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UM0290 Datasheet(PDF) 42 Page - STMicroelectronics

Part # UM0290
Description  This document presents a description
PDF  76 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

UM0290 Datasheet(HTML) 42 Page - STMicroelectronics

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Figure 10.
BOT state machine
5.2.2
Small Computer System Interface (SCSI)
The SCSI command set is designed to provide efficient peer-to-peer operation of SCSI
device like, for example, desks, tapes and Mass Storage devices. In other words these are
used to ensure the communication between the SCSI device and an operating system in a
PC host.
Table shows the SCSI command for removable devices.
Ready
Command
transport
CBW
Status
transport
CSW
Data IN
(to the host)
Data OUT
(from the host)
Table 14.
SCSI Command Set(1)
Command Name
OpCode
Command
Support
Description
Reference
Inquiry
0x12
M
Get device information
SPC-2
Read Format
Capacities
0x23
M
Report current media capacity and
formattable capacities supported by
media
SPC-2
Mode Sense (6)
0x1A
M
Report parameters to the host
SPC-2
Mode Sense (10)
M
Report parameters to the host
SPC-2
Prevent\ Allow
Medium Removal
0x1E
M
Prevent or allow the removal of media
from a removable media device
SPC-2
Read (10)
0x28
M
Transfer binary data from the media to the
host
RBC
Read Capacity (10)
0x25
M
Report current media capacity
RBC
Request Sense
0x03
O
Transfer status sense data to the host
SPC-2



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