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AM5728: AM5728的配置

Part Number: AM5728


您好,请教两个问题

1. AM5728要跑linux, 外围硬件的话,SD, QSPI Flash, UART,  DDR3 ,还有其他必须的硬件吗?(电源时间等这些除外), 我看有的demo板卡有eMMC,eMMC是否必须?

2.AM5728外挂32位位宽和外挂16位位宽的DDR3,性能上有什么区别?就数据读写快一倍,因为位宽不一样?能否支持64位位宽呢?

谢谢