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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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L9805E bảng dữ liệu(PDF) 91 Page - STMicroelectronics |
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L9805E bảng dữ liệu(HTML) 91 Page - STMicroelectronics |
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91 / 125 page  L9805E On-chip peripherals 91/125 5.7 CAN bus transceiver 5.7.1 Introduction The CAN bus transceiver allows the connection of the microcontroller, with CAN controller unit, to a CAN bus. The transmitter section drives the CAN bus while the receiver section senses the data on the bus. The CAN transceiver meets ISO/DIS 11898 up to 1 MBaud. 5.7.2 Main features TRANSMITTER: ■ Generation of differential Output signals ■ Short Circuit protection from transients in automotive environment ■ Slope control to reduce RFI and EMI ■ High speed (up to 1Mbaud) ■ If un-powered, L9805E CAN node does not disturb the bus lines (the transceiver is in recessive state). RECEIVER: ■ Differential input with high interference suppression ■ Common mode input voltage range (VCOM) from -5 to 12V 61 0 LIDLR Reset Value LID2 x LID1 x LID0 x LRTR x LDLC3 x LDLC2 x LDLC1 x LDLC0 x 1 to 3 IDLRx Reset Value ID2 x ID1 x ID0 x RTR x DLC3 x DLC2 x DLC1 x DLC0 x 61, 65 4 FLRx Reset Value FIL3 x FIL2 x FIL1 x FIL0 x0 0 0 0 62 to 69 1 to 3 DRx Reset Value MSB xxx x x x x LSB x 62, 66 4 MHRx Reset Value MSK11 x MSK10 x MSK9 x MSK8 x MSK7 x MSK6 x MSK5 x MSK4 x 63, 67 4 MLRx Reset Value MSK3 x MSK2 x MSK1 x MSK0 x0 0 0 0 6E 0 TECR Reset Value MSB 00 0 0 0 0 0 LSB 0 6F 0 RECR Reset Value MSB 00 0 0 0 0 0 LSB 0 1 to 3 BCSRx Reset Value 0 0 0 0 ACC 0 RDY 0 BUSY 0 LOCK 0 Table 14. CAN register map and reset values (continued) Address (Hex.) Page Register Label 7 6 5 4 3 2 1 0 |
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