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
33
[bit25, bit24] AS461, AS460: A/D activation compare free-run timer selector selection bits
AS61/AS141/
AS221/AS301/
AS381/AS461
AS60/AS140/
AS220/AS300/
AS380/AS460
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 A/D activation compare.
Note:
Before configuring these bits, make sure to verify that the free-run timer is inactive.
[bit23, bit22] Reserved
Always write 0 to this bit.
[bit21, bit20] AS451, AS450: A/D activation compare free-run timer selector selection bits
AS51/AS131/
AS211/AS291/
AS371/AS451
AS50/AS130/
AS210/AS290/
AS370/AS450
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 A/D activation 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] AS441, AS440: A/D activation compare free-run timer selector selection bits
AS41/AS121/
AS201/AS281/
AS361/AS441
AS40/AS120/
AS200/AS280/
AS360/AS440
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 A/D activation compare.
Note:
Before configuring these bits, make sure to verify that the free-run timer is inactive.
MB91520 Series
MN705-00010-1v0-E
940