UPD77533 datasheet(8/104 Pages) RENESAS

8 / 104 page

Data Sheet S15671EJ4V0DS

µµµµPD77533

6. SYSTEM CONTROL ...............................................................................................................................29

6.1

FCC Function ................................................................................................................................................29

6.1.1

Frequency Calibration Control ..........................................................................................................29

6.1.2

FCC Reference Frequency ...............................................................................................................29

6.1.3

Doppler Search Range .....................................................................................................................29

6.2

Baud Rate Setting .........................................................................................................................................30

6.3

RF Power Supply Control.............................................................................................................................31

6.4

TXACTV Control ............................................................................................................................................31

7. SHIFTING TO AND RESTORING FROM POWER SAVE MODE..........................................................32

7.1

Shifting to Power Save Mode via Power Control Command .....................................................................33

7.2

Shifting to Power Save Mode via Sleep Timer Command .........................................................................33

7.2.1

Sleep timer setting ............................................................................................................................33

7.2.2

Sleep Timer operation.......................................................................................................................34

7.3

Restoring from Power Save Mode ...............................................................................................................34

7.3.1

Restoring via WKUPB pin input ........................................................................................................34

7.3.2

Restoring from power save mode via command reception ...............................................................35

8. DEBUG FUNCTION ................................................................................................................................35

9. OTHER FUNCTIONS ..............................................................................................................................36

9.1

Receiver ID Notification................................................................................................................................36

10. OVERVIEW OF COMMAND FUNCTIONS ...........................................................................................36

11. COMMAND TYPES AND RESPONSES...............................................................................................37

11.1

Commands ....................................................................................................................................................37

11.2

Responses.....................................................................................................................................................37

12. PACKET AND COMMAND FORMAT...................................................................................................37

12.1

Packet Format ...............................................................................................................................................38

12.1.1

CMD-ID field .....................................................................................................................................38

12.1.2

LENGTH field....................................................................................................................................38

12.1.3

DATA field.........................................................................................................................................38

12.1.4

FLAG field .........................................................................................................................................38

12.2

Packet Division .............................................................................................................................................39

12.3

Extension Command Format .......................................................................................................................39

12.4

Server Command Format .............................................................................................................................40

12.4.1

Header ..............................................................................................................................................40

12.4.2

Command ID.....................................................................................................................................40

12.4.3

Data field...........................................................................................................................................40

12.4.4

Checksum .........................................................................................................................................41

12.4.5

End ...................................................................................................................................................41

12.5

Packeting and De-packeting Server Commands .......................................................................................41

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