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HCS12H Datasheet(PDF) 3 Page - Freescale Semiconductor, Inc |
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HCS12H Datasheet(HTML) 3 Page - Freescale Semiconductor, Inc |
3 / 28 page ![]() Feature Detail 16-bit Microcontroller HCS12H Family, Rev. 11.1 Freescale Semiconductor 3 PRELIMINARY – Programmable period and duty cycle for each channel – Pairs of 8-bit channels can be concatenated as one 16-bit channel – Center-aligned or left-aligned outputs – Wide range of programmable clock frequencies – Fast emergency shutdown input • Serial interfaces – Up to two asynchronous Serial Communications Interfaces (SCI) – Synchronous Serial Peripheral Interface (SPI) – Inter-IC Bus Interface (IIC) • Liquid Crystal Display (LCD) driver – Up to 32 frontplanes and 4 backplanes – 5 modes of operation allow for different display sizes to meet application requirements – Programmable frame clock generator and bias voltage level • 16 or 24 high current drivers suited for PWM motor control – Each PWM channel switchable between two drivers in an H-bridge configuration – Support for sine and cosine drive – 11-bit resolution with selectable dithering function – Left, right or center aligned outputs – Slew rate control • Up to four Stepper Stall Detectors (SSD) - available on selected devices – Flexible full step and polarity set up to return the pointer to its reset position in clockwise or counter clockwise direction. – Integrator/Sigma Delta converter circuit to measure the induced voltage by the back EMF of unpowered coil during full step (only one of the two motor coils is powered) operation. – 16-Bit Down Counter to monitor blanking and integration time to support stepper motors with different gear ratios. – 16-Bit accumulator register to read integration value, compare to a threshold at the end of integration time, and decide if the motor is stalled under this value or moving above this value. • Operating Frequency – 32Mhz equivalent to 16Mhz Bus Speed (Only 9S12H256) – 50Mhz equivalent to 25Mhz Bus Speed (Except 9S12H256) • 80-Pin, 112-Pin or 144-Pin QFP package – I/O lines with 5V input and drive capability – 5V A/D converter inputs |
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