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    • 8. 发明申请
    • METHOD OF TRANSFERRING DATA IN AN ELECTRONIC CIRCUIT, ELECTRONIC CIRCUIT AND RELATING DEVICE
    • 在电子电路中传输数据的方法,电子电路及相关设备
    • WO2003019395A1
    • 2003-03-06
    • PCT/IT2002/000549
    • 2002-08-26
    • TELECOM ITALIA LAB S.P.A.BRAGAGNINI, AndreaGARINO, PerangeloTUROLLA, MauraVARRIALE, Antonio
    • BRAGAGNINI, AndreaGARINO, PerangeloTUROLLA, MauraVARRIALE, Antonio
    • G06F13/28
    • G06F13/28
    • The present invention is related to a method of transferring data in an electronic circuit (10) incorporating a control unit or CPU (21), first circuit blocks (41) and second circuit blocks (61) interconnected by means of a BUS (24). The method and the relating circuit envisage the use of interface devices (45a) and/or (45b), associated to respective circuit blocks, and capable of managing the direct transfer of data from the first block (41) to the second block (61), or vice-versa, without the control by the CPU (21) during such a transfer. For the purpose of this method, and relating circuit (101), interface device (45a) must be, able to intercept control commands issued by CPU (21) and to directly manage the data transfer from the first block (41) to the second block (61) .Thus, the method and the circuit (101), and the interface device (45a) make it possible to considerably reduce the load of CPU 21, BUS 24 and electronic circuit (101) as well.
    • 本发明涉及一种在包含控制单元或CPU(21)的电子电路(10)中传送数据的方法,通过BUS(24)互连的第一电路块(41)和第二电路块(61) 。 该方法和相关电路设想使用与相应电路块相关联的接口设备(45a)和/或(45b),并且能够管理数据从第一块(41)到第二块(61)的直接传送 ),反之亦然,而在这种传送期间没有CPU(21)的控制。 为了该方法和相关电路(101),接口装置(45a)必须能够拦截由CPU(21)发出的控制命令并且直接管理从第一块(41)到第二块 因此,该方法和电路(101)以及接口装置(45a)也可以显着地降低CPU21,BUS24和电子电路(101)的负载。