23.9.13 System Key Register

Name: SYSKEY
Offset: 0xD0
Reset: 0x00000000

Bit 3130292827262524 
 SYSKEY[31:24] 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset 00000000 
Bit 2322212019181716 
 SYSKEY[23:16] 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset 00000000 
Bit 15141312111098 
 SYSKEY[15:8] 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset 00000000 
Bit 76543210 
 SYSKEY[7:0] 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset 00000000 

Bits 31:0 – SYSKEY[31:0] System Key

Keys are written to this register as part of a sequence to unlock system-critical registers. A successful key write to this register will set the system signal.