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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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SPSB081C5 데이터시트(PDF) 29 Page - STMicroelectronics |
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SPSB081C5 데이터시트(HTML) 29 Page - STMicroelectronics |
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29 / 135 page  3.11.3.3 Status change wake-up - Dominant-to-recessive If the LIN transceiver was set in standby mode while LIN was in dominant (low) state, recessive level at LIN for tLINBUS, switches the device to active mode. 3.12 CAN FD bus transceiver 3.12.1 Features • ISO 11898-2:2016 compliant • CAN-FD cell has been designed according to “Hardware requirements for transceivers (version 1.3)” • Listen mode (transmitter disabled) • SAE J2284 compliant • Designed according to SAE J2962-2 (draft nov. 2017) • Supported bitrates of at least 2Mb/s for operation (5Mb/s max bit rate) • Function range from -27V to +40V DC at CAN pins. • GND disconnection Fail-Safe at module level. • GND shift operation at system level. • Micro controller Interface with CMOS compatible I/O pins. • ESD and transient immunity according to ISO7637 and EN / IEC61000-4-2 • Matched output slopes and propagation delay 3.12.2 CAN transceiver supply The two low drops out voltage regulators (V1 and V2) are able to supply the CAN FD transceiver when configured as a 5 V LDO (see Table 6. Voltage regulators configuration). CAN FD supply is monitored, only in active mode, assuring the properly rail: if VCANSUP < VCANSUPlow then after the filter time tCANSUPvalid: • CAN_SUP_LOW flag is set to 1 • CAN bus is biased by internal regulator • The transmitter is disabled When VCANSUP pin > VCANSUPvalid then after the filter time tCANSUPvalid: • CAN_SUP_LOW flag can be cleared • CAN bus is biased by VCANSUP pin • The transmitter is enabled. When VCANSUP is connected to V2, and V2 is OFF during standby mode, the CAN_SUP_LOW flag is triggered when the device wakes up and goes back in ACTIVE mode. When VCANSUP is connected to V1, and the device is put in VBAT_standby mode, the CAN_SUP_LOW flag is triggered when the device wakes up and goes back in ACTIVE mode. SPSB081 CAN FD bus transceiver DS14048 - Rev 1 page 29/135 |
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