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AM1808AZCED3 数据表(PDF) 130 Page - Texas Instruments |
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AM1808AZCED3 数据表(HTML) 130 Page - Texas Instruments |
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130 / 264 page  AM1808 SPRS653A – FEBRUARY 2010 – REVISED APRIL 2010 www.ti.com Table 6-47. SATA Input Clock Source Requirements PARAMETER MIN TYP MAX UNIT Clock Frequency (1) 75 375 MHz Jitter 50 ps pk-pk Duty Cycle 40 60 % Rise/Fall Time 700 ps (1) Discrete clock frequency points are supported based on the PLL multiplier used in the SATA PHY. 6.14.3 SATA Unused Signal Configuration If the SATA interface is not used, the SATA signals should be configured as shown below. Table 6-48. Unused SATA Signal Configuration SATA Signal Name Configuration if SATA peripheral is not used SATA_RXP No Connect SATA_RXN No Connect SATA_TXP No Connect SATA_TXN No Connect SATA_REFCLKP No Connect SATA_REFCLKN No Connect SATA_MPSWITCH May be used as GPIO or other peripheral function SATA_CP_DET May be used as GPIO or other peripheral function SATA_CP_POD May be used as GPIO or other peripheral function SATA_LED May be used as GPIO or other peripheral function SATA_REG No Connect SATA_VDDR No Connect SATA_VDD Prior to silicon revision 2.0, this supply must be connected to a static 1.2V nominal supply. For silicon revision 2.0 and later, this supply may be left unconnected for additional power conservation. SATA_VSS Vss 130 Peripheral Information and Electrical Specifications Copyright © 2010, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Link(s): AM1808 |
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