Registers In IWDG 0x40003000

Register	Offset	STM32L100	STM32L151	STM32L162
KR	0x0000	✔	✔	✔
PR	0x0004	✔	✔	✔
RLR	0x0008	✔	✔	✔
SR	0x000C	✔	✔	✔