Building CRC Hardware using Internal Linear Feedback Shift Registers

Описание к видео Building CRC Hardware using Internal Linear Feedback Shift Registers

A cyclic redundancy check is easily implemented using an internal linear feedback register. In this video, we begin with a review of the CRC, show how it is implemented mathematically, and present the hardware with which it can be done.

Timestamps
00:00 | Intro
00:18 | The problem with datasum-based checksums
01:41 | Quick CRC review
02:59 | Demo of how CRC and modulo are related
08:22 | Appending remainder to dividend to make final data stream
14:03 | Demo of two bit errors detected with CRC
15:04 | How Exclusive-OR works when computing CRC
16:32 | How to use a shift register to calculate CRC

Hashtags
#lfsr #shiftregister #crc

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