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RM0352 Datasheet(PDF) 41 Page - STMicroelectronics

Part # RM0352
Description  Brain smart hub family
PDF  138 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

RM0352 Datasheet(HTML) 41 Page - STMicroelectronics

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RM0352
Watchdog timer (WDG)
137
7.2.1
Watchdog load register (WDT_LR)
The WDT_LR register is a 32-bit register containing the value from which the counter is to
decrement. When this register is written to, the count is immediately re-started from the new
value.
The minimum valid value for WDT_LR is 0x1.
Table 27. Watchdog load register WDT_LR
7.2.2
Watchdog value register WDT_VAL
The WDT_VAL register gives the current value of the decrementing watchdog counter.
Table 29. Watchdog value register WDT_VAL
WDT_LR (WDT Base + 0x000)
Reset value: 0xFFFF_FFFF
31
30
29 28 27 26 25 24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
WDT_LOAD[31:0]
R/W
Table 28. WDT_LR register bit fields
Bit Field
Function
WDT_LOAD
Minimum valid value is 0x1.
Watchdog load value
Value from which the counter is to decrement. When this register is written
to, the count is immediately re-started from the new value.
WDT_VAL (WDT Base + 0x004)
Reset value: 0xFFFF_FFFF
31
30 29 28 27 26 25 24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
WDTVAL[31:0]
R
Table 30. WDT_VAL register bit fields
Bit Field
Function
WDTVAL
Watchdog value
When read, returns the current value of the decrementing watchdog
counter. Write has no effect.



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