CYWUSB6935 Datasheet, PDF (1/33 Pages) Cypress Semiconductor – WirelessUSB LRTM 2.4-GHz DSSS Radio SoC

CYWUSB6935
WirelessUSB LR™ 2.4-GHz DSSS Radio SoC
1.0 Features
• 2.4-GHz radio transceiver
• Operates in the unlicensed Industrial, Scientific, and
Medical (ISM) band (2.4 GHz–2.483 GHz)
• –95-dBm receive sensitivity
• Up to 0dBm output power
• 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
components required
• Dual DSSS reconfigurable baseband correlators
• SPI microcontroller interface (up to 2-MHz data rate)
• 13-MHz input clock operation
• Low standby current < 1 µA
• Integrated 30-bit Manufacturing ID
• Operating voltage from 2.7V to 3.6V
• Operating temperature from –40° to 85°C
• Offered in a small footprint 48 QFN
2.0 Functional Description
The CYWUSB6935 transceiver is a single-chip 2.4-GHz Direct
Sequence Spread Spectrum (DSSS) Gaussian Frequency
Shift Keying (GFSK) baseband modem radio that connects
directly to a microcontroller via a simple serial peripheral
interface.
The CYWUSB6935 is offered in an industrial temperature
range 48-pin QFN and a commercial temperature range 48-
pin QFN.
3.0 Applications
• Building/Home Automation
— Climate Control
— Lighting Control
— Smart Appliances
— On-Site Paging Systems
— Alarm and Security
• Industrial Control
— Inventory Management
— Factory Automation
— Data Acquisition
• Automatic Meter Reading (AMR)
• Transportation
— Diagnostics
— Remote Keyless Entry
• Consumer / PC
— Locator Alarms
— Presenter Tools
— Remote Controls
— Toys
DIOV A L
DIO
IRQ
SS
SCK
MISO
MOSI
RESET
PD
Digital
SERDES
A
DSSS
Bas eband
A
SERDES
B
DSSS
Bas eband
B
Synthesizer
GFSK
Modulator
GFSK
Demodulator
RFOUT
RFIN
Figure 3-1. CYWUSB6935 Simplified Block Diagram
Cypress Semiconductor Corporation
Document #: 38-16008 Rev. *C
• 3901 North First Street
• San Jose, CA 95134 • 408-943-2600
Revised March 17, 2005