
595
TIER2—Timer Interrupt Enable Register 2
H'7A
ITU2
Bit
Initial value
Read/Write
7
—
1
—
6
—
1
—
5
—
1
—
4
—
1
—
3
—
1
—
0
IMIEA
0
R/W
2
OVIE
0
R/W
1
IMIEB
0
R/W
Note: Bit functions are the same as for ITU0.
TSR2—Timer Status Register 2
H'7B
ITU2
Bit
Initial value
Read/Write
7
—
1
—
6
—
1
—
5
—
1
—
4
—
1
—
3
—
1
—
0
IMFA
0
R/(W)
2
OVF
0
R/(W)
1
IMFB
0
R/(W)
Overflow flag
0
[Clearing condition]
*
*
*
Read OVF when OVF = 1, then write 0 in OVF
1
[Setting condition]
TCNT overflowed from H'FFFF to H'0000 or underflowed from
H'0000 to H'FFFF
Bit functions are the
same as for ITU0
Note: Only 0 can be written to clear the flag.
TCNT2 H/L—Timer Counter 2 H/L
H'7C, H'7D
ITU2
Bit
Initial value
Read/Write
14
0
R/W
12
0
R/W
10
0
R/W
8
0
R/W
6
0
R/W
0
0
R/W
4
0
R/W
2
0
R/W
Phase counting mode:
Other modes: up-counter
15
0
R/W
13
0
R/W
11
0
R/W
9
0
R/W
7
0
R/W
1
0
R/W
5
0
R/W
3
0
R/W
up/down-counter