EFM32WG Datasheet, PDF (33/834 Pages) List of Unclassifed Manufacturers – The EFM32WG Wonder Gecko is the ideal choice for demanding 8-, 16-, and 32-bit energy sensitive applications.

Table 7.1. MSC Flash Memory Mapping
...the world's most energy friendly microcontrollers
Block
Page
Main¹
0
.
127
Reserved -
Base address Write/Erase by Software
readable
0x00000000 Software, debug Yes
Software, debug Yes
0x0003F800 Software, debug Yes
0x00040000 -
-
Information 0
-
1
-
2
0x0FE00000
0x0FE00800
0x0FE04000
0x0FE04800
0x0FE08000
Software, debug Yes
-
-
Write: Software, Yes
debug
Erase: Debug
only
-
-
-
Yes
-
0x0FE08800 -
-
Reserved -
0x0FE10000 -
-
1_{Block/page erased by a device erase}
Purpose/Name
Size
User code and data 64 kB - 256 kB
Reserved for flash
expansion
User Data (UD)
Reserved
Lock Bits (LB)
~24 MB
2 KB
-
2 KB
Reserved
Device Information
(DI)
Reserved
Reserved for flash
expansion
-
2 KB
-
Rest of code
space
7.3.1 User Data (UD) Page Description
This is the user data page in the information block. The page can be erased and written by software. The
page is erased by the ERASEPAGE command of the MSC_WRITECMD register. Note that the page is
not erased by a device erase operation. The device erase operation is described in Section 6.4 (p. 27) .
7.3.2 Lock Bits (LB) Page Description
This page contains the following information:
• Main block Page Lock Words (PLWs)
• User data page Lock Word (ULWs)
• Debug Lock Word (DLW)
• Mass erase Lock Word (MLW)
The words in this page are organized as shown in Table 7.2 (p. 33) :
Table 7.2. Lock Bits Page Structure
127
DLW
126
ULW
125
MLW
N
PLW[N]
…
…
1
PLW[1]
0
PLW[0]
2013-05-08 - Wonder Gecko Family - d0233_Rev0.50
33
www.energymicro.com