MSP430F123IPW

8 MHz MCU with 16KB Flash, 512B SRAM, 10-bit ADC, I2C/SPI/UART, comparator, 144 seg LCD

Single-phase metering SoC with 3 Sigma-Delta ADCs, LCD, real-time clock, 128KB Flash, 8KB RAM

16 MHz MCU with 32KB Flash, 1KB SRAM, 10-bit ADC, 2 OpAmp, I2C/SPI/UART