| 摘要 |
A signal distribution system includes a plurality of functional blocks, at least one bus signal distribution block, at least one bus, and a bus control circuit. The functional blocks are divided into a plurality of groups each of which receives bus signals of the same type. The bus signal distribution block distributes a bus signal received from a transmission source functional block to a transmission destination functional block. The bus is connected between the bus signal distribution block and the functional blocks and has division buses arranged in units of groups of the functional blocks. The bus control circuit controls the bus signal distribution block to select one of the division buses connected to a transmission destination group on the basis of an address signal received from the transmission source functional block and transmit the received bus signal to the transmission destination functional block in the transmission destination group through the selected division bus.
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