mptl::system_clock_pllcfgr< output_freq, hse_freq > Struct Template Reference

PLL configuration with fixed PLLP=2.

#include <rcc.hpp>

Public Types
using	type = reglist< regval< RCC::PLLCFGR::PLLM, m >, regval< RCC::PLLCFGR::PLLN, n >, regval< RCC::PLLCFGR::PLLP,(p > > 1) - 1 >, regval< RCC::PLLCFGR::PLLQ, q > >

Static Public Attributes
static constexpr freq_t	vco_input = mhz(1)
static constexpr unsigned	p = 2
static constexpr unsigned	m = hse_freq / vco_input
static constexpr unsigned	n = (output_freq / vco_input ) * p
static constexpr unsigned	q = n / 48 + (n % 48 ? 1 : 0)
static constexpr freq_t	vco_output = vco_input * n
static constexpr freq_t	pll_output = vco_output / p
static constexpr freq_t	pll48clk = vco_output / q
static constexpr bool	usb_otg_available = ( pll48clk == mhz(48) )
static constexpr bool	sdio_available = ( pll48clk <= mhz(48) )
static constexpr bool	rng_available = ( pll48clk <= mhz(48) )

Member Typedef Documentation

type

template<freq_t output_freq, freq_t hse_freq>

using mptl::system_clock_pllcfgr< output_freq, hse_freq >::type = reglist < regval< RCC::PLLCFGR::PLLM, m >, regval< RCC::PLLCFGR::PLLN, n >, regval< RCC::PLLCFGR::PLLP, (p > > 1) - 1 >, regval< RCC::PLLCFGR::PLLQ, q > >

Member Data Documentation

m

template<freq_t output_freq, freq_t hse_freq>

constexpr unsigned mptl::system_clock_pllcfgr< output_freq, hse_freq >::m = hse_freq / vco_input

static

n

template<freq_t output_freq, freq_t hse_freq>

constexpr unsigned mptl::system_clock_pllcfgr< output_freq, hse_freq >::n = (output_freq / vco_input ) * p

static

p

template<freq_t output_freq, freq_t hse_freq>

constexpr unsigned mptl::system_clock_pllcfgr< output_freq, hse_freq >::p = 2

static

pll48clk

template<freq_t output_freq, freq_t hse_freq>

constexpr freq_t mptl::system_clock_pllcfgr< output_freq, hse_freq >::pll48clk = vco_output / q

static

pll_output

template<freq_t output_freq, freq_t hse_freq>

constexpr freq_t mptl::system_clock_pllcfgr< output_freq, hse_freq >::pll_output = vco_output / p

static

q

template<freq_t output_freq, freq_t hse_freq>

constexpr unsigned mptl::system_clock_pllcfgr< output_freq, hse_freq >::q = n / 48 + (n % 48 ? 1 : 0)

static

rng_available

template<freq_t output_freq, freq_t hse_freq>

constexpr bool mptl::system_clock_pllcfgr< output_freq, hse_freq >::rng_available = ( pll48clk <= mhz(48) )

static

sdio_available

template<freq_t output_freq, freq_t hse_freq>

constexpr bool mptl::system_clock_pllcfgr< output_freq, hse_freq >::sdio_available = ( pll48clk <= mhz(48) )

static

usb_otg_available

template<freq_t output_freq, freq_t hse_freq>

constexpr bool mptl::system_clock_pllcfgr< output_freq, hse_freq >::usb_otg_available = ( pll48clk == mhz(48) )

static

vco_input

template<freq_t output_freq, freq_t hse_freq>

constexpr freq_t mptl::system_clock_pllcfgr< output_freq, hse_freq >::vco_input = mhz(1)

static

vco_output

template<freq_t output_freq, freq_t hse_freq>

constexpr freq_t mptl::system_clock_pllcfgr< output_freq, hse_freq >::vco_output = vco_input * n

static

---

The documentation for this struct was generated from the following file:

• arch/arm/cortex/stm32/f4/include/arch/rcc.hpp