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L9788 데이터시트(PDF) 153 Page - STMicroelectronics

부품명 L9788
상세설명  Multifunction IC for automotive engine management system
PDF  264 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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L9788 데이터시트(HTML) 153 Page - STMicroelectronics

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DS12308 Rev 4
153/264
L9788
CAN FD interface
263
When the CAN transceiver is in normal mode and at least one of the above faults occurs the
transmitter is disabled.
Reset matrix *10 source means that at least one of the following faults is active and the
CAN_TDI bit is set:
ERR_CNT>4;
ERR_CNT>7;
RST_PRL;
When the CAN transceiver is in normal mode and at least one of the above faults occurs the
transmitter is disabled.
Reset matrix *13 source means that at least one of the following faults is active:
1.
VB_STBY_UV
2.
VB_OV t>TBOV2
3.
VB_UV
4.
V3V3A_OV, V3V3A_UV, V3V3D_OV and V3V3D_UV
5.
VDD5_UV
6.
VDDIO_UV
When the CAN transceiver is in normal mode and at least one of the above faults occurs the
MSC bit CAN_EN is cleared sending the CAN transceiver in Low-power Mode.
12.11
CAN looping mode
If the proper configuration bit (CAN_LOOP_EN) in control register is set the TxDC input is
mapped directly to the RxDC Pin. This mode can be used in combination with the CAN
receive-only mode, to run diagnosis for the CAN protocol handler of the microcontroller.
Figure 69. CAN_TX input structure
GADG0912161539PS
V3V3
V3V3
VHIGH
Input structures: cascoding to
sustain battery level
VLOW



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