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MCP2510-ISO Datasheet(PDF) 43 Page - Microchip Technology |
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MCP2510-ISO Datasheet(HTML) 43 Page - Microchip Technology |
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43 / 80 page  © 2007 Microchip Technology Inc. DS21291F-page 43 MCP2510 REGISTER 6-3: EFLG - ERROR FLAG REGISTER (ADDRESS: 2Dh) R/W-0 R/W-0 R-0 R-0 R-0 R-0 R-0 R-0 RX1OVR RX0OVR TXBO TXEP RXEP TXWAR RXWAR EWARN bit 7 bit 0 bit 7 RX1OVR: Receive Buffer 1 Overflow Flag - Set when a valid message is received for RXB1 and CANINTF.RX1IF = 1 - Must be reset by MCU bit 6 RX0OVR: Receive Buffer 0 Overflow Flag - Set when a valid message is received for RXB0 and CANINTF.RX0IF = 1 - Must be reset by MCU bit 5 TXBO: Bus-Off Error Flag - Bit set when TEC reaches 255 - Reset after a successful bus recovery sequence bit 4 TXEP: Transmit Error-Passive Flag - Set when TEC is equal to or greater than 128 - Reset when TEC is less than 128 bit 3 RXEP: Receive Error-Passive Flag - Set when REC is equal to or greater than 128 - Reset when REC is less than 128 bit 2 TXWAR: Transmit Error Warning Flag - Set when TEC is equal to or greater than 96 - Reset when TEC is less than 96 bit 1 RXWAR: Receive Error Warning Flag - Set when REC is equal to or greater than 96 - Reset when REC is less than 96 bit 0 EWARN: Error Warning Flag - Set when TEC or REC is equal to or greater than 96 (TXWAR or RXWAR = 1) - Reset when both REC and TEC are less than 96 Legend: R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’ -n = Value at POR ’1’ = Bit is set ’0’ = Bit is cleared x = Bit is unknown |
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Similar Description - MCP2510-ISO |
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