CH7008A-V ETC [List of Unclassifed Manufacturers], CH7008A-V Datasheet - Page 43
CH7008A-V
Manufacturer Part Number
CH7008A-V
Description
Digital PC to TV Encoder Features
Manufacturer
ETC [List of Unclassifed Manufacturers]
Datasheet
1.CH7008A-V.pdf
(49 pages)
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CHRONTEL
Register Descriptions (continued)
PLL Control Register
The following PLL and memory controls are available through the PLL control register:
MEM5V
PLL5VA
PLL5VD
PPLLS
PLLCAP
PLLCPI
201-0000-027 Rev 2.2, 9/30/99
Bit:
Symbol:
Type:
Default:
7
MEM5V should be set to 0 when DVDD is 3.3 volts, and 1 when DVDD is 5 volts.
PLL5VA is set to 1 when AVDD is 5 volts.
PLL5VD is set to 1 when DVDD is 5 volts. A value of 0 is used when DVDD is 3.3 volts (default).
When the PLL5VA is 1 PLLS should be 1. When PLL5VA is 0 PLLS should be 0.
PLLCAP controls the loop filter capacitor of the PLL. A recommended listing of PLLCAP vs
Mode is shown below.
The default value should be used.
6
5
PLLCPI
R/W
0
4
PLLCAP
R/W
0
3
PLLS
R/W
1
2
PLL5VD
0
R/W
Symbol: PLLC
Address: 20H
Bits: 6
1
PLL5VA
R/W
1
CH7008A
0
MEM5V
R/W
0
43
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