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XRS10L210IV-F Datasheet(PDF) 9 Page - Exar Corporation |
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XRS10L210IV-F Datasheet(HTML) 9 Page - Exar Corporation |
9 / 37 page EXSTOR - 1 XRS10L210 9 REV. 1.04 SERIAL ATA II: PORT SELECTOR 3.0 FUNCTIONAL DESCRIPTION A top-level view of the XRS10L210 is shown in Figure 4 outlining the interfaces to the device and the required support components. The data path can be seen at the top of the device. This includes the two output transmit and input receive paths at the top left, providing the upstream interface to the host, and the two output transmit and input receive paths at the top right, providing the downstream interface to the target devices. The clocking, control, and configuration interfaces are shown below the dotted line. The XRS10L210 incorporates identical instantiations of a dual-channel Serial ATA II 3 Gbps PHY macro. This common building block provides a uniform implementation with common characteristics and a common register map, but provides a functional implementation of independent PHY blocks. Digital logic implementations of Serial ATA link layer blocks along with port selector and port multiplier logic provide the remainder of the data path within the XRS10L210. In addition, management and control interfaces including an MDIO interface for register control, a JTAG interface for boundary scan purposes, and a resistor calibration circuit complete the device. A block diagram of the XRS10L210 is shown in Figure 5. FIGURE 4. XRS10L210 INTERFACES FIGURE 5. XRS10L210 BLOCK DIAGRAM SIT_P/N [1:0] S IR _P/N[1:0] D R AC T H BAC T R E SETB PW R D N B M D C M D IO R B IAS SO T_P/N SO R _P/N C M U_R EF_P /N X O D X O G TC K TD I TD O TM S TR ST S erial A TA U pstream Interface to H B A s C ontrol and S tatus Interface C onfiguration Interface S erial A TA D ow nstream Interface to D evices Reference C lock Crystal O scillator I/O JTA G Interface V D D A C alibration R esistor 49.9 Ω ± 0.5% PS_SID EBA N D _B P O R TSEL SATA II 3GPHY SIT0 SIR0 PORT SELECTOR SATA II 3GPHY SIT1 SIR1 SATA II LINK LAYER RATE ADJUST FIFO SATA II LINK LAYER SATA II 3GPHY SOR SOT |
Similar Part No. - XRS10L210IV-F |
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Similar Description - XRS10L210IV-F |
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