refd.h

用8051采用pwm方式播放 串口语音数据

/*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_ */