flash.c

来自「用51单片机操作NANDFLASH」· C语言 代码 · 共 34 行

/////////////////////////////////////////////////////////////////////////////////
//NAND FLASH Source Code
//32MB, Sumsang K9F5608U0
////////////////////////////////////////////////////////////////////////////////
#define			DIO			P1					//Beforr Receive data from
												//NandFlash,DIO MUST be 
#define			FID			0x75
#define			Read1		0x00
#define			Read2		0x50
#define			Reset		0xFF
#define			Page_Pro	0x80
#define			Page_Exc	0x10
#define			Copy_Back	0x00
#define			Copy_Exc	0x8A
#define			Block_Erase	0x60
#define			Block_Exc	0xD0
#define			Status		0x70

#define			A14			0x0020


												//Set Logic High,
sbit			LED	= P0^1;
sbit			BUSY = P0^2;
sbit			WP	= P2^0;
sbit			RE  = P2^1;
sbit			CE	= P2^2;
sbit			CLE	= P2^3;
sbit			ALE = P2^4;
sbit			WE  = P2^5;
sbit			GND	= P2^7;
///////////////////////////////////////////////////////////////////////////////