Fujitsu FR81S User Manual
CHAPTER 24: 16-BIT FREE-RUN TIMER
4. Registers
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER : 16-BIT FREE-RUN TIMER
FUJITSU SEMICONDUCTOR CONFIDENTIAL
26
[bit11, bit10] Reserved
Always write 0 to this bit.
[bit9, bit8] OS21, OS20: Output compare free-run timer selector selection bits
OS21
OS20
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.
[bit7, bit6] Reserved
Always write 0 to this bit.
[bit5, bit4] OS11, OS10: Output compare free-run timer selector selection bits
OS11
OS10
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.
[bit3, bit2] Reserved
Always write 0 to this bit.
[bit1, bit0] OS01, OS00: Output compare free-run timer selector selection bits
OS01
OS00
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
933