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L9779WD датащи(PDF) 159 Page - STMicroelectronics

номер детали L9779WD
подробное описание детали  Multifunction IC for engine management system
PDF  170 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9779WD датащи(HTML) 159 Page - STMicroelectronics

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L9779WD
Functional description
169
DIA_REG9
Diagnostic register 9
Address:
0011b
Type:
Reset:
7
654
32
10
KEY_ON_
STATUS
MRD_OVC
VRS_STAT
VRS_DIAG
VTRK2_DIAG[1:0]
VTRK1_DIAG[1:0]
R/W
[7] KEY_ON_STATUS
1: KEY_ON voltage above KEY_ON_H
0: KEY_ON voltage below KEY_ON_L
[6] MRD_OVC
1: Current MRD status is OFF due to previous Over current
0: Current MRD status is ON (no OVC detected)
[5] VRS_STAT
1: Diag ON
0: Diag OFF
[4] VRS_DIAG
0: No Fault
1: Generic fault detected
This function is only available if VRS is set to fully adaptive mode. When limited adaptive mode
is set, VRS_DIAG always returns 0.
[3-2] VTRK2_DIAG[1:0]: Diagnosis bit of VTRK2
00: Not used
01: Overload condition/out of regulation
10: Overvoltage (OV) or over temperature (OT) (Lower priority respect to Overload condition)
11: Sensor supply VTRK ok
NO FAIL
[1-0] VTRK1_DIAG[1:0]: Diagnosis bit of VTRK1
00: Not used
01: Overload condition/out of regulation
10: Overvoltage (OV) or over temperature (OT) (Lower priority respect to overload condition)
11: Sensor supply VTRK OK
NO FAIL



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