HCS12 DATASHEET PDF

The HCS12 V Core is a bit processing core using the 68HC12 instruction set architecture (ISA). This makes the Core instruction set. Product Features. ○ Long-distance wireless transmission (1,m in open space /baud rate 5,bps in the air). ○ Working frequency range (MHz. View or download datasheets, user guides, specifications and block diagrams for the Freescale 9S12/HCS12 microcontroller, the processor used by the PDQ.

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Input pin logic levels and threshold voltages.

HCS12 Datasheets

At greater output currents the resistance increases gradually, but the 40 ohm approximation holds good up through the 25 mA maximum. You can use them to directly drive LEDs, relays, transistors, opto-isolators or other digital logic devices. Learn more about our privacy policy.

Negative going noise on the input voltage will not cause a false transition back to a logic 0 unless it is greater than 0. Pre-coded C-language routines make it easy to access these features. NI equips engineers and scientists with systems that accelerate productivity, innovation, and discovery. Through our standard NI technical support program, we can help you:. The hysteretic input works together with any source impedance driving the pin to provide some immunity against noise and to debounce the input signal.

The maximum current you should ever source from the pin is 25 ma. The trigger voltage can lie anywhere within the 1.

Digital I/O – Hardware Interfacing

They consist of internal diodes that conduct current from the input pin to the supply or ground rails in the event that the input pin voltage exceeds the supply range. Device Overview and Block Diagram. If there is the possibility of the output pin being driven to a negative voltage level it is better to prevent excessive power dissipation in the processor package by externally clamping the voltage to ground V SS with a Schottky diode.

The Module Mapping Control Guide shows you how to use the control registers for the HCS12 Microcontroller and how to configure the device’s memory map.

We calculate it as. Consult on how to dayasheet NI products Overcome development challenges Quickly resolve issues pre- or post-deployment To access NI technical support services for your hardware, visit ni.

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The consequence of this hysteresis is that the threshold between a logic high and a logic low depends on whether the input voltage is rising or falling.

They datawheet always report a logical low if the input voltage is less than 0. To find training courses for your hardware, visit ni. Prevent excessive voltage levels at the hcz12 and. To learn more about service programs for hardware and systems, see ni. This site uses cookies to offer you a better browsing experience.

Freescale HCS12 Add-on Board – National Instruments

With extensive training options for new and experienced users, we can help you reduce development hc12 and costs through faster learning and increased productivity with your NI hardware and systems. The following diagram shows the measured threshold datazheet a single pin. Get up and running faster with system assembly and configuration services Operate on a fixed budget with prepaid repair and calibration services Maintain peak performance with a discounted calibration plan Simply call us to schedule your service—no budget approval needed To learn more about service programs for hardware and systems, see ni.

From the LED datasheet we note that its forward voltage at a current of 10 mA is specified to be 2. The maximum current you should ever sink with the pin is 25 ma. Hccs12 following graphs show that in reduced drive mode the resistance of an output pin is approximately ohms in either the high or low state.

That is, for currents of less than 10 mA the voltage change is linear with current; it can be modeled as a voltage source of either zero or five volts and an equivalent series resistance of 40 ohms 1.

Prototyping and feasibility analysis Startup, consulting, and development assistance System integration Migration and upgrade assistance For more information on NI professional services and the Alliance Partner Network, see ni.

Protecting the 9S12 input and output pins. Through our standard NI technical support program, we can help you: Mosaic Industries web site. Full drive mode is recommended for most applications.

Nevertheless, any circuitry connected to the processor should take care to: Service Programs for Hardware At NI, we produce high-performance hardware and are committed to helping you maintain that performance for years to come. Mosaic Industries web site. With the knowledge, experience, datasheef responsiveness of NI applications engineers in more than 30 languages and 40 countries, we have the technical support resources to ensure your success.

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Nevertheless, any circuitry connected to the processor should take care to:. Most datasheets listed on this page may be downloaded as dataasheet single 6.

Index to all documents, tutorials, and datsheet guides. Overview of the MC9S12A microcontroller. The specified maximum instantaneous current is 25 mA into or out of any one pin at a time. These following Freescale datasheets are provided to hfs12 the documentation on this website. As the user manual for its Enhanced Capture Time module provides some specifications that were neglected datashete the manual for the MC9S12DP version, it is provided here.

Our three- or five-year service programs for hardware and systems provide the coverage you need while ensuring lowest total cost of ownership over the life of your system: At NI, we produce high-performance hardware and are committed to helping you maintain that performance for years to come.

Index to all documents, tutorials, and user guides. Learn recommended techniques to reduce development time and improve application performance and scalability Leverage more than 40 training courses taught by NI and industry experts Attend training in a variety of hsc12, including online, virtual, and classroom settings To find training courses for your hardware, visit ni.

NI and the extensive network of NI Alliance Partners provide a wide range of professional services so that together, we can assist you with the design, development, and deployment of even the most complex systems. See All Countries and Regions. When the input voltage rises from a logic 0 toward a logic 1 level, the logic 1 is dataheet when the voltage rises to 2. For some applications, particularly when driving inductive loads such as relays, you may need to provide Schottky diode clamps between the pin and V DD and between the pin and ground.

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