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程序比较大,超过了片内SRAM的范围,欲重映射到外部SDRAM。
片子是AT91SAM9263,好像只需将MATRIX_MRCR寄存器相应位置1就能实现REMAP,可是这些寄存器没看到SDRAM呀,求高人指点一二
Reset: 0x0000_0000
• RCBx: Remap Command Bit for AHB Master x
0: Disable remapped address decoding for the selected Master.
1: Enable remapped address decoding for the selected Master.
31 30 29 28 27 26 25 24
– – – – – – – –
23 22 21 20 19 18 17 16
– – – – – – – –
15 14 13 12 11 10 9 8
– – – – – – – RCB8
7 6 5 4 3 2 1 0
RCB7 RCB6 RCB5 RCB4 RCB3 RCB2 RCB1 RCB0
RCBx Master
RCB0 ARM926 Instruction
RCB1 ARM926 Data
RCB2 Peripheral DMA Controller
RCB3 LCD Controller
RCB4 Ethernet EMAC
RCB5 DMA Controller
RCB6 Two D Graphic Controller
RCB7 Image Sensor Interface
RCB8 OHCI USB Host Controller |
阿莫论坛20周年了!感谢大家的支持与爱护!!
曾经有一段真挚的爱情摆在我的面前,我没有珍惜,现在想起来,还好我没有珍惜……
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