The Texas InstrumentsMSP430 family of ultralow-power microcontrollers consists of several devices featuring different sets of peripherals targeted for various applications. The architecture, combined with five low-power modes, is optimized to achieve extended battery life in portablemeasurement applications. The devices feature a powerful 16-bit RISC CPU, 16-bit registers, and constant generators that contribute to maximum code efficiency.The digitally controlled oscillator (DCO) allows wake-up from low-power modes to active mode in less than 6µs.
The MSP430F471xx series are microcontroller configurations targeted to single-phase and poly-phase electricity meters with three, six, or seven 16-bit sigma-delta A/D converters. Each channel has a differential input pair and programmable input gain. Also integrated are two 16-bit timers, four universal serial communication interfaces (USCI), DMA, 68 I/O pins, and a liquid crystal driver (LCD) with integrated contrast control.
| Frequency (MHz) | 16 |
| Nonvolatile memory (kByte) | 116 |
| RAM (kByte) | 8 |
| ADC type | 16-bit Sigma Delta |
| Number of ADC channels | 3 |
| Number of GPIOs | 72 |
| Features | Advanced sensing, LCD, Real-time clock |
| UART | 2 |
| USB | No |
| Number of I2Cs | 2 |
| SPI | 4 |
| Number of comparator channels | 2 |
| Timers - 16-bit | 2 |
| Bootloader (BSL) | UART |
| Operating temperature range (°C) | -40 to 85 |
| Rating | Catalog |
| LQFP (PZ) | 100 | 256 mm² 16 x 16 |
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