Fujitsu MCM3064AP SYNCHRONIZE CACHE command, 110 TEST UNIT READY command, Host Interface

Host Interface

4.6.20 SYNCHRONIZE CACHE command

Table 4.109 SYNCHRONIZE CACHE command

Bit	7	6	5		4		3	2	1	0
Byte
0				Operation Code (35h)
1	Logical Unit Number						Reserved		IMMED	Reserved
2-5				Logical Block Address
6						Reserved
7-8					Number of Blocks
9-11						Reserved

The SYNCHRONIZE CACHE command writes cache memory data not written yet in the data buffer to media.

The IMMED (Immediate) bit is not supported. When the IMMED bit is 1, the command responds with Check Condition.

The command writes all data not written yet in the cache memory of the data buffer to media, regardless of the value set in Logical Block Address and Number of Blocks. The command does not check the value of Logical Block Address and Number of Blocks.

4.6.21 TEST UNIT READY command

Table 4.110 TEST UNIT READY command

Bit	7	6	5	4		3	2	1	0
Byte
0				Operation Code (00h)
1	Logical Unit Number						Reserved
2-11					Reserved

The TEST UNIT READY command checks if the device is ready for test and reports the device status to the host.

If the ODD can end normally for appropriate access commands, the command responds with the Good status. Otherwise, the command responds with Check Condition to the host.

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