Tsr3-Timer Status Register 3 H'85 Itu3 - Hitachi H8/3035 Series Hardware Manual

TSR3—Timer Status Register 3 H'85
Bit 7
—
Initial value 1
Read/Write —
Note: Only 0 can be written, to clear the flag.
*
468
ITU3
6 5 4
— — —
1 1 1
— — —
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
3 2 1
— OVF IMFB
1 0 0
— R/(W) * R/(W) *
Bit functions are the
same as for ITU0
0
IMFA
0
R/(W) *