MISC register
| AHBM_RST_INTER | Set this bit, then clear this bit to reset the internal ahb FSM. |
| AHBM_RST_EXTER | Set this bit, then clear this bit to reset the external ahb FSM. |
| ARB_PRI_DIS | Set this bit to disable priority arbitration function. |
| CLK_EN | 1’h1: Force clock on for register. 1’h0: Support clock only when application writes registers. |