UM0934 datasheet(105/113 Pages) STMICROELECTRONICS

105 / 113 page

UM0934

MAC mode communication example

Doc ID 17389 Rev 2

105/113

10.2.1

Synchronization-confirmation-timeout reading

The local frame encapsulating the CMD_ReadDBRequest() to read the MIB object 0002h:

and the expected CMD_ReadDBConfirm() returned by the ST7570:

Therefore, the synchronization-confirmation-timeout is set at 3s.

10.2.2

Timeout-frame-not-ok reading

The local frame encapsulating the CMD_ReadDBRequest() to read the MIB object 0003h:

and the expected CMD_ReadDBConfirm() returned by the ST7570:

Therefore, the timeout-frame-not-ok default value is set at 40s.

10.2.3

Timeout-frame-not-addressed reading

The local frame encapsulating the CMD_ReadDBRequest() to read the MIB object 0004h:

and the expected CMD_ReadDBConfirm() returned by the ST7570:

Therefore, the timeout-frame-not-addressed default value is set at 40 s.

STX

Length

Command

Co de

DATA

CHK

02h 05h

90h

97.00h

02.00h

STX Length

Command

Co de

DATA

CHK

02h 07h

91h

9D.00h

MIB Index

02.00h

Object Va lue

03.00h

STX

Length

Command

Co de

DATA

CHK

02h 05h

90h

98.00h

03.00h

STX Length

Command

Code

DATA

CHK

02h 07h

91h

C3.00h

MIB Index

03.00h

Object Value

28.00h

STX

Length

Command

Co de

DATA

CHK

02h 05h

90h

99.00h

04.00h

STX Length

Command

Code

DATA

CHK

02h 07h

91h

05.01h

MIB Index

04.00h

Object Value

68.01h

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