h8s-2628 Renesas Electronics Corporation., h8s-2628 Datasheet - Page 417

• Manufacturer Part Number: h8s-2628
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

15.3.3
BCR is a 16-bit register that is used to set HCAN bit timing parameters and the baud rate
prescaler. For details on parameters, refer to section 15.4.2, Initialization after Hardware Reset.
Bit
15
14
13
12
11
10
9
8
7
6
5
4
Bit Name
BCR7
BCR6
BCR5
BCR4
BCR3
BCR2
BCR1
BCR0
BCR15
BCR14
BCR13
BCR12
Bit Configuration Register (BCR)
Initial Value
0
0
0
0
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Description
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
Baud Rate Prescaler (BRP)
Set the length of time quanta.
000000: 2
000001: 4
000010: 6
111111: 128
Bit Sample Point (BSP)
Sets the point at which data is sampled.
0: Bit sampling at one point (end of time segment 1
1: Bit sampling at three points (end of TSEG1 and
Time Segment 2 (TSEG2)
Set the TSEG2 width within a range of 2 to 8 time
quanta.
000: Setting prohibited
001: 2 time quanta
010: 3 time quanta
011: 4 time quanta
100: 5 time quanta
101: 6 time quanta
110: 7 time quanta
111: 8 time quanta
(TSEG1))
preceding and following time quanta)
Section 15 Controller Area Network (HCAN)
Rev. 3.00 Oct 04, 2005 page 377 of 598
:
system clock
system clock
system clock
system clock
REJ09B0155-0300