AS3977-BQFT austriamicrosystems, AS3977-BQFT Datasheet - Page 24

• 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 I n f o r m a t i o n
Figure 10. Reading of a Single Byte (falling edge sampling)
Figure 11. Reading of Data with Auto-Incrementing Address
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and data take over condition is determined here
(µC Driven)
ENABLE
DATAO
DATAIO
clock cycles low, the power down state is left
DATAIO
In case the enable has been longer than 2
ENABLE
(AS3977
DATAI
DATAO
Driven)
DATAI
CLK
CLK
Enable low must be shorter than 2
the power conditions and the data takeover condition
0
0
1
1
A
A
5
5
A
4
A
4
0
0
Address A5-A0 is
A
A
3
3
transferred here
Data D7-D0 at
A
A
2
2
1
1
A
A
1
1
A
0
A
0
D
D
7
7
A5
A5
D
D
6
6
D
D
5
5
16
D
D
4
4
A4
A4
16
is transferred here
Address A5-A0+1
D
D
3
3
clock cycles to keep
Data D7-D0 at
D
D
2
2
A3
A3
D
D
1
1
D
D
0
0
D
D
7
7
transferred to the Output Register
Data D7-D0 at Address A5-A0 is
A2
A2
D
D
6
6
D
D
5
5
D
Revision 3.5
D
4
4
A1
A1
is transferred here
Address A5-A0+2
D
D
3
3
Data D7-D0 at
of AS3977
D
D
2
2
D
D
1
1
A0
A0
D
D
0
0
DATAIO line driver control changes
D
D
7
7
from microcontroller to AS3977
D
D
6
6
D7
D7
D
D
5
5
D
D
4
4
is transferred here
Address A5-A0+3
D6
D6
D
D
3
3
Data D7-D0 at
D
D
2
2
D
D
1
1
D5
D5
D
D
0
0
D
D
7
7
D
D
6
6
D4
D4
D
D
5
5
D
D
4
4
is transferred here
D
D
3
3
Address A5-A0+4
D3
D3
Data D7-D0 at
D
D
2
2
D
D
1
1
D
D
0
0
D2
D2
D
D
7
7
D
D
6
6
D1
D1
D
D
5
5
D
D
4
4
D
D
3
3
D
D0
D0
D
2
2
D
D
1
1
Signals
end of
read
D
D
0
0
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