Fujitsu MAP3147 Instrukcja Użytkownika Pobierz pdf (Strona 20)

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101

Command Processing

1 - 2 C141-E167

Bit

Byte

76543210

0 Operation Code

1 LUN 00000

2 Logical Block Address (MSB)

3 Logical Block Address

4 Logical Block Address

5 Logical Block Address (LSB)

600000000

7 Transfer Data Length (MSB)

8 Transfer Data Length (LSB)

9 Control Byte

Figure 1.2 10-Byte CDB Basic Format

Bit

Byte

76543210

0 Operation Code

1 LUN 00000

2 Logical Block Address (MSB)

3 Logical Block Address

4 Logical Block Address

5 Logical Block Address (LSB)

6 Transfer Data Length (MSB)

7 Transfer Data Length (LSB)

8 Transfer Data Length (MSB)

9 Transfer Data Length (LSB)

1000000000

11 Control Byte

Figure 1.3 12-Byte CDB Basic Format

The meanings of each of the fields in the CDB are explained below. Depending on the type of

command, the basic format of the CDB, the definitions of fields and their meanings may differ.

Details are described in the specifications for each individual command in Chapter 3.

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