Atmel AVR AT90CAN32 User Manual

268
7679H–CAN–08/08
AT90CAN32/64/128
Note: 1. See Section 19.4.3 ”Baud Rate” on page 242.
2. See Section • ”Bit 0 – SMP: Sample Point(s)” on page 259
8.000
1000 63 %
(1)
x - - - n o d a t a - - -
0.125 8 3 2 2 1 0x00 0x04 0x12
(2)
500
69 %
(1)
0.125 16 7 4 4 1 0x00 0x0C 0x36
(2)
75 % 0.250 8 3 2 2 1 0x02 0x04 0x13
250 75 %
0.250 16 7 4 4 1 0x02 0x0C 0x37
0.500 8 3 2 2 1 0x06 0x04 0x13
200 75 %
0.250 20 8 6 5 1 0x02 0x0E 0x4B
0.625 8 3 2 2 1 0x08 0x04 0x13
125 75 %
0.500 16 7 4 4 1 0x06 0x0C 0x37
1.000 8 3 2 2 1 0x0E 0x04 0x13
100 75 %
0.625 16 7 4 4 1 0x08 0x0C 0x37
1.250 8 3 2 2 1 0x12 0x04 0x13
6.000
1000 - - - n o t a p p l i c a b l e - - -
500 67 %
(1)
0.166666 12 5 3 3 1 0x00 0x08 0x24
(2)
x - - - n o d a t a - - -
250 75 %
0.333333 12 5 3 3 1 0x02 0x08 0x25
0.500 8 3 2 2 1 0x04 0x04 0x13
200 80 %
0.333333 15 7 4 3 1 0x02 0x0C 0x35
0.500 10 4 3 2 1 0x04 0x06 0x23
125 75 %
0.500 16 7 4 4 1 0x04 0x0C 0x37
1.000 8 3 2 2 1 0x0A 0x04 0x13
100 75 %
0.500 20 8 6 5 1 0x04 0x0E 0x4B
0.833333 12 5 3 3 1 0x08 0x08 0x25
4.000
1000 - - - n o t a p p l i c a b l e - - -
500 63 %
(1)
x - - - n o d a t a - - -
0.250 8 3 2 2 1 0x00 0x04 0x12
(2)
250
69 %
(1)
0.250 16 7 4 4 1 0x00 0x0C 0x36
(2)
75 % 0.500 8 3 2 2 1 0x02 0x04 0x13
200 70 %
(1)
0.250 20 8 6 5 1 0x00 0x0E 0x4A
(2)
x - - - n o d a t a - - -
125 75 %
0.500 16 7 4 4 1 0x02 0x0C 0x37
1.000 8 3 2 2 1 0x06 0x04 0x13
100 75 %
0.500 20 8 6 5 1 0x02 0x0E 0x4B
1.250 8 3 2 2 1 0x08 0x04 0x13
Table 19-2. Examples of CAN Baud Rate Settings for Commonly Frequencies (Continued)
fclk
io
(MHz)
CAN
Baudrate
(Kbps)
Description Segments Registers
Sampling
Point
TQ
(µs)
Tbit
(TQ)
Tprs
(TQ)
Tph1
(TQ)
Tph2
(TQ)
Tsjw
(TQ) CANBT1 CANBT2 CANBT3

Atmel AVR AT90CAN32 Specifications

General

Brand	Atmel
Model	AVR AT90CAN32
Category	Microcontrollers
Language	English