'ata' related articles 1

  1. 2007/04/05 JM20330 - Serial ATA Bridge Chip
JMicron’s JM20330 is a single chip solution for serial and parallel ATA translation. It includes the Serial ATA PHY, Link, Transport, and Parallel ATA (application layer) controller. The Serial ATA physical, link, and transport layers are compliant to Serial ATA 1.0. JM20330 supports a 1.5GHz data rate, and scalable to 3.0 GHz data rate by directly doubling the internal clock source. The application layer supports both the ATA register command set and PACKET command set, which could drive both Hard Disk Drive and ATAPI Optical Storage such as CR-ROM, CD-RW, DVD-ROM, DVD-RW, etc.
 The Serial ATA and the Parallel ATA application layer support both host and device operation and can be configured through a single pin.

Serial ATA 1.0 Specification compliant Automatic Serial ATA 3.0/1.5 Gbps speed negotiation ATA/ATAPI PIO mode 0 to 4 ATA/ATAPI Ultra DMA of transfer rate 16.7, 25, 33, 48, 66, 100, 133, and 150MB/s. ATA/ATAPI LBA48 addressing mode associated with 2-byte sector count Support Serial ATA hot-plug Ultra low power consumption Work for both AC and DC couple between the transmitter and the receiver Provide specified OOB signal detection and transmission Support Spread Spectrum Clocking to reduce EMI Support 20MHz, 25MHz, 30MHz or 40MHz Reference Clock Support Partial/Slumber power management Provide adjustable TX signal amplitude and pre-emphasis level Master/Slave support.


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