| 摘要 |
An IP database (30) includes a system level IP (31) used in system level design. IPs A and B in the system level IP (31) are divided into processing algorithm description portions (33A and 33B), input data structure definition portions (34A and 34B) and output data structure definition portions (35A and 35B). When a communication channel is provided between the IPs communicating data in architecture or functional design, a conversion circuit generating means (36) generates a data conversion circuit between the communication channel and each of the IPs with reference to the IP database (30). <IMAGE>
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