r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 836

• Manufacturer Part Number: r8a77850anbg
• Description: Renesas 32-bit Risc Microcomputer Superh? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

18. Timer Unit (TMU)
18.3.2
The TCOR registers are 32-bit readable/writable registers. When a TCNT counter underflows
while counting down, the TCOR value is set in that TCNT, which continues counting down from
the set value.
18.3.3
The TCNT registers are 32-bit readable/writable registers. Each TCNT counts down on the input
clock selected by the TPSC2 to TPSC0 bits in TCR.
When a TCNT counter underflows while counting down, the UNF flag is set in TCR of the
corresponding channel. At the same time, the TCOR value is set in TCNT, and the count-down
operation continues from the set value.
Rev.1.00 Jan. 10, 2008 Page 806 of 1658
REJ09B0261-0100
Initial value:
Initial value:
Initial value:
Initial value:
R/W:
R/W:
R/W:
R/W:
BIt:
BIt:
BIt:
BIt:
Timer Constant Registers (TCORn) (n = 0 to 5)
Timer Counters (TCNTn) (n = 0 to 5)
R/W
R/W
R/W
R/W
31
15
31
15
1
1
1
1
R/W
R/W
R/W
R/W
30
14
30
14
1
1
1
1
R/W
R/W
R/W
R/W
29
13
29
13
1
1
1
1
R/W
R/W
R/W
R/W
28
12
28
12
1
1
1
1
R/W
R/W
R/W
R/W
27
11
27
11
1
1
1
1
R/W
R/W
R/W
R/W
26
10
26
10
1
1
1
1
R/W
R/W
R/W
R/W
25
25
1
9
1
1
9
1
R/W
R/W
R/W
R/W
24
24
1
8
1
1
8
1
R/W
R/W
R/W
R/W
23
23
1
7
1
1
7
1
R/W
R/W
R/W
R/W
22
22
1
6
1
1
6
1
R/W
R/W
R/W
R/W
21
21
1
5
1
1
5
1
R/W
R/W
R/W
R/W
20
20
1
4
1
1
4
1
R/W
R/W
R/W
R/W
19
19
1
3
1
1
3
1
R/W
R/W
R/W
R/W
18
18
1
2
1
1
2
1
R/W
R/W
R/W
R/W
17
17
1
1
1
1
1
1
R/W
R/W
R/W
R/W
16
16
1
0
1
1
0
1