ST STM32F102 series

RM0008 Independent watchdog (IWDG)
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16.4.5 IWDG register map
The following table gives the IWDG register map and reset values.
Refer to Table 1 on page 36 for the register boundary addresses.
Table 64. IWDG register map and reset values
Offset Register
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
0x00
IWDG_KR
Reserved
KEY[15:0]
Reset value 0000000000000000
0x04
IWDG_PR
Reserved
PR[2:0]
Reset value 000
0x08
IWDG_RLR
Reserved
RL[11:0]
Reset value 111111111111
0x0C
IWDG_SR
Reserved
RVU
PVU
Reset value 00