The Texas Instruments MSP430F6769AIPZ is a 16-bit microcontroller with a 25 MHz core, 512 KB Flash, 32 KB RAM, and peripherals including a 6-channel 24-bit sigma-delta ADC, LCD driver, DMA, and serial interfaces (I²C, SPI, UART/USART, IrDA, LIN).
Six 24-bit sigma-delta ADCs — the metrology core
The six 24-bit sigma-delta converters enable simultaneous voltage and current sensing on three phases, plus neutral.
25 MHz CPUXV2 — timing headroom for real-time loops
The 25 MHz core provides margin to run the metrology algorithm, LCD refresh, and communication stack within a single interrupt cycle. The 16-bit word width is efficient for accumulator-heavy math.
Rated for -40°C to 85°C operation with a supply range of 1.8 V to 3.6 V, the MSP430F6769AIPZ fits designs that must survive cold-start in outdoor enclosures or hot factory-floor cabinets. The brown-out detect and POR ensure deterministic reset behaviour across the full voltage and temperature envelope.