STV8203 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'STV8203' PDF : 31 Pages View PDF
STV8203
PROGRAMMING THE DEVICE (continued)
BCOEFF2 - BCOEFF1 (PLL Loop Filter Integral Coefficient and DCO Gain)
Address
Type
Reset
: 2E-3C
: R/W
: 1010 1100 for BCOEFF2 - 0001 0010 for BCOEFF1
bit 7
SAT SW2 or 1
bit 6
0
bit 5
bit 4
bit 3
DCO 2 or 1 GAIN
bit 2
bit 1
B2 or B1
bit 0
SAT SW
DCO GAIN
: Saturation Switch : 0 = FM, 1 = QPSK
: Programme the gain coefficient (K0) :
DCO [5:3]
000
001
010
011
100
101
110
111
Value
0
1
1/2
1/4
1/8
1/16
1/32
Not used
B
: Programme the PLL (FM/QPSK carrier recovery) loop filter integral coefficient B :
B [2:0]
Value
000
0
001
1/4
010
1/8
011
1/16
100
1/32
101
1/64
11X
Not used
27/31
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