MCP2515T-I/ST Microchip Technology, MCP2515T-I/ST Datasheet - Page 67

• Manufacturer Part Number: MCP2515T-I/ST
• Description: IC CAN CONTROLLER W/SPI 20TSSOP
• Manufacturer: Microchip Technology

Specifications of MCP2515T-I/ST

• 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
• Package / Case: 20-TSSOP
• Ic Interface Type: SPI
• Supply Voltage Range: 2.7V To 5.5V
• Digital Ic Case Style: TSSOP
• No. Of Pins: 20
• Operating Temperature Range: -40°C To +85°C
• Peak Reflow Compatible (260 C): Yes
• Interface Type: SPI
• Supply Voltage Min: 2.7V
• Rohs Compliant: Yes
• 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, Lead free / RoHS Compliant

FIGURE 12-8:
FIGURE 12-9:
© 2010 Microchip Technology Inc.
CANINTF.RXnIF bits are mapped to
bits 7 and 6.
* Buffer 0 has higher priority, therefore, RXB0 status is
0
0
1
1
7
reflected in bits 4:0.
SCK
SCK
CS
SO
CS
SO
SI
SI
6
0 No RX message
1 Message in RXB0
0 Message in RXB1
1 Messages in both buffers*
0
1
1
Received Message
0
high-impedance
high-impedance
0
1
1
0
1
2
1
2
instruction
instruction
READ STATUS INSTRUCTION
RX STATUS INSTRUCTION
1
3
0
3
4
0
4
0
5
0
0
5
0
6
6
0
The extended ID bit is mapped to
bit 4. The RTR bit is mapped to
bit 3.
0
0
7
7
0 0 Standard data frame
0 1 Standard remote frame
1 0 Extended data frame
1 1 Extended remote frame
4
7
7
8
8
3
6
6
9
9
Msg Type Received
5
5
10 11 12 13 14 15 16 17 18 19 20 21 22
10 11 12 13 14 15 16 17 18 19 20 21 22
data out
data out
4
4
3
3
2
2
1
1
don’t care
don’t care
0
0
7
7
0 0 0 RXF0
0 0 1 RXF1
0 1 0 RXF2
0 1 1 RXF3
1 0 0 RXF4
1 0 1 RXF5
1 1 0 RXF0 (rollover to RXB1)
1 1 1 RXF1 (rollover to RXB1)
2
CANINTF.RX0IF
CANINTFL.RX1IF
TXB0CNTRL.TXREQ
CANINTF.TX0IF
TXB1CNTRL.TXREQ
CANINTF.TX1IF
TXB2CNTRL.TXREQ
CANINTF.TX2IF
6
6
1 0
5
5
4
data out
4
data out
repeat
repeat
3
MCP2515
3
Filter Match
2
2
DS21801F-page 67
1
1
0
0
23
23