CSM Passwords
Each zone is secured by its own 128-bit (four 32-bit
words) user defined CSM password
Passwords for each zone is stored in its dedicated
OTP location
Location based on a zone-specific link pointer
128-bit CSMKEY registers are used to secure and
unsecure the device
Password locations for each zone can be locked and
secured by programming PSWDLOCK fields in the
OTP with any value other than “1111” (0xF)
Zx_CSMPSWD0
Zx_CSMPSWD1
Zx_CSMPSWD2
Zx_CSMPSWD3
Zone Select Bits in OTP
xxx11111111111111111111111111111 0x020
xxx11111111111111111111111111110 0x030
xxx1111111111111111111111111110x 0x040
xxx111111111111111111111111110xx 0x050
xxx11111111111111111111111110xxx 0x060
xxx1111111111111111111111110xxxx 0x070
xxx111111111111111111111110xxxxx 0x080
xxx11111111111111111111110xxxxxx 0x090
xxx1111111111111111111110xxxxxxx 0x0A0
xxx111111111111111111110xxxxxxxx 0x0B0
xxx11111111111111111110xxxxxxxxx 0x0C0
xxx1111111111111111110xxxxxxxxxx 0x0D0
xxx111111111111111110xxxxxxxxxxx 0x0E0
xxx11111111111111110xxxxxxxxxxxx 0x0F0
xxx1111111111111110xxxxxxxxxxxxx 0x100
xxx111111111111110xxxxxxxxxxxxxx 0x110
xxx11111111111110xxxxxxxxxxxxxxx 0x120
xxx1111111111110xxxxxxxxxxxxxxxx 0x130
xxx111111111110xxxxxxxxxxxxxxxxx 0x140
xxx11111111110xxxxxxxxxxxxxxxxxx 0x150
xxx1111111110xxxxxxxxxxxxxxxxxxx 0x160
xxx111111110xxxxxxxxxxxxxxxxxxxx 0x170
xxx11111110xxxxxxxxxxxxxxxxxxxxx 0x180
xxx1111110xxxxxxxxxxxxxxxxxxxxxx 0x190
xxx111110xxxxxxxxxxxxxxxxxxxxxxx 0x1A0
xxx11110xxxxxxxxxxxxxxxxxxxxxxxx 0x1B0
xxx1110xxxxxxxxxxxxxxxxxxxxxxxxx 0x1C0
xxx110xxxxxxxxxxxxxxxxxxxxxxxxxx 0x1D0
xxx10xxxxxxxxxxxxxxxxxxxxxxxxxxx 0x1E0
xxx0xxxxxxxxxxxxxxxxxxxxxxxxxxxx 0x1F0
Zx-LINKPOINTER
Address offset of
Zone-Select block
Zone Select Block
Addr. Offset
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