參數資料
    型號: 73S1210F-68M/F/PH
    廠商: Maxim Integrated
    文件頁數: 100/126頁
    文件大?。?/td> 0K
    描述: IC SOC SMART CARD READER 68QFN
    標準包裝: 260
    系列: *
    DS_1210F_001
    73S1210F Data Sheet
    Rev. 1.4
    75
    > EGT
    < WWT
    CHAR 1
    CHAR 2
    CHAR
    N+1
    CHAR
    N+2
    CHAR
    N+3
    BLOCK1
    BLOCK2
    > BWT
    < CWT
    RECEPTION
    TRANSMISSION
    T = 1 Mode
    CHAR 1
    CHAR 2
    CHAR N
    RST
    TSTO(7:0)
    ATRTO(15:0)
    VCC_OK
    RLen(7:0)
    CHAR 1
    CHAR 2
    CHAR N
    ATR Timing Parameters
    IWT(15:0)
    BGT(4:0)
    TX
    T = 0 Mode
    IO
    EGT
    (By seting Last_TXByte and
    TX/RXB=0 during CHAR N,
    RX mode will start after last
    TX byte)
    WWT is set by the value in the BWT registers.
    Figure 19: Guard, Block, Wait and ATR Time Definitions
    1.7.15.4
    Bypass Mode
    It is possible to bypass the smart card UART in order for the firmware to support non-T=0/T=1 smart
    cards. This is called Bypass mode. In this mode the embedded firmware will communicate directly with
    the selected smart card and drive I/O during transmit and read I/O during receive in order to communicate
    with the smart card. In this mode, ATR processing is under firmware control. The firmware must
    sequence the interface signals as required. Firmware must perform TS processing, parity checking,
    break generation and CRC/LRC calculation (if required).
    1.7.15.5
    Synchronous Operation Mode
    The 73S1210F supports synchronous operation. When sync mode is selected for either interface, the
    CLK signal is generated by the ETU counter. The values in c, SCCLK, and SCECLK must be set to
    obtain the desired sync CLK rate. There is only one ETU counter and therefore, in sync mode, the
    interface must be selected to obtain a smart card clock signal. In sync mode, input data is sampled on
    the rise of CLK, and output data is changed on the fall of CLK.
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