HD6433044 Hitachi Semiconductor, HD6433044 Datasheet - Page 787

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

TSR3—Timer Status Register 3
TCNT3 H/L—Timer Counter 3 H/L
GRA3 H/L—General Register A3 H/L
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
Note: Only 0 can be written, to clear the flag.
*
R/W
R/W
15
15
0
1
—
—
7
1
R/W
R/W
14
14
0
1
R/W
R/W
Output compare or input capture register (can be buffered)
13
13
0
1
Overflow flag
0 [Clearing condition]
1 [Setting condition]
—
—
6
1
R/W
R/W
12
12
0
1
Read OVF when OVF = 1, then write 1 in OVF
TCNT overflowed from H'FFFF to H'0000 or underflowed from
H'0000 to H'FFFF
Complementary PWM mode:
Other modes:
R/W
R/W
11
11
0
1
—
—
5
1
R/W
R/W
10
10
0
1
R/W
R/W
780
9
0
9
1
—
—
4
1
R/W
R/W
8
0
8
1
R/W
R/W
7
0
7
1
—
—
3
1
R/W
R/W
6
0
6
1
up/down counter
up-counter
R/W
R/W
H'85
H'86, H'87
H'88, H'89
5
0
5
1
R/(W)
OVF
2
0
R/W
R/W
4
0
4
1
*
Bit functions are the
same as for ITU0
R/W
R/W
3
0
3
1
R/(W)
IMFB
1
0
R/W
R/W
2
0
2
1
*
R/W
R/W
1
0
1
1
R/(W)
IMFA
0
0
ITU3
ITU3
ITU3
R/W
R/W
0
0
0
1
*