参数资料
型号: TVP5158IPNP
厂商: TEXAS INSTRUMENTS INC
元件分类: 颜色信号转换
英文描述: COLOR SIGNAL DECODER, PQFP128
封装: GREEN, PLASTIC, HTQFP-128
文件页数: 69/108页
文件大小: 1395K
代理商: TVP5158IPNP
SLES243E
– JULY 2009 – REVISED MARCH 2011
Table 4-43. Operation Mode Control
Subaddress
60h
Default
00h
7
6
5
4
3
2
1
0
Reserved
H-PLL Response Time
Reserved
Freeze C-PLL
Reserved
H-PLL Response Time
When in the Normal mode, the horizontal PLL (H-PLL) response time is set to its slowest setting. This mode improves noise
immunity and provides a more stable output line frequency for standard TV signal sources (for example, TV tuners, DVD players,
video surveillance cameras, etc.).
When in the Fast mode, the H-PLL response time is set to its fastest setting. This mode enables the H-PLL to respond more
quickly to large variations in the horizontal timing (for example, VCR head switching intervals). This mode is recommended for
VCRs and also cameras locked to the AC power-line frequency.
When in the Adaptive mode, the H-PLL response time is automatically adjusted based on the measured horizontal phase error. In
this mode, the H-PLL response time typically approaches its slowest setting for most standard TV signal sources and approaches
its fastest setting for most VCR signal sources.
00
Adaptive (default)
01
Reserved
10
Fast
11
Normal
Freeze C-PLL
0
Normal operation (default)
1
Freeze color PLL
Table 4-44. Color PLL Speed Control
Subaddress
61h
Default
09h
7
6
5
4
3
2
1
0
Reserved
CPLL speed [3:0]
Color PLL speed control
0000
to
Reserved
1000
1001
9: Faster (default)
1010
10
1011
11: Slower
1100
to
Reserved
1111
Table 4-45. Sync Height Low Threshold
Subaddress
7Ch
Default
02h
7
6
5
4
3
2
1
0
VSync upper thres [7:0]
Lower hysteresis threshold for vertical sync-height detection (value/32
×target sync height).
Copyright
2009–2011, Texas Instruments Incorporated
Internal Control Registers
63
Product Folder Link(s): TVP5158 TVP5157 TVP5156
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