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L9678P データシート(PDF) 59 Page - STMicroelectronics

部品番号 L9678P
部品情報  Automotive user configurable airbag IC
PDF  203 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9678P データシート(HTML) 59 Page - STMicroelectronics

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DocID029274 Rev 3
59/203
L9678P, L9678P-S
SPI interface
202
Set based on voltage, cleared on SPI read
0 VDD3V3 > VDD3V3_UV
1 VDD3V3 < VDD3V3_UV
VDD3V3_OV
-
-
-
VDD3V3 bad pin status
Set based on voltage, cleared on SPI read
0 VDD3V3 < VDD3V3_OV
1 VDD3V3 > VDD3V3_OV
ER_BST_NOK
-
-
-
ERBOOST pin status
Set and cleared based on voltage
1 V_ERBOOST < ERBOOST_OK
0 V_ERBOOST > ERBOOST_OK
VDD5_UV
-
-
-
VDD5_UV status
Set based on voltage, cleared on SPI read
0 VDD5 > VDD5_UV
1 VDD5 < VDD5_UV
VDD5_OV
-
-
-
VDD5_OV status
Set based on voltage, cleared on SPI read
0 VDD5 < VDD5_OV
1 VDD5 > VDD5_OV
VSUP_NOK
-
-
-
VSUP status
Set and cleared based on voltage
0 VSUP > VSUP_OK
1 VSUP < VSUP_OK
ER_BST_ON
0
-
-
ERBOOST_ON state
Updated according to ER_BOOST Control Behavior diagram
0 RBOOST_OFF or ERBOOST_OT state or ER_BST_STBY state (boost
not running)
1 ERBOOST_ON state (boost running)
ER_CHRG_ON
0
0
0 ERCHARGE_ON state
Updated according to ER_CHARGE Power Mode Control diagram
0 ERCHARGE_ON = 0
1 ERCHARGE_ON = 1



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