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AMPL138ZCE3 Datasheet(PDF) 129 Page - Texas Instruments |
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AMPL138ZCE3 Datasheet(HTML) 129 Page - Texas Instruments |
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129 / 268 page  6.13 Serial ATA Controller (SATA) 6.13.1 SATA Register Descriptions OMAP-L138 Low-Power Applications Processor www.ti.com SPRS586A – JUNE 2009 – REVISED AUGUST 2009 The Serial ATA Controller (SATA) provides a single HBA port operating in AHCI mode and is used to interface to data storage devices at both 1.5 Gbits/second and 3.0 Gbits/second line speeds. AHCI describes a system memory structure that contains a generic area for control and status, and a table of entries describing a command list where each command list entry contains information necessary to program an SATA device, and a pointer to a descriptor table for transferring data between system memory and the device. The SATA Controller supports the following features: • Serial ATA 1.5 Gbps (Gen 1i) and 3 Gbps (Gen 2i) line speeds • Support for the AHCI controller spec 1.1 • Integrated SERDES PHY • Integrated Rx and Tx data buffers • Supports all SATA power management features • Internal DMA engine per port • Hardware-assisted native command queuing (NCQ) for up to 32 entries • 32-bit addressing • Supports port multiplier with command-based switching • Activity LED support • Mechanical presence switch • Cold presence detect Table 6-41 is a list of the SATA Controller registers. Table 6-41. SATA Controller Registers BYTE ADDRESS ACRONYM REGISTER DESCRIPTION 0x01E1 8000 CAP HBA Capabilities Register 0x01E1 8004 GHC Global HBA Control Register 0x01E1 8008 IS Interrupt Status Register 0x01E1 800C PI Ports Implemented Register 0x01E1 8010 VS AHCI Version Register 0x01E1 8014 CCC_CTL Command Completion Coalescing Control Register 0x01E1 8018 CCC_PORTS Command Completion Coalescing Ports Register 0x01E1 80A0 BISTAFR BIST Active FIS Register 0x01E1 80A4 BISTCR BIST Control Register 0x01E1 80A8 BISTFCTR BIST FIS Count Register 0x01E1 80AC BISTSR BIST Status Register 0x01E1 80B0 BISTDECR BIST DWORD Error Count Register 0x01E1 80E0 TIMER1MS BIST DWORD Error Count Register 0x01E1 80E8 GPARAM1R Global Parameter 1 Register 0x01E1 80EC GPARAM2R Global Parameter 2 Register 0x01E1 80F0 PPARAMR Port Parameter Register 0x01E1 80F4 TESTR Test Register 0x01E1 80F8 VERSIONR Version Register 0x01E1 80FC IDR ID Register 0x01E1 8100 P0CLB Port Command List Base Address Register 0x01E1 8108 P0FB Port FIS Base Address Register 0x01E1 8110 P0IS Port Interrupt Status Register Submit Documentation Feedback Peripheral Information and Electrical Specifications 129 |
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