MCP2515DM-BM Microchip Technology, MCP2515DM-BM Datasheet - Page 47

• Manufacturer Part Number: MCP2515DM-BM
• Description: BOARD DEMO FOR MCP2515/51
• Manufacturer: Microchip Technology
• Series: PICtail™r

Specifications of MCP2515DM-BM

• Main Purpose: Interface, CAN Controller
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: MCP2515, MCP2551
• Primary Attributes: Stand alone CAN Controller with SPI
• Silicon Manufacturer: Microchip
• Silicon Core Number: MCP2515, MCP2551
• Features: Two Identical Boards And A CAN Cable For Creating A Small CAN Bus, CAN Bus PC Software
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Secondary Attributes: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

REGISTER 6-3:
© 2010 Microchip Technology Inc.
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
RX1OVR
R/W-0
RX1OVR: Receive Buffer 1 Overflow Flag bit
- Set when a valid message is received for RXB1 and CANINTF.RX1IF = 1
- Must be reset by MCU
RX0OVR: Receive Buffer 0 Overflow Flag bit
- Set when a valid message is received for RXB0 and CANINTF.RX0IF = 1
- Must be reset by MCU
TXBO: Bus-Off Error Flag bit
- Bit set when TEC reaches 255
- Reset after a successful bus recovery sequence
TXEP: Transmit Error-Passive Flag bit
- Set when TEC is equal to or greater than 128
- Reset when TEC is less than 128
RXEP: Receive Error-Passive Flag bit
- Set when REC is equal to or greater than 128
- Reset when REC is less than 128
TXWAR: Transmit Error Warning Flag bit
- Set when TEC is equal to or greater than 96
- Reset when TEC is less than 96
RXWAR: Receive Error Warning Flag bit
- Set when REC is equal to or greater than 96
- Reset when REC is less than 96
EWARN: Error Warning Flag bit
- 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
RX0OVR
R/W-0
EFLG – ERROR FLAG
(ADDRESS: 2Dh)
W = Writable bit
‘1’ = Bit is set
TXBO
R-0
TXEP
R-0
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
RXEP
R-0
TXWAR
R-0
x = Bit is unknown
RXWAR
MCP2515
R-0
DS21801F-page 47
EWARN
R-0
bit 0