4 - 56 C156-E142-02EN4.6.8 READ (10) commandTable 4.77 READ commandBitByte 7 6 5 4 3 2 1 00 Operation Code (28h)1 Logical Unit Number Reserved2-5 Logical Block Address6 Reserved7-8 Transfer Length9-11 ReservedThe READ (10) command reads data for the specified number of blocks from the specified logicalblock 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 normallywithout reading any data.4.6.9 READ (12) commandTable 4.78 READ commandBitByte 7 6 5 4 3 2 1 00 Operation Code (A8h)1 Logical Unit Number Reserved2-5 Logical Block Address6-9 Transfer Length10-11 ReservedThe READ (12) command reads data for the specified number of blocks from the specified logicalblock 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.
