Hitachi F-ZTAT H8/3039 Series Hardware Manual page 621

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