SYSTEM导出常量

模块
	SYSCFG REMAP
	SYSCFG BANK MODE
	SYSCFG I2C FASTMODEPLUS
	SYSCFG EXTI PORT
	SYSCFG EXTI LINE
	SYSCFG TIMER BREAK
	SYSCFG CCMSRAM WRP
	DBGMCU TRACE引脚分配
	DBGMCU APB1 GRP1 STOP IP
	DBGMCU APB1 GRP2 STOP IP
	DBGMCU APB2 GRP1 STOP IP
	VREFBUF VOLTAGE
	FLASH LATENCY