MCP2515-I/SO Microchip Technology, MCP2515-I/SO Datasheet - Page 26

• Manufacturer Part Number: MCP2515-I/SO
• Description: IC CAN CONTROLLER W/SPI 18SOIC
• Manufacturer: Microchip Technology

Specifications of MCP2515-I/SO

• Package / Case: 18-SOIC (7.5mm Width)
• Controller Type: CAN Interface
• Interface: SPI
• Voltage - Supply: 2.7 V ~ 5.5 V
• Current - Supply: 10mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Product: Controller Area Network (CAN)
• Number Of Transceivers: 1
• Data Rate: 1 Mbps
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.7 V
• Supply Current (max): 10 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Supply Voltage Range: 2.7V To 5.5V
• Driver Case Style: SOIC
• No. Of Pins: 18
• Operating Temperature Range: -40°C To +85°C
• Filter Terminals: SMD
• Supply Voltage Min: 2.7V
• Rohs Compliant: Yes
• Clock Frequency: 40MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: MCP2515DM-BM - BOARD DEMO FOR MCP2515/51MCP2515DM-PTPLS - BOARD DAUGHTER PICTAIL MCP2515MCP2515DM-PCTL - BOARD DEMO FOR MCP2515DV251001 - KIT DEVELOPMENT CAN MCP2510
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

MCP2515
FIGURE 4-3:
DS21801B-page 26
according to which filter criteria
Set RXB0CTRL.FILHIT <0>
Move message into RXB0
CANINTE.RX0IE=1?
BFPCTRL.B0BFM=1
BF1CTRL.B0BFE=1
Set CANINTF.RX0IF=1
CANINTF.RX0IF=0
No
Yes
and
Are
RECEIVE FLOW FLOWCHART
?
Is
?
Determines if the receive
register is empty and able
to accept a new message
No
Yes
No
Yes
Generate Overflow Error:
Set EFLG.RX0OVR
RXB0CTRL.BUKT=1
Generate
Set RXBF0
Frame
Error
Pin = 0
RXB0
Is
?
No
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)
Yes
Preliminary
No
Begin Loading Message into
No
CANINTE.ERRIE=1
Interrupt on INT
Interrupt on INT
Yes
Yes
Generate
Generate
a filter criteria
Message
Received
for RXB0
Message
Is
?
Start of
Meets
Detect
Valid
Start
?
?
?
Generate Overflow Error:
Yes
Yes
Set EFLG.RX1OVR
No
Go to Start
No
RXB1
Set RXBF1
Pin = 0
a filter criteria
Go to Start
for RXB1
Meets
Yes
Yes
according to which filter criteria
?
No
Set RXB0CTRL.FILHIT <2:0>
No
Move message into RXB1
Set CANINTF.RX1IF=1
CANINTE.RX1IE=1?
CANINTF.RX1IF = 0
BFPCTRL.B1BFM=1
BF1CTRL.B1BFE=1
2003 Microchip Technology Inc.
Yes
was met
Yes
and
Are
Is
?
?
No
No