MCP2510-/P MICROCHIP [Microchip Technology], MCP2510-/P Datasheet - Page 23
MCP2510-/P
Manufacturer Part Number
MCP2510-/P
Description
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.MCP2510-P.pdf
(80 pages)
- Current page: 23 of 80
- Download datasheet (2Mb)
FIGURE 4-2:
© 2007 Microchip Technology Inc.
according to which filter criteria
Set RXB0CTRL.FILHIT <0>
Move message into RXB0
Set CANINTF.RX0IF=1
CANINTE.RX0IE=1?
CANINTF.RX0IF=0
BFPCTRL.B0BFM=1
BF1CTRL.B0BFE=1
Yes
MESSAGE RECEPTION FLOWCHART
AND
ARE
Is
?
?
No
The CANINTF.RXnIF bit
determines if the receive
register is empty and able
to accept a new message
No
Yes
Yes
No
Generate Overflow Error:
Set RXBF0
RXB0CTRL.BUKT=1
Generate
Set EFLG.RX0OVR
Pin = 0
Frame
Error
RXB0
Yes, meets criteria
for RXBO
Is
?
No
The RXB0CTRL.BUKT
bit determines if RXB0
can roll over into RXB1
if it is full
Set CANSTAT <3:0> accord-
ing to which receive buffer
the message was loaded into
Message Assembly Buffer (MAB)
No
Begin Loading Message into
No
CANINTE.ERRIE=1
Interrupt on INT
Yes
Generate
Identifier meets
Yes
a filter criteria
Go to Start
Message
Message
Received
Message
Is
?
Start of
Detect
Valid
Start
?
?
?
Yes
Yes
No
Generate Overflow Error:
Set EFLG.RX1OVR
No
Go to Start
Yes, meets criteria
for RXB1
RXB1
Set RXBF1
Pin = 0
Yes
according to which filter criteria
No
Set RXB0CTRL.FILHIT <2:0>
Yes
Move message into RXB1
Set CANINTF.RX1IF=1
CANINTE.RX1IE=1?
CANINTF.RX1IF = 0
BFPCTRL.B1BFM=1
BF1CTRL.B1BFE=1
Yes
MCP2510
was met
AND
ARE
Is
?
?
No
No
DS21291F-page 23
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