Set-up time, data stable before positive edge on BDCLK SU Document #: 38-16004 Rev. *A PRELIMINARY Description CYWUSB6941 Min. Typ. Max. Unit 100 250 ...

Page 11

... Transmit and Receive Timing Diagram BXTLEN TLE N BSEN TX M ODE BTXEN BRCLK BPA EN BTXD RFOUT RX M ODE BRXEN RFIN BRXD inim IER Figure 10-1. Document #: 38-16004 Rev. *A PRELIMINARY RRIE Transmit and Receive Timing Diagram CYWUSB6941 OFF Page ...

Page 12

... Parameter R1 1071 R2 937 R 500 3.00 CC 12.0 Ordering Information Table 12-1. Ordering Information Part Number Package Name CYWUSB6941-42BAC 42FBGA Note: 5. Companion part CYWUSB6942 is required for proper operation. Document #: 38-16004 Rev. *A PRELIMINARY OUTPUT 5 pF INCLUDING JIG AND SCOPE Typical GND Unit Rise time: 1 V/ns ...

Page 13

... Package Description The CYWUSB6941 comes in a 42-ball FBGA package with package size 1.2 mm and a ball pitch of 0.75 mm. All dimensions are in millimeters (mm). WirelessUSB™ trademark of Cypress Semiconductor. All product and company names mentioned in this document are the trademarks of their respective holders. ...

Page 14

... Document History Page Document Title:CYWUSB6941 WirelessUSB™ EX Radio Document Number: 38-16004 Issue Orig. of REV. ECN NO. Date Change ** 122944 02/26/03 LXA *A 125914 06/16/03 KKU Document #: 38-16004 Rev. *A PRELIMINARY Description of Change New Data Sheet Updates to tables, timing and signals. CYWUSB6941 Page ...

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