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STM8S Fiches technique(PDF) 127 Page - STMicroelectronics

No de pièce STM8S
Description  STM8S Series and STM8AF Series 8-bit microcontrollers
PDF  467 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM8S Fiches technique(HTML) 127 Page - STMicroelectronics

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RM0016
Independent watchdog (IWDG)
127
14.3.3
Reload register (IWDG_RLR)
Address offset: 0x02
Reset value: 0xFF
14.3.4
IWDG register map and reset values
7
654
3210
RL[7:0]
rw
Bits 7:0 RL[7:0]: Watchdog counter reload value
These bits are write access protected (see Section 14.2). They are written by software to define the
value to be loaded in the watchdog counter each time the value 0xAA is written in the IWDG_KR
register. The watchdog counter counts down from this value. The timeout period is a function of this
value and the clock prescaler. Refer to Table 28.
Table 29. IWDG register map
Address
offset
Register
name
765
432
10
0x00
IWDG_KR
Reset value
KEY[7:0]
xxxxxxxx
0x01
IWDG_PR
Reset value
-
0
-
0
-
0
-
0
-
0
PR2[2:0]
000
0x02
IWDG_RLR
Reset value
RL7[7:0]
11111111



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