ebi_port.h File Reference

External bus interface (EBI) port/pin configuration.

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

#include <stdint.h>
#include "compiler.h"
#include "sysclk.h"

Macros
#define	EBI_PORT_CS_ALL
EBI Address Latch Configuration Flags
#define	EBI_ALE1   0x01
	Enable ALE1 only. More...
#define	EBI_ALE12   0x03
	Enable both ALE1 and ALE2. More...
EBI Port Configuration Flags
#define	EBI_PORT_3PORT   (1 << 0)
	3-port interface (default is 2-port) More...
#define	EBI_PORT_SDRAM   (1 << 1)
	Enable SDRAM interface. More...
#define	EBI_PORT_SRAM   (1 << 2)
	Enable SRAM interface. More...
#define	EBI_PORT_LPC   (1 << 3)
	Enable LPC interface. More...
#define	EBI_PORT_CS0   (1 << 4)
	Enable SRAM Chip Select 0. More...
#define	EBI_PORT_CS1   (1 << 5)
	Enable SRAM Chip Select 1. More...
#define	EBI_PORT_CS2   (1 << 6)
	Enable SRAM Chip Select 2. More...
#define	EBI_PORT_CS3   (1 << 7)
	Enable SRAM Chip Select 3. More...

Functions
static void	ebi_setup_port (uint8_t addr_bits, uint8_t sram_ale, uint8_t lpc_ale, uint8_t flags)
	Set up the I/O ports for use by the EBI. More...