AS3977-BQFT austriamicrosystems, AS3977-BQFT Datasheet - Page 3

• Manufacturer Part Number: AS3977-BQFT
• Description: IC RF TRANSMITTER FSK 16-QFN
• Manufacturer: austriamicrosystems

Specifications of AS3977-BQFT

• Frequency: 300MHz ~ 928MHz
• Applications: ISM
• Modulation Or Protocol: FSK
• Data Rate - Maximum: 100 kbps
• Power - Output: 10dBm
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 2 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 16-VQFN Exposed Pad, 16-HVQFN, 16-SQFN, 16-DHVQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Memory Size: -
• Current - Transmitting: -

AS3977
Data Sheet - A p p l i c a t i o n s
Contents
1 General Description..............................................................................................................................
2 Key Features ........................................................................................................................................
3 Applications ..........................................................................................................................................
4 Pin Assignments...................................................................................................................................
5 Absolute Maximum Ratings..................................................................................................................
6 Electrical Characteristics ......................................................................................................................
7 Timing Characteristics ........................................................................................................................
8 Detailed System Description ..............................................................................................................
9 Application Information .......................................................................................................................
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Pin Descriptions ...................................................................................................................................................
Timing Parameters .............................................................................................................................................
Reference Frequency Generator........................................................................................................................
Phase Locked Loop............................................................................................................................................
Gaussian Filter and Digital Modulator ................................................................................................................
Power Amplifier ..................................................................................................................................................
Temperature Sensor ...........................................................................................................................................
Low Power Reset ...............................................................................................................................................
Low Drop Out Regulators ...................................................................................................................................
SDI / Control Interface ........................................................................................................................................
Baud Rate Generator .........................................................................................................................................
Operation Modes ................................................................................................................................................
Transmitter Control Interface..............................................................................................................................
Transmitter Control States..................................................................................................................................
ENABLE Signal Functionality .............................................................................................................................
Communication and Command Byte Structure ..................................................................................................
Transmitter Configuration Register.....................................................................................................................
Special Bits .........................................................................................................................................................
Output Frequency Setting ..................................................................................................................................
Main Characteristics......................................................................................................................................... 1
Additional Features .......................................................................................................................................... 1
Configuration Diagram ................................................................................................................................... 21
Power On Reset ............................................................................................................................................. 22
Writing of Data to Addressable Registers ...................................................................................................... 22
Reading of Data from Addressable Registers ................................................................................................ 23
Transmitting Data ........................................................................................................................................... 25
Power Down State ......................................................................................................................................... 25
Active Edge of CLK ........................................................................................................................................ 26
Active State .................................................................................................................................................... 26
Transmit State ................................................................................................................................................ 26
LT (Lock Transmit) ......................................................................................................................................... 32
LS (Low Power Supply Voltage) .................................................................................................................... 33
MCCS, CLKS and PSC .................................................................................................................................. 33
SETPD (Set Power Down) ............................................................................................................................. 33
Implementation............................................................................................................................................... 34
Optional Frequency Calculation with Overlapping Fractional Bands by Using the Bit INT<8> ...................... 36
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