Register 20: Hibernation Lock (HIBLOCK), offset 0x360
Writing 0xA335.9554 to the HIBLOCK register enables write access to the HIBRTCLD, HIBCALLD0,
HIBCALLD1 and Tamper registers. Writing any other value to the HIBLOCK register re-enables
the locked state for register writes to all the other registers. Reading the HIBLOCK register returns
the lock status rather than the 32-bit value written. Therefore, when write accesses are disabled,
reading the HIBLOCK register returns 0x0000.0001 when locked; otherwise, the returned value is
0x0000.0000 (unlocked).
Hibernation Lock (HIBLOCK)
Base 0x400F.C000
Offset 0x360
Type RW, reset 0x0000.0000
16171819202122232425262728293031
HIBLOCK
RWRWRWRWRWRWRWRWRWRWRWRWRWRWRWRWType
0000000000000000Reset
0123456789101112131415
HIBLOCK
RWRWRWRWRWRWRWRWRWRWRWRWRWRWRWRWType
0000000000000000Reset
DescriptionResetTypeNameBit/Field
HIbernate Lock
A write of 0xA335.9554 unlocks the HIBRCTL and Tamper registers.
0x0000RWHIBLOCK31:0
June 18, 2014586
Texas Instruments-Production Data
Hibernation Module
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