ISP1582BSUM ST-Ericsson Inc, ISP1582BSUM Datasheet - Page 29

• Manufacturer Part Number: ISP1582BSUM
• Description: IC USB PERIPH CONTROLLER 56HVQFN
• Manufacturer: ST-Ericsson Inc

Specifications of ISP1582BSUM

• 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
• Other names: 568-1885-2; ISP1582BS,518; ISP1582BS-T

NXP Semiconductors
AN10039_4
Application note
Fig 14. Handling CBW for ATAPI device
ATAPI Write
Phase
No
Initialize the Drive or Select register to master or
Initialize the Error or Feature register to one for
Write 12-byte command in CBW to the Task
Rev. 04 — 21 December 2006
Initialize ATAPI byte count LSB and MSB
Write the ATAPI packet command to the
CBW.dCBWDataTransferLength
CBW.bmCBWFlags == 0x80
Command or Status register
ATAPI Status phase
File Data register
not equal to zero
ATAPI Read
Phase
slave
DMA
Start
Stop
Yes
Yes
ISP1582/83 Firmware Programming Guide
No
AN10039
© NXP B.V. 2006. All rights reserved.
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