Fujitsu FR81S User Manual
CHAPTER 29: RTC/WDT1 CALIBRATION
4. Registers
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER : RTC/WDT1 CALIBRATION
FUJITSU SEMICONDUCTOR CONFIDENTIAL
13
4.5. CR Clock Timer Data Register : CUTD1 (Calibration
Unit Timer Data register 1)
The bit configuration of the CR clock timer data register is shown.
This register sets the time interval during which the CR clock driven counter operates.
CUTD1 : Address 04C6
H
(Access: Byte, Half-word, Word)
bit15
bit14
bit13
bit12
bit11
bit10
bit9
bit8
TDD[15:8]
Initial value
1
1
0
0
0
0
1
1
Attribute R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
bit7
bit6
bit5
bit4
bit3
bit2
bit1
bit0
TDD[7:0]
Initial value
0
1
0
1
0
0
0
0
Attribute R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
[bit15 to bit0] TDD[15:0] (Timer Data Data field) : Timer data
These bits configure the comparison time interval in the number of the CR clock pulses.
MB91520 Series
MN705-00010-1v0-E
1082