copyright: "2012 chrysn <chrysn@fsfe.org>"
license: lgpl-3+
ingroup: EFM32TG
shortdocname: EFM32TG_CMU
shortname: CMU
longname: Clock Management Unit
baseref: d0034_efm32tg_reference_manual.pdf section 11
registers_baserefext: ".4"
registers:
    - name: CTRL
      offset: 0x000
      definition_baserefext: ".5.1"
      fields:
          - name: DBGCLK
            shift: 28
            values:
                - {name: AUXHFRCO, value: 0}
                - {name: HFCLK, value: 1}
          - name: CLKOUTSEL1
            shift: 23
            length: 3
            values:
                - {name: LFRCO, value: 0}
                - {name: LFXO, value: 1}
                - {name: HFCLK, value: 2}
                - {name: LFXOQ, value: 3}
                - {name: HFXOQ, value: 4}
                - {name: LFRCOQ, value: 5}
                - {name: HFRCOQ, value: 6}
                - {name: AUXHFRCOQ, value: 7}
          - name: CLKOUTSEL0
            shift: 20
            length: 3
            values:
                - {name: HFRCO, value: 0}
                - {name: HFXO, value: 1}
                - {name: HFCLK2, value: 2}
                - {name: HFCLK4, value: 3}
                - {name: HFCLK8, value: 4}
                - {name: HFCLK16, value: 5}
                - {name: ULFRCO, value: 6}
                - {name: AUXHFRCO, value: 7}
          - name: LFXOTIMEOUT
            shift: 18
            length: 2
            values:
                - {name: 8CYCLES, value: 0}
                - {name: 1KCYCLES, value: 1}
                - {name: 16KCYCLES, value: 2}
                - {name: 32KCYCLES, value: 3}
          - name: LFXOBUFCUR
            shift: 17
          - name: LXFOBOOST
            shift: 13
            values:
                - {name: 70PCENT, value: 0}
                - {name: 100PCENT, value: 1}
          - name: LFXOMODE
            shift: 11
            length: 2
            values:
                - {name: XTAL, value: 0}
                - {name: BUFEXTCLK, value: 1}
                - {name: DIGEXTCLK, value: 2}
          - name: HFXOTIMEOUT
            shift: 9
            length: 2
            values:
                - {name: 8CYCLES, value: 0}
                - {name: 256CYCLES, value: 1}
                - {name: 1KCYCLES, value: 2}
                - {name: 16KCYCLES, value: 3}
          - name: HFXOGLITCHDETEN
            shift: 7
          - name: HFXOBUFCUR
            shift: 5
            length: 2
            type: undocumented
          - name: HFXOBOOST
            shift: 2
            length: 2
            values:
                - {name: 50PCENT, value: 0}
                - {name: 70PCENT, value: 1}
                - {name: 80PCENT, value: 2}
                - {name: 100PCENT, value: 3}
          - name: HFXOMODE
            shift: 0
            length: 2
            values:
                - {name: XTAL, value: 0}
                - {name: BUFEXTCLK, value: 1}
                - {name: DIGEXTCLK, value: 2}
    - name: HFCORECLKDIV
      offset: 0x004
      definition_baserefext: ".5.2"
      values: &HFCORECLKDIV_values
          - {value: 0, name: HFCLK}
          - {value: 1, name: HFCLK2}
          - {value: 2, name: HFCLK4}
          - {value: 3, name: HFCLK8}
          - {value: 4, name: HFCLK16}
          - {value: 5, name: HFCLK32}
          - {value: 6, name: HFCLK64}
          - {value: 7, name: HFCLK128}
          - {value: 8, name: HFCLK256}
          - {value: 9, name: HFCLK512}
    - name: HFPERCLKDIV
      offset: 0x008
      definition_baserefext: ".5.3"
      fields:
          - name: HFPERCLKEN
            shift: 8
          - name: HFPERCLKDIV
            shift: 0
            length: 3
            # not using generically named values here due to different register structure
            values: *HFCORECLKDIV_values
    - name: HFRCOCTRL
      offset: 0x00c
      definition_baserefext: ".5.4"
      fields:
          - name: SUDELAY
            shift: 12
            length: 5
            type: undocumented
          - name: BAND
            shift: 8
            length: 3
            values:
                - {value: 0, name: 1MHZ}
                - {value: 1, name: 7MHZ}
                - {value: 2, name: 11MHZ}
                - {value: 3, name: 14MHZ}
                - {value: 4, name: 21MHZ}
                - {value: 5, name: 28MHZ}
          - name: TUNING
            shift: 0
            length: 8
            type: uint
    - name: LFRCOCTRL
      offset: 0x010
      definition_baserefext: ".5.5"
      length: 7
