CYWUSB6935_10 Datasheet, PDF (1/36 Pages) Cypress Semiconductor – WirelessUSB™ LR 2.4 GHz DSSS Radio SoC

CYWUSB6935
WirelessUSB™ LR 2.4 GHz DSSS Radio
SoC
Features
■ Low standby current < 1 µA
■ 2.4-GHz radio transceiver
■ Operates in the unlicensed Industrial, Scientific, and Medical
(ISM) band (2.4 GHz to 2.483 GHz)
■ Integrated 30-bit Manufacturing ID
■ Operating voltage from 2.7 V to 3.6 V
■ Operating temperature from –40 °C to 85 °C
■ Receive sensitivity: –95 dBm
■ Offered in a small footprint 48 QFN
■ Up to 0 dBm output power
Functional Description
■ Range of up to 50 meters or more
■ Data throughput of up to 62.5 kbits/sec
■ Highly integrated low cost, minimal number of external compo-
nents required
■ Dual direct sequence spread spectrum (DSSS) reconfigurable
baseband correlators
The CYWUSB6935 transceiver is a single-chip 2.4 GHz DSSS
s ^{Gaussian Frequency Shift Keying (GFSK) baseband modem}
n ^{radio that connects directly to a microcontroller via a simple serial}
ig ^{peripheral interface.}
s ^{The CYWUSB6935 is offered in an industrial temperature range}
De ^{48-pin QFN and a commercial temperature range 48-pin QFN.}
■ SPI microcontroller interface (up to 2 MHz data rate)
w _{■ 13-MHz input clock operation}
Ne Logic Block Diagram – CYWUSB6935
for _DIOVAL
d _DIO
nde _IRQ
me SS
SCK
m MISO
MOSI
eco _RESET
Not ^{R PD}
Digital
SERDES
A
DSSS
Baseband
A
SERDES
B
DSSS
Baseband
B
Synthesizer
GFSK
Modulator
GFSK
Demodulator
RFOUT
RFIN
Cypress Semiconductor Corporation • 198 Champion Court
Document Number : 38-16008 Rev. *G
• San Jose, CA 95134-1709 • 408-943-2600
Revised October 05, 2010
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