r5s77631ay266bgv Renesas Electronics Corporation., r5s77631ay266bgv Datasheet - Page 719

• Manufacturer Part Number: r5s77631ay266bgv
• Description: Renesas 32-bit Risc Microcomputer Superhtm Risc Engine Family Sh-4a Series
• Manufacturer: Renesas Electronics Corporation.

17.3.4
WDTCNT is a 32-bit read-only register that comprises 12-bit watchdog timer counter and counts
up on the WDTBCNT overflow signal. When WDTCNT overflows, a reset is generated in
watchdog timer mode, or an interrupt is generated in interval timer mode. Writing to WDTCNT is
invalid.
17.3.5
WDTBCNT is a 32-bit read-only register that comprises 18-bit counter and counts up on the
peripheral clock (Pck0). When WDTBCNT overflows, WDTCNT is counted up and WDTBCNT
is cleared to 0 Writing to WDTCNT is invalid.
Initial value:
Initial value:
Initial value:
Initial value:
R/W:
R/W:
R/W:
R/W:
Bit:
Bit:
Bit:
Bit:
Watchdog Timer Counter (WDTCNT)
Watchdog Timer Base Counter (WDTBCNT)
31
15
31
15



R
R
R
R
0
0
0
0
30
14
30
14



R
R
R
R
0
0
0
0
29
13
29
13



R
R
R
R
0
0
0
0
28
12
28
12



R
R
R
R
0
0
0
0
27
11
27
11


R
R
R
R
0
0
0
0
26
10
26
10


R
R
R
R
0
0
0
0
25

25

R
R
R
R
0
9
0
0
9
0
WDTBCNT
24

24

R
R
R
R
0
8
0
0
8
0
23
23


R
R
R
R
0
7
0
0
7
0
Section 17 Watchdog Timer and Reset (WDT)
Rev. 1.00 Oct. 01, 2007 Page 653 of 1956
22
22

WDTCNT

R
R
R
R
0
6
0
0
6
0
21
21


R
R
R
R
0
5
0
0
5
0
20
20


R
R
R
R
0
4
0
0
4
0
19
19


R
R
R
R
0
3
0
0
3
0
REJ09B0256-0100
18
18

R
R
R
R
0
2
0
0
2
0
WDTBCNT
17

17
R
R
R
R
0
1
0
0
1
0
16

16
R
R
R
R
0
0
0
0
0
0