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SPSB081 数据表(PDF) 72 Page - STMicroelectronics |
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SPSB081 数据表(HTML) 72 Page - STMicroelectronics |
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72 / 135 page  1. VSREG not floating 2. Related to the external supply pin of the CAN-transceiver. If the transceiver supply is generated entirely inside of the device the parameter is measured with respect to the supply of the device. 3. Related to the external supply pin of the CAN-transceiver. If the transceiver supply is generated entirely inside of the device the parameter is measured with respect to the supply of the device; if the transceiver is supplied by its own supply pin, this pin has to fulfill this specification as well as the supply that is used to generate the transceiver voltage in case it is on the same device. 4. Related to the external supply pin of the CAN-transceiver. If the transceiver supply is generated entirely inside of the device the parameter is measured with respect to the supply of the device; if the transceiver is supplied by its own supply pin, this pin has to fulfill this specification as well as the supply that is used to generate the transceiver voltage in case it is on the same device. It is connected via 47 kΩ to GND. Table 50. Biasing control timings Symbol Parameter Condition Min Typ Max Unit Item tfilter CAN activity filter time Tested by scan 0.5 1.8 µs E.068 twake Wake-up time out Tested by scan 0.8 1 5 ms E.069 tSilence CAN timeout Tested by scan 600 700 1200 ms E.070 TBias CAN bias reaction time 250 µs E.112 5.14 LIN transceiver (only for SPSB0815 & SPSB0813) LIN ISO 17987-6:2016 compliant For data rates up to 20 Kbit/s The voltages are referred to GND and currents are assumed positive, when the current flows into the pin. 6 V < VSREG< 18 V; Tjunction = from -40°C to 150°C unless otherwise specified. Table 51. LIN transmit data input: Pin TxD Symbol Parameter Condition Min Typ Max Unit Item VTXDLOW Input voltage dominant level Active mode 1.0 1.45 V E.071 VTXDHIGH Input voltage recessive level Active mode 1.85 2.3 V E.072 VTXDHYS VTXDHIGH-VTXDLOW Active mode 0.2 0.4 V E.073 RTXDPU TXD pulls up resistor Active mode 13 29 49 kΩ E.074 Table 52. LIN receive data output: Pin RxD Symbol Parameter Condition Min Typ Max Unit Item VRXDLOW Output voltage dominant level Active mode 0.2 0.5 V E.075 VRXDHIGH Output voltage recessive level Active mode V1-0.5 V1-0.2 V E.076 Table 53. LIN transmitter and receiver: Pin LIN Symbol Parameter Condition Min Typ Max Unit Item VTHdom Receiver threshold voltage recessive to dominant state 0.4* VSREG 0.45* VSREG 0.5* VSREG V E.077 VBusdom Receiver dominant state 0.4* VSREG V E.078 VTHrec Receiver threshold voltage dominant to recessive state 0.5* VSREG 0.55* VSREG 0.6* VSREG V E.079 VBusrec Receiver recessive state 0.6* VSREG V E.080 SPSB081 LIN transceiver (only for SPSB0815 & SPSB0813) DS14048 - Rev 1 page 72/135 |
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