FUJITSU MCM3064AP - Manual (Page 150)

Host Interface
4-80 C156-E227-01EN
The WRITE (10) command receives and writes data for the specified number of
blocks from the specified logical block address.
Logical Block Address specifies the head logical block address used to start
writing.
Transfer Length specifies the number of blocks to be transferred and written.
When Transfer Length is 0, the command does not carry out data transfer. It
simply ends normally without writing any data.
4.6.24 Write (12) command
Table 4.113 Write (12) command
Bit
Byte
7 6 5 4 3 2 1 0
0 Operation Code (AAh)
1 Logical Unit Number Reserved
2-5 Logical Block Address
6-9 Transfer Length
10-11 Reserved
The Write (12) command receives data for the specified number of blocks and,
starting from the specified logical block address, writes the data.
Logical Block Address indicates the beginning logical block address where
writing starts.
Transfer Length indicates the number of blocks to transfer and write.
When Transfer Length is 0, the command does not transfer data. The command
simply ends normally without writing any data.