Baud

Understanding Baud Rate

Understanding Baud Rate

The baud rate is the rate at which information is transferred in a communication channel. Baud rate is commonly used when discussing electronics that use serial communication. In the serial port context, "9600 baud" means that the serial port is capable of transferring a maximum of 9600 bits per second.

  1. What does a baud rate of 115200 mean?
  2. How fast is 9600 baud rate?
  3. What is a good baud rate?

What does a baud rate of 115200 mean?

baud 115200 means 115200 bits per second only if each baud = 1 bit. If each baud is 5 bits, then having baud 115200 means a bit rate of 115200 * 5 bits per seconds.

How fast is 9600 baud rate?

At 9600 baud, the bit time is about 104 microseconds which makes each character sent take 1.04 milliseconds. This corresponds to a transfer rate of about 960 bytes per second.

What is a good baud rate?

One of the more common baud rates, especially for simple stuff where speed isn't critical, is 9600 bps. Other "standard" baud are 1200, 2400, 4800, 19200, 38400, 57600, and 115200. The higher a baud rate goes, the faster data is sent/received, but there are limits to how fast data can be transferred.

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