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UM0934 데이터시트(PDF) 70 Page - STMicroelectronics

부품명 UM0934
상세설명  ST7570 S-FSK power line networking System-on-Chip
PDF  113 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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UM0934 데이터시트(HTML) 70 Page - STMicroelectronics

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Management information base (MIB)
UM0934
70/113
Doc ID 17389 Rev 2
6.5.6
0005h (MAC group addresses)
This object stores the values of the 5 MAC group addresses. (refer to [2]).
Read/write confirm data format:
The same as request.
6.5.7
0006h (invalid frame counter)
This object stores the number of the invalid received MAC frames.
After checking FI and Ns parameters in the received MAC frame, the counter is increased if
at least one of the two following events occurred:
●
The frame indicator parameter (FI) is not equal to LONG_MAC_FRAME (0000h) even if
the frame type check is disabled (in Monitor modes only)
●
The number of subframes (Ns field) in a received MAC frame is not correct
●
The CRC field is wrong (even if CRC check is disabled, Section 6.5.9).
The confirm message of a CMD_ReadDBRequest returns the current value of the counter
without changing it. The CMD_WriteDBRequest resets the value of the counter (0) and the
confirm message returns the reset value (0).
Table 81.
MIB object 0004h: Write error data format
Byte
Returned value
Error description
0
ERR_UNAVAILABLE_RESOURCE
The modem is not configured as MAC
ERR_ILLEGAL_DATA_COMMAND
Wrong number of data bytes
ERR_REQUEST_NOT_ALLOWED
The modem is configured as Monitor
Table 82.
MIB object 0005h: Write request data format
Byte
Label
Description
Available range
Factory default
0..1
MAC group address 0
1st MAC group address
0000h ... 0FFFh
0000h
2..3
MAC group address 1
2nd MAC group address
0000h ... 0FFFh
0000h
4..5
MAC group address 2
3rd MAC group address
0000h ... 0FFFh
0000h
6..7
MAC group address 3
4th MAC group address
0000h ... 0FFFh
0000h
8..9
MAC group address 4
5th MAC group address
0000h ... 0FFFh
0000h
Table 83.
MIB object 0005h: Write error data format
Byte
Returned value
Error description
0
ERR_UNAVAILABLE_RESOURCE The modem is not configured as MAC
ERR_ILLEGAL_DATA_COMMAND Wrong number of data bytes or at least one address value out of range



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