r5s77631ay266bgv Renesas Electronics Corporation., r5s77631ay266bgv Datasheet - Page 719
r5s77631ay266bgv
Manufacturer Part Number
r5s77631ay266bgv
Description
Renesas 32-bit Risc Microcomputer Superhtm Risc Engine Family Sh-4a Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.R5S77631AY266BGV.pdf
(2026 pages)
- Current page: 719 of 2026
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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
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