UPD77533 datasheet(9/104 Pages) RENESAS

9 / 104 page

Data Sheet S15671EJ4V0DS

µµµµPD77533

13. ACK, NACK, ERROR STATUS ............................................................................................................ 41

13.1

Format of ACK, NACK, Error Status ........................................................................................................... 42

13.1.1

ACK .................................................................................................................................................. 42

13.1.2

NACK, error status............................................................................................................................ 42

13.2

Flow of Commands, Reponses, ACK, and NACK ...................................................................................... 43

13.2.1

ACK, NACK in case of local command............................................................................................. 43

13.2.2

ACK, NACK in case of extension command..................................................................................... 44

13.2.3

ACK, NACK in case of server command .......................................................................................... 45

14.

HARDWARE FLOW CONTROL.......................................................................................................45

14.1

When Hardware Flow Control Is Not Performed........................................................................................ 45

14.1.1

Local commands .............................................................................................................................. 46

14.1.2

Extension commands ....................................................................................................................... 46

14.1.3

Server commands............................................................................................................................. 47

15. SERVER COMMANDS ......................................................................................................................... 48

15.1

Handling of Server Commands by Host CPU ............................................................................................ 48

15.1.1

Server command analysis ................................................................................................................ 49

15.1.2

Processing of baud rate change command (“Set Baud Rate”) ......................................................... 50

15.2

Set Baud Rate ............................................................................................................................................... 50

15.2.1

$BD................................................................................................................................................... 50

15.2.2

!bd..................................................................................................................................................... 50

15.2.3

List of baud rates .............................................................................................................................. 51

16. LOCAL COMMANDS............................................................................................................................ 51

16.1

Baud Rate Change........................................................................................................................................ 52

16.2

FCC Reference Frequency........................................................................................................................... 53

16.3

Power Control ............................................................................................................................................... 53

16.4

Reset.............................................................................................................................................................. 54

16.5

RF Power Control ......................................................................................................................................... 55

16.6

Frequency Calibration Control .................................................................................................................... 56

16.7

TXACTV Control ........................................................................................................................................... 56

16.8

Sleep Timer ................................................................................................................................................... 57

16.9

Character Timeout........................................................................................................................................ 58

16.10 !cb Request ................................................................................................................................................... 59

16.11 !ia Request .................................................................................................................................................... 60

16.12 SnapShot Memory Check ............................................................................................................................ 60

16.13 Status Request ............................................................................................................................................. 61

16.14 D77533 Software Version............................................................................................................................. 62

16.15 Processing Status Request ......................................................................................................................... 63

16.16 Rest Processing ........................................................................................................................................... 63

16.17 Error Status................................................................................................................................................... 64

16.18 CA Parameter Set ......................................................................................................................................... 65

16.19 CB Parameter Set ......................................................................................................................................... 66

16.20 Doppler Search Range ................................................................................................................................. 67

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