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PDF CYWUSB6941 Data sheet ( Hoja de datos )
| Número de pieza | CYWUSB6941 | |
| Descripción | WirelessUSB EX Radio | |
| Fabricantes | Cypress Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de CYWUSB6941 (archivo pdf) en la parte inferior de esta página. Total 14 Páginas | ||
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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.
www.DataSheet•4UT.ycopmically 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
LNA 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
1 page  
PRELIMINARY
CYWUSB6941
4.0 Pin Description
Table 4-1. Pin Description Table for the CYWUSB6941
Ball Name Type Default
Description
RF Pins
E1 RFIN Input N/A Antenna Input. Modulated RF signal received.
F5 RFOUT Output N/A Antenna Output. Modulated RF signal to be transmitted.
Filter/Crystal/Power Control Pins
D7 X13 Input N/A Crystal Differential Input. Input for a differential crystal oscillator.
E7 X13IN Input N/A Crystal Differential Input. Input for a differential crystal oscillator.
B7 X13OUT Output
System Clock. Buffered 13-MHz system clock.
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Radio Control Interface (Data Pins)
A5 BTXD Input
Transmit Data. Transmit data input port.
A6 BRXD Output
Receive Data. Demodulated and sliced digital receive data.
D5 PACTL Output
Power Amplifier Control. High is an enable for external power amplifier in the transmit
mode.
Radio Control Interface (Control Pins)
B5 BRCLK Output
Transmit Clock. 1-MHz clock associated with the transmit data.
C5 BPAEN Input
Power Amplifier Enable. Enables the PA in transmit mode. Active HIGH.
C6 BRXEN Input
Receive Circuitry Enable. This signal enables the receive circuitry. Active HIGH.
B6 BTXEN Input
Transmit Circuitry Enable. This signal enables the transmit circuitry. Active HIGH.
C4 BSEN Input
Synthesizer Enable. This signal enables the hop synthesizer. Active HIGH.
A2 BnPWR Input
Power-on Reset. This signal is active LOW. Connects to CYWUSB6942 signal BnPWR
D6 BXTLEN Input
Crystal Oscillator Enable. This signal enables the crystal oscillator. Active HIGH.
Serial Interface Pins
A3 BMOSI Input
Input Data. This is the serial data input pin.
B3 BMISO Output
Output Data. This is the serial data output pin.
A4 BDCLK Input
Input Clock. This is the serial input clock.
B4 BnDEN Input
Enable. This signal enables the serial communication.
Power and Ground Pins
B2
VCC1
VCC
H VCC pins for RF and analog baseband signals.
D1 VCC2
F6 VCC3
E6
VCC4
VCC
H VCC pin for digital signals.
A1 GND GND L Ground pins.
A7
C2
C3
C7
D2
D3
D4
E2
E3
E4
E5
F1
Document #: 38-16004 Rev. *A
Page 5 of 14
5 Page 
PRELIMINARY
10.1 Transmit and Receive Timing Diagram
CYWUSB6941
BXTLEN
BSEN
t
B X TLE N
TXMODE
BTXEN
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BRCLK
BPA EN
tBSE N
t
B TX E N
BTXD
RFOUT
tCA RR IE R
RXMODE
BRXEN
RFIN
t
B RX E N
BRXD
tC AR R IER = 10 µs m inim um
t
BRXDPB
Figure 10-1. Transmit and Receive Timing Diagram
t
B P A OFF
Document #: 38-16004 Rev. *A
Page 11 of 14
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet CYWUSB6941.PDF ] | |
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