Freescale has extended its family of QE microcontrollers (MCUs) with higher performance 8-bit devices designed to offer exceptionally low power consumption. These latest MCUs are engineered to enhance portable performance, extend battery life and improve energy efficiency for a wide range of embedded applications.
The MC9S08QE32 (QE32) MCUs are well suited for power-sensitive wireless and battery-operated applications, including utility meters, HVAC and building controls, commercial smoke detectors and toys. They are also ideal for embedded developers who require a rich peripheral set with multiple time-pulse modulation (TPM), general purpose IO (GPIO) and serial communications interface (SCI) channels.
The QE32 devices address portable design requirements through optimised peripherals that enable low operating voltage and current. They are designed to run off of a 32 kHz oscillator that consumes less than 7,3 microamps of current. They also include battery-saving features, such as two ultra-low-power stop modes, low-power run and wait modes, six microseconds wake-up time from stop mode, and clock gating registers to disable clocks or unused peripherals.
The MCUs feature an HCS08 core operating up to 50,33 MHz, bus frequency as high as 25,165 MHz, and up to 32 KB of Flash and 2 KB RAM. An internal clock source is available, along with two x SCI, an SPI and an IIC port.
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