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AM1808AZCED3 Scheda tecnica(PDF) 128 Page - Texas Instruments |
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AM1808AZCED3 Scheda tecnica(HTML) 128 Page - Texas Instruments |
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128 / 264 page ![]() SATA Interface(Processor) SATA Connector SATA_TXN SATA_TXP SATA_RXN SATA_RXP SATA_REFCLKN SATA_REFCLKP TX– TX+ RX– RX+ LVDS Oscillator CLK– CLK+ SATA_REG 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF AM1808 SPRS653A – FEBRUARY 2010 – REVISED APRIL 2010 www.ti.com 6.14.2 1. SATA Interface This section provides the timing specification for the SATA interface as a PCB design and manufacturing specification. The design rules constrain PCB trace length, PCB trace skew, signal integrity, cross-talk, and signal timing. TI has performed the simulation and system design work to ensure the SATA interface requirements are met. 6.14.2.1 SATA Interface Schematic Figure 6-28 shows the SATA interface schematic. Figure 6-28. SATA Interface High Level Schematic 6.14.2.2 Compatible SATA Components and Modes Table 6-43 shows the compatible SATA components and supported modes. Note that the only supported configuration is an internal cable from the processor host to the SATA device. Table 6-43. SATA Supported Modes PARAMETER MIN MAX UNIT SUPPORTED Transfer Rates 1.5 3.0 Gbps eSATA No xSATA No Backplane No Internal Cable Yes 6.14.2.3 PCB Stackup Specifications Table 6-44 shows the stackup and feature sizes required for SATA. Table 6-44. SATA PCB Stackup Specifications PARAMETER MIN TYP MAX UNIT PCB Routing/Plane Layers 4 6 Layers Signal Routing Layers 2 3 Layers Number of ground plane cuts allowed within SATA routing region 0 Layers 128 Peripheral Information and Electrical Specifications Copyright © 2010, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Link(s): AM1808 |
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