h8s-2649 Renesas Electronics Corporation., h8s-2649 Datasheet - Page 465

• Manufacturer Part Number: h8s-2649
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

14.3.3
BCR is a 16-bit register that is used to set HCAN bit timing parameters and the baud rate
prescaler. For details on parameters, see section 14.4.2, Initialization after Hardware Reset.
Bit
1
0
Bit
15
14
Bit Name
GSR1
GSR0
Bit Name
BCR7
BCR6
Bit Configuration Register (BCR)
Initial
Value
0
0
Initial
Value
0
0
R/W
R
R
R/W
R/W
R/W
Re-Synchronization Jump Width (SJW)
Set the maximum bit synchronization width.
00: 1 time quantum
01: 2 time quanta
10: 3 time quanta
11: 4 time quanta
Description
Transmit/Receive Warning Flag
This bit cannot be modified.
[Clearing condition]
•
•
[Setting condition]
•
Bus Off Flag
This bit cannot be modified.
[Setting condition]
•
[Clearing condition]
•
Description
When TEC < 96 and REC < 96
TEC ≥ 256 (bus-off state)
When TEC ≥ 96 or REC ≥ 96
When TEC ≥ 256 (bus off state)
Recovery from bus off state
Section 14 Controller Area Network (HCAN)
Rev. 2.00 Dec. 05, 2005 Page 427 of 724
REJ09B0200-0200