Datasheet

Section 15 Controller Area Network for Tiny (TinyCAN)
Rev. 4.00 Mar. 15, 2006 Page 304 of 556
REJ09B0026-0400
15.3.5 Bit Configuration Registers 0, 1 (BCR0, BCR1)
BCR configures the CAN bit timing parameters and baud rate prescaler for the CDLC.
• BCR0
Bit Bit Name
Initial
Value R/W Description
7
6
SJW1
SJW0
0
0
R/W
R/W
Re-Synchronization Jump Width
These bits set the maximum value of synchronization
width.
00: 1 time quantum
01: 2 time quanta
10: 3 time quanta
11: 4 time quanta
5
4
3
2
1
0
BRP5
BRP4
BRP3
BRP2
BRP1
BRP0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
Baud Rate Prescaler
These bits set the clock used for time quanta.
000000: Setting prohibited
000001: 2 system clocks
: : (BRP + 1) system clocks
111111: 64 system clocks
• BCR1
Bit Bit Name
Initial
Value R/W Description
7  0  Reserved
This bit is always read as 0. The write value should
always be 0.