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ML7344J 데이터시트(PDF) 130 Page - List of Unclassifed Manufacturers

부품명 ML7344J
상세설명  Sub-GHz band short range wireless transceiver IC
PDF  151 Pages
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제조업체  ETC2 [List of Unclassifed Manufacturers]
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ML7344J 데이터시트(HTML) 130 Page - List of Unclassifed Manufacturers

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FEDL7344C/E/J-04
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(4) PLL unlock detection
○TX
During TX, if PLL unlock is detected, PLL unlock interrupt (INT[2] group1) will be generated. When PLL
unlock interrupt occurs, Force_TRX_OFF is automaticcally issued and move to IDLE state. SET_TRX[3:0]
([RF_STATUS: B0 0x0B(3-0)]) will be written to 0b0011(Force_TRX_OFF). PLL unlock might be occurred
when VCO calibration value is not correct. Please confirm VCO calibration or perform VCOcalibration again.
After PLL unlock interrupt occurs, max. 147 μs is necessary to move to IDLE state. Please wait for at least
147μs before next TX, RX or VCO calibration is performed.
No
Next packet TX?
Yes
PLL unlock (INT[12])?
[INT_SOURCE_GRP1:B0 0x0D(2)]
Normal TX
(To TX flowchart)
No
Yes
END
INT[12] clear
[INT_SOURCE_GRP1:B0 0x0D(2)]
TX_ON issue
[RF_STATUS:B0 0x0B]
Wait TRX_OFF(IDLE)
(147μsec)
Write TX data
[WR_TX_FIFO:B0 0x7C]
* Force_TRX_OFF is issued
automatically
.
START



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