Radiocrafts
Embedded Wireless Solutions
RC1240/1280/1290
©2011 Radiocrafts AS RC1240/RC1280/RC1290 Data Sheet (rev. 1.62) Page 24 of 26
Document Revision History
Document Revision Changes
1.0 First release
1.1 Data buffer length changed from 200 to 145
RC1240: Number of channels increased from 30 to 69
Sleep current typo corrected from 85 uA to 0.9 mA on first page
Active polarity and RESET added in pin description
1.2 Data buffer length changed from 145 to 128
Added more information in the Pin description
Added PCB layout recommendation
Added carrier tape and reel specification
Digital I/O specifications added in Electrical Specifications
Updated Electrical Specifications
Added timing information
Added RSSI data
Minor corrections for clarity
1.3 Timing information changed according to latest firmware upgrade (rev 1.16
and later)
Minor spelling errors corrected, clarifications added
Emphasized that some digital I/Os have 100 kOhm series resistors
Note on VCC rise-time in the Power Management section
Pin description for PA_EN and LNA_EN added
New section on external PA and LNA control added
Spurious emission in TX corrected in Electrical Specifications
Added more information on power-on-reset when using ON/OFF
1.4 Power Management: Corrected reset signal series resistor value from
100kOhm to 10kOhm
Timing Information: Added a note on periodic recalibration of UART time base
1.5 Added timing info on Config pin low to prompt
Updated product status to Full Production
1.61 Added pin description equivalent circuits
Added UART baud rate tolerance specification
Added soldering profile recommendation
Added note on 2 stop-bits if CTS is used
Added note on RSSI measurement is followed by a new prompt
Added note on delay after channel-byte in timing information
Added configuration memory write cycle specification, and note in the text
Added new section and more information on Power on Reset and reset
circuits
Added new section and more information on I/O pin interfaces
Added more info on ON/OFF in pin description
Added note on digital signal output level and level translators
Added new section on regulatory compliance information
Clarified awakening from SLEEP mode using RXEN and TXEN
Clarified Product Status and Definition
Clarified layout recommendations
1.62 Added FCC/IC info regarding RC1290.
Adjusted output power based on statistics
Updated solder recommendation to new JEDEC/IPC standard.