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发表于 2017-11-16 15:06:31
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/* Configuration for enter RUN mode. Core clock = 72MHz. */
const clock_config_t g_defaultClockConfigRun = {
.mcgConfig =
{
.mcgMode = kMCG_ModePEE, /* Work in PEE mode */
.irclkEnableMode = MCG_IRCLK_DISABLE, /* MCGIRCLK enable */
.ircs = kMCG_IrcSlow, /* Select IRC32k */
.fcrdiv = 0x1U, /* FCRDIV is 0 */
.frdiv = 0x0U,
.drs = kMCG_DrsMid, /* Low frequency range */
.dmx32 = kMCG_Dmx32Default, /* DCO has a default range of 25% */
.oscsel = kMCG_OscselOsc, /* Select OSC */
.pll0Config =
{
.enableMode =MCG_PLL_DISABLE, .prdiv = 0x1U, .vdiv = 0x0CU,
},
},
.simConfig =
{
.pllFllSel = SIM_PLLFLLSEL_MCGFLLCLK_CLK, /* PLLFLLSEL select PLL */
.er32kSrc = SIM_OSC32KSEL_OSC32KCLK_CLK, /* ERCLK32K selection, use RTC */
.clkdiv1 = 0x10300000U, /* SIM_CLKDIV1 */
},
.oscConfig =
{
.freq = BOARD_XTAL0_CLK_HZ,
.capLoad = (kOSC_Cap2P | kOSC_Cap4P | kOSC_Cap16P),/* Oscillator capacity load: 22pF */
.workMode = kOSC_ModeExt,
.oscerConfig =
{
.enableMode = OSC_ER_CLK_DISABLE,
#if (defined(FSL_FEATURE_OSC_HAS_EXT_REF_CLOCK_DIVIDER) && FSL_FEATURE_OSC_HAS_EXT_REF_CLOCK_DIVIDER)
.erclkDiv = 0U,
#endif
}
},
.coreClock = 72000000U, /* Core clock frequency */
}; |
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