Data transfer apparatus and data transfer method

[0022]Various exemplary embodiments, features, and aspects of the invention will be described in detail below with reference to the drawings.

[0023]FIG. 1 illustrates a system according to an exemplary embodiment of the present invention. A system configuration in which an ASIC_A 100 and an ASIC_B 200 mutually connected through a serial bus 300 is illustrated. ASIC stands for Application Specific Integrated Circuit.

[0024]On the serial bus 300, data is transferred in a packet. The ASIC_A 100 includes a first bus master A 101, a first bus master B102, a first bridge 103 as a bridge between the first bus and the serial bus, and a DRAM controller A 104. These modules are mutually connected through a first bus 105. The first bus 105 is a parallel bus to which addresses and data are connected using lines exclusive to them respectively. The first bus master A 101 and the first bus master B 102 transfer data via the first bus 105 to and from the first bridge 103 and the DRAM controller A 104...