CIRCUIT SYSTEM WITH A PRINTED BOARD COMPRISING A PROGRAMMABLE MEMORY ELEMENT

摘要

Circuit systems with programmable memory elements are used for executing certain functions in circuit engineering. Said functions are defined by data which is stored in the memory elements and can be modified by reprogramming the memory elements. The inventive circuit system prevents unauthorized reprogramming of the memory elements by arranging at least one connection of the memory element, which is used for programming said memory element, and each strip conductor of the printed board, which is connected to said connection, in a concealed manner in such a way that it is impossible to contact said connection and the strip conductor that is connected thereto in a nondestructive manner. The invention applies to control devices for motor vehicles.