Silicon Laboratories SI4421 Related Products And Documents, Demo Boards and Development Kits

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RELATED PRODUCTS AND DOCUMENTS

 

 

 

Si4421

RELATED PRODUCTS AND DOCUMENTS

 

 

 

Si4421 Universal ISM Band FSK Transceiver

 

 

 

 

 

 

 

DESCRIPTION

ORDERING NUMBER

 

 

 

 

 

 

Si4421 16-pin TSSOP

Si4421-IC CC16

Revision # A1

 

 

 

 

 

Demo Boards and Development Kits

 

 

 

 

 

 

 

DESCRIPTION

ORDERING NUMBER

 

 

 

 

 

 

Development Kit

IA ISM – DK

 

 

 

 

 

 

ISM Repeater Demo

IA ISM – DARP

 

 

Related Resources

 

 

 

 

 

 

 

DESCRIPTION

ORDERING NUMBER

 

 

 

 

 

 

Antenna Selection Guide

IA ISM – AN1

 

 

 

 

 

 

Antenna Development Guide

IA ISM – AN2

 

 

 

 

 

Si4221 Universal ISM Band FSK Transmitter

See www.silabs.com for details

 

 

 

 

 

Si4320 Universal ISM Band FSK Receiver

See www.silabs.com for details

Note: Volume orders must include chip revision to be accepted.

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The specifications and descriptions in this document are based on

 

 

 

information available at the time of publication and are subject to change

 

 

 

without notice. Silicon Laboratories assumes no responsibility for errors or

 

 

 

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the use of information included herein. Additionally, Silicon Laboratories

 

 

 

assumes no responsibility for the functioning of undescribed features or

 

 

 

parameters. Silicon Laboratories reserves the right to make changes to the

 

 

 

product and its documentation at any time. Silicon Laboratories makes no

 

 

 

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Silicon Labs, Inc.

 

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Contents FUNCTIONAL BLOCK DIAGRAM FEATURESDESCRIPTION TYPICAL APPLICATIONSDETAILED FEATURE-LEVELDESCRIPTION RF Power Amplifier PAData Filtering and Clock Recovery Si4421Low Battery Voltage Detector Wake-UpTimerData Validity Blocks Crystal OscillatorSi4421 PACKAGE PIN DEFINITIONS NameType FunctionSi4421 Internal Pin ConnectionsName Internal connectionPIN6 Logic Diagram FSK / DATA / nFFS PIN10 Logic Diagram nRES I/ONote These pins can be left floating Si4421Si4421 Typical ApplicationRecommended supply decoupling capacitor values Pin Function vs. Operation ModeRecommended Operating Range Si4421 GENERAL DEVICE SPECIFICATIONSAbsolute Maximum Ratings non-operating Si4421 ELECTRICAL SPECIFICATIONDC Characteristics Si4421 AC Characteristics PLL parametersAC Characteristics Receiver Si4421 AC Characteristics TransmitterAC Characteristics Turn-on/Turnaroundtimings AC Characteristics OthersSi4421 Note 10 By designTiming Diagram Si4421 CONTROL INTERFACETiming Specification Si4421 Control CommandsControl Register Default Values Description of the Control Commands Configuration Setting Command2. Power Management Command Si4421Logic connections between power control bits Si4421Frequency Setting Command 4. Data Rate Command5. Receiver Control Command Si4421VDI Logic Diagram Si44216. Data Filter Command Si44217.FIFO and Reset Mode Command Si44218. Synchron Pattern Command 9. Receiver FIFO Read Command10. AFC Command Si4421Si4421 Bit 5-4rl1 to rl0Si4421 11. TX Configuration Control CommandFrequency Setting Command Si4421 13. Transmitter Register Write Command12. PLL Setting Command Si4421 14. Wake-UpTimer Command15.Low Duty-CycleCommand Vlb= 2.25 + V · 0.1 V Clock divider configuration Si4421Bit Name 17. Status Read CommandSi4421 Si4421 INTERRUPT HANDLING TX REGISTER BUFFERED DATA TRANSMISSION Si4421Si4421 Typical TX register usageSi4421 RX FIFO BUFFERED DATA READ RECOMMENDED PACKET STRUCTURESSi4421 CRYSTAL SELECTION GUIDELINES Bit Rate 2.4 kbpsBit Rate 9.6 kbps Bit Rate 38.4 kbpsSi4421 RX-TXALIGNMENT PROCEDURES Si4421 RESET MODES Sensitive Reset Enabled, Ripple on Vdd FIFO and Reset Mode Command pageSW Reset Command Si4421Si4421 TYPICAL PERFORMANCE CHARACTERISTICS Channel Selectivity and BlockingBER Curves in 868 MHz Band Si4421BER Curves in 433 MHz Band Si4421 434 MHzSi4421 REFERENCE DESIGNS SchematicsEvaluation Board with 50 Ohm Matching Network Frequency Dependent Component ValuesSi4421 PCB Layout Top View Bottom ViewSchematics Si4421Evaluation Board with Resonant PCB Antenna BIFA Frequency Dependent Component ValuesTop View Bottom View Si4421PCB Layout Antenna designed for 868/915 MHz band See Detail “A” Section B-B Si4421 PACKAGE INFORMATION16-pinTSSOP RELATED PRODUCTS AND DOCUMENTS Si4421 Universal ISM Band FSK TransceiverDemo Boards and Development Kits Related ResourcesSi4421