SEC_CFG=B_0x0, OR_CFG=B_0x0, SPEED_CFG=B_0x0, AHB_IOP=B_0x0, LOCK_CFG=B_0x0
GPIO port E hardware configuration register 10
| AHB_IOP | Bus interface selection 0 (B_0x0): AHB 1 (B_0x1): IOP |
| AFSIZE_CFG | Number of AF available for each I/O (accepted value: 1 to 4) 1 (B_0x1): One AF/IO |
| SPEED_CFG | Number of speed lines for each I/O 0 (B_0x0): One line 1 (B_0x1): Two lines |
| LOCK_CFG | Lock mechanism activation 0 (B_0x0): Non-active 1 (B_0x1): Active |
| SEC_CFG | Security activation 0 (B_0x0): Non-active 1 (B_0x1): Active |
| OR_CFG | Option register configuration 0 (B_0x0): Non-active 1 (B_0x1): Active |