Fujitsu FR81S User Manual
CHAPTER 29: RTC/WDT1 CALIBRATION
4. Registers
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER : RTC/WDT1 CALIBRATION
FUJITSU SEMICONDUCTOR CONFIDENTIAL
10
4.3. Main Oscillation Timer Result Register 0 : CUTR0
(Calibration Unit Timer Result register 0)
The bit configuration of the main oscillation timer result register 0 is shown.
This register indicates the number of the main clock pulses counted within the time interval set by CUTD0.
CUTR0 : Address 04BC
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,WX R0,WX R0,WX R0,WX R0,WX R0,WX R0,WX R0,WX
bit23
bit22
bit21
bit20
bit19
bit18
bit17
bit16
TDR[23:16]
Initial value
0
0
0
0
0
0
0
0
Attribute R,WX
R,WX
R,WX
R,WX
R,WX
R,WX
R,WX
R,WX
bit15
bit14
bit13
bit12
bit11
bit10
bit9
bit8
TDR[15:8]
Initial value
0
0
0
0
0
0
0
0
Attribute R,WX
R,WX
R,WX
R,WX
R,WX
R,WX
R,WX
R,WX
bit7
bit6
bit5
bit4
bit3
bit2
bit1
bit0
TDR[7:0]
Initial value
0
0
0
0
0
0
0
0
Attribute R,WX
R,WX
R,WX
R,WX
R,WX
R,WX
R,WX
R,WX
[bit23 to bit0] TDR[23:0] (Timer Data Register) : Timer data
These bits indicate the number of counts counted in the comparison interval. Read the results after the
comparison is completed. The read value during comparison is undefined. Writing has no effect on
operation.
MB91520 Series
MN705-00010-1v0-E
1079