at91sam9g20-ek-sram.gdb
上传用户:jnhtjd
上传日期:2022-07-16
资源大小:403k
文件大小:1k
- # MCK initialization script for the AT91SAM9G20
- #------------------------------------------------
- # Configure master clock
- echo Configuring the master clock...n
- # Enable main oscillator
- set *0xFFFFFC20 = 0x00004001
- while ((*0xFFFFFC68 & 0x1) == 0)
- end
- # Set PLLA to 800MHz
- set *0xFFFFFC28 = 0x202A3F01
- while ((*0xFFFFFC68 & 0x2) == 0)
- end
- # Select prescaler
- set *0xFFFFFC30 = 0x00001300
- while ((*0xFFFFFC68 & 0x8) == 0)
- end
- # Select master clock
- set *0xFFFFFC30 = 0x00001302
- while ((*0xFFFFFC68 & 0x8) == 0)
- end
- echo Master clock ok.n