ESP8266 Memory Map

2 内存映射

/* RAM */
#define RAM_BASE		0x3FFE8000
#define RAM_SIZE		0x00018000	// Size: 98304 bytes
#define RAM_BIOS_DATA_BASE 	0x3FFFC000      // ROM-XTOS system data RAM. Size: 16384 bytes

/* IRAM */
#define IRAM_BASE		0x40100000
#define IRAM_SIZE		0x00008000	// Size: 32768 bytes

/* FLASH */
#define FLASH_BASE		0x40200000
#define FLASH_MIN_SIZE         	0x00080000	// 512 KB
#define FLASH_MAX_SIZE  	0x01000000      // 16 MB
#define FLASH_CACHE_MAX_SIZE	0x100000        // Size of Cached Flash