Fujitsu FR81S ユーザーズマニュアル
CHAPTER 24: 16-BIT FREE-RUN TIMER
4. Registers
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER : 16-BIT FREE-RUN TIMER
FUJITSU SEMICONDUCTOR CONFIDENTIAL
25
[bit31 to bit22] Reserved
Always write 0 to these bits.
[bit21, bit20] OS51, OS50: Output compare free-run timer selector selection bits
OS51
OS50
Function
0
0
Free-run timer 0
0
1
Free-run timer 1
1
0
Free-run timer 2
Others
Setting disabled (operation is not guaranteed)
⋅
These bits are used to configure the free-run timer assigned to the output compare.
Note:
Before configuring these bits, make sure to verify that the free-run timer is inactive.
[bit19, bit18] Reserved
Always write 0 to this bit.
[bit17, bit16] OS41, OS40: Output compare free-run timer selector selection bits
OS41
OS40
Function
0
0
Free-run timer 0
0
1
Free-run timer 1
1
0
Free-run timer 2
Others
Setting disabled (operation is not guaranteed)
⋅
These bits are used to configure the free-run timer assigned to the output compare.
Note:
Before configuring these bits, make sure to verify that the free-run timer is inactive.
[bit15, bit14] Reserved
Always write 0 to this bit.
[bit13, bit12] OS31, OS30: Output compare free-run timer selector selection bits
OS31
OS30
Function
0
0
Free-run timer 0
0
1
Free-run timer 1
1
0
Free-run timer 2
Others
Setting disabled (operation is not guaranteed)
⋅
These bits are used to configure the free-run timer assigned to the output compare.
Note:
Before configuring these bits, make sure to verify that the free-run timer is inactive.
MB91520 Series
MN705-00010-1v0-E
932