SU1629978A2 - Annular asynchronous distributor - Google Patents

Abstract

The invention relates to a pulse technique and automation and can be used as a multi-phase digital signal generator. The purpose of the invention is to expand the functionality achieved by providing two additional modes of switching output channels. The distributor contains cells 1 consisting of RS-flip-flop 2 on the elements AND-HE 3 and 4, installation bus 5 and reset 6, first 7 and second 8 control buses, first 9 and second 10 output buses, first 11 and second 12 control elements AND-NOT. Additionally, the first 13 and the second 14 buses of the operation mode selection are introduced into the distributor, the first 15 and second 16 inverters, the first 17 and second 18 additional AND NOT elements. 1 ill., Ztabl.

Description

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The invention relates to a pulse technique and automation, can be used as a multiphase generator of digital signals and is an improvement of the invention according to the author. No. 1322452.

The purpose of the invention is to expand the functionality by providing two additional modes of switching output channels.

The drawing shows a functional diagram of the ring asynchronous distributor.

The ring asynchronous distributor contains cells 1, each of which consists of RS-flip-flop 2 on the AND-HE elements 3 and 4, installation bus 5 and reset 6, first 7 and second 8 control buses, first 9 and second 10 output buses, first 11 and the second 12 control elements NAND. Additionally, the first 13 and the second 14 buses of the operation mode selection are introduced into the distributor, the first 15 and second 16 inverters, the first 17 and second 18 additional AND NOT elements.

In tab. Tables 1-3 show switching of output channels in three different modes of operation for the case when the number of output channels is eight.

Ring asynchronous valve works as follows.

For operation in the first mode (Table 1, the potential of the logical unit is supplied to the bus 13 and 14. The initial state in the RS triggers 2 of all the cells of the 1 ring asynchronous distributor is written logical zeroes. Zero logical potential from the output of the second control The IS-NO 12 of the last distributor cell enters the installation bus 5 of the first cell 1 and switches the RS flip-flop 2 to the unit state. On the output bus 9 of the first cell 1 a zero potential is established that goes to the installation bus 5 the second cell 1. This process is repeated for all the cells of the distributor 1. After the RS-flip-flop 2 is set to one, the last cell 1 at the output of its first control element AND-NOT 11 appears the potential of a logical zero that goes to bus 6 reset the first cell 1, set the RS-trigger 2 last to zero

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condition. At the output of the NAND 12 element, a zero logical potential appears, which via the second output bus 10 of the first cell 1 enters the reset bus 6 of the second cell 1. The reset of the RS flip-flops 2 occurs alternately in all the cells of the distributor 1, after which the process repeats .

For the operation of the distributor in the second channel switching mode (Table 2), the potential of logical zero is established on bus 13, and the potential of logical unit on bus 14. In this case, after the next setting of RS-flip-flops into each unit state 2 of all the cells 1 of the ring asynchronous distributor, at the output of the first additional element AND-NE 17 the potential of the logical zero that goes to the additional R-inputs (reset) of the RS-flip-flops appears 2 of all the cells of 1 distributor, set them to zero logical states. In the following, the channel switching process is repeated.

For the operation of the ring asynchronous distributor in the third channel switching mode (Table 3), the potential of the logical unit is applied to the first mode selection bus 13, and a logical zero potential is applied to the second mode select bus 14. In this case, at zero conditions of RS flip-flops 2 of all cells 1 of the distributor, the potential of logical zero appears at the output of the second additional element AND-NOT 18, which is fed to the additional S-inputs (settings) of the RS flip-flops 2 of all cells 1 of the distributor , setting them to single logical states. Subsequently, the RS-flip-flops of 2 all 1 distributor cells are alternately reset and the channel switching process is repeated.

Claims (1)

Invention Formula Ring asynchronous distributor on avt.sv. No. 1322452, characterized in that, in order to expand the functionality by providing two additional switching modes, comprises first and second operating mode selection buses, the first and second inverters, the first and second additional 516 AND-NOT elements, the first mode selection bus is connected to the input of the first inverter and the additional input of the first control element AND-NOT of the last distributor cell, the second bus of operation mode selection is connected to the output of the second inverter and the auxiliary input of the second control element NAND The last cell of the distributor, the output of the first inverter is connected to the first input of the first additional NAND element, the remaining inputs of which are connected respectively to the direct outputs of the distributor triggers, and the output d is connected to the additional R-inputs of these triggers, the output of the second inverter is connected to the first input of the second additional NAND element, the remaining inputs of which are connected respectively to the inverse outputs of the distributor triggers, and the output is connected to the additional S-inputs of the distributor triggers. Table 1 Oh oh 1 1 o o o o o o o o oo about one one one one one one one one about about about about about about о о о о 1 1 1 1 1 t 1 1 о о о о о about about about about 1 1 1 1 1 1 1 1 about about about oh oh oh oh oh 1 1 1 1 1 1 1 1 oh oh oh oh oh oh oh oh 1 1 1 1 1 1 1 1 about o oh oh oh oh oh oh 1 1 1 1 1 1 1 1 o T a b l and it a 2 $ 20 ) $ 25 thirty