CHAPTER 11 FCAN CONTROLLER
603
User’s Manual U14492EJ3V0UD
Figure 11-29. CAN Global Status Register (CGST) Settings
START
No
Use time stamp
function?
Yes
set TSM = 1
clear TSM = 0
Start FCAN operation
set GOM = 1
clear GOM = 0
Figure 11-30. CAN1 Bit Rate Prescaler Register (C1BRP) Settings
START
No
Transfer speed is
125 kbps or less
Yes
BTYPE = 0
(low speed)
f
BTL
setting
When TLM = 0
BRP5 to BRP0
When TLM = 1
BRP7 to BRP0
When TLM = 0
When TLM = 1
f
BTL
= f
MEM
/{(n + 1)
×
2}
n = 0 to 63 (set using bits BRP5 to BRP0)
f
BTL
= f
MEM
/(n + 1)
n = 0 to 255 (set using bits BRP7 to BRP0)
f
BTL
BTYPE = 1
(high speed)
Remark
f
BTL
= CAN protocol layer base system clock
f
MEM
= CAN module clock
Содержание V850E/IA1 mPD703116
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