MC68HC11A1MFNER Integrated Circuits (ICs)

Series:	HC11
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Core Processor:	HC11
Core Size:	8-Bit
Speed:	3MHz
Connectivity:	SCI, SPI
Peripherals:	POR, WDT
Number of I/O:	38
Program Memory Size:	--
Program Memory Type:	ROMless
EEPROM Size:	512 x 8
RAM Size:	256 x 8
Voltage - Supply (Vcc/Vdd):	4.5 V ~ 5.5 V
Data Converters:	A/D 8x8b
Oscillator Type:	External
Operating Temperature:	-40°C ~ 125°C (TA)
Package / Case:	52-LCC (J-Lead)
Supplier Device Package:	52-PLCC (19.1x19.1)
Base Part Number:	MC68HC11

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The MC68HC11A1MFNER is an 8-bit microcontroller from Motorola, and is widely used in embedded applications requiring low-level control, such as motor control, industrial automation, and real-time processes. This microcontroller is a popular choice for those looking for a device with a high degree of integration and low power consumption.The MC68HC11A1MFNER provides a wide range of features that make it ideal for a variety of applications. It has a 24-bit addressing architecture and can address up to 16 kilobytes of RAM and 32 kilobytes of ROM. The microcontroller has 8 8-bit general-purpose I/O ports and can operate up to 16 external interrupts. It also has an 8-channel, 10-bit A/D converter, 5-channel 16-bit counter/timers, 4 serial ports, and an internal clock at 4 MHz.The MC68HC11A1MFNER is commonly used in motor control systems, industrial automation, communication, and data acquisition. Its low power consumption and wide range of features make it well-suited for applications that require realtime, precise control.Motor control systems use the MC68HC11A1MFNER to provide accurate control of motors, including stepper and servo motors, for precise motion control. Industrial automation utilizes the MC68HC11A1MFNER for factory automation and process control, such as automated assembly lines and robotics.Communication applications, such as RS-232/RS-485, also make use of the MC68HC11A1MFNER. It is used to control modems, dial-up systems, and Ethernet networks. Data acquisition applications use the MC68HC11A1MFNER to acquire and process data from multiple sources, such as sensors, temperature probes, and pressure gauges.The MC68HC11A1MFNER operates on a simple and straightforward principle. The processor first receives instructions from the ROM, performs the instruction, and then goes to the next instruction in the ROM. It is a Von Neumann architecture which means that the program and data are stored in the same address space.The MC68HC11A1MFNER has two main modes of operation: interrupt-driven and polling. In interrupt-driven mode, the microcontroller responds to external interrupts by executing the associated interrupt service routine (ISR). Polling mode is used when interupts are not suitable, and it involves the microcontroller periodically checking for a certain condition.The processor can also access data from external memory via a direct memory access (DMA) port. This allows for fast data transfer and is used for data-intensive application.The MC68HC11A1MFNER is a widely used 8-bit microcontroller that is popular for its wide range of features, low power consumption, and integration. Its various application fields range from motor control to industrial automation, communications, and data acquisition. The processor operates on a Von Neumann architecture in either interrupt-driven or polling modes, and uses a direct memory access (DMA) port for fast data transfer.

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