memories_initialization_xmega.c File Reference

Initialization of memories (XMEGA)

Copyright (c) 2014-2018 Microchip Technology Inc. and its subsidiaries.

#include "asf.h"
#include "memories_initialization.h"

Macros
#define	BOARD_EBI_SDRAM_INITDLY   (100 * 2 * sysclk_get_per2_hz() / 1000000)
	SDRAM initialization delay in number of CLKper2 cycles (100 us) More...
#define	BOARD_EBI_SDRAM_REFRESH   (16 * 2 * sysclk_get_per2_hz() / 1000000)
	SDRAM refresh interval in number of CLKper2 cycles (16 us) More...

Functions
void	memories_initialization (void)
	Initialize the memories used by examples. More...

#define BOARD_EBI_SDRAM_INITDLY   (100 * 2 * sysclk_get_per2_hz() / 1000000)

SDRAM initialization delay in number of CLKper2 cycles (100 us)

Referenced by memories_initialization().

#define BOARD_EBI_SDRAM_REFRESH   (16 * 2 * sysclk_get_per2_hz() / 1000000)

SDRAM refresh interval in number of CLKper2 cycles (16 us)

Referenced by memories_initialization().

void memories_initialization

(

void

)

Initialize the memories used by examples.

References BOARD_EBI_SDRAM_BASE, BOARD_EBI_SDRAM_INITDLY, BOARD_EBI_SDRAM_REFRESH, EBI_CS_ASPACE_8MB_gc, ebi_cs_set_address_size(), ebi_cs_set_base_address(), ebi_cs_set_mode(), ebi_cs_write_config(), ebi_enable_cs(), EBI_PORT_3PORT, EBI_PORT_SDRAM, EBI_SDRAM_CS, ebi_sdram_is_ready(), ebi_sdram_set_cas_latency(), ebi_sdram_set_col_bits(), ebi_sdram_set_initialization_delay(), ebi_sdram_set_mode(), ebi_sdram_set_mode_delay(), ebi_sdram_set_refresh_period(), ebi_sdram_set_row_bits(), ebi_sdram_set_row_cycle_delay(), ebi_sdram_set_row_to_col_delay(), ebi_sdram_set_row_to_precharge_delay(), ebi_sdram_set_self_refresh_to_active_delay(), ebi_sdram_set_write_recovery_delay(), ebi_sdram_write_config(), and ebi_setup_port().

Referenced by main().