| 摘要 |
The method and system for data transfer between the master device and the slave device through the bus. It includes arbitrating the requests of bus usage from the master device; the master device obtained the authorization by arbitrating transfers the data of the flow bursts, and transmits the bus-mastering signal to the bus at the same time; when the bus-mastering signal is judged to be CONT signal, the data transfer operation of segment burst for data transfer of current flow burst is continued; when the bus-mastering signal is judged to be SAME signal or DIFF signal, it is checked if there is a new bus request with higher level from other master devices; when a new bus request with higher level from other master devices is detected, such request and the next segment burst request in the data transfer operation of flow burst of the current master device are arbitrated; the master device obtained authorization by arbitrating performs data transfer first; when the bus-mastering signal is judged to be a LAST signal, it returns to the initial operation.
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