Toshiba TXZ+ Series Reference Manual

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TXZ+ FamilyTMPM3H Group(1)Clock Control and Operation Mode2022-05-10Rev. 1.311 / 721.2. Clock control1.2.1. Clock typeThis section shows a list of clocks.EHCLKIN: The clock input from the external.fOSC: A clock generated in the internal oscillation circuit or input from the X1 and X2 pinsfPLL: A clock multiplied by PLLfc: A clock selected by [CGPLL0SEL]<PLL0SEL> (high speed clock)fs: A clock output from an external low speed oscillatorfsys: A system clock selected by [CGSYSCR]ΦT0: A clock selected by [CGSYSCR] (prescaler clock)fIHOSC1: A clock generated with the internal high speed oscillator 1fIHOSC2: A clock generated with the internal high speed oscillator 2ADCLK: A conversion clock for AD converterTRCLKIN: A clock for tracing facilities of a debugging circuit (Trace/SWV)1.2.2. The initial value by a reset operationA clock setting is initialized to the following states by a reset operation.External high speed oscillator: StopInternal high speed oscillator 1: OscillationInternal high speed oscillator 2: StopExternal low speed oscillator: StopPLL (multiplying circuit): StopGear clock: fc (no frequency dividing)