Case studies (serial)
RS-232 (IEEE standard)
- serial protocol for point-to-point, low-cost, low-speed applications
- commonly used to connect PCs to I/O devices
I2C (Philips)
- serial bus for connecting multiple components (senders and receivers)
- commonly used in microcontroller-based systems
Ethernet (popularized by Xerox)
- most popular local area network protocol with distributed arbitration
- different versions from 1.5Mbit/sec to 100Mbit/sec
IrDA (Infrared Data Association)
- up to 115kbps wireless serial (Fast IrDA up to 4Mbs)
- standard on all laptops and PDAs, but also in desktop equipment
Firewire (Apple - now IEEE1394)
- 1.6Gbytes/sec
- consumer electronics (video cameras, TVs, audio, etc.)