小弟正在学习arm,用的是s3c44b0x的开发板,有很多地方不清楚,特来寻求大哥们帮助,十分感谢
1.在实时时钟模块的RTCRST寄存器(RTC round reset register)
SRSTEN (round second reset enable) ---这个位是使能什么
SECCR (round boundary for second carry generation) ---这个位又是什么意思
011 = over than 30 sec
100 = over than 40 sec
101 = over than 50 sec
2.内存管理的寄存器BWSCON,底下这3位分别是什么意思
ST7 this bit determines SRAM for using UB/LB for bank 7
WS7 this bit determines WAIT status for bank7
DW7 these two bits determine data bus width for bank 7
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