Silicon Laboratories SI4421 manuali

Silicon laboratories SI4421 Manuale Utente (45 pagine)

Marchio: Silicon-laboratories | Categoria: Sicurezza | Dimensione: 1.40 MB |

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Si4421 Universal ISM Band

1

FSK Transceiver

1

RF Power Amplifier (PA)

2

Baseband Filters

2

PACKAGE PIN DEFINITIONS

4

Internal Pin Connections

5

Typical Application

7

Recommended Operating Range

8

ELECTRICAL SPECIFICATION

9

Notes are on page 12

10

AC Characteristics (Others)

11

Control Commands

14

2. Power Management Command

15

4. Data Rate Command

17

5. Receiver Control Command

17

6. Data Filter Command

19

) / bit rate

20

8. Synchron Pattern Command

21

10. AFC Command

21

TX BYTE1 TX BYTEnTX BYTE2

24

(REGISTER IT

24

in TX mode*)

24

14. Wake-Up Timer Command

25

15. Low Duty-Cycle Command

25

17. Status Read Command

27

INTERRUPT HANDLING

28

Fraction of the

30

Dummy byte

30

RX FIFO BUFFERED DATA READ

31

CRYSTAL SELECTION GUIDELINES

32

RX-TX ALIGNMENT PROCEDURES

33

RESET MODES

34

= 2.7 V)

36

BER Curves in 433 MHz Band:

37

BER Curves in 868 MHz Band:

37

REFERENCE DESIGNS

39

Schematics

41

PACKAGE INFORMATION

43

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