Description
4 Functional Block Diagram 4 Specifications 5 Energy Metering 5 Analog Peripherals 6 Digital Interface 7 Timing Specifications 9 Absolute Maximum Ratings 14 Thermal Resistance 14 ESD Caution 14 Pin Configuration and Function Descriptions 15 Typical Performance Characteristics 17
Features
- 8052-based core Single-cycle 4 MIPS 8052 core 8052-compatible instruction set 32.768 kHz external crystal with on-chip PLL Two external interrupt sources External reset pin Low power battery mode Wake-up from I/O, alarm, and universal asynchronous receiver/transmitter (UART) LCD driver operation Real-time clock Counter for seconds, minutes, and hours Automatic battery switchover for RTC backup Operation down to 2.4 V Ultralow battery supply current: 1.5 μA Selectable output frequency: 1 Hz to 16.