16.13.1 Control

Table 16-9. Register Bit Attribute Legend
Symbol Description Symbol Description Symbol Description
R Readable bit HC Cleared by Hardware (Grey cell) Unimplemented
W Writable bit HS Set by Hardware X Bit is unknown at Reset
K Write to clear S Software settable bit
Name: CTRL
Offset: 0x0000
Reset: 0x00000000
Property: PAC Write-Protection

Bit 3130292827262524 
 CMD[15:8] 
Access WWWWWWWW 
Reset 00000000 
Bit 2322212019181716 
 CMD[7:0] 
Access WWWWWWWW 
Reset 00000000 
Bit 15141312111098 
          
Access  
Reset  
Bit 76543210 
        SWRST 
Access W 
Reset 0 

Bits 31:16 – CMD[15:0] Command Register

0x0 = No operation (NOOP)

0x1-0xA4FF = Reserved

0xA500 = 32-bit Cyclic Redundancy Code (CRC32)

0xA501 = Global Memory built-in self-test (MBIST)

0xA502 = Memory Set (MSET)

0xA503-0xFFFF = Reserved

Note: Invalid commands are reported into STATUSA.PERR. Partial writes of the CMD bit field are ignored and reported in STATUSA.PERR.

Bit 0 – SWRST Software Reset

Software reset has the highest priority. If this bit is set in a write all other bits are ignored.