Fujitsu MCE3064AP, MCF3064AP, MCE3130AP manual READ 10 command, READ command, READ 12 command

Models: MCE3130AP MCE3064AP MCF3064AP

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4.6.8READ (10) command

 

 

 

 

Table 4.77

READ command

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bit

7

 

6

5

 

4

 

3

2

1

0

Byte

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

Operation Code (28h)

 

 

 

 

 

 

 

 

 

 

 

 

1

 

Logical Unit Number

 

 

 

 

Reserved

 

 

 

 

 

 

 

 

 

 

 

2-5

 

 

 

 

Logical Block Address

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

 

 

 

 

 

 

Reserved

 

 

 

 

 

 

 

 

 

 

 

 

 

7-8

 

 

 

 

 

Transfer Length

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9-11

 

 

 

 

 

 

Reserved

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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.

4.6.9READ (12) command

 

 

 

 

Table 4.78

READ command

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bit

7

 

6

5

 

4

 

3

2

1

0

Byte

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

Operation Code (A8h)

 

 

 

 

 

 

 

 

 

 

 

 

1

 

Logical Unit Number

 

 

 

 

Reserved

 

 

 

 

 

 

 

 

 

 

 

2-5

 

 

 

 

Logical Block Address

 

 

 

 

 

 

 

 

 

 

 

 

 

6-9

 

 

 

 

 

Transfer Length

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10-11

 

 

 

 

 

 

Reserved

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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.

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Page 124
Image 124
Fujitsu MCE3064AP, MCF3064AP, MCE3130AP manual READ 10 command, READ command, READ 12 command