The MSP430x43x1, MSP430x43x, MSP430x44x is a low-power mixed-signal microcontroller from Texas Instruments with a supply voltage range of 1.8V to 3.6V, ultralow-power consumption of 280μA at 1MHz, and 5 power-saving modes that can wake up from standby mode in less than 6 microseconds.
The MSP430x43x1, MSP430x43x and MSP430x44x are mixed‑signal microcontrollers from Texas Instruments. They feature a 16‑bit RISC CPU, low‑power operation modes, 12‑bit ADC, on‑chip comparator, two USARTs and up to 48 I/O pins.
The document provides electrical specifications, functional block diagrams, pin‑designation tables for various QFP packages, mechanical drawings and packaging options such as 80‑pin and 100‑pin plastic QFPs.
| Supply voltage range | 1.8 V to 3.6 V |
|---|---|
| Active mode current (1 MHz, 2.2 V) | 280 µA |
| Standby mode current | 1.1 µA |
| Off mode (RAM retention) current | 0.1 µA |
| ADC resolution | 12‑bit |
| Timer_B capture/compare registers | 3 or 7 |
The devices operate from 1.8 V up to 3.6 V.
Each device provides 48 general‑purpose I/O pins.
Available packages include plastic 80‑pin QFP, plastic 100‑pin QFP, and various pin‑grid (PN) and pin‑grid‑Z (PZ) versions.