d4/d72/board_2efr32__template_2config_8mk_source.html

# This definition describes mcu family.

MCU_FAMILY=efr


# This definition describes processor architecture.

# Valid value: efr32 for EFR32 based boards

MCU=efr32


# This describes the sub-architecture of the processor. Allowed values are

# following: xg12,xg21,xg22

MCU_SUB=xg12


# This definitions describes the processor memory variant. It is only used when

# <code>@ref config_mk_mcu "MCU"</code> is <code>efr32</code>.

# Valid values are following:

# - <code>pxxxf512</code> For 512 kB flash memory variant (xg12)

# - <code>xxxxf512</code> For 512 kB flash memory variant (xg22)

# - <code>pxxxf1024</code> For 1024 kB flash memory variant (xg12)

# - <code>xxxxf1024</code> For 1024 kB flash memory variant (xg21)

MCU_MEM_VAR=pxxxf1024


# Which radio version to use (different stack binary)

# Must be set only for xg21 and xg22 only

# Allowed values are following for xg21: efr32xg21, bgm210pa22jia

# Allowed values are following for xg22: efr32xg22, bgm220pc22hna

# radio=


# This describes the hardware capabilities of the board

# (this is used to customize the hardware service of the bootloader).

## Is 32kHz crystal mounted on the board? default:yes, possible values:yes, no

board_hw_crystal_32k=yes

## Is DCDC to be enabled on the board? default:yes, possible values:yes, no

## (it replaces MCU_NO_DCDC define in ./board/bootlaoder/early_init_efr32.c)

board_hw_dcdc=yes

## HFXO crystal characteristics

board_hw_hfxo_ctune=322

## LFXO crystal characteristics

board_hw_lfxo_ctune=68

board_hw_lfxo_gain=2