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Fine-grained programmable sequential control logic module

A timing control and logic module technology, which is applied in the field of fine-grained programmable timing control logic modules, can solve problems such as many constraints, and achieve the effects of reducing failure rates, simple regulation, and efficient regulation

Active Publication Date: 2019-07-16
EHIWAY MICROELECTRONIC SCI & TECH SUZHOU CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the user needs part of BLE to be triggered by rising edge and part to be triggered by falling edge, it is necessary to pack these two parts of BLE into different LCs, and there are many restrictions.

Method used

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  • Fine-grained programmable sequential control logic module
  • Fine-grained programmable sequential control logic module
  • Fine-grained programmable sequential control logic module

Examples

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no. 1 example

[0045] In a first exemplary embodiment of the present disclosure, a fine-grain programmable timing control logic module is provided.

[0046] figure 2 It is a schematic structural diagram of a fine-grained programmable timing control logic module according to the first embodiment of the present disclosure.

[0047] refer to figure 2 As shown, the fine-grained programmable timing control logic module of the present disclosure includes: a programmable clock module, located on the internal clock path of the register in each programmable logic unit, and the register in a certain programmable logic unit does not meet the settling time In the case of setup and / or hold time, the programmable clock module of the internal clock path performs delay compensation to the register corresponding to the occurrence to meet the setup time and / or hold time.

[0048] In this example, if figure 2 As shown, the structure of a programmable logic unit is illustrated. The programmable logic unit...

no. 2 example

[0070] In a second exemplary embodiment of the present disclosure, a fine-grain programmable timing control logic module is provided. The fine-grained programmable timing control logic module of this embodiment is further optimized on the basis of the first embodiment.

[0071] Figure 9It is a schematic structural diagram of a fine-grained programmable timing control logic module according to the second embodiment of the present disclosure.

[0072] refer to Figure 9 As shown, in this embodiment, based on the structure of the first embodiment, a logic gate is provided at the control end of the register, and the logic gate is controlled by the SRAM to shield unnecessary control signals.

[0073] In this embodiment, the register is simultaneously controlled by the synchronous clear signal, the asynchronous clear signal, the synchronous number setting signal and the asynchronous number setting signal.

[0074] In some embodiments of the present disclosure, when among multipl...

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Abstract

A fine-grained programmable sequential control logic module comprises a programmable clock module located on an internal clock path of a register in each programmable logic unit, and in the case thata certain register does not meet the setup time and / or the holding time, the programmable clock module of the internal clock path performs delay compensation on the register corresponding to the occurrence condition so as to meet the setup time and / or the holding time. The fine-grained programmable sequential control logic module achieves the fine-grained programming of each programmable logic unit, has good flexibility, meets the sequential requirement of a user circuit, reduces the failure rate caused by unsatisfied establishment time and / or retention time, and improves the performance and the stability of a circuit system.

Description

technical field [0001] The disclosure belongs to the technical field of digital integrated circuits, and relates to a fine-grained programmable timing control logic module. Background technique [0002] FPGA is a general-purpose logic circuit, and it is called the three general-purpose signal processing devices together with CPU and DSP. With the advantages of high flexibility, high parallelism, and low development risk, it has been widely used in industrial control, aerospace, communications, automotive electronics, data centers, intelligent processing and other fields, and occupies more and more market shares. As a programmable device, FPGA consists of a programmable logic block (Configurable Logic Block, CLB), programmable interconnect resources (ReconfigurableRouting, RR), programmable input and output modules (Reconfigurable IO module), embedded IP (block memory, DSP, etc.) and so on. Among them, the programmable logic module is the core of the FPGA, and the general l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/042
CPCG05B19/0423G05B2219/24215
Inventor 高丽江韦援丰夏金军蔡刚魏育成杨海钢
Owner EHIWAY MICROELECTRONIC SCI & TECH SUZHOU CO LTD
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