MPCBB control register
| LCKSB0 | LCKSB0 |
| LCKSB1 | LCKSB1 |
| LCKSB2 | LCKSB2 |
| LCKSB3 | LCKSB3 |
| LCKSB4 | LCKSB4 |
| LCKSB5 | LCKSB5 |
| LCKSB6 | LCKSB6 |
| LCKSB7 | LCKSB7 |
| LCKSB8 | LCKSB8 |
| LCKSB9 | LCKSB9 |
| LCKSB10 | LCKSB10 |
| LCKSB11 | LCKSB11 |
| LCKSB12 | LCKSB12 |
| LCKSB13 | LCKSB13 |
| LCKSB14 | LCKSB14 |
| LCKSB15 | LCKSB15 |
| LCKSB16 | LCKSB16 |
| LCKSB17 | LCKSB17 |
| LCKSB18 | LCKSB18 |
| LCKSB19 | LCKSB19 |
| LCKSB20 | LCKSB20 |
| LCKSB21 | LCKSB21 |
| LCKSB22 | LCKSB22 |
| LCKSB23 | LCKSB23 |
| LCKSB24 | LCKSB24 |
| LCKSB25 | LCKSB25 |
| LCKSB26 | LCKSB26 |
| LCKSB27 | LCKSB27 |
| LCKSB28 | LCKSB28 |
| LCKSB29 | LCKSB29 |
| LCKSB30 | LCKSB30 |
| LCKSB31 | LCKSB31 |