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TJA1041AT Datasheet(PDF) 5 Page - NXP Semiconductors |
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TJA1041AT Datasheet(HTML) 5 Page - NXP Semiconductors |
5 / 24 page 2004 Feb 20 5 Philips Semiconductors Product specification High speed CAN transceiver TJA1041A PINNING SYMBOL PIN DESCRIPTION TXD 1 transmit data input GND 2 ground VCC 3 transceiver supply voltage input RXD 4 receive data output; reads out data from the bus lines VI/O 5 I/O-level adapter voltage input EN 6 enable control input INH 7 inhibit output for switching external voltage regulators ERR 8 error and power-on indication output (active LOW) WAKE 9 local wake-up input VBAT 10 battery voltage input SPLIT 11 common-mode stabilization output CANL 12 LOW-level CAN bus line CANH 13 HIGH-level CAN bus line STB 14 standby control input (active LOW) handbook, halfpage TJA1041AT MDB635 1 2 3 4 5 6 7 TXD GND VCC RXD VI/O EN INH STB CANH CANL SPLIT VBAT WAKE ERR 14 13 12 11 10 9 8 Fig.2 Pinning configuration. FUNCTIONAL DESCRIPTION The primary function of a CAN transceiver is to provide the CAN physical layer as described in the ISO 11898 standard. In the TJA1041A this primary function is complemented with a number of operating modes, fail-safe features and diagnosis features, which offer enhanced system reliability and advanced power management functionality. Operating modes The TJA1041A can be operated in five modes, each with specific features. Control pins STB and EN select the operating mode. Changing between modes also gives access to a number of diagnostics flags, available via pin ERR. The following sections describe the five operating modes. Table 1 shows the conditions for selecting these modes. Figure 3 illustrates the mode transitions when VCC, VI/O and VBAT are present. |
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