NUVATION | ATA-4 OPB IP Core for Xilinx EDK

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ATA-4 OPB IP Core (for Xilinx EDK)


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ATA-4 OPB IP Core for Xilinx EDK

Features | Target Device | Command Set | System Architecture |
Extension Module | Contact | Download

Description

The ATA-4 / UDMA-33 IDE OPB Core is a drop-in ATA-Host IP core used for interfacing to an ATA-device. The core has all connections to interface to an OPB bus and IDE bus. The OPB bus is used for writing to and reading from the taskfile registers needed for the data transactions. It is also used to read/write the data from/to the ATA hard drive when a transaction is initiated. The core handles all transactions on the IDE bus for various commands that are dispatched from the system.

The ATA-4 OPB core from Nuvation is available either as an encrypted Netlist or as a source code license. This core is available for all Xilinx device families, and integrates with Xilinx PowerPC or MicroBlaze processors in the EDK Tool flow. Nuvation's User Guide provides detailed step-by-step instructions for quick and easy integration.

Features

ATA/ATAPI-4 standard compliant host
UDMA-33 transfer speed capabilities (33 MB/s max transfer speed)
RX and TX FIFOs for data transfer through the Core
DMA/UDMA and PIO data transfers supported
Dedicated signal for executing Software Reset command
Two Clock domains: Core Clock and System Clock domains
Dedicated system side input bus for writing data to the ATA device
Dedicated system side output bus for data read from the ATA device
Required Core Clock Speed: 100MHz
Available PIO Modes: 0 and 4
Number of ATA devices supported on the IDE Bus: 1

Target Device

Xilinx Families: Spartan-3/3E, Virtex-II, Virtex-II Pro, Virtex-4, Virtex-5
Number of Slice FFs: 1250
Number of BRAMs: 2

Command Set

Check Power Mode
Identify Device
Idle
Idle Immediate
Initialize Device Parameters
Read Verify Sector(s)
Seek
Set Features
Set Multiple Mode
Sleep

Standby
Standby Immediate
Execute Device Diagnostic
Read DMA
Read Multiple
Read Sector(s)
Write DMA
Write Multiple
Write Sector(s)

System Architecture

Extension Module

An extension module for 48-bit Line Bit Addressing (LBA) is available upon request (LBA-48 is a component of the ATA-6 specification for addressing HDDs >137GB). Please contact ip@nuvation.com.

Contact

For more information please fill out the IP inquiry form or contact us by email at ip@nuvation.com.

Please download the ATA-4 OPB product brief for Xilinx target device.