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JPH0320932B2 |
PURPOSE:To generate a cyclic code of an optional bit length by initializing an address counter and quickening the timing of a load based on each detection value of an address counter value of a memory and a serial output data value. CONS...
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JPH0359475A |
PURPOSE: To shorten a data transfer time to 2/N at the time of scan-in/out operation and to 1/N when data are scanned in the same register group after being scanned out by dividing a scan path equally by N into the same number of bits. C...
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JPH0312494B2 |
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JPH0311036B2 |
A serial input/output device includes a CMOS shift register having a plurality of D-type flip-flops. A detection circuit is associated with the CMOS shift register in order to detect whether the transfer data exists in the CMOS shift reg...
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JPH0319525A |
PURPOSE: To prevent the degradation in the accuracy of a reception data by converting a clock into a parallel signal with a tapped shift register to obtain a mask data and using the mask data to clear the invalid data bit of an input dat...
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JPH0318126A |
PURPOSE: To prevent data from being destroyed owing to the overlap of an output by delaying a start signal for a precedent-stage IC for parallel/serial conversion and thus obtaining a start signal for a cascaded trailing-stage IC. CONSTI...
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JPH0310520A |
PURPOSE: To eliminate the need for monitoring a DMC for each coding processing by applying DMA (dynamic memory access) input only to an area designated in a RAM. CONSTITUTION: An input output control section 63 outputting a control signa...
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JPH0262982B2 |
PURPOSE:To stably operate without avoiding the super-position of asynchronous write/read operation, by using a time required for parallel convertion of digital data transmitted for each bit serially. CONSTITUTION:By using a counter 20 ca...
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JPH02141136U |
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JPH02281817A |
PURPOSE: To execute the half duplex communication in an interface using serial/ parallel data for inputting and outputting by providing a tri-state buffer on a series-parallel signal input/output part. CONSTITUTION: This circuit is provi...
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JPH02137133U |
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JPH02253240A |
PURPOSE:To provide the shift register which can shift two-dimensional parallel data on a single circuit by providing a polarizer matrix inputted with the light data form light sources and flip-flops which are inputted with the data form ...
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JPH02248119A |
PURPOSE: To attain low power consumption of the system by sequentially turning on the power supply of INF circuits during converting operation. CONSTITUTION: Switching sections A1-2-An-2 applying on/off control of power supply to INF sec...
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JPH02246426A |
PURPOSE: To prevent the production of an erroneous flag by applying a hazard to shift registers of n-stage and using an AND means so as to AND an output of a pre-stage and an output of a final stage. CONSTITUTION: A circuit generating a ...
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JPH02239728A |
PURPOSE: To detect an abnormality of a serial transfer line automatically by connecting a 2nd set of serial/parallel conversion means to a 1st set of serial/ parallel conversion means serially and connecting an output of the 2nd set of s...
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JPH02238722A |
PURPOSE: To eliminate the need for any gate IC by extracting a load pulse, that is, a pulse having a pulse width corresponding to one period of a reference pulse at each period being a multiple of 4 of a period of a reference pulse. CONS...
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JPH02239727A |
PURPOSE: To automatically detect a fault of a serial transmission line by connecting a shift output terminal of a serial/parallel conversion means to a data output control means controlling data input/output of a parallel/serial conversi...
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JPH02237224A |
PURPOSE: To reduce power consumption and cost without damaging a processing speed by installing an ECL(emitter coupled logic) type circuit and a TTL (transistor transistor logic) type circuit. CONSTITUTION: Respective conversion circuits...
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JPH02222219A |
PURPOSE: To reduce the number of ICs built in a connector with a circuit constitution by constituting a circuit such that the signals are inputted respectively from many parallel signal input/output terminals and the signals are respecti...
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JPH02209048A |
PURPOSE: To avoid misrecognition of start and stop conditions and to attain stable serial transmission by making a pulse width of a serial clock(SCL) whose noise is eliminated by a noise eliminating circuit narrow by means of a waveform ...
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JPH02206228A |
PURPOSE: To detect the bit error of a normal transmission line with a parity bit by sending the parity bit from a transmission side equipment together with parallel data, applying parity check at a reception side equipment and controllin...
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JPH0234395B2 |
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JPH02194735A |
PURPOSE: To generate a sampling signal giving the appropriate timing of sampling by comparing a time which a sampling timing measuring means has measured with a prescribed sampling timing set point. CONSTITUTION: Whenever there is a chan...
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JPH02193362A |
PURPOSE:To evaluate the effect onto accurate jitter by generating a bit clock having a jitter whose variance is close to the Gaussian distribution from a bit clock without jitter. CONSTITUTION:A digital input signal fed to a serial/paral...
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JPH0233212B2 |
PURPOSE:To obtain a high speed parallel-serial converting circuit with economical constitution by using a shift register and a D flip-flop operated with a clock signal of a period 2T being twice the period T in which one bit of a video s...
