參數(shù)資料
    

    


    


    
型號(hào)：
MAX9257GCM/V+

    

    
廠商：
Maxim Integrated Products

    

    
文件頁(yè)數(shù)：
21/52頁(yè)

    

    
文件大?。?/td>
0K

    

    
描述：
IC SER/DESER PROG 48-LQFP

    

    
其它有關(guān)文件：
Automotive Product Guide
    		

    

    
產(chǎn)品培訓(xùn)模塊：
Lead (SnPb) Finish for COTS
    
	Obsolescence Mitigation Program
    		

    

    
標(biāo)準(zhǔn)包裝：
250

    

    
功能：
串行器/解串器
    		

    

    
數(shù)據(jù)速率：
840Mbps
    		

    

    
輸入類型：
串行
    		

    

    
輸出類型：
LVDS
    		

    

    
輸入數(shù)：
16
    		

    

    
輸出數(shù)：
1
    		

    

    
電源電壓：
3 V ~ 3.6 V
    		

    

    
工作溫度：
-40°C ~ 105°C
    		

    

    
安裝類型：
表面貼裝
    		

    

    
封裝/外殼：
48-LQFP
    		

    

    
供應(yīng)商設(shè)備封裝：
48-LQFP（7x7）
    		

    

    
包裝：
托盤
    		

    

    

    

	
    
    
    

    
    
	
    MAX9257/MAX9258
    register REG2 for both the MAX9257 and the MAX9258.
    The four bits of REG2[7:4] select the divide ratio (STODIV)
    for the STO clock as a function of the pixel clock (Table
    24). The timeout period is determined by counter bits
    REG2[3:0] that increment once every STO clock period.
    Write to REG2[3:0] to determine the counter end time.
    The STO counter counts to the programmed STOCNT +
    1. The ECU must begin communicating before STO times
    out, otherwise, the control channel closes (Figure 22). The
    STO timeout period is given by:
    For example:
    If the pixel clock frequency is set to 16MHz, STODIV is
    set to 1010 (STODIV = 1024), and STOCNT is set to
    1001 (STOCNT = 9), the STO timer counts with
    15.625kHz STO clock (16MHz/1024) internally until it
    reaches 10 and timer expires. The tSTO is equal to tT x
    1024 x 10 = 640s.
    The default value for STODIV is 1024 while the default
    value for STOCNT is 0. That means the STO timeout
    period is equal 1024 pixel clock cycles. Activity from
    the ECU on the control channel shuts off the STO timer
    and starts the ETO timer.
    ETO Timer
    The ETO (end timeout) timer closes the control channel
    if the ECU stops communicating for the ETO timeout
    period. Configure register REG3[7:4] for both the
    MAX9257 and the MAX9258 to select the divide ratio
    (ETODIV) for the ETO clock as a function of the pixel
    clock (Table 25). The timeout period is determined by
    t
    f
    STODIV
    STOCNT
    STO
    CLK
    =
    ××
    +
    1
    ()
    28
    ______________________________________________________________________________________
    Fully Programmable Serializer/Deserializer
    with UART/I2C Control Channel
    REG3[7:4]
    ETODIV
    00XX
    16
    0100
    16
    0101
    32
    0110
    64
    0111
    128
    1000
    256
    1001
    512
    1010
    1024
    1011
    2048
    1100
    4096
    1101
    8192
    1110
    16,384
    1111
    32,768
    Table 25. ETO Clock Divide Ratio
    VIDEO
    HSK
    VSYNC_IN
    SDI/O
    ±
    CCEN
    T1
    T2
    T3
    TX
    RX
    DOUT_
    FROZEN
    T1 = TIME TO ENTER CONTROL CHANNEL
    T2 = STO TIMEOUT PERIOD
    T3 = CONTROL CHANNEL EXIT TIME DUE TO STO
    HSK = HANDSHAKING BETWEEN THE MAX9257 AND THE MAX9258
    Figure 22. Control Channel Closing Due to STO Timeout
    
    
    
    
    
    


    


    

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    相關(guān)代理商/技術(shù)參數(shù)
    		

    參數(shù)描述
    		

    
    

    
MAX9257GTL/V+
功能描述:串行器/解串器 - Serdes Prog Serializer / Deserializer RoHS:否 制造商:Texas Instruments 類型:Deserializer 數(shù)據(jù)速率:1.485 Gbit/s 輸入類型:ECL/LVDS 輸出類型:LVCMOS 輸入端數(shù)量:1 輸出端數(shù)量:20 工作電源電壓:2.375 V to 2.625 V 工作溫度范圍:0 C to + 70 C 封裝 / 箱體:TQFP-64

    

    
MAX9257GTL/V+T
功能描述:串行器/解串器 - Serdes Prog Serializer / Deserializer RoHS:否 制造商:Texas Instruments 類型:Deserializer 數(shù)據(jù)速率:1.485 Gbit/s 輸入類型:ECL/LVDS 輸出類型:LVCMOS 輸入端數(shù)量:1 輸出端數(shù)量:20 工作電源電壓:2.375 V to 2.625 V 工作溫度范圍:0 C to + 70 C 封裝 / 箱體:TQFP-64

    

    
MAX9257GTL+
功能描述:串行器/解串器 - Serdes Prog Serializer / Deserializer RoHS:否 制造商:Texas Instruments 類型:Deserializer 數(shù)據(jù)速率:1.485 Gbit/s 輸入類型:ECL/LVDS 輸出類型:LVCMOS 輸入端數(shù)量:1 輸出端數(shù)量:20 工作電源電壓:2.375 V to 2.625 V 工作溫度范圍:0 C to + 70 C 封裝 / 箱體:TQFP-64

    

    
MAX9257GTL+T
功能描述:串行器/解串器 - Serdes Prog Serializer / Deserializer RoHS:否 制造商:Texas Instruments 類型:Deserializer 數(shù)據(jù)速率:1.485 Gbit/s 輸入類型:ECL/LVDS 輸出類型:LVCMOS 輸入端數(shù)量:1 輸出端數(shù)量:20 工作電源電壓:2.375 V to 2.625 V 工作溫度范圍:0 C to + 70 C 封裝 / 箱體:TQFP-64

    

    
MAX9258
 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Fully Programmable Serializer/Deserializer with UART/I2C Control Channel

    

    
    
    
    
	
    	
    
    
     
     
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