| LPCOpen Platform v1.03 LPCOpen Platform for NXP LPC Microcontrollers

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CHIP: LPC17xx/40xx Clock Driver driver options
CHIP: LPC17xx/40xx Clock Driver | CHIP: LPC17xx/40xx Chip driver build time options

The clock driver has options that configure it's operation at build-time. A build-time option is configured by the use of a definition passed to the compiler during the build process or by adding the definition to the sys_config.h file.

CRYSTAL_MAIN_FREQ_IN
This define is the external crystal frequency used for the main oscillator.

CRYSTAL_32K_FREQ_IN
This define is rate of the RTC(32K) crystal frequency used for the chip.