Fujitsu FR81S User Manual
CHAPTER 42: CAN CLOCK PRESCALER
3. Configuration
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER
: CAN clock prescaler
FUJITSU SEMICONDUCTOR CONFIDENTIAL
5
3. Configuration
This section shows configuration of the CAN clock prescaler.
Figure 3-1 Block Diagram of CAN Clock Prescaler
CAN
PCEN
(PLL Clock Enable)
PLL
X
CPCKS
MCLK
CK
(Selection of CAN prescaler clock)
fsys
RX/TX
Clock unit
HCLK
On-chip bus clock
On-chip bus
1
0
0
1
CAN
interface
CAN
controller
1/C
(CANPRE[3:0])
CAN clock prescaler
Main clock oscillation
MB91520 Series
MN705-00010-1v0-E
1790