HD6473032F Datasheet, PDF (510/572 Pages) Hitachi Semiconductor – Hitachi Microcomputer

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