参数资料
型号: MCP2510-I/P
厂商: Microchip Technology
文件页数: 16/80页
文件大小: 0K
描述: IC CAN CONTRLER IND TEMP 18DIP
产品培训模块: CAN Bus Protection
标准包装: 25
控制器类型: CAN 接口
接口: SPI
电源电压: 3 V ~ 5.5 V
电流 - 电源: 10mA
工作温度: -40°C ~ 85°C
安装类型: 通孔
封装/外壳: 18-DIP(0.300",7.62mm)
供应商设备封装: 18-PDIP
包装: 管件
产品目录页面: 685 (CN2011-ZH PDF)
配用: DV251001-ND - KIT DEVELOPMENT CAN MCP2510
其它名称: Q731310
2007 Microchip Technology Inc.
DS21291F-page 23
MCP2510
FIGURE 4-2:
MESSAGE RECEPTION FLOWCHART
Set RXBF0
Start
Detect
Start of
Message
?
Valid
Message
Received
?
Generate
Error
Message
Identifier meets
a filter criteria
?
Is
CANINTF.RX0IF=0
?
Go to Start
Move message into RXB0
Set RXB0CTRL.FILHIT <2:0>
Is
CANINTF.RX1IF = 0
?
Move message into RXB1
Set CANINTF.RX1IF=1
Yes, meets criteria
for RXBO
No
Generate
Interrupt on INT
Yes
No
Yes
No
Yes
Frame
The
CANINTF.RXnIF
bit
determines if the receive
register is empty and able
to accept a new message
No
Yes
No
Begin Loading Message into
Message Assembly Buffer (MAB)
according to which filter criteria
was met
Set RXB0CTRL.FILHIT <0>
according to which filter criteria
Set CANSTAT <3:0> accord-
ing to which receive buffer
the message was loaded into
Is
RXB0CTRL.BUKT=1
?
The RXB0CTRL.BUKT
bit determines if RXB0
can roll over into RXB1
if it is full
Generate Overflow Error:
Set EFLG.RX1OVR
Is
CANINTE.ERRIE=1
?
No
Go to Start
Yes
No
ARE
BFPCTRL.B0BFM=1
?
BF1CTRL.B0BFE=1
AND
Pin = 0
No
Set RXBF1
Pin = 0
No
Yes
CANINTE.RX0IE=1?
CANINTE.RX1IE=1?
RXB1
RXB0
Yes, meets criteria
for RXB1
Set EFLG.RX0OVR
Generate Overflow Error:
Set CANINTF.RX0IF=1
ARE
BFPCTRL.B1BFM=1
?
BF1CTRL.B1BFE=1
AND
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