MCP2510-E/ST Microchip Technology, MCP2510-E/ST Datasheet - Page 23
![no-image](/images/manufacturer_photos/0/4/439/microchip_technology_sml.jpg)
MCP2510-E/ST
Manufacturer Part Number
MCP2510-E/ST
Description
Stand-Alone CAN Controller with SPI Interface
Manufacturer
Microchip Technology
Datasheet
1.MCP2510-EST.pdf
(76 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MCP2510-E/ST
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
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FIGURE 4-2:
2002 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
Yes
Identifier meets
a filter criteria
Go to Start
Received
Message
Message
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
DS21291E-page 23
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