Serial Communication

Serial Communication

1. Serial Communication Yong Heui Cho @ Mokwon University Some of slides are referred to: [ 1 ] Sabatiana , Maulina , Nugraha , Serial Data Communication , slideshare .

2. Basic Computer Design 10. Role of CPU 11. CPU and Software 12. Analog and Digital I/O 13. Serial Communication

3. Communication Both the receiver and the transmitter must agree on a number of different factors to allow successful communications between them, the most important being: protocols 3 □ Courtesy to Serial Data Communication, slideshare . SOURCE RECEIVER COMMUNICATION LINK

4. Transmission Mode 4

5. Data Format Data is usually arranged in a particular format, with additional information added so that the message can be effectively transmitted and understood at the receiving end. In summary, the optional settings for asynchronous transmission of characters are: Start bits 1 Data bits 5, 6, 7, 8 Parity bits even, odd, mark, space or none Stop bits 1, l½ or 2 As there cannot be half a bit, 1½-stop bits means that the mark length is 50% longer than for one stop bit . 5

6. RS-232C Interface 6

7. RS-485 Interface 7

8. Comparison 8