    - name: AUXHFRCOCTRL
      offset: 0x014
      definition_baserefext: ".5.6"
      fields:
          - name: BAND
            shift: 8
            length: 3
            values:
                - {value: 0, name: 14MHZ}
                - {value: 1, name: 11MHZ}
                - {value: 2, name: 7MHZ}
                - {value: 3, name: 1MHZ}
                - {value: 6, name: 28MHZ}
                - {value: 7, name: 21MHZ}
          - name: TUNING
            shift: 0
            length: 8
            type: uint
    - name: CALCTRL
      offset: 0x018
      definition_baserefext: ".6.7"
      fields:
          - name: CONT
            shift: 6
          - name: DOWNSEL
            shift: 3
            length: 3
            values:
                - {value: 0, name: HFCLK}
                - {value: 1, name: HFXO}
                - {value: 2, name: LFXO}
                - {value: 3, name: HFRCO}
                - {value: 4, name: LFRCO}
                - {value: 5, name: AUXHFRCO}
          - name: UPSEL
            shift: 0
            length: 3
            values:
                - {value: 0, name: HFXO}
                - {value: 1, name: LFXO}
                - {value: 2, name: HFRCO}
                - {value: 3, name: LFRCO}
                - {value: 4, name: AUXHFRCO}
    - name: CALCNT
      offset: 0x01c
      definition_baserefext: ".5.8"
      length: 19
    - name: OSCENCMD
      offset: 0x020
      definition_baserefext: ".5.9"
      fields:
          - {name: LFXODIS, shift: 9}
          - {name: LFXOEN, shift: 8}
          - {name: LFRCODIS, shift: 7}
          - {name: LFRCOEN, shift: 6}
          - {name: AUXHFRCODIS, shift: 5}
          - {name: AUXHFRCOEN, shift: 4}
          - {name: HFXODIS, shift: 3}
          - {name: HFXOEN, shift: 2}
          - {name: HFRCODIS, shift: 1}
          - {name: HFRCOEN, shift: 0}
    - name: CMD
      offset: 0x024
      definition_baserefext: ".5.10"
      fields:
          - name: CALSTOP
            shift: 4
          - name: CALSTART
            shift: 3
          - name: HFCLKSEL
            shift: 0
            length: 3
            values:
                - {value: 1, name: HFRCO}
                - {value: 2, name: HFXO}
                - {value: 3, name: LFRCO}
                - {value: 4, name: LFXO}
    - name: LFCLKSEL
      offset: 0x028
      definition_baserefext: ".5.11"
      fields:
          - name: LFBE
            shift: 20
            values: &LFCLKSEL_LFBE
                - {value: 0, name: DISABLED}
                - {value: 1, name: ULFRCO}
          - name: LFAE
            shift: 16
            values: *LFCLKSEL_LFBE
          - name: LFB
            shift: 2
            length: 2
            values: &LFCLKSEL_LFB
                - {value: 0, name: DISABLED}
                - {value: 1, name: LFRCO}
                - {value: 2, name: LFXO}
                - {value: 3, name: HFCORECLKLEDIV2}
          - name: LFA
            shift: 0
            length: 2
            values: *LFCLKSEL_LFB
    - name: STATUS
      offset: 0x02c
      definition_baserefext: ".5.12"
      fields:
          - {name: CALBSY, shift: 14}
          - {name: LFXOSEL, shift: 13}
          - {name: LFRCOSEL, shift: 12}
          - {name: HFXOSEL, shift: 11}
          - {name: HFRCOSEL, shift: 10}
          - {name: LFXORDY, shift: 9}
          - {name: LFXOENS, shift: 8}
          - {name: LFRCORDY, shift: 7}
          - {name: LFRCOENS, shift: 6}
          - {name: AUXHFRCORDY, shift: 5}
          - {name: AUXHFRCOENS, shift: 4}
          - {name: HFXORDY, shift: 3}
          - {name: HFXOENS, shift: 2}
          - {name: HFRCORDY, shift: 1}
          - {name: HFRCOENS, shift: 0}
    - name: IF
      offset: 0x030
      definition_baserefext: ".5.13"
      #fields: I
    - name: IFS
      offset: 0x034
      definition_baserefext: ".5.14"
      #fields: I
    - name: IFC
      offset: 0x038
      definition_baserefext: ".5.15"
      #fields: I
    - name: IEN
      offset: 0x03c
      definition_baserefext: ".5.16"
      #fields: I
    - name: HFCORECLKEN0
      offset: 0x040
      definition_baserefext: ".5.17"
      fields:
          - {name: LE, shift: 2}
          - {name: DMA, shift: 1}
          - {name: AES, shift: 0}
    - name: HFPERCLKEN0
      offset: 0x044
      definition_baserefext: ".5.18"
      fields:
          - {name: I2C0, shift: 11}
          - {name: DAC0, shift: 10}
          - {name: ADC0, shift: 9}
          - {name: PRS, shift: 8}
          - {name: VCMP, shift: 7}
          - {name: GPIO, shift: 6}
