HD64F3039F18 Datasheet, PDF (641/710 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8 Family / H8/300H Series

TIER3—Timer Interrupt Enable Register 3
Bit
7
6
5
4
—
—
—
—
Initial value
1
1
1
1
Read/Write
—
—
—
—
Note: Bit functions are the same as for ITU0.
Appendix B Internal I/O Register Field
H'84
ITU3
3
2
1
0
—
OVIE IMIEB IMIEA
1
0
0
0
—
R/W
R/W
R/W
TSR3—Timer Status Register 3
H'85
ITU3
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.
TCNT3 H/L—Timer Counter 3 H/L
H'86, H'87
ITU3
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
Complementary PWM mode: up/down counter
Other modes: up-counter
Rev.3.00 Mar. 26, 2007 Page 617 of 682
REJ09B0353-0300