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AMIS-49587_15 Datasheet, PDF (53/56 Pages) ON Semiconductor – Power Line Carrier Modem | |||
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AMISâ49587
7.4.13.1 PhyAlarmRequest
Description:
This request is used to send a physical alarm pattern. No data is transmitted to indicate the number of repetitions, the
AMISâ49587 already knows this number because it is in its set of configuration data.
Request Format:
<STX> 0x05(Length)
0x41 (AccessDB_Request)
0x0F00 CHK
Confirm Format:
<STX> 0x06(Length)
0x42 (AccessDB_Confirm)
0F00h
7.4.14 AccessDB_Confirm
See paragraph AccessDB_Confirm.
7.4.15 AccessDB_Error
See paragraph AccessDB_Error.
7.5 RETRIEVE STATISTICAL DATA FROM THE AMISâ49587
Number of alarm Transmissions (1 byte) CHK
Table 51. STATISTICS COMMAND AND RESPONSES
Command
AccessDB_Request
Unsolicited*
no
Initiator
Application micro controller (DB_Da-
ta_Id)
Valid Command in Mode:
Master / Slave
Code
41h
AccessDB_Confirm
no
AMISâ49587 (DB_Data_Id_Echo)
Master / Slave
42h
AccessDB_Error
no
AMISâ49587 (Error_Code)
Master / Slave
43h
*An unsolicited message is a message that is originating from the AMISâ49587, based upon an AMISâ49587 internal event. The message is
not provoked by a prior command sent by the external processor.
7.5.1 AccessDB_Request
The AccessDB_Request command can be used to read data path statistical information from the AMISâ49587.
Like in all other AccessDB_Request commands, the specific identifier of the data that is to be read needs to be provided:
Field Name
Invalidâframeâcounter
Counters
DataStats
Identifier
0x0006
0x000D
0x0010
Description
Read the value of the invalidâframe counter and then set to 0
Read the value of the data counters:Counter Crc Ok, Counter Crc Not Ok,
Repeater counter, Transmit counter, corrected frames counter, and then
set to 0 or not
Read the value of the Data statistics, and then set to 0 or not.
7.5.1.1 Invalid Frame Counter
This request is used to read the Invalid Frame Counter of the AMISâ49587. Once the request sent to the AMISâ49587, the
Invalid Frame counter is automatically set to 0. The AMISâ49587 answers with the value of the Invalid Frame Counter
Request Format:
<STX> 0x05(Length)
0x41 (AccessDB_Request)
0x0600 CHK
Confirm Format:
<STX> 0x06(Length)
0x42 (AccessDB_Confirm)
0x0600
Invalid Frame Counter (1 byte)
CHK
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