MCP2515DM-BM Microchip Technology, MCP2515DM-BM Datasheet - Page 26

• 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

MCP2515
FIGURE 4-3:
DS21801F-page 26
according to which filter criteria
Set RXB0CTRL.FILHIT <0>
Move message into RXB0
Set CANINTF.RX0IF =
BF1CTRL.B0BFE =
CANINTE.RX0IE =
BFPCTRL.B0BFM =
CANINTF.RX0IF =
Yes
No
and
Are
Is
RECEIVE FLOW FLOWCHART
No
Determines if the receive
register is empty and able
to accept a new message
0
1
1
1
?
?
?
1
No
Yes
Yes
Generate Overflow Error:
RXB0CTRL.BUKT =
Generate
Frame
Error
Set EFLG.RX0OVR
Set RXBF0
RXB0
Pin =
0
Is
Determines if RXB0 can roll
over into RXB1, if it is full.
No
Set CANSTAT <3:0> accord-
ing to which receive buffer
the message was loaded into
Message Assembly Buffer (MAB)
Yes
No
CANINTE.ERRIE =
Begin Loading Message into
No
Interrupt on INT
Interrupt on INT
1
Yes
Generate
Generate
?
a filter criteria
Message?
Received?
for RXB0?
Message
Is
Start of
Yes
Detect
Meets
Valid
Start
Generate Overflow Error:
Yes
Yes
Set EFLG.RX1OVR
1
?
No
No
Go to Start
Set RXBF1
RXB1
Pin =
a filter criteria
0
Go to Start
for RXB1?
Meets
Yes
No
No
Yes
according to which filter criteria
© 2010 Microchip Technology Inc.
Set RXB0CTRL.FILHIT <2:0>
Move message into RXB1
Set CANINTF.RX1IF = 1
BF1CTRL.B1BFE =
CANINTE.RX1IE =
BFPCTRL.B1BFM =
CANINTF.RX1IF =
Yes
Yes
was met
and
Are
Is
No
No
1
0
1
?
?
1
?