MEGA128CAN Datasheet, PDF (261/413 Pages) ATMEL Corporation – Microcontroller WITH 128K BYTES OF ISP FLASH AND CAN CONTROLLER

AT90CAN128
Table 96. Examples of CAN Baud Rate Settings for Commonly Frequencies (Continued)
fclk_io
(MHz)
CAN
Baud
Rate
(Kbps)
Description
Sampling
TQ
Point
(µs)
Tbit
(TQ)
Tprs
(TQ)
Segments
Tph1
(TQ)
Tph2
(TQ)
Tsjw
(TQ)
Registers
CANBT1 CANBT2 CANBT3
x
- - - no data- - -
1000
75 %
0.125
8
3
2
2
1
0x00
0x04
0x13
0.125
16
7
4
4
1
0x00
0x0C
0x37
500
75 %
0.250
8
3
2
2
1
0x02
0x04
0x13
0.250
16
7
4
250
75 %
0.500
8
3
2
8.000
0.250
20
8
6
200
75 %
0.625
8
3
2
4
1
0x02
0x0C
0x37
2
1
0x06
0x04
0x13
5
1
0x02
0x0E
0x4B
2
1
0x08
0x04
0x13
0.500
16
7
4
4
1
0x06
0x0C
0x37
125
75 %
1.000
8
3
2
2
1
0x0E
0x04
0x13
0.625
16
7
4
4
1
0x08
0x0C
0x37
100
75 %
1.350
8
3
2
2
1
0x12
0x04
0x13
1000
- - - not applicable- - -
0.166666 12
5
3
500
75 %
x
3
1
0x00
- - - no data- - -
0x08
0x25
0.333333 12
5
3
3
1
0x02
0x08
0x25
250
75 %
0.500
8
3
2
2
1
0x04
0x04
0x13
6.000
0.333333 15
7
4
3
1
0x02
0x0C
0x35
200
80 %
0.500
10
4
3
2
1
0x04
0x06
0x23
0.500
16
7
4
4
1
0x04
0x0C
0x37
125
75 %
1.000
8
3
2
2
1
0x0A
0x04
0x13
0.500
20
8
6
5
1
0x04
0x0E
0x4B
100
75 %
0.833333 12
5
3
3
1
0x08
0x08
0x25
1000
- - - not applicable- - -
x
- - - no data- - -
500
75 %
0.250
8
3
2
2
1
0x00
0x04
0x13
0.250
16
7
4
4
1
0x00
0x0C
0x37
250
75 %
0.500
8
3
2
2
1
0x02
0x04
0x13
4.000
0.250
20
8
6
5
1
0x00
0x0E
0x4B
200
75 %
x
- - - no data- - -
0.500
16
7
4
4
1
0x02
0x0C
0x37
125
75 %
1.000
8
3
2
2
1
0x06
0x04
0x13
0.500
20
8
6
5
1
0x02
0x0E
0x4B
100
75 %
1.350
8
3
2
2
1
0x08
0x04
0x13
4250E–CAN–12/04
261