ST7 FAMILY PROGRAMMING MANUAL, introduces the ST7 series microcontrollers' architecture, functions and usage methods. The ST7 series microcontrollers are based on an industry-standard 8-bit core and a library of peripheral modules, including ROM, EPROM, RAM, EEPROM, I/O, serial interfaces (SPI, SCI, I2C,.), 16-bit timers, etc. These blocks can be assembled in various combinations in order to provide cost-effective solutions for application dedicated products.