HD643303x Hitachi, HD643303x Datasheet - Page 510

• Manufacturer Part Number: HD643303x
• Description: Hitachi Microcomputer
• Manufacturer: Hitachi

TIER2—Timer Interrupt Enable Register 2
TSR2—Timer Status Register 2
TCNT2 H/L—Timer Counter 2 H/L
Bit
Initial value
Read/Write
Note: Bit functions are the same as for ITU0.
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
Note: Only 0 can be written, to clear the flag.
*
R/W
15
0
—
—
—
—
7
1
7
1
R/W
14
0
R/W
13
0
Overflow flag
0 [Clearing condition]
1 [Setting condition]
—
—
—
—
6
1
6
1
R/W
12
Read OVF when OVF = 1, then write 0 in OVF
TCNT overflowed from H'FFFF to H'0000 or underflowed from
H'0000 to H'FFFF
0
R/W
Phase counting mode:
Other modes:
11
0
—
—
—
—
5
1
5
1
R/W
10
0
R/W
495
9
0
—
—
—
—
4
1
4
1
R/W
8
0
R/W
7
0
—
—
—
—
up/down counter
up-counter
3
1
3
1
R/W
6
0
R/W
H'7A
H'7B
H'7C, H'7D
R/(W)
5
0
OVIE
R/W
OVF
2
0
2
0
R/W
4
0
*
Bit functions are the
same as for ITU0.
R/W
R/(W)
IMIEB
3
0
IMFB
R/W
1
0
1
0
R/W
2
0
*
R/W
R/(W)
IMIEA
1
0
IMFA
R/W
0
0
0
0
ITU2
ITU2
ITU2
R/W
0
0
*