MCP2515-I/SO Microchip Technology Inc., MCP2515-I/SO Datasheet - Page 42

• Manufacturer Part Number: MCP2515-I/SO
• Description: CAN CONTROLLER WITH SPI INTERFACE
• Manufacturer: Microchip Technology Inc.
• Type: Programmable Peripheral Interfacer

Specifications of MCP2515-I/SO

• Package Type: 18-Pin SOIC
• Voltage, Supply: 2.7-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

MCP2515
REGISTER 5-1:
REGISTER 5-2:
DS21801D-page 42
bit 7
bit 6
bit 5-3
bit 2-0
bit 7-6
bit 5-0
BTLMODE
bit 7
BTLMODE: PS2 Bit Time Length bit
1 = Length of PS2 determined by PHSEG22:PHSEG20 bits of CNF3
0 = Length of PS2 is the greater of PS1 and IPT (2 T
SAM: Sample Point Configuration bit
1 = Bus line is sampled three times at the sample point
0 = Bus line is sampled once at the sample point
PHSEG1: PS1 Length bits<2:0>
(PHSEG1 + 1) x T
PRSEG: Propagation Segment Length bits <2:0>
(PRSEG + 1) x T
CNF1 – CONFIGURATION 1 (ADDRESS: 2Ah)
CNF2 – CONFIGURATION 1 (ADDRESS: 29h)
bit 7
SJW: Synchronization Jump Width Length bits <1:0>
11 = Length = 4 x T
10 = Length = 3 x T
01 = Length = 2 x T
00 = Length = 1 x T
BRP: Baud Rate Prescaler bits <5:0>
T
Legend:
R = Readable bit
-n = Value at POR
Legend:
R = Readable bit
-n = Value at POR
R/W-0
Q
R/W-0
SJW1
= 2 x (BRP + 1)/F
R/W-0
R/W-0
SAM
SJW0
Q
Q
Q
Q
Q
Q
OSC
PHSEG12 PHSEG11 PHSEG10
R/W-0
R/W-0
BRP5
Preliminary
W = Writable bit
‘1’ = Bit is set
W = Writable bit
‘1’ = Bit is set
R/W-0
R/W-0
BRP4
R/W-0
BRP3
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
R/W-0
Q
)
PRSEG2
R/W-0
BRP2
R/W-0
© 2005 Microchip Technology Inc.
x = Bit is unknown
x = Bit is unknown
PRSEG1
R/W-0
BRP1
R/W-0
PRSEG0
R/W-0
R/W-0
BRP0
bit 0
bit 0