Abstract:

With the increase of application requirement and the development of semiconductor technology, MPSoC (MultiProcessor SystemonChip) becomes a key research area. As the third generation high performance I/O interconnection technology, PCI Express has many technical advantages, such as highspeed, highperformance, pointtopoint, dual simplex, packet based protocol, differential signaling link for interconnecting devices. PCI Express has been more applied in general purpose high performance computers. In this paper, we applied PCI Express to an interchip interconnection module of QDSP, which is an embedded MPSoC. We took into account both design requirement and characteristics of PCI Express, adopted IP based design method, so the design period is shortened and the results are favorable. The total area of the interchip module is 0.65mm2 in 0.13μm technology, and the protocol conversion module has an area of 0.12mm2. The valid bandwidth of data transmission is 1.63Gb/s.

Key words: MPSoC;DSP;PCI Express;I/O interconnection;embedded system