UM0932 datasheet(24/43 Pages) STMICROELECTRONICS

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Host interface

UM0932

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3.3.7

MIB_ReadConfirm (0Dh)

This command is sent by the ST7580 to acknowledge an MIB_ReadRequest (see

Section 3.3.6) if the request has been accepted and executed without errors.

3.3.8

MIB_EraseRequest (10h)

This command is used by the external host to erase the value of an MIB object and set it to

0. This command is valid for erasable MIB objects only (Table 52).

The ST7580 checks the parameters for validation:



If the check is valid, the object is updated to a value equal to 0 in the database and the

ST7580 replies with an MIB_EraseConfirm (Section 3.3.9).



If the check is not valid, the request is rejected and the ST7580 replies with an

MIB_EraseError (Table 12).

3.3.9

MIB_EraseConfirm (11h)

This command is sent by the ST7580 to acknowledge an MIB_EraseRequest (see

Section 3.3.8) if the request has been accepted and executed without errors.

Table 25. MIB_ReadConfirm: Syntax

Source

Command(Args)

Possible response

ST7580

MIB_ReadConfirm(ConfirmData)

None

Table 26. MIB_ReadConfirm: ConfirmData

Byte index

Label

Description

 nDATA

Current value of the MIB object with INDEX expressed in the previous

MIB_ReadRequest command (Section 3.3.6).

Table 27. MIB_EraseRequest: Syntax

Source

Command(Args)

Possible response

Ext. host

MIB_EraseRequest(RequestData)

Request accepted: MIB_EraseConfirm

Request rejected: MIB_EraseError (ErrorData)

Table 28. MIB_WriteRequest: RequestData

Byte index

Label

Description

INDEX

MIB database entry index. Refer to the MIB table (

Table 52) for available

objects.

Table 29. MIB_EraseConfirm: Syntax

Source

Command(Args)

Possible response

ST7580

MIB_EraseConfirm ()

None

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