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參數資料
型號: TVP5157PNP
廠商: TEXAS INSTRUMENTS INC
元件分類: 顏色信號轉換
英文描述: COLOR SIGNAL DECODER, PQFP128
封裝: GREEN, PLASTIC, HTQFP-128
文件頁數: 46/108頁
文件大小: 1395K
代理商: TVP5157PNP
RESETB
(Terminal 3)
Reset
Normal operation
Invalid I C Cycle
2
Valid
260 s (min)
20 ms (min)
SLES243E
– JULY 2009 – REVISED MARCH 2011
3.12 Reset Mode
Terminal 3 (RESETB) is active low signal to hold the decoder into reset. Table 3-18 shows the
configuration of reset mode. Table 3-19 describes the status of the decoder signals during and
immediately after reset. Figure 3-22 shows the reset timing.
After power-up, the device will be in an unknown state until properly reset. An active low reset, Reset B, of
greater than or equal to 20 ms is required following active and stable supply ramp-up. To avoid potential
I2C issues, keep SCL and SDA inactive (high) for at least 260
s after reset goes high. There are no
power sequencing requirements except that all power supplies should become active and stable within
500 ms of each other.
Table 3-18. Reset Mode
RESETB
CONFIGURATION
0
Resets the decoder
1
Normal operation
Table 3-19. Reset Sequence
SIGNAL NAME
DURING RESET
RESET COMPLETED
DVO_A_[7:0], DVO_B_[7:0], DVO_C_[7:0], DVO_D_[7:0], OCLK_P, OCLK_N,
Input
High-impedance
INTREQ, I2CA[2:0], BCLK_R, LRCLK_R, SD_R, SD_M, SD_CO
RESETB, SDA, SCL, LRCLK_CI, BCLK_CI, SD_CI, XTAL_IN
Input
XTAL_OUT, OSC_OUT
Output
Figure 3-22. Reset Timing
42
Functional Description
Copyright
2009–2011, Texas Instruments Incorporated
Product Folder Link(s): TVP5158 TVP5157 TVP5156
相關PDF資料
PDF描述
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相關代理商/技術參數
參數描述
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TVP5158EVM 功能描述:視頻 IC 開發工具 TVP5158 Eval Mod RoHS:否 制造商:Texas Instruments 產品:Evaluation Boards 類型:YPbPr to RGBHV Converters 工具用于評估:LMH1251 工作電源電壓:5 V
TVP5158IPNP 功能描述:視頻 IC 4Ch NTSC/PAL Video Decoder RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
TVP5158IPNPQ1 制造商:TI 制造商全稱:Texas Instruments 功能描述:With Independent Scalers, Noise Reduction, Auto Contrast, and Flexible Output Formatter for Security and Other Multi-Channel Video Applications
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