?? refd.h
字號:
/*H**************************************************************************
* NAME: refd.h
* author: nauy
*----------------------------------------------------------------------------
* Copyright (c) 2002 Atmel.
*----------------------------------------------------------------------------
* RELEASE: snd1c-refd-nf-3_0_0
* REVISION: 1.14
*----------------------------------------------------------------------------
* PURPOSE:
* This file contains the demonstration board definition
*****************************************************************************/
#ifndef _BOARD_H_
#define _BOARD_H_
/*----- Board definition -----*/
/* ECP Interface */
#define ECP_NARV P3^7 /* nAckReverse signal */
#define ECP_NEGO ((Byte)0x10) /* negociation ECP byte */
#define DF_DESEL_ALL ((Byte)0xF0) /* set CS# dataflash memories */
#define DF_NB_MEM ((Byte)4) /* 4 on-board memories */
/* NAND Flash (NF extended version) */
#define NF_64
#define NF_IDLE_STATE_ADD 0xFC /* Smart Media Card not selected */
#define NF_ADD_LATCH_ENABLE_ADD 0x7E00 /* Address Latch Enable Address */
#define NF_CMD_LATCH_ENABLE_ADD 0x7D00 /* Command Latch Enable Address */
#define NF_ADDRESS_CMD_DATA 0x7C00 /* Command / Data Address register */
#define NF_RD_BUSY P2_6
#define Nf_CS_ON P2_7=0
#define Nf_CS_OFF P2_7=1
/* FLASH */
#define FLASH_WP P2_2
#define FLASH_BUSY p2_6
#define FLASH_READ_ENAB p3_7
#define FLASH_WRITE_ENAB p3_6
#endif /* _BOARD_H_ */
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