EN=B_0x0, HITMRST=B_0x0, MISSMEN=B_0x0, MISSMRST=B_0x0, HITMEN=B_0x0, WAYSEL=B_0x0, CACHEINV=B_0x0
ICACHE control register
| EN | enable 0 (B_0x0): cache disabled 1 (B_0x1): cache enabled  |  
| CACHEINV | cache invalidation 0 (B_0x0): no effect 1 (B_0x1): invalidate entire cache (all cache lines valid bit = 0)  |  
| WAYSEL | cache associativity mode selection 0 (B_0x0): direct mapped cache (1-way cache) 1 (B_0x1): n-way set associative cache (reset value)  |  
| HITMEN | hit monitor enable 0 (B_0x0): cache hit monitor switched off. Stopping the monitor does not reset it. 1 (B_0x1): cache hit monitor enabled  |  
| MISSMEN | miss monitor enable 0 (B_0x0): cache miss monitor switched off. Stopping the monitor does not reset it. 1 (B_0x1): cache miss monitor enabled  |  
| HITMRST | hit monitor reset 0 (B_0x0): no effect 1 (B_0x1): reset cache hit monitor  |  
| MISSMRST | miss monitor reset 0 (B_0x0): no effect 1 (B_0x1): reset cache miss monitor  |