CHAPTER 11 FCAN CONTROLLER
575
User’s Manual U14492EJ3V0UD
(2/2)
Bit Position
Bit Name
Function
Specifies the clock to memory access controller (f
MEM
) (see
Figure 11-25
).
n
MCP3 MCP2 MCP1 MCP0 Selection of Clock to Memory Access Controller (f
MEM
)
0
0
0
0
0
f
MEM1
1
0
0
0
1
f
MEM1
/2
2
0
0
1
0
f
MEM1
/3
:
14
1
1
1
0
f
MEM1
/15
15
1
1
1
1
f
MEM1
/16
3 to 0
MCP3 to
MCP0
Figure 11-25. FCAN Clocks
CGTS7 CGTS6 CGTS5 CGTS4 CGTS3 CGTS2 CGTS1 CGTS0 GTCS1 GTCS0 MCP3 MCP2
Prescaler
Data bit time
CAN1 bit rate prescaler register
(C1BRP)
CAN main clock selection register (CGCS)
Global timer
clock prescaler
Baud rate generator
Global timer
system clock
CAN1 synchronization
control register
(C1SYNC)
Time stamp counter
MCP1 MCP0
BRP0
BRP1
BRP2
BRP3
BRP4
BRP5
BTYPE
f
MEM1
PRM04
f
XX
f
XX
/2
f
XX
/3
f
XX
/4
f
MEM
f
GTS1
f
BTL
f
GTS
FCAN
Selector
BRP7
Note
BRP6
Note
Note
Only when the TLM bit of the CAN1 bit rate prescaler register (C1BRP) is 1
Caution
When using a 1 Mbps transfer rate for the CPU, input f
MEM1
as a 16 MHz clock signal. If input at
another frequency, subsequent operation is not guaranteed.
Содержание V850E/IA1 mPD703116
Страница 2: ...2 User s Manual U14492EJ3V0UD MEMO...