MCP2515T-I/ST Microchip Technology, MCP2515T-I/ST Datasheet - Page 21

• 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

REGISTER 3-7:
REGISTER 3-8:
© 2007 Microchip Technology Inc.
M
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7
bit 6
bit 5-4
bit 3-0
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-0
TXBnDm7
R/W-x
R/W-x
—
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: Data Length Code <3:0> bits
Sets the number of data bytes to be transmitted (0 to 8 bytes)
Note:
TXBnD
TXBnDm6
R/W-x
R/W-x
RTR
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)
M
It is possible to set the DLC to a value greater than 8, however only 8 bytes are transmitted
7:TXBnD
W = Writable bit
‘1’ = Bit is set
W = Writable bit
‘1’ = Bit is set
TXBnDm5
R/W-x
R/W-x
M
—
0: Transmit Buffer n Data Field Bytes m
TXBnDm4
R/W-x
R/W-x
—
‘0’ = Bit is cleared
‘0’ = Bit is cleared
U = Unimplemented bit, read as ‘0’
U = Unimplemented bit, read as ‘0’
TXBnDm3
R/W-x
R/W-x
DLC3
TXBnDm2
R/W-x
R/W-x
DLC2
x = Bit is unknown
x = Bit is unknown
TXBnDm1
R/W-x
R/W-x
DLC1
MCP2515
DS21801E-page 21
TXBnDm0
R/W-x
R/W-x
DLC0
bit 0
bit 0