MCP2551 - Microchip Technology

MCP2551 High-Speed CAN Transceiver

The 8-pin pinout is listed in Table 1-3. TABLE 1-3: MCP2551 PINOUT Pin Pin Number Name Pin Function 1 TXD Transmit Data Input 2 VSS Ground 3 VDD Supply Voltage 4 RXD Receive Data Output 5 VREF Reference Output Voltage 6 CANL CAN Low-Level Voltage I/O 7 CANH CAN High-Level Voltage I/O 8 RS Slope-Control Input MCP2551 1.7.1 TRANSMITTER DATA INPUT (TXD) .

Features

• Supports 1 Mb/s operation
• Implements ISO-11898 standard physical layer requirements
• Suitable for 12V and 24V systems
• Externally-controlled slope for reduced RFI emissions
• Detection of ground fault (permanent Dominant) on TXD input
• Power-on Reset and voltage brown-out protection
• An unpowered node or brown-out event will not disturb the CAN bus
• Low current standby operation
• Protection against damage due to short-circuit conditions (positive or negative battery voltage)
• Protection against high-voltage transients
• Automatic thermal shutdown protection
• Up to 112 nodes can be .