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参数资料
| 型号： | TVP5151PBS |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 颜色信号转换 |
| 英文描述： | COLOR SIGNAL DECODER, PQFP32 |
| 封装： | GREEN, PLASTIC, QFP-32 |
| 文件页数： | 16/85页 |
| 文件大小： | 958K |
| 代理商： | TVP5151PBS |
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RTC
M
S
B
16 CLK
L
S
B
21
0
128 CLK
22-Bit f Frequency Control
sc
Start
Bit
Reset
Bit
2 CLK
1 CLK
2 CLK
3 CLK
1 CLK
PAL
Switch
44 CLK
TVP5151
www.ti.com
SLES241D – SEPTEMBER 2009 – REVISED MARCH 2011
3.17.2 RTC Mode
Figure 3-10 shows the timing diagram of the RTC mode. Clock rate for the RTC mode is four times slower
than the GLCO clock rate. For Color PLL frequency control, the upper 22 bits are used. Each frequency
control bit is two clock cycles long. The active-low reset bit occurs six CLKs after the transmission of the
last bit of PLL frequency control.
Figure 3-10. RTC Timing
3.18 Reset and Power Down
The RESETB and PDN terminals work together to put the TVP5151 decoder into one of the two modes.
Table 3-8 shows the configuration.
After power-up, the device is in an unknown state with its outputs undefined, until it receives a RESETB
signal as depicted in Figure 3-11. After RESETB is released, outputs SCLK and YOUT0 to YOUT7 are in
high-impedance state until TVP5151 is initialized and the outputs are activated.
NOTE
I
2C SCL and SDA signals must not change state until the TVP5151 reset sequence has been
completed.
Table 3-8. Reset and Power-Down Modes
PDN
RESETB
CONFIGURATION
0
Reserved (unknown state)
0
1
Powers down the decoder
1
0
Resets the decoder
1
Normal operation
Copyright 2009–2011, Texas Instruments Incorporated
Functional Description
23
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TVP5151PBSR | 功能描述:视频 IC UltraLo-Pwr NTSC/PAL SECAM Vid Dec RoHS:否 制造商:Fairchild Semiconductor 工作电源电压:5 V 电源电流:80 mA 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-28 封装:Reel |
| TVP5151ZQC | 功能描述:视频 IC UltraLo-Pwr NTSC/PAL SECAM Vid Dec RoHS:否 制造商:Fairchild Semiconductor 工作电源电压:5 V 电源电流:80 mA 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-28 封装:Reel |
| TVP5151ZQCR | 功能描述:视频 IC UltraLo-Pwr NTSC/PAL SECAM Vid Dec RoHS:否 制造商:Fairchild Semiconductor 工作电源电压:5 V 电源电流:80 mA 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-28 封装:Reel |
| TVP5154 | 制造商:Texas Instruments 功能描述:4-channel 9-bit Video Decoder TVP5154 |
| TVP5154A | 制造商:TI 制造商全称:Texas Instruments 功能描述:4-Channel Low-Power PAL/NTSC/SECAM Video Decoder With Independent Scalers and Fast Lock |
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