NEC UPD703116 User Manual page 592

(b) When TLM = 1
Bit position Bit name
15 TLM
8 BTYPE
7 to 0 BRP7 to
BRP0
592
CHAPTER 11 FCAN CONTROLLER
Specifies transfer layer mode.
1: 8-bit prescaler mode
Specifies CAN bus type.
0: Low speed (≤ 125 kbps)
1: High speed (> 125 kbps)
Specifies CAN protocol layer base system clock (f
n BRP7 BRP6 BRP5 BRP4 BRP3 BRP2 BRP1 BRP0
0 0 0 0
1 0 0 0
2 0 0 0
3 0 0 0
252 1 1 1
253 1 1 1
254 1 1 1
255 1 1 1
Remark f = f /(n + 1): CAN protocol layer base system clock
BTL MEM
n = 0 to 255 (set by bits BRP7 to BRP0)
f = CAN base clock
MEM
User's Manual U14492EJ5V0UD
Function
) for CAN module.
BTL
0 0 0 0 0
0 0 0 0 1
0 0 0 1 0
0 0 0 1 1
•
•
•
1 1 1 0 0
1 1 1 0 1
1 1 1 1 0
1 1 1 1 1
(2/2)
CAN protocol layer
base system clock
(f )
BTL
Setting prohibited
f /2
MEM
f /3
MEM
f /4
MEM
f /(n + 1)
MEM
f /253
MEM
f /254
MEM
f /255
MEM
f /256
MEM