EFM32WG Datasheet, PDF (48/834 Pages) List of Unclassifed Manufacturers – The EFM32WG Wonder Gecko is the ideal choice for demanding 8-, 16-, and 32-bit energy sensitive applications.

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7.5.17 MSC_MASSLOCK - Mass Erase Lock Register
Offset
0x054
Bit Position
Reset
Access
Name
Bit
31:16
15:0
Name
Reset
Access Description
Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
LOCKKEY
0x0001
RW
Mass Erase Lock
Write any other value than the unlock code to lock access the the ERASEMAIN0 and ERASEMAIN1 commands. Write the unlock
code 631A to enable access. When reading the register, bit 0 is set when the lock is enabled. Locked by default.
Mode
Read Operation
UNLOCKED
LOCKED
Write Operation
LOCK
UNLOCK
Value
0
1
0
0x631A
Description
Mass erase unlocked.
Mass erase locked.
Lock mass erase.
Unlock mass erase.
2013-05-08 - Wonder Gecko Family - d0233_Rev0.50
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