Fujitsu FR81S Manual Do Utilizador
CHAPTER 51: TIMING PROTECTION UNIT
4. Registers
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER : TIMING PROTECTION UNIT
FUJITSU SEMICONDUCTOR CONFIDENTIAL
16
4.9. TPU Timer Control Register 00 to 07 : TPUTCN00 to 07
The bit configuration of TPU timer control register 00 to 07 is shown below.
TPUTCN00 to TPUTCN07 : Address 0930
H
to 094C
H
(Access : Byte, Half-word,
Word)
bit31
bit30
bit29
bit28
bit27
bit26
bit25
bit24
START
STOP
CONT
IES
IEC
IRC
Reserved
Initial value
0
0
0
0
0
0
0
0
Attribute
R0,W
R0,W
R0,W
R0,W
R0,W
R0,W
R0,W0
R0,W0
bit23
bit22
bit21
bit20
bit19
bit18
bit17
bit16
ECPL[23:16]
Initial value
0
0
0
0
0
0
0
0
Attribute
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
bit15
bit14
bit13
bit12
bit11
bit10
bit9
bit8
ECPL[15:8]
Initial value
0
0
0
0
0
0
0
0
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
ECPL[7:0]
Initial value
0
0
0
0
0
0
0
0
Attribute
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
It is a control register of each timer.
[bit31] START (Start) : Timer operation start
This bit is used to instruct to start the timer operation. The timer operation is started to write 1 to this bit.
The readout value is always 0.
When operation is started by this bit at a normal mode, the timer starts counting from 0.
When operation is started by this bit at the overflow mode, the timer starts counting from 0 or
ECPL[23:0](TPUTCN1n.PL=1).
Writing 0 to the bit cause no influence in operation.
[bit30] STOP (Stop) : Timer operation stop
This bit is used to instruct timer to stop. The timer operation is stopped to write 1 to this bit.
The readout value is always 0. Writing 0 to the bit cause no influence in operation.
MB91520 Series
MN705-00010-1v0-E
2183