Fields In GPIOB_AFRL (0x40020400, 0x0020)

Field	Offset	Width	STM32L0x3	STM32L162	STM32L4x6
AFRL0	0	4	✘	✔	✘
AFRL1	4	4	✘	✔	✘
AFRL2	8	4	✘	✔	✘
AFRL3	12	4	✘	✔	✘
AFRL4	16	4	✘	✔	✘
AFRL5	20	4	✘	✔	✘
AFRL6	24	4	✘	✔	✘
AFRL7	28	4	✘	✔	✘