8051 Microcontroller Peripheral Interfacing: RTC, Sensors, and Communication Protocols

DS1302 Real-Time Clock Implementation The DS1302 communicates via a three-wire synchronous serial interface consisting of Clock (CLK), Data (IO), and Chip Enable (CE) lines. The device stores time data in Binary-Coded Decimal (BCD) format, requiring conversion for standard decimal display. BCD Conversion Logic: Decimal to BCD: bcd_value = (dec ...

Posted on Sat, 12 Sep 2026 16:22:53 +0000 by 3rve