Method and circuit arrangement for transmitting binary signals b

Details Method and circuit arrangement for transmitting binary signals b Method and circuit arrangement for transmitting binary signals b

1981-01-27

1983-09-13

Nusbaum, Mark E.

Boots, shoes, and leggings

G06F 900

Patent

active

044046502

ABSTRACT:
A method and a circuit arrangement are disclosed for transmitting binary signals between peripheral units which are connected to one another via a central bus line system. The signal transmission is to take place without the necessity of including a central processor, which is likewise connected to the central bus system. For this purpose, it is provided that signal transmission requests from the individual peripheral units are transmitted to a memory access device which is also connected to the central bus line system and which, in response to the receipt of such transmission request, de-activates the central processor in respect of the transmission of signals to the central bus line system. The memory access device supplies the peripheral units which are to participate in a signal transmission operation with control signals which transform the latter from a starting state into a transmitting state or into a receiving state and then, in alternation with control signals which serve for the output and receipt of signal groups. Following the transmission of the last signal of the number of signals reported to the memory access device in respect of a signal transmission operation, the memory access device supplies the peripheral units with a reset signal by which the same are returned from their transmitting and receiving states into their starting states.

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