MCP2515-I/SO Microchip Technology, MCP2515-I/SO Datasheet - Page 21

• 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

REGISTER 3-7:
REGISTER 3-8:
2003 Microchip Technology Inc.
bit 7
bit 6
bit 5-4
bit 3-0
bit 7-0
TXBnDLC - TRANSMIT BUFFER n DATA LENGTH CODE
(ADDRESS: 35h, 45h, 55h)
TXBnDm - TRANSMIT BUFFER n DATA BYTE m
(ADDRESS: 36h - 3Dh, 46h - 4Dh, 56h - 5Dh)
bit 7
bit 7
Unimplemented: Reads as '0’
RTR: Remote Transmission Request Bit
1 = Transmitted Message will be a Remote Transmit Request
0 = Transmitted Message will be a Data Frame
Unimplemented: Reads as '0’
DLC<3:0>: Data Length Code
Sets the number of data bytes to be transmitted (0 to 8 bytes)
Note:
TXBnD
Legend:
R = Readable bit
-n = Value at POR
Legend:
R = Readable bit
-n = Value at POR
TXBnDm
R/W-x
R/W-x
—
7
M
It is possible to set the DLC to a value greater than 8, however only 8 bytes are trans-
mitted
7:TXBnD
TXBnDm
R/W-x
R/W-x
RTR
6
M
0: Transmit Buffer n Data Field Byte m
TXBnDm
R/W-x
R/W-x
Preliminary
—
W = Writable bit
’1’ = Bit is set
5
W = Writable bit
’1’ = Bit is set
TXBnDm
R/W-x
R/W-x
—
4
TXBnDm
R/W-x
R/W-x
DLC3
U = Unimplemented bit, read as ‘0’
’0’ = Bit is cleared
U = Unimplemented bit, read as ‘0’
’0’ = Bit is cleared
3
TXBnDm
R/W-x
R/W-x
DLC2
2
MCP2515
x = Bit is unknown
TXBnDm
x = Bit is unknown
R/W-x
R/W-x
DLC1
1
DS21801B-page 21
TXBnDm
R/W-x
R/W-x
DLC0
0
bit 0
bit 0