XRS10L620 Datasheet, PDF (4/49 Pages) Exar Corporation – PCI-X to 2-SATA/1-PATA Host Controller

XRS10L620 Rev 1.00
3. Features
3-1 General
¾ 0.18um CMOS process technology
¾ Spread-Spectrum Clock (SSC) tolerance
¾ I²C interface operating in master/slave mode
¾ 2 SATA ports and 1 ATA/ATAPI port
¾ 1.8V/3.3V power supply
¾ 128-pin LQFP package
3-2 PCI-X Interface
¾ Compliant with PCI-X specifications Rev. 1.0a
¾ Compliant with PCI specification Rev 2.3
¾ Compliant with PCI Bus Power Management Interface Specification Rev 1.1
¾ 32bit PCI-X with burst data rate 400MB/s at 100MHz maximum.
¾ Supporting Dual Address Cycle (DAC), break the 4GB memory limit.
¾ Supporting Enhanced AHCI to reduce CPU overhead
¾ All registers appear in memory and IO space
¾ Flash ROM interface setup utility and booting
3-3 SATA Interface
¾ Conforming to Gen1i/Gen1m (1.5Gb/s), capable of eSATA
¾ Supporting 2 SATA ports with 1.5Gb/s data rate on each port
¾ Supporting Hot Plug for devices on channels or behind the Port Multiplier
¾ Supporting Command-based switching (Port Multiplier 1.2)
¾ Supporting Asynchronous Notification
¾ Supporting Native Command Queuing (NCQ) – not combined with Port Multiplier
¾ Staggered spin-up control on 2 channels
¾ Individual device active LED indication
¾ I2C interface in master & slave role for SATA enclosure service
3-4 IDE Interface
¾ One IDE channel to support master and slave devices
¾ Conforming to ATA-7 specification
¾ Supporting PIO mode 0, 1 ,2, 3, 4 with 16.6MB/s data rate
¾ Supporting multiword DMA mode 0, 1, 2 with 16.6MB/s data rate
¾ Supporting Ultra DMA mode 0, 1, 2, 3, 4, 5, 6 with data rate up to 150MB/s
¾ Programmable active and recovery cycle register timing per device
3
1/20/2009