upd70f3402 Renesas Electronics Corporation., upd70f3402 Datasheet - Page 608

• Manufacturer Part Number: upd70f3402
• Description: 32-/16-bit Single-chip Microcontroller With Can Interface
• Manufacturer: Renesas Electronics Corporation.

(13) CAN module bit rate register (CnBTR)
608
CnBTR
TSEG22 TSEG21 TSEG20
SJW1
The CnBTR register is used to control the data bit time of the communication baud rate.
0
0
1
1
0
0
0
0
1
1
1
1
SJW0
Figure 16-36: CAN Module Bit Rate Register (CnBTR) Format (1/2)
15
0
7
0
0
1
0
1
0
0
1
1
0
0
1
1
Sync segment
14
0
6
0
0
1
0
1
0
1
0
1
SJW1
13
5
0
Prop segment
Chapter 16 FCAN Controller
User’s Manual U16702EE3V2UD00
Time segment 1 (TSEG1)
SJW0
12
4
0
Data bit time (DBT)
Length of synchronization jump width
Data Bit Time
TSEG13 TSEG12 TSEG11 TSEG10
11
0
3
Phase segment 1
4TQ (default value)
TSEG22 TSEG21 TSEG20
Length of time segment 2
10
8TQ (default value)
2
1TQ
2TQ
3TQ
Sample point (SPT)
1TQ
2TQ
3TQ
4TQ
5TQ
6TQ
7TQ
9
1
Phase segment 2
Time segment 2
(TSEG2)
8
0
see Table
Address R/W After reset
16-16
R/W
370FH