at91.txt

来自「AT91fr40162的FLASH读写程序」· 文本 代码 · 共 26 行

setmem 0xFFC0000C,1,32             Enable Memory write
setmem 0xFFE00020,1,32             Remap
setmem 0xFFE00024,7,32             EBI_MCR register
setmem 0xFFE00008,0x00102002,32    CPLD config at 1M base(no wait stat)
setmem 0xFFE00008,0x00102022,32    CPLD config at 1M base(Wait stat=1)
setmem 0xFFE00004,0x00203001,32    SRAM address=2M

NCS2
LCD_D[3..0] = 0
LCD_D[7..4] = 2
LCD_CS1     = 4.0
LCD_CS2     = 4.1
LCD_DS      = 4.2
LCD_E       = 4.3
LCD_BL      = 6.0
IC_PWREN    = 6.1
LED_G       = 6.2
LED_R       = 6.3

8.0         = IC_DATA
8.1         = IC_CLK
8.2         = IC_RST
A.0         = 0(CLK3579)  1(CPU) to IC_CLK
A.1         = 1(Write to IC_DATA)  0(三态)
任意地址读  = IC_DATA