CYRF8935_13 Datasheet, PDF (38/40 Pages) Cypress Semiconductor – WirelessUSB™-NL 2.4 GHz Low Power Radio

CYRF8935
Document History Page
Document Title: CYRF8935, WirelessUSB™-NL 2.4 GHz Low Power Radio
Document Number: 001-61351
Rev.
ECN No.
Orig. of Submission
Change
Date
Description of Change
**
2963911 HEMP 06/28/2010 New data sheet.
*A
3039285 HEMP 09/27/2010 Updated Block diagram
Updated Init, Xtal Osc, RxSens measurement.
Revised state diagram and package diagram.
Updated Functional Description.
Payload format NRZ only. Revised power control table; showed absolute, not
relative power.
Deleted reference to NAK.
Added RSSI curve.
Corrected Reg. 7, 32, 41 definition.
Updated recommended register values table.
Updated Absolute Maximum voltages and temperature range.
Updated Rx I typical value.
Used PAxx to show power level settings.
Updated third harmonics and V_DO values.
Added die information to ordering code.
*B
3112690 HEMP 12/16/2010 No technical updates; integrated with EROS.
*C
3296429 HEMP / 06/29/2011 Removed Preliminary status from datasheet.
KKCN
Modified product description.
Changed GND1...GND5 to GND in the Logic Block Diagram.
Added note about BRCLK’s availability only on bare die.
Replaced 32-pin with 24-pin and package details.
Updated ‘Enter Sleep and Wakeup’ functional description.
Updated figures 7 and 8.
Updated typical application diagram.
Adding ‘Setting the Radio Frequency’ section.
Modified ‘Crystal Oscillator’ section
Deleted BRCLK pin, CKPHA signal, and FEC13 mode.
Updated ‘Reading RSSI’ section.
Updated register definitions
Updated various electrical specs.
Updated ordering information.
*D
3363798 HEMP 09/07/2011 Added information on die and wafer parts in Features, Ordering Information,
and Ordering Code Definitions.
*E
3440958 HEMP 11/17/2011 Updated Power-on and Register Initialization Sequence section.
Updated Initialization Timing Requirements table.
Updated Initialization Flowchart.
Updated Typical Application and Reset Pull-up Circuit diagram.
Added Reset Pull-up section.
Added Register 27 in RF Register Information table.
Added footnote for RF PLL settling time.
Updated T_SDO max value.
*F
3794924 SELV 12/10/2012 Updated Logic Diagram.
Added notes 1, 3, 4, 5, 7, 9, and 13.
Updated values of T_SCKH, T_SCKL, T_SSU parameters in Table 14.
Updated Package Diagram as per spec 001-13937 *E.
Document Number: 001-61351 Rev. *J
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