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MSP430L092 Introduction Slide 5

As mentioned in the previous slide, the L092 has achieved a new low power number for active mode, specifically, in active modes with all oscillators and clocks running. It consumes on average 45µA per MHz. When the CPU is turned off, both oscillators and clocks are still running in LPM0. This number significantly drops down to 8.3µA. It is also an extremely low number considering that several peripherals such as timers, PWMs or even the Analog Pool can still operate at high speed, source from the high frequency oscillator and benefit from this low power. The LPM3 and LPM4 numbers are also comparable to TI’s existing MSP430 devices with RAM and special function registers retained in both modes allowing the device to stay mostly in low power modes and for periodic wake up for CPU processing. One small difference from previous 430 families is that in LPM4, the new VLO clock is still running and remains available for L092 applications.

PTM Published on: 2011-04-08