UPD78F0838 Renesas Electronics Corporation., UPD78F0838 Datasheet - Page 636

• Manufacturer Part Number: UPD78F0838
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

15.15.2 Representative examples of baud rate settings
634
(Unit: kbps)
Rate Value
Set Baud
Caution The values in Table 15-23 do not guarantee the operation of the network system. Thoroughly
Tables 16-23 and 16-24 show representative examples of baud rate setting.
1000
1000
1000
500
500
500
500
500
500
500
500
500
500
250
250
250
250
250
250
250
250
250
125
125
125
125
125
125
125
125
125
check the effect on the network system, taking into consideration oscillation errors and delays
of the CAN bus and CAN transceiver.
Division
Ratio of
C0BRP
Table 15-23. Representative Examples of Baud Rate Settings (f
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
4
4
4
4
4
4
4
4
4
8
8
Set Value
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000001
00000001
00000001
00000001
00000001
00000001
00000001
00000001
00000001
00000001
00000011
00000011
00000011
00000011
00000011
00000011
00000011
00000011
00000011
00000111
00000111
Register
C0BRP
Length
of DBT
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
8
8
8
8
8
8
8
8
8
8
Preliminary User’s Manual U19748EJ1V0UD
CHAPTER 15 CAN CONTROLLER
Valid Bit Rate Setting (Unit: kbps)
SEGMENT
SYNC
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
SEGMENT
PROP
11
13
11
13
11
13
1
3
5
1
3
5
7
9
1
3
5
1
3
5
7
9
3
5
1
3
5
7
9
3
5
SEGMENT
PHASE
1
3
2
1
7
6
5
4
3
2
1
3
2
1
7
6
5
4
3
2
1
2
1
7
6
5
4
3
2
1
2
1
SEGMENT
PHASE
2
3
2
1
7
6
5
4
3
2
1
3
2
1
7
6
5
4
3
2
1
2
1
7
6
5
4
3
2
1
2
1
CANMOD
TSEG1
C0BTR Register
0011
0100
0101
0111
1000
1001
1010
1011
1100
1101
0011
0100
0101
0111
1000
1001
1010
1011
1100
1101
0100
0101
0111
1000
1001
1010
1011
1100
1101
0100
0101
[3:0]
Setting Value
= 8 MHz) (1/2)
TSEG2
[2:0]
010
001
000
110
101
100
011
010
001
000
010
001
000
110
101
100
011
010
001
000
001
000
110
101
100
011
010
001
000
001
000
Sampling
(Unit: %)
point
62.5
75.0
87.5
56.3
62.5
68.8
75.0
81.3
87.5
93.8
62.5
75.0
87.5
56.3
62.5
68.8
75.0
81.3
87.5
93.8
75.0
87.5
56.3
62.5
68.8
75.0
81.3
87.5
93.8
75.0
87.5