STMicroelectronics has announced details of an ultra low power technology platform for building a range of 8 and 32bit microcontrollers.
ST claims that this platform would enable future generations of electronic products to consume less power, meet energy efficiency standards and operate for longer from batteries.
ST will introduce the first new microcontrollers, the STM8L and STM32L, later in 2009 as part of its ultra low power product paths for the 8bit STM8S and 32bit STM32F families. The microcontrollers have been designed to achieve power consumption as low as 150µA/MHz from Flash and HALT mode power consumption as low as 300nA while maintaining sram content and registers.
Within this new technology platform, 130nm digital transistors optimized for low leakage reduce the microcontroller’s current draw in normal operation as well as in power-saving modes. In addition, the innovative, low-power embedded non-volatile memory reduces the energy consumed to handle application data. The enhanced analog transistors are functional down to 1.65V, enabling low-voltage operation of the on-chip analog circuitry. The power-management architecture also saves power in all modes through techniques such as low-voltage operation of the core and ultra-fast 4-microseconds wake-up from low-power states.
According to ST, product developers will use the new devices to take advantage of today’s most advanced and efficient processor architectures in fast-growing markets such as portable medical devices and e-metering, as well as emerging opportunities where long battery life, small battery sizes, or battery-less operation are required
Other products to benefit from the new 8-bit and 32-bit MCUs will include alarm systems, wireless sensors, touch-sensing modules, and portable equipment such as personal healthcare devices, handheld game terminals, remote-control units, GPS devices, personal sports equipment, and mobile accessories.
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