參數(shù)資料
型號： TVP70025IPZP
廠商： TEXAS INSTRUMENTS INC
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQFP100
封裝： GREEN, PLASTIC, HTQFP-100
文件頁數(shù)： 19/59頁
文件大小： 519K
代理商： TVP70025IPZP
SLES232B
– JUNE 2008 – REVISED MAY 2011
CONTROL REGISTERS
The TVP70025I is initialized and controlled by a set of internal registers that define the operating parameters of
the entire device. Communication between the external controller and the TVP70025I is through a standard I2C
host port interface, as previously described.
Table 12 shows the summary of these registers. Detailed programming information for each register is described
in the following sections.
Table 12. Control Registers Summary(1) (2)
REGISTER NAME
I2C SUBADDRESS
DEFAULT
R/W(3)
Chip Revision
00h
02h
R
H-PLL Feedback Divider MSBs
01h
67h
R/W
H-PLL Feedback Divider LSBs
02h
20h
R/W
H-PLL Control
03h
A8h
R/W
H-PLL Phase Select
04h
80h
R/W
Clamp Start
05h
32h
R/W
Clamp Width
06h
20h
R/W
HSYNC Output Width
07h
20h
R/W
Blue Fine Gain
08h
00h
R/W
Green Fine Gain
09h
00h
R/W
Red Fine Gain
0Ah
00h
R/W
Blue Fine Offset MSBs
0Bh
80h
R/W
Green Fine Offset MSBs
0Ch
80h
R/W
Red Fine Offset MSBs
0Dh
80h
R/W
Sync Control 1
0Eh
5Bh
R/W
H-PLL and Clamp Control
0Fh
2Eh
R/W
Sync On Green Threshold
10h
5Dh
R/W
Sync Separator Threshold
11h
20h
R/W
H-PLL Pre-Coast
12h
00h
R/W
H-PLL Post-Coast
13h
00h
R/W
Sync Detect Status
14h
R
Output Formatter
15h
04h
R/W
MISC Control 1
16h
11h
R/W
MISC Control 2
17h
03h
R/W
MISC Control 3
18h
00h
R/W
Input Mux Select 1
19h
00h
R/W
Input Mux Select 2
1Ah
C2h
R/W
Blue and Green Coarse Gain
1Bh
77h
R/W
Red Coarse Gain
1Ch
07h
R/W
Fine Offset LSBs
1Dh
00h
R/W
Blue Coarse Offset
1Eh
10h
R/W
Green Coarse Offset
1Fh
10h
R/W
Red Coarse Offset
20h
10h
R/W
HSOUT Output Start
21h
0Dh
R/W
MISC Control 4
22h
08h
R/W
Blue Digital ALC Output LSBs
23h
R
Green Digital ALC Output LSBs
24h
R
(1)
For proper operation of the TVP70025I device, the default settings for all register locations designated as
"Reserved" in the register map
summary should never be changed from the values provided.
(2)
For registers with reserved bits, a 0b must be written to reserved bit locations, unless otherwise stated.
(3)
R = Read only, W = Write only, R/W = Read/Write
26
Copyright
2008–2011, Texas Instruments Incorporated
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