EFM32WG Datasheet, PDF (42/834 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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Bit
Name
Reset
Access Description
3
WRITEONCE
0
W1
Word Write-Once Trigger
Write the word in MSC_WDATA to ADDR. Flash access is returned to the AHB interface as soon as the write operation completes.
The WREN bit in the MSC_WRITECTRL register must be set in order to use this command.
2
WRITEEND
0
W1
End Write Mode
Write 1 to end write mode when using the WRITETRIG command.
1
ERASEPAGE
0
W1
Erase Page
Erase any user defined page selected by the MSC_ADDRB register. The WREN bit in the MSC_WRITECTRL register must be set
in order to use this command.
0
LADDRIM
0
W1
Load MSC_ADDRB into ADDR
Load the internal write address register ADDR from the MSC_ADDRB register. The internal address register ADDR is incremented
automatically by 4 after each word is written. When ADDR is incremented past the page boundary, ADDR is set to the base of the page.
7.5.5 MSC_ADDRB - Page Erase/Write Address Buffer
Offset
0x010
Bit Position
Reset
Access
Name
Bit
Name
Reset
Access Description
31:0
ADDRB
0x00000000
RW
Page Erase or Write Address Buffer
This register holds the page address for the erase or write operation. This register is loaded into the internal MSC_ADDR register
when the LADDRIM field in MSC_WRITECMD is set. The MSC_ADDR register is not readable.
7.5.6 MSC_WDATA - Write Data Register
Offset
0x018
Bit Position
Reset
Access
Name
Bit
Name
31:0
WDATA
Reset
0x00000000
Access
RW
Description
Write Data
2013-05-08 - Wonder Gecko Family - d0233_Rev0.50
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