About this document
82C55 PPI Overview and Applications by MD Amin is a document available to read on EtoBox.
The 82C55 is a programmable peripheral interface chip that can interface TTL-compatible I/O devices to microprocessors. It has 24 programmable I/O pins grouped into three ports that can operate in three modes to provide input, output, and handshaking signals. The 82C55 is commonly used to interface keyboards and parallel printers to PCs and can interface devices like stepper motors by providing drive signals to control the motor
- Author
- MD Amin
- Language
- EN