Z8F1232HH020EG

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Embedded - Microcontrollers

Microcontrollers are small computers used in a wide variety of embedded products that require control of proprietary equipment, available from a number of vendors such as Motorola, Intel, and Zilog. Z8F1232HH020EG is one such microcontroller, featuring several advantages such as flexibility and customization, as well as reliable performance under harsh conditions.

Application Field

The Z8F1232HH020EG is particularly useful for low-power, low-cost applications in consumer, industrial, automotive, and medical markets. The ability to reduce system power consumption combined with the compactness of the device makes it highly suited for portable and handheld products, especially those featuring multiple functions. Additionally, the chip enables the user to create fully customized firmware or software solutions.

The device also has excellent electromagnetic compatibility and fits a variety of physical form factors. This then makes the chip suitable for implantable medical devices (for example, pacemakers and defibrillators), as well as automotive applications, such as embedded car controllers.

Working Principle

The Z8F1232HH020EG is a 8-bit microcontroller with an integrated Flash ROM containing up to 2 Kbytes. The peripheral set includes a capture/compare (Compare Match and Pulse Width Modulated) module, 1-wire interface, UART, SPI and DMA. The device also features power saving features such as a low-power Sleep mode, partial-stop wake up and low-power Watchdog.

In operation, the Z8F1232HH020EG can be connected to a programmer which is used to initialize the data in the device’s Flash memory. This is done using a one time programmable operating system that stores the machine code for the application, as well as user-defined parameters.

Once the code has been written, the processor can be used to execute the specified code. This is done by having the processor copies the code and data from the Flash memory into its internal RAM, then executing the code. The code is stored in the Flash memory, so the device only needs to be programmed once during the entire development cycle.

All input data to the Z8F1232HH020EG is handled using interrupts. These signals are handled asynchronously, allowing for real-time processing of data. Output data is handled using DMA (direct memory access), which copies data from the internal RAM to memory locations outside of the processor. This is done with minimal processing time, enabling a faster response time.

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