MCP2515-E/PRB2 Microchip Technology, MCP2515-E/PRB2 Datasheet - Page 42

• Manufacturer Part Number: MCP2515-E/PRB2
• Description: CAN controller with SPI interface, 125 deg C, -40C to +125C, 18-PDIP, TUBE
• Manufacturer: Microchip Technology

MCP2515
REGISTER 5-1:
REGISTER 5-2:
DS21801E-page 42
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-6
bit 5-0
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7
bit 6
bit 5-3
bit 2-0
BTLMODE
R/W-0
R/W-0
SJW1
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
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
Q
R/W-0
= 2 x (BRP + 1)/F
R/W-0
SJW0
SAM
CNF1 – CONFIGURATION 1 (ADDRESS: 2Ah)
CNF2 – CONFIGURATION 1 (ADDRESS: 29h)
W = Writable bit
‘1’ = Bit is set
W = Writable bit
‘1’ = Bit is set
PHSEG12
Q
R/W-0
R/W-0
BRP5
Q
Q
Q
Q
Q
OSC
PHSEG11
R/W-0
R/W-0
BRP4
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
PHSEG10
R/W-0
R/W-0
BRP3
Q
)
PRSEG2
R/W-0
R/W-0
BRP2
© 2007 Microchip Technology Inc.
x = Bit is unknown
x = Bit is unknown
PRSEG1
R/W-0
R/W-0
BRP1
PRSEG0
R/W-0
R/W-0
BRP0
bit 0
bit 0