基于i.MX257应用处理器数据手册

　　The i.MX25 multimedia applications processor has

　　the right mix of high performance， low power， and

　　integration to support the growing needs of the

　　industrial and general embedded markets.

　　At the core of the i.MX25 is Freescale‘s fast，

　　proven， power-efficient implementation of the

　　ARM® 926EJ-S™ core， with speeds of up to

　　400 MHz. The i.MX25 includes support for up to

　　133 MHz DDR2 memory， integrated 10/100

　　Ethernet MAC， and two on-chip USB PHYs. The

　　device is suitable for a wide range of applications，

　　including the following：

　　• Graphical remote controls

　　• Human Machine Interface （HMI）

　　• Residential and commercial control panels

　　• Residential gateway （smart metering）

　　• Handheld scanners and printers

　　• Electronic point-of-sale terminals

　　• Patient-monitoring devices