Register 69: User Register 0 (USER_REG0), offset 0x1E0
Register 70: User Register 1 (USER_REG1), offset 0x1E4
Register 71: User Register 2 (USER_REG2), offset 0x1E8
Register 72: User Register 3 (USER_REG3), offset 0x1EC
Note: Offset is relative to System Control base address of 0x400F.E000.
These registers each provide 32 bits of user-defined data that is non-volatile. Bits can only be
changed from 1 to 0. The reset value shown only applies to power-on reset when the register is not
yet committed; any other type of reset does not affect this register. Once committed, the register
retains its value through power-on reset. The only way to restore the factory default value of this
register is to perform the "Recover Locked Device" sequence detailed in the JTAG section.
User Register n (USER_REGn)
Base 0x400F.E000
Offset 0x1E0
Type W0, reset 0xFFFF.FFFF
16171819202122232425262728293031
DATA
RWRWRWRWRWRWRWRWRWRWRWRWRWRWRWRWType
1111111111111111Reset
0123456789101112131415
DATA
RWRWRWRWRWRWRWRWRWRWRWRWRWRWRWRWType
1111111111111111Reset
DescriptionResetTypeNameBit/Field
User Data
Contains the user data value. This field is initialized to all 1s and once
committed, retains its value through power-on reset.
0xFFFF.FFFFRWDATA31:0
677June 18, 2014
Texas Instruments-Production Data
Tiva
™
TM4C1294NCPDT Microcontroller
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