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
24
4.3. Register for the Free-run Timer Selector
Register for the free-run timer selector are explained.
The free-run timer selector has the free-run timer selection register.
4.3.1.
Free-run Timer Selection Register : FRS
The free-run timer selection register (FRS) is used to set any of 3 channels in the free-run timers for the input
capture, output compare, A/D activation compare respectively.
FRS0: Address 1234
H
(Access: Byte, Half-word, Word)
bit31
bit30
bit29
bit28
bit27
bit26
bit25
bit24
Reserved
Initial value
0
0
0
0
0
0
0
0
Attribute
R0,W0
R0,W0
R0,W0
R0,W0
R0,W0
R0,W0
R0,W0
R0,W0
bit23
bit22
bit21
bit20
bit19
bit18
bit17
bit16
Reserved
OS51
OS50
Reserved
OS41
OS40
Initial value
0
0
0
0
0
0
0
0
Attribute
R0,W0
R0,W0
R/W
R/W
R0,W0
R0,W0
R/W
R/W
bit15
bit14
bit13
bit12
bit11
bit10
bit9
bit8
Reserved
OS31
OS30
Reserved
OS21
OS20
Initial value
0
0
0
0
0
0
0
0
Attribute
R0,W0
R0,W0
R/W
R/W
R0,W0
R0,W0
R/W
R/W
bit7
bit6
bit5
bit4
bit3
bit2
bit1
bit0
Reserved
OS11
OS10
Reserved
OS01
OS00
Initial value
0
0
0
0
0
0
0
0
Attribute
R0,W0
R0,W0
R/W
R/W
R0,W0
R0,W0
R/W
R/W
MB91520 Series
MN705-00010-1v0-E
931