| 摘要 |
A bus (2) connects a first unit (1) to further units (3,4,5), and includes a line (21) for a status signal (BS) indicative of the operating state of the bus, and lines (22) for further bus signals (B) in the form of data. A bus control unit (11) controls the access by the first unit to the further units via the bus. If the bus control unit indicates via the status signal line (21) that no access is being made by the first unit to the further units, a data value (RNG) is randomly generated, and supplied to the lines (22) for the further bus signals (B). |
