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MSP430 Main characteristics

Module by: Pedro Dinis, António Espírito Santo, Bruno Ribeiro. E-mail the authors

MSP430 Main characteristics

Although there are variants in devices in the family, a MSP430 microcontroller can be characterized by:

- Low power consumption:

  • 0.1 μA for RAM data retention;
  • 0.8 μA for real time clock mode operation;
  • 250 μA/MIPS at active operation.

Low operation voltage (from 1.8 V to 3.6 V).

< 1 μs clock start-up.

< 50 nA port leakage.

Zero-power Brown-Out Reset (BOR).

On-chip analogue devices:

  • 10/12/16-bit Analogue-to-Digital Converter (ADC);
  • 12-bit dual Digital-to-Analogue Converter (DAC);
  • Comparator-gated timers;
  • Operational Amplifiers (OP Amps);
  • Supply Voltage Supervisor (SVS).

16 bit RISC CPU:

  • Instructions processing on either bits, bytes or words;
  • Compact core design reduces power consumption and cost;
  • Compiler efficient;
  • 27 core instructions;
  • 7 addressing modes;
  • Extensive vectored-interrupt capability.

Flexibility:

  • Up to 256 kB In-System Programmable (ISP) Flash;
  • Up to 100 pin options;
  • USART, I2C, Timers;
  • LCD driver;
  • Embedded emulation.

The microcontroller’s performance is directly related to the 16-bit data bus, the 7 addressing modes and the reduced instructions set, which allows a shorter, denser programming code for fast execution. These microcontroller families share a 16-bit CPU (Central Processing Unit) core, RISC type, intelligent peripherals, and flexible clock system that interconnects using a Von Neumanncommon memory address bus (MAB) and memory data bus (MDB) architecture.

Figure 1
MSP430 architecture.
MSP430 architecture. (graphics1.jpg)

Request the MSP430 Teaching ROM Materials here https://www-a.ti.com/apps/dspuniv/teaching_rom_request.asp

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