Read (10) Command; Read (12) Command; Read Command - Fujitsu MCE3064AP Product Manual

4.6.8

READ (10) command

Bit
7
Byte
0
1 Logical Unit Number
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.
4.6.9

READ (12) command

Bit
7
Byte
0
1 Logical Unit Number
2-5
6-9
10-11
The READ (12) 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.
4 - 56
Table 4.77 READ command
6 5 4
Operation Code (28h)
Logical Block Address
Reserved
Transfer Length
Reserved
Table 4.78 READ command
6 5 4
Operation Code (A8h)
Logical Block Address
Transfer Length
Reserved
C156-E142-02EN
3 2 1
Reserved
3 2 1
Reserved
0
0