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
13
CPCLR0, 1, 2: Address 1204
H
, 120C
H
, 1214
H
(Access: Half-word, Word)
bit15
bit14
bit13
bit12
bit11
bit10
bit9
bit8
CL15
CL14
CL13
CL12
CL11
CL10
CL09
CL08
Initial value
1
1
1
1
1
1
1
1
Attribute
R
R
R
R
R
R
R
R
bit7
bit6
bit5
bit4
bit3
bit2
bit1
bit0
CL07
CL06
CL05
CL04
CL03
CL02
CL01
CL00
Initial value
1
1
1
1
1
1
1
1
Attribute
R
R
R
R
R
R
R
R
[bit15 to bit0] CL15 to CL00: Compare clear value bits
CL15 to CL00
Function
Compare clear value
⋅
The compare clear register is used for comparison with the count value of the 16-bit free-run timer.
⋅
In the up-count mode, if this register matches the count value of the 16-bit free-run timer, the 16-bit
free-run timer will be reset to "0000
H
".
⋅
In the up/down count mode, if this register matches the count value of the 16-bit free-run timer, the 16-bit
free-run timer will be converted from up count to down count or it will be converted from down count to up
count when "0" is detected.
Notes:
When accessing this register, use a half-word or word access instruction.
Do not use a read-modify-write instruction when accessing this register.
MB91520 Series
MN705-00010-1v0-E
920