Fujitsu MHY2250BH, MHY2160BH, MHY2200BH, MHY2100BH, MHY2120BH manual Operation of Download Microcode

Interface

Table 5.7 Operation of DOWNLOAD MICROCODE

	Host Command			Movement of device
Subcommand	Sector Offset	Sector count	Data
code	*1			Microcode rewriting execution
		(SN, SC Field)	transfer
(FR Field)	(CH, CL Field)
01h	----	0000h	Non	Rewriting execution reservation
		xxxxh	It is.	Rewriting execution reservation
03h	xxxxh	0000h	Non	Rewriting execution reservation
		xxxxh	It is.	Rewriting execution reservation
07h	----	0000h	Non	Execution. *2
		xxxxh	It is.	Execution. *2
Excluding 01h,		−
03h				Abort
and 07h

*1: When FR Field = 03 (Mode3) is specified, Abort is returned as an error when the specification of doing Sector Offset (CH, CL Field) is the transfer end the last sector and is not consecutive.

Moreover, Sector Offset (CH, CL Field) is invalid in specification other than

FR Field = 03 (Mode3).

*2: In the following cases, Subcommand code = 07h returns Abort as an error though becomes Microcode rewriting execution specification.

1)Abnormality of the transmitted Microcode data is detected.

2)The data transfer is not done (The number of transfer: 0).

3)The DOWNLOAD MICROCODE command is not continuously issued when the transfer has been divided into multiple transfers.

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