The Application Study of Real Time Clock X1203 in Single-Chip System
This article gives a general description of integrated chip Real Time Clock/Calendar--X1203, which is produced by Xicor Co.. The article shows the basic functionality of the chip, and presents several important parts of its communication protocol, especially the valid start and stop conditions, valid data changes, and the "Acknowledge: protocol. An application is given in an AT89C51 Single-Chip system.