
PIC18F6585/8585/6680/8680
DS30491C-page 316
2004 Microchip Technology Inc.
REGISTER 23-53: BRGCON2: BAUD RATE CONTROL REGISTER 2
R/W-0
SEG2PHTS
SAM
SEG1PH2 SEG1PH1 SEG1PH0 PRSEG2
PRSEG1
PRSEG0
bit 7
bit 0
bit 7
SEG2PHTS: Phase Segment 2 Time Select bit
1
= Freely programmable
0
= Maximum of PHEG1 or Information Processing Time (IPT), whichever is greater
bit 6
SAM: Sample of the CAN bus Line bit
1
= Bus line is sampled three times prior to the sample point
0
= Bus line is sampled once at the sample point
bit 5-3
SEG1PH2:SEG1PH0: Phase Segment 1 bits
111
= Phase Segment 1 time = 8 x TQ
110
= Phase Segment 1 time = 7 x TQ
101
= Phase Segment 1 time = 6 x TQ
100
= Phase Segment 1 time = 5 x TQ
011
= Phase Segment 1 time = 4 x TQ
010
= Phase Segment 1 time = 3 x TQ
001
= Phase Segment 1 time = 2 x TQ
000
= Phase Segment 1 time = 1 x TQ
bit 2-0
PRSEG2:PRSEG0: Propagation Time Select bits
111
= Propagation time = 8 x TQ
110
= Propagation time = 7 x TQ
101
= Propagation time = 6 x TQ
100
= Propagation time = 5 x TQ
011
= Propagation time = 4 x TQ
010
= Propagation time = 3 x TQ
001
= Propagation time = 2 x TQ
000
= Propagation time = 1 x TQ
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
- n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown