BCOEFF2 - BCOEFF1 (PLL Loop Filter Integral Coefficient and DCO Gain)

Address

: 2E-3C

Type

: R/W

Reset

: 1010 1100 for BCOEFF2 - 0001 0010 for BCOEFF1

bit 7

bit 6

bit 5

bit 4

bit 3

bit 2

bit 1

bit 0

SAT SW2 or 1

0

DCO 2 or 1 GAIN

B2 or B1

SAT SW

: Saturation Switch : 0 = FM, 1 = QPSK

DCO GAIN

: Programme the gain coefficient (K0) :

DCO [5:3]

Value

000

0

001

1

010

1/2

011

1/4

100

1/8

101

1/16

110

1/32

111

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

PROGRAMMING THE DEVICE (continued)

STV8203

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