          - {name: TIMER1, shift: 5}
          - {name: TIMER0, shift: 4}
          - {name: USART1, shift: 3}
          - {name: USART0, shift: 2}
          - {name: ACMP1, shift: 1}
          - {name: ACMP0, shift: 0}
    - name: SYNCBUSY
      offset: 0x050
      definition_baserefext: ".5.19"
      fields:
          - {name: LFBPRESC0, shift: 6}
          - {name: LFBCLKEN0, shift: 4}
          - {name: LFAPRESC0, shift: 2}
          - {name: LFACLKEN0, shift: 0}
    - name: FREEZE
      offset: 0x054
      definition_baserefext: ".5.20"
      fields:
          - name: REGFREEZE
            shift: 0
            values:
                - {value: 0, name: UPDATE}
                - {value: 1, name: FREEZE}
    - name: LFACLKEN0
      offset: 0x058
      definition_baserefext: ".5.21"
      fields:
          - {name: LCD, shift: 3}
          - {name: LETIMER0, shift: 2}
          - {name: RTC, shift: 1}
          - {name: LESENSE, shift: 0}
    - name: LFBCLKEN0
      offset: 0x060
      definition_baserefext: ".5.22"
      fields:
          - {name: LEUART0, shift: 0}
    - name: LFAPRESC0
      offset: 0x068
      definition_baserefext: ".5.23"
      fields:
          - name: LCD
            shift: 12
            length: 2
            values:
                - {value: 0, name: DIV16}
                - {value: 1, name: DIV32}
                - {value: 2, name: DIV64}
                - {value: 3, name: DIV128}
          - name: LETIMER0
            shift: 8
            length: 4
            values: &LFAPRESC0_LETIMER0_values
                - {value: 0, name: DIV1}
                - {value: 1, name: DIV2}
                - {value: 2, name: DIV4}
                - {value: 3, name: DIV8}
                - {value: 4, name: DIV16}
                - {value: 5, name: DIV32}
                - {value: 6, name: DIV64}
                - {value: 7, name: DIV128}
                - {value: 8, name: DIV256}
                - {value: 9, name: DIV512}
                - {value: 10, name: DIV1024}
                - {value: 11, name: DIV2048}
                - {value: 12, name: DIV4096}
                - {value: 13, name: DIV8192}
                - {value: 14, name: DIV16384}
                - {value: 15, name: DIV32768}
          - name: RTC
            shift: 4
            length: 4
            values: *LFAPRESC0_LETIMER0_values
          - name: LESENSE
            shift: 0
            length: 2
            values:
                - {value: 0, name: DIV1}
                - {value: 1, name: DIV2}
                - {value: 2, name: DIV4}
                - {value: 3, name: DIV8}
    - name: LFBPRESC0
      offset: 0x070
      definition_baserefext: ".5.24"
      fields:
          - name: LEUART0
            shift: 0
            length: 2
            values:
                - {value: 0, name: DIV1}
                - {value: 1, name: DIV2}
                - {value: 2, name: DIV4}
                - {value: 3, name: DIV8}
    - name: PCNTCTRL
      offset: 0x078
      definition_baserefext: ".5.25"
      fields:
          - name: PCNT0CLKSEL
            shift: 1
            values:
                - {value: 0, name: LFACLK}
                - {value: 1, name: PCNT0S0}
          - name: PCNT0CLKEN
            shift: 0
    - name: LCDCTRL
      offset: 0x07c
      definition_baserefext: ".5.26"
      fields:
          - name: VBFDIV
            shift: 4
            length: 3
            values:
                - {value: 0, name: DIV1}
                - {value: 1, name: DIV2}
                - {value: 2, name: DIV4}
                - {value: 3, name: DIV8}
                - {value: 4, name: DIV16}
                - {value: 5, name: DIV32}
                - {value: 6, name: DIV64}
                - {value: 7, name: DIV128}
          - name: VBOOSTEN
            shift: 3
          - name: FDIV
            shift: 0
            length: 3
            type: uint
    - name: ROUTE
      offset: 0x080
      definition_baserefext: ".5.27"
      fields:
          - name: LOCATION
            shift: 4
            length: 3
            values:
                - {value: 0, name: LOC0}
                - {value: 1, name: LOC1}
          - name: CLKOUT1PEN
            shift: 1
          - name: CLKOUT0PEN
            shift: 0
    - name: LOCK
      offset: 0x084
      definition_baserefext: ".5.28"
      length: 16
      values:
          - {name: IS_UNLOCKED, value: 0}
          - {name: IS_LOCKED, value: 1}
          - {name: SET_LOCKED, value: 0}
          - {name: SET_UNLOCKED, value: "0x580E"}