Host Interface
4.6.9 READ (10) command
Bit
7
Byte
0
1
2-5
6
7-8
9-11
The READ (10) command reads data for the specified number of blocks from the
specified logical block address and transfers it.
Logical Block Address specifies the head logical block address used to start
reading.
Transfer Length specifies the number of blocks to be read and transferred.
When Transfer Length is 0, the command does not carry out data transfer. It
simply ends normally without reading any data.
4.6.10 READ CAPACITY command
Bit
7
Byte
0
1
2-7
8
9-11
The READ CAPACITY command transfers data on the media capacity to the host.
The PMI (Partial Medium Indicator) bit specified value is ignored.
Table 4.83 lists the READ CAPACITY data to be transferred.
4-60
Table 4.81 READ (10) command
6
5
4
Operation Code (28h)
Logical Block Address
Transfer Length
Table 4.82 READ CAPACITY command
6
5
4
Operation Code (25h)
Reserved
3
2
Reserved
Reserved
Reserved
3
2
Reserved
Reserved
Reserved
1
0
1
0
PMI
C156-E205-01EN