The MSP430 incorporates a 16-bit RISC CPU, peripherals, and a flexible clock system that interconnect using a von-Neumann common memory address bus (MAB) and memory data bus (MDB). Partnering a modern CPU with modular memory-mapped analog and digital peripherals, the MSP430 offer solutions for demanding mixed-signal applications.
Key features of the MSP430x2xx family include:
Ultralow-power architecture extends battery life
0.1-μA RAM retention
0.8-μA real-time clock mode
250-μA / MIPS active
High-performance analog ideal for precision measurement
Comparator-gated timers for measuring resistive elements
16-bit RISC CPU enables new applications at a fraction of the code size.
Large register file eliminates working file bottleneck
Compact core design reduces power consumption and cost
Optimized for modern high-level programming
Only 27 core instructions and seven addressing modes
Extensive vectored-interrupt capability
In-system programmable Flash permits flexible code changes, field
upgrades and data logging

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MSP430x2xx Familu User's Guide.pdf