library

/*! \file sramswconf.h \brief Software-driven SRAM memory bus access configuration. */
//*****************************************************************************
//
// File Name    : 'sramswconf.h'
// Title                : Software-driven SRAM memory bus access functions
// Author               : Pascal Stang - Copyright (C) 2002
// Created              : 11/11/2002
// Revised              : 11/13/2002
// Version              : 1.0
// Target MCU   : Atmel AVR series
// Editor Tabs  : 4
//
// This code is distributed under the GNU Public License
//              which can be found at http://www.gnu.org/licenses/gpl.txt
//
//*****************************************************************************

#ifndef SRAMSWCONF_H
#define SRAMSWCONF_H

// defines

// data bus (DATA[0:7]) and low address (ADDR[0:7]) port
#define SRAM_ADL                PORTA
#define SRAM_ADL_DDR    DDRA
#define SRAM_ADL_IN             PINA
// high address port (ADDR[8:15])
#define SRAM_AH                 PORTC
#define SRAM_AH_DDR             DDRC
// page address port (PAGE[0:3])
#define SRAM_PAGE               PORTB
#define SRAM_PAGE_DDR   DDRB
#define SRAM_PAGE_MASK  0x0F
// control port
#define SRAM_CTRL               PORTD
#define SRAM_CTRL_DDR   DDRD
// control lines
#define SRAM_ALE                PD5
#define SRAM_WR                 PD6
#define SRAM_RD                 PD7

#endif