Honor

What should I do if FIFO is overflowing?

1) Buy a FIFO with bigger capacity. But this method can't solve the problem radically. The better way is improving the efficiency of the system. 2)Use the DMA mode. It can get a quicker speed than the

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2025-02-26

What should I do if FIFO is overflowing?

Time：

2020-06-11

1) Buy a FIFO with bigger capacity. But this method can't solve the problem radically. The better way is improving the efficiency of the system. 2)Use the DMA mode. It can get a quicker speed than the

2025-02-26

How to connect the AGND pin and the DGND pin?

Time：

2020-06-11

Generally speaking, there is Analog Ground (AGND) pin and Digital Ground (DGND) in a data acquisition board. It will make mistakes unless we connect the AGND pin to the system AGND plane and the DGND

2025-02-26

How to distinguish between isolation and shielding?

Time：

2020-02-06

The typical signal isolation is the photoelectric isolation. Using PV isolation to separate the input of the single-chip device from the output of that. On the one hand, interference signals can not enter the single-chip microcomputer system, and on the other hand, the noise of single-chip system itself will not be a way to transfer as conduction. And the shielding is used to isolate the space radiation. As for the part with loud noise such as the switching power supply, you need to cover them up with a metal box, so it can reduce the interference to the single-chip microcomputer system brought by noise sources. As for the analog circuit which is afraid of interference particularly, for example, high-sensitive weak signal amplification circuit could be shielded .But the important point is that metal shielding itself must be connected with the real ground.

2025-02-26

What is the establishment of time?

Time：

2020-02-06

As for D/A, this is described in D/A conversion rate as an important parameter in describing D/A conversion rate, and generally it refers to the period of time when digital input is inputted and analog output stability is within the normal accuracy. As for A/D, because of the importation of electronic switches, amplifiers have a delay. So a change in inputting voltage to the A/D will take some time to be provided for the accuracy and stability.

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