Plan:

• introduction
• simple parallel interfaces
• SCI
• SPI
• CAN
• OneWire
• I2C

Interface

• equipment or programs designed to communicate information from one system of computing devices or programs to another
• any arrangement for such communication

ISO/OSI

Types of interfaces

• Software

• Hardware

• Serial (UART/USART, SCI, SPI...)

• Parallel

  • 4 bit
  • 8 butt
  • 16 bit
  • ...

Simple parallel interfaces

SRAM interface - parallel, variable bus width, auxiliary address bus