copyright: "2012 chrysn <chrysn@fsfe.org>"
license: lgpl-3+
ingroup: EFM32TG
shortdocname: EFM32TG_EMU
shortname: EMU
longname: Energy Management Unit
baseref: d0034_efm32tg_reference_manual.pdf section 10
registers_baserefext: ".4"
registers:
    - name: CTRL
      definition_baserefext: .5.1
      details: ", and 10.3.2 for details (especially on why EM4CTRL_TWO and _THREE are defined)."
      offset: 0x000
      fields:
          - name: EM4CTRL
            shift: 2
            length: 2
            values:
                - {name: TWO, value: 2}
                - {name: THREE, value: 3}
          - name: EM2BLOCK
            shift: 1
            doc: When this bit is set, no mode lower than EM1 will be entered
          - name: EMVREG
            shift: 0
            doc: When this bit is set, the voltage regulator will stay on in modes lower than EM1
    - name: LOCK
      definition_baserefext: .5.2
      details: ". There seems not to be another mention of it."
      offset: 0x008
      values:
          - name: IS_UNLOCKED
            value: 0
            doc: When the LOCK register reads as this value, it is open
          - name: IS_LOCKED
            value: 1
            doc: When the LOCK register reads as this value, it is locked
          - name: SET_LOCKED
            value: 0
            doc: Write this to the LOCK register to lock the EMU
          - name: SET_UNLOCKED
            value: "0xade8"
            doc: Write this to the LOCK register to unlock the EMU
    - name: AUXCTRL
      definition_baserefext: .5.3
      details: ", and 9.5.3 for details."
      offset: 0x024
      fields:
          - name: HRCCLR
            shift: 0