4320-DKDB5 Silicon Laboratories Inc, 4320-DKDB5 Datasheet - Page 15
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4320-DKDB5
Manufacturer Part Number
4320-DKDB5
Description
KIT DEV TEST EZRADIO SI4320 RX
Manufacturer
Silicon Laboratories Inc
Specifications of 4320-DKDB5
Accessory Type
Test Card, Receiver, 868MHz
Wireless Frequency
868 MHz
Interface Type
SPI
Modulation
FSK, OOK
For Use With/related Products
EZRadio®
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
7. AFC Command
Bit 0 (en) enables the calculation of the offset frequency by the AFC circuit (it allows the addition of the content of the output register to the
frequency control word of the PLL).
Bit 1 (oe) when set, enables the output (frequency offset) register
Bit 2 (fi) when set, switches the circuit to high accuracy (fine) mode. In this case the processing time is about four times longer, but the
measurement uncertainty is less than half.
Bit 3 (st) strobe edge, when st goes to high, the actual latest calculated frequency error is stored into the output registers of the AFC block.
Bit 4-5 (rl0, rl1) range limit: Limits the value of the frequency offset register to the following values:
Bit 6-7 (a0, a1) Automatic operation mode selector:
Bit
15
1
14
1
13
0
12
0
a1
0
0
1
1
11
0
a0
0
1
0
1
10
1
Auto mode off (Strobe is controlled by microcontroller)
Runs only once after each power-up
Drop the f
Keep the f
9
1
rl1
offset
0
0
1
1
offset
8
0
value when the VDI signal is low
value independently from the state of the VDI signal
rl0
0
1
0
1
a1
7
Automatic operation mode
a0
6
Max dev [f
No restriction
+15/-16
rl1
5
+7/-8
+3/-4
rl0
4
res
]
st
3
2
fi
f
315, 433MHz bands: 2.5kHz
868MHz band: 5kHz
915MHz band: 7.5kHz
res
oe
:
1
en
0
C6F7h
POR
Si4320
15