MC68HC705P6ACDW

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The MC68HC705P6ACDW is an 8-bit microcontroller in a 64-pin dual-in-line (DIL) package that is part of the M68HC05 microcontroller family. It is the least expensive member of the M68HC05 family but, like the other members of the family, it has effective hardware and software support. It is also suitable for a variety of applications in embedded systems.

Application fields of the MC68HC705P6ACDW

The MC68HC705P6ACDW is a cost-effective 8-bit microcontroller designed for applications that require low power consumption and small amounts of code memory. It is particularly suitable for embedded systems, automotive, consumer electronics, industrial control and process control applications. The MC68HC705P6ACDW features a wide range of peripheral devices including analog to digital converters (ADC), digital to analog converters (DAC), counter/timers, serial interfaces, and interrupt/event systems. It is also capable of successfully used with mechanical, electromechanical and opto-electronic components.

The MC68HC705P6ACDW also features the low power CMOS technology that enables low active power and stand-by power consumption. In addition, the device has a wide voltage range of 1.8V to 5.5V, which is suitable for many battery operated applications.

The MC68HC705P6ACDW can be easily programmed using the Metrowerks CodeWarrior Development Studio software. It provides a C++ based development environment and also comes with many support libraries and example codes. This makes developing applications for the MC68HC705P6ACDW very easy.

Working Principle of the MC68HC705P6ACDW

The MC68HC705P6ACDW features an 8-bit M68HC05 core architecture and operates at a clock speed of 4MHz. Its addressed memory is organized as 4K bytes of Program memory and 256 bytes of Data memory. The device also contains 16 general-purpose I/O (GPI) lines and two 8-bit wide port lines.

The MC68HC705P6ACDW\'s on-chip memory includes four programmable devices, called "Devco" EEPROMs. This is a non-volatile memory that can be programmed for user-defined configurations. The device also features an external data bus, allowing for direct access to external RAM or ROM.

The device also features an interrupt/event system with up to eight inputs. This system is designed to inform the CPU of any changes to the system or external devices. This system can be used to interrupt the CPU and execute a special process when the event occurs.

On-chip debugging is also available for the MC68HC705P6ACDW. This on-chip debugging system connects the CPU to a hardware debugger which can be used to monitor, trace and debug programs. The hardware debuggers can also be used to tune the system\'s performance by adjusting clock speeds, memory access speeds and other configuration settings.

The MC68HC705P6ACDW also features an on-chip power-on reset (POR) circuit. This circuit monitors the voltage supply and when it detects a power failure, it resets all the internal circuitry and sends an interrupt to the CPU. This ensures that the CPU always starts up with a clean slate and avoids potential system crashes due to corruption of program or clock settings.

The MC68HC705P6ACDW is a highly versatile microcontroller with a rich feature set and economical cost. Its low power consumption and wide variety of peripheral support makes it suitable for many embedded and industrial applications. Its onboard debugging system and on-chip power-on reset circuit make it even more attractive for system developers who wish for a reliable and cost effective solution for their applications.

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