DV164122

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The DV164122 board is an application-specific evaluation board designed for embedded applications utilizing a Microcontroller (MCU) or Digital Signal Processing (DSP) architecture. The board is an ideal platform for researchers and developers to rapidly prototype and evaluate new applications. It features an MC9S12H128 compatible development board, LCD touch panel, analog I/O, digital I/O, standard serial interfaces, universal host interface, and a unique low-power MCU-driven real-time operation.

Overview

The DV164122 board is an application and evaluation board based on a MC9S12H128 compatible device. It is a 2cm x 3.5cm board featuring an 8-bit MC9S12H128 MCU with 64KB of flash memory, 8KB of flash binary memory, 4KB of RAM, 32 digital I/O lines, 16 programmable I/O lines, 8 analog inputs, 4 serial interfaces, and an in-system debugging interface. The board also features a unique low-power MCU-driven real-time operation.

The board is designed for use in a variety of embedded applications such as display interfaces, digital control systems, motion control, and others. The board supports MCU and DSP applications with industry standard serial communication interfaces such as SPI, UART, I2C, CAN, and more. The board also includes an LCD touch panel, analog I/O, digital I/O, universal host interface, and more.

Features

The DV164122 board supports a range of sophisticated features for embedded application development including:

• MC9S12H128 compatible core
• LCD touch panel with 4 serial ports
• 32 digital I/O lines
• 16 programmable I/O lines
• 8 analog inputs
• Universal host interface
• On-board debug module for easy programming and debugging
• On-board memory with 64KB of flash and 8KB of flash binary memory
• 4KB of RAM
• Low power MCU-driven real-time operation

Working Principle

The DV164122 board is designed for use with a MC9S12H128 compatible device. The MC9S12H128 is a low power consumption 8-bit MCU with 64KB of flash memory, 8KB of flash binary memory, 4KB of RAM, and a wide range of industry-standard serial communication interfaces, including SPI, UART, I2C, CAN, and more. The key feature of the board is its low power MCU-driven real-time operation.

The board is designed to be used with the MCU in order to perform various tasks, such as reading analog data, controlling digital outputs, communication between other devices, etc.Using the MCU\'s 16 programmable I/O lines, each pin can be programmed to have a certain function. This allows the MCU to control a wide range of peripherals with the flexibility of selecting and programming the required number of pins. For example, 16 analog inputs can be read from the ADC (Analog-to-Digital Converter) using 8 of the I/O lines.

The LCD touch panel provided with the board is connected to 4 of the I/O lines of the MCU via serial communication interfaces. This allows the display to be used for navigation and menu-driven user interfaces. The digital outputs and analog inputs can be programmed to suite different applications.

The universal host interface is the main communication channel between the DV164122 board and the external devices or systems. A single UART (Universal Asynchronous Receiver/Transmitter) line is used for communication between the board and the MCU, while I2C (Inter-Integrated Circuit) is used for communication with other devices. The I2C lines can be connected to a variety of peripherals, from temperature sensors to displays, and can be used to bridge communication between the board and the application.

The onboard debug module is an integral part of the board, which allows users to program the board and debug their code using the open source JTAG debugger. The debug module also features an on-board oscilloscope to monitor the waveforms generated by the MCU.

Conclusion

The DV164122 board is an efficient application-specific evaluation board designed for embedded applications utilizing a MCU or DSP architecture. The board offers a cost effective solution for prototyping and evaluation of applications. It features an MC9S12H128 compatible development board, LCD touch panel, analog I/O, digital I/O, standard serial interfaces, universal host interface, and a unique low-power MCU-driven real-time operation.

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