MCF51AC256BVFUE

Program Memory Type:	FLASH
Base Part Number:	MCF51AC256
Supplier Device Package:	64-QFP (14x14)
Package / Case:	64-QFP
Operating Temperature:	-40°C ~ 105°C (TA)
Oscillator Type:	External
Data Converters:	A/D 20x12b
Voltage - Supply (Vcc/Vdd):	2.7 V ~ 5.5 V
RAM Size:	32K x 8
EEPROM Size:	--
Series:	MCF51AC
Program Memory Size:	256KB (256K x 8)
Number of I/O:	54
Peripherals:	LVD, PWM, WDT
Connectivity:	I²C, SCI, SPI
Speed:	50MHz
Core Size:	32-Bit
Core Processor:	Coldfire V1
Part Status:	Active
Packaging:	Tray

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Introduction

The MCF51AC256BVFUE is an embedded 8-bit Microcontroller. It is based on an available processor that is powered by Freescale’s ColdFire microcontroller architecture. The device uses advanced PCMCIA compatible flash memory technology and SRAM to expand its storage capacity. The MCF51AC256BVFUE also incorporates a 16-bit Digital Signal Processor (DSP) which is accessed through a single memory-mapped address.

Application field and Working principle

The MCF51AC256BVFUE is commonly used in industrial, automotive and consumer applications. It provides an ideal solution for applications requiring scalable low power, reliable performance, flexibility and cost-effectiveness. The Microcontroller is designed to provide a complete embedded development platform, featuring an array of on-chip peripherals.The MCF51AC256BVFUE works by executing various instructions in a sequential manner. An instruction cycle defines