ISP1582BS ST-Ericsson Inc, ISP1582BS Datasheet - Page 28

• Manufacturer Part Number: ISP1582BS
• Description: IC USB CTRL HI-SPEED 56HVQFN
• Manufacturer: ST-Ericsson Inc

Specifications of ISP1582BS

• Applications: USB Host/Peripheral Controller
• Interface: USB
• Voltage - Supply: 3 V ~ 3.6 V
• Package / Case: 56-VQFN Exposed Pad, 56-HVQFN, 56-SQFN, 56-DHVQFN
• Mounting Type: Surface Mount
• For Use With: ISP1582 PCI EVALKIT - PCI BUS EVAL KIT ISP1582
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

NXP Semiconductors
AN10039_4
Application note
5.1.2 Handling CBW for ATA and ATAPI device
1. Initialize the Drive Select register (1F6) to the master or slave, based on the device
2. Initialize the Error or Feature register to 1 for a DMA transfer.
3. Initialize the ATAPI Byte Count LSB and ATAPI Byte Count MSB registers to the
4. The ATAPI packet command is issued to the device by writing the Command or
5. Issue the 12-byte command block in CBW to the Task File Data register.
6. Check for the next phase.
7. The read or write phase is followed by the status phase.
present.
number of bytes to be transferred as specified in CBW.
Status register.
− If CBW.dCBWDataTransferLength is zero, then the next phase is status.
− If CBW.dCBWDataTransferLength is non-zero and USB_CBW.bmCBWFlags is
− If CBW.dCBWDataTransferLength is non-zero and USB_CBW.bmCBWFlags is
80h, then the next phase is read.
not equal to 80h, then the next phase is write.
Rev. 04 — 21 December 2006
ISP1582/83 Firmware Programming Guide
AN10039
© NXP B.V. 2006. All rights reserved.
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