HD6433044 Hitachi Semiconductor, HD6433044 Datasheet - Page 784

• Manufacturer Part Number: HD6433044
• Description: (HD64 Series) Hitachi Single-Chip Microcomputer
• Manufacturer: Hitachi Semiconductor

TIOR2—Timer I/O Control Register 2
TIER2—Timer Interrupt Enable Register 2
TSR2—Timer Status Register 2
Bit
Initial value
Read/Write
Note: Only 0 can be written, to clear the flag.
Bit
Initial value
Read/Write
Note: Bit functions are the same as for ITU0.
Bit
Initial value
Read/Write
Note: Bit functions are the same as for ITU0.
*
Bit functions are the same as for ITU0.
—
—
7
1
—
—
—
—
7
1
7
1
—
—
6
1
IOB2
R/W
—
—
6
0
Overflow flag
6
1
0
1
—
—
5
1
IOB1
R/W
[Clearing condition]
Read OVF when OVF = 1, then write 0 in OVF.
[Setting condition]
The TCNT value overflows (from H'FFFF to H'0000)
or underflows (from H'0000 to H'FFFF)
—
—
5
0
5
1
—
—
4
1
777
IOB0
R/W
—
—
4
0
4
1
—
—
3
1
—
—
—
—
3
1
3
1
R/(W)
OVF
2
0
The function is the same as ITU0.
H'79
H'7A
H'7B
IOA2
OVIE
*
R/W
R/W
2
0
2
0
R/(W)
IMFB
1
0
IMIEB
*
IOA1
R/W
R/W
1
0
1
0
R/(W)
IMFA
0
0
*
IMIEA
IOA0
R/W
R/W
0
0
0
0
ITU2
ITU2
ITU2