RL78/I1C microcontrollers feature integrated functions for high precision smart electricity metering, such as 24-bit Delta-Sigma A/D operation, AES H/W integration, up to 256 KB flash line-up, a 32-bit MAC (Multiply and Accumulation) function, independent power supply for RTC and enhance battery pin (Vbat) function for AC-off operation, and Hardware zero cross detection. Performance is enhanced with a high temperature coefficient internal reference voltage. A segment LCD driver supports 8-COM.
- CPU: RL78 core, Max. 32MHz
- Voltage: 1.7V to 5.5V
- Package: 64 to 100-pin QFP
- Memory: SRAM Max. 16KB, Program Flash Max. 256KB