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JPH02189031A |
PURPOSE: To simplify the constitution by outputting an inputted clock signal as a serial pulse code while a decimal signal is advanced stepwise in a shift register. CONSTITUTION: A signal storage means 300 stores decimal signals d1-dn co...
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JPH02188030A |
PURPOSE: To simplify a circuit and to improve reliability by forming a marker signal based on a reference signal and also forming a window signal based on the output of the number system base-(n) counter, a converting serial data into pa...
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JPH02183631A |
PURPOSE: To reduce the wiring area of a serial/parallel conversion circuit consisting of an integrated circuit by employing a signal wire serving also as a data signal wire for serial data input and a control signal wire for control sign...
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JPH0231897B2 |
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JPH02179032A |
PURPOSE: To reduce the circuit scale with simple constitution by providing a parallel input serial output shift register having an input terminal, an inverting circuit and a timing circuit and applying the parallel serial conversion and ...
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JPH0229268B2 |
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JPH02166835A |
PURPOSE: To facilitate the replacement of data within a time slot or the replacement of the time slot by controlling read-out data by writing serial plural time slot data in a memory and reading it through an address control memory. CONS...
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JPH02164131A |
PURPOSE: To surely output a burst data by adopting the constitution such that a synchronizing pulse and an operation clock are received and a time slot of an effective data is identified by using a counter. CONSTITUTION: After a tetral c...
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JPH02157860A |
PURPOSE: To speed up the switching of an energizing condition, and to prevent the complexity of a controller or hardware by providing plural output control means, and connecting them mutually in parallel. CONSTITUTION: A parallel/serial ...
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JPH0225209B2 |
PURPOSE:To simplify the input/output control to a distant place by performing directly a direct input/output action with the serial data converted into a format mode. CONSTITUTION:The data (b) is supplied from a serial data input termina...
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JPH0225208B2 |
A serdes device includes circuitry for loading or reading bit configurations into or out of strings of latches of variable length nk+r, where n is the number of bits in a byte, k is the number of whole bytes and r is the number of residu...
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JPH0219870Y2 |
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JPH0223891B2 |
1. Error testing and diagnostic device for an electronic data processing system having at least one processor, one main storage and one maintenance and service processor or tester interconnected by a fast system bus, wherein a serial tes...
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JPH02135825A |
PURPOSE: To eliminate the need for a means counting the number of data inputted to a shift register by deciding the number of inputs of serial data to the shift register based on a change in the data outputted from the shift register att...
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JPH02135824A |
PURPOSE: To reduce the number of input and output pins of an integrated circuit by outputting sequentially signal outputted from a 1st integrated circuit to a 2nd integrated circuit and a signal being the result of retarding the output s...
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JPH02131023A |
PURPOSE: To simplify a circuit constitution by sending a specific pattern prior to sending a parallel data, identifying a time slot from a specific pattern received at a reception side equipment and sending an n-bit parallel data through...
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JPH02113650A |
PURPOSE: To realize a parallel/serial data conversion at high reliability by constituting a selecting circuit so as to selectively operate with delaying by ≥one clock of a clock frequencies nF, and inserting a delay circuit to a signal...
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JPH02107023A |
PURPOSE: To prevent an unsettlement of parallel-to-sereial converter output in the transient time zone in which the supply voltage decreases by simultaneously inputting constant voltages to a parallel-serial converter in parallel when a ...
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JPH0298728A |
PURPOSE: To substantially shorten a fall-through time without the need to decrease storage capacity by providing an input control means for input from respective arrays which is coupled with respective input means and use a 1st logical f...
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JPH0292024A |
PURPOSE: To reduce the circuit scale by storing a specific data tc each flip-flop of a shift register, inputting a serial clock signal and a serial data, shifting them and detecting whether a prescribed bit number of the serial data is i...
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JPH0289425A |
PURPOSE: To simplify circuit constitution by allowing one shift register to cover both a function of an input side shift register and an output side shift register. CONSTITUTION: An input serial data is inputted to an S1 terminal of 1st ...
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JPH0287829A |
PURPOSE: To constitute a shift register of one two-input data selecting circuit and one storage circuit by delaying a supplied reference clock to generate a different shift clock. CONSTITUTION: A parallel-serial data converting part 1 co...
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JPH0260233A |
PURPOSE: To deal with a system having any format by permitting a bit counter length register to designate a bit length to be P/S(parallel serial) converted, comparing it with the value of a counter and generating the timing of the set of...
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JPH0248863A |
PURPOSE:To reduce number of input/output terminals for signal processing by applying parallel/serial conversion to a video signal at an input stage of a semiconductor memory, applying serial/parallel conversion to the signal at an output...
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JPH0234040A |
PURPOSE: To realize data transfer with an integrated circuit network consisting of 2 systems or above with different data transfer speed by providing a general- purpose input/output terminal selected by a selector to receive a timing clo...
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