UM0225 datasheet(50/57 Pages) STMICROELECTRONICS

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3 Designing with CAPS

UM0225

49/56

#define _DMA_Channel3

// always

#define _DMA_Channel4

// always

#define _DMA_Channel5

// always

#define _DMA_Channel6

// always

#define _DMA_Channel7

// always

// ****************************************************************

// Clock source

// ****************************************************************

#define _MCLK_Source SCU_MCLK_PLL

#define _Main_Crystal

25000.00

// In KHz

// ****************************************************************

// Phase Lock Loop (PLL) setting

// ****************************************************************

#define _PLL_M 25 // M (1 <= M <= 255) value for phase lock loop

#define _PLL_N 192 // N (1 <= N <= 255) value for phase lock loop

#define _PLL_P 2 // P (1 <= P <= 5) value for phase lock loop

// ****************************************************************

// clocks divisor setting

// ****************************************************************

#define _RCLK_Divisor

SCU_RCLK_Div1 // Reference clock divisor

#define _HCLK_Divisor

SCU_HCLK_Div1 // ARM high speed bus divisor

#define _PCLK_Divisor

SCU_PCLK_Div2 // ARM Peripheral bus divisor

#define _FMICLK_Divisor SCU_FMICLK_Div1 // FMI divisor

// ****************************************************************

// GPIO input register setting

// ****************************************************************

#define GPIOIN0 0x0

#define GPIOIN1 0x1

#define GPIOIN2 0x0

#define GPIOIN3 0x1

#define GPIOIN4 0x4

#define GPIOIN5 0x0

#define GPIOIN6 0x8

#define GPIOIN7 0x0

// ****************************************************************

// GPIO output register setting

// ****************************************************************

#define GPIOOUT0 0xFFFF

#define GPIOOUT1 0xC00

#define GPIOOUT2 0x0

#define GPIOOUT3 0x30C

#define GPIOOUT4 0x80

#define GPIOOUT5 0x0

#define GPIOOUT6 0x0

#define GPIOOUT7 0x0

// ****************************************************************

// GPIO type register setting

// ****************************************************************

#define GPIOTYPE0 0x0

#define GPIOTYPE1 0x0

#define GPIOTYPE2 0x0

#define GPIOTYPE3 0x0

#define GPIOTYPE4 0x0

#define GPIOTYPE5 0x0

#define GPIOTYPE6 0x0

#define GPIOTYPE7 0x0

#define GPIOTYPE8 0x0

#define GPIOTYPE9 0x0

// ****************************************************************

// GPIO direction register setting

// ****************************************************************

#define GPIO_DIR0 0x0

#define GPIO_DIR1 0x0

UM0225 Datasheet(PDF) 50 Page - STMicroelectronics

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