参数资料
型号: L64781
厂商: LSI CORP
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP100
封装: PLASTIC, QFP-100
文件页数: 15/164页
文件大小: 2003K
代理商: L64781
Demod Parameters Registers
5-41
5.5.16 Demod Parameters Register 20 (0x1A)
This is an 8-bit wide, read/write register.
1
Set this bit to 1.
D7
0
Set this bit to 0.
D6
1
Set this bit to 1.
D5
SPI_GAIN_MSB
SPI Gain
D[4:0] R/W
These bits specify the NCO bias frequency in the SPI
block. The initial value of SPI_GAIN (LSB and MSB) is
0b0000110010.
Table 5.5
18.5 MHz XO
Bandwidth\Guard
1/32
1/16
1/8
1/4
8 MHz
11.027586
11.070655
11.153116
11.305120
7 MHz
10.834941
10.878010
10.960471
11.112474
6 MHz
10.612548
10.655617
10.738079
10.890082
Table 5.6
18.2858 MHz XO
Bandwidth\Guard
1/32
1/16
1/8
1/4
8 MHz
11.044394
11.087462
11.169925
11.321928
7 MHz
10.851749
10.894817
10.977280
11.129283
6 MHz
10.629356
10.672425
10.754888
10.906891
D7
D6
D5
D4
D0
10
1
SPI_GAIN_MSB
l64781.book Page 41 Friday, January 19, 2001 1:28 PM
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