L64724 LSI Logic Corporation, L64724 Datasheet - Page 232

• Manufacturer Part Number: L64724
• Description: Satellite Receiver
• Manufacturer: LSI Logic Corporation

B-18
Equation B.22
Set Group 4, APR 37 to 0xE6 and APR 36 to 0x66.
Group 4, APR 38–40 – Set to 0x51EB8.
The value for CAR_LF_INIT[23:0] is in accordance with
Equation B.23
Assuming an initial carrier frequency deviation of + .1 MHz is required,
the value for CAR_LF_INIT[23:0] is given in
Equation B.24
Set Group 4, APR 40 to 0x05, APR 39 to 0x1E, and APR 38 to 0xB8.
Group 4, APR 41 – Set to 0x65.
Set the bits in the Carrier Loop Control 1 register as shown in
L64724 Application Notes
CAR_LSWL
CAR_LF_INIT
CAR_LF_INIT
=
=
=
----------------------------------------- -
50.0 10
2
2
---------------------------------------------------- -
------------------------------------ -
2
37
2
37
13
37
–
freqdeviation
50 10
5
2
1 10
13
6
10
2
Fs
6
21
6
6
=
=
- 6554
335554
(0xE666)
(0x51EB8)
Equation
B.24.
Equation
Table
B.23.
B.4.