| 摘要 |
<p>The radio telephone comprises a central unit (1) with microprocessor (10), a remote handset (4) and a customisation module. The unit (1) contains a management board (9) whose data and clock buses are open-sink serial buses whose component-exchange protocol is individual. The microprocessor (10) is connected to the components of the central unit by a semi-custom circuit (12). The customisation module is connected thereto by a line (25) with four ordinary wires, by way of an interface for matching in the handset and of an interface for matching (30) in the central unit (1). For the semi-custom circuit, the customisation memory is in parallel with the bus wires (19, 20) of the semi-custom circuit (12). <IMAGE></p> |
