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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 7. Отображено 7.
23-05-2023 дата публикации

High-precision delay clock generation circuit and chip

Номер: CN116155246A
Автор: LIU SHUAI, HE DAIMING
Принадлежит:

The invention discloses a high-precision delay clock generation circuit and a chip. The delay clock generation circuit comprises a clock delay chain unit, a delay clock output unit, an original clock output unit and a gating control unit. Wherein the external given clock signal port is connected with the input ends of the clock delay chain unit and the original clock output unit; a plurality of output ends of the clock delay chain unit are correspondingly connected with a plurality of input ends of the delay clock output unit respectively, and an output end of the delay clock output unit is connected with a first output end of the delay clock generation circuit; the output end of the original clock output unit is connected with the second output end of the delay clock generation circuit; the external system control signal port is connected with the input end of the gating control unit, and the output end of the gating control unit is connected with the control ends of the delay clock output ...

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Номер записи: 1
23-06-2023 дата публикации

Device and method for realizing quick transmission of direct memory access

Номер: CN116303174A
Автор: LIANG WEIJIE, HE DAIMING, LI CHENGWU, XU JIASHUAI
Принадлежит:

The invention discloses a device and a method for realizing quick transmission of direct memory access. The device comprises a request arbitration module, a transmission control module, a configuration register and an interrupt control module. Wherein the request arbitration module receives a request signal of external equipment, an arbitration enable signal and a response enable signal of the transmission control module, and a configuration signal of a configuration register, sends channel configuration information and a transmission ending signal to the transmission control module, and sends a confirmation signal to the external equipment; the transmission control module receives a transmission state signal sent by the high-level high-performance bus and sends a read-write signal to the high-level high-performance bus; the configuration register receives a read-write signal, sent by the CPU, of the advanced high-performance bus and sends an interrupt enabling and clearing signal to the ...

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Номер записи: 2
16-11-2011 дата публикации

Method, system and device for decoding command of chip

Номер: CN0102243578A
Автор: DAIMING HE, HE DAIMING
Принадлежит:

The invention discloses a method for decoding a command of a chip. The method comprises the following steps of: receiving a control command from a chip interface, wherein the control command is a microprogram comprising a plurality of micro instructions and has corresponding chip memory entry addresses; and extracting the chip memory entry addresses one by one and performing the micro instructions in the microprogram of the control command until the microprogram of the control command is terminated. By the invention, the design of a logic decoding circuit in the chip can be simplified, and the modifiability and the expandability of decoding operation can be enhanced.

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Номер записи: 3
16-05-2023 дата публикации

High-precision delay clock calibration circuit and chip

Номер: CN116131821A
Автор: LIU SHUAI, HE DAIMING
Принадлежит:

The invention discloses a high-precision delay clock calibration circuit and a chip. The delay clock calibration circuit comprises a pulse expansion unit, a delay time detection unit and a calibration state machine logic unit. Wherein an external original clock signal input port and a delay clock signal input port are respectively connected with two input ends of the pulse expansion unit, and an output end of the pulse expansion unit is connected with an input end of the delay time detection unit; the control ends of the pulse expansion unit and the delay time detection unit are respectively connected with the control end of the calibration state machine logic unit, and the other control end of the calibration state machine logic unit is connected with an external delay clock circuit. The delay clock calibration circuit can realize real-time measurement and calibration of the delay clock to be calibrated, so that delay clock signals in a digital circuit system can be prevented from drifting ...

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Номер записи: 4
02-05-2023 дата публикации

Device and method for improving stability of built-in audio bus slave of integrated circuit

Номер: CN116049072A
Автор: LIANG WEIJIE, HE DAIMING, YE HAIRONG, JIA YINGYING, HAO YU
Принадлежит:

The invention discloses a device and a method for improving the stability of a built-in audio bus slave of an integrated circuit. The device comprises a frame synchronization module, a bit counter, an error frame detection module, a shift register, a data control module and a received/sent data caching module. Wherein the frame synchronization module receives a clock signal and left and right sound channel signals sent by a host, and sends a frame synchronization signal to the bit counter; the bit counter receives a clock signal sent by the host and a frame synchronization signal sent by the frame synchronization module, and sends counting data to the error frame detection module and the data control module; the error frame detection module receives left and right sound channel signals sent by the host and counting data sent by the bit counter, and sends frame error signals to the outside. According to the method, the bit counter is reset through the frame synchronization signal, so that ...

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Номер записи: 5
16-05-2023 дата публикации

Pulse signal width detection circuit and chip

Номер: CN116125148A
Автор: LIU SHUAI, HE DAIMING
Принадлежит:

The invention discloses a pulse signal width detection circuit and a chip. The pulse signal width detection circuit comprises an integer width capture unit, a precision width capture unit and an arithmetic unit. Wherein the input end of the pulse signal to be measured and the input end of the clock signal are respectively connected with the integer width capturing unit and the precision width capturing unit, and the output ends of the integer width capturing unit and the precision width capturing unit are respectively connected with the arithmetic unit. According to the pulse signal width detection circuit, through the technical scheme that a plurality of sampling logic modules are formed by adopting delay clock signals and edge extraction is carried out by adopting a logic circuit, rapid capture and high-precision width detection of pulse signals to be detected are realized.

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Номер записи: 6
09-06-2023 дата публикации

High-precision PWM pulse generation circuit and chip

Номер: CN116248084A
Автор: LIU SHUAI, HE DAIMING
Принадлежит:

The invention discloses a high-precision PWM pulse generation circuit and a chip. The PWM pulse generation circuit comprises a PWM pulse group unit, an output logic unit and a precision control unit. Wherein the input ports of one group of delay clock signals are respectively and correspondingly connected with one group of input ends of the PWM pulse group unit, the input port of the first control signal is connected with the control end of the PWM pulse group unit, and one group of output ends of the PWM pulse group unit are respectively and correspondingly connected with the first group of input ends of the output logic unit; an input port of a second control signal is connected with an input end of the precision control unit, a group of output ends of the precision control unit are correspondingly connected with a second group of input ends of the output logic unit respectively, and an output end of the output logic unit is connected with an output end of the PWM pulse generation circuit ...

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Номер записи: 7