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L9396 データシート(PDF) 82 Page - STMicroelectronics

部品番号 L9396
部品情報  Automotive multiple power supply IC
PDF  109 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9396 データシート(HTML) 82 Page - STMicroelectronics

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System functional safety implementations
L9396
82/109
DS12539 Rev 6
WD Status register
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
98
76543210
W
Addr
Reserved
-
-
WD_Cnt_Value
CRC
SPI parameter
Size
(bits)
default
Description
WD_Cnt_Value
4
7
Current value of the WD counter
WD_Early_Answ
1
0
Flag set if the last answer has been sent too early related to
the programmed timing parameters.
0: Ok
1: Answer sent before T_Valid_Answ_Start time
WD_Late_Answ
1
0
Flag set if the last answer has been sent too late related to the
programmed timing parameters.
0: Ok
1: Answer sent after T_Valid_Answ_End time
WD_Bad_Answ
1
0
Flag set if the last answer has been sent inside the right timing
window (between T_Valid_Answ_Start and T_Valid_Answ_End
time) but it isn’t the expected answer.
0: Ok
1: Wrong answer
WD_Early_Req
1
0
Flag set if the last request has been sent too early related to
the programmed timing parameters.
0: Ok
1: Request sent before T_Valid_Req_Start time
WD_Late_Req
1
0
Flag set if the last request has been sent too late related to the
programmed timing parameters.
0: Ok
1: Request sent after T_Valid_Req_End time
WD_RST_ TO_Answ
1
0
Flag set if the WD1_RESET signal has been sent because
Answer time out elapsed.
0: Ok
1: WD1_RESET because T_Answ_Timeout elapsed
WD_RST_ TO_Req
1
0
Flag set if the WD1_RESET signal has been sent because
Request time out elapsed.
0: Ok
1: WD1_RESET because T_Req_Timeout elapsed



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