MCP2515-I/SO Microchip Technology, MCP2515-I/SO Datasheet - Page 5

• 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

1.4
The MCP2515 has three transmit and two receive
buffers, two acceptance masks (one for each receive
buffer) and a total of six acceptance filters.
shows a block diagram of these buffers and their
connection to the protocol engine.
FIGURE 1-3:
© 2010 Microchip Technology Inc.
Message
Control
Queue
BUFFERS
PROTOCOL
ENGINE
TXB0
Transmit/Receive Buffers/Masks/
Filters
CAN BUFFERS AND PROTOCOL ENGINE BLOCK DIAGRAM
Transmit
Transmit Byte Sequencer
Logic
TX
TXB1
{Transmit<5:0>, Receive<8:0>}
Shift<14:0>
Transmit<7:0>
Figure 1-3
TXB2
Comparator
CRC<14:0>
A
c
c
e
p
t
R
X
B
0
Receive<7:0>
Acceptance Mask
Acceptance Filter
Acceptance Filter
Data Field
Identifier
RXM0
RXF0
RXF1
Timing
Logic
Bit
RX
M
A
B
Acceptance Mask
MCP2515
Acceptance Filter
Acceptance Filter
Acceptance Filter
Acceptance Filter
Identifier
Data Field
Transmit
Machine
Protocol
Receive
Counter
Counter
Configuration
RXM1
RXF2
RXF3
RXF4
RXF5
Finite
State
Error
Error
Generator
Registers
DS21801F-page 5
Clock
SOF
BusOff
ErrPas
REC
TEC
R
X
B
1
A
c
c
e
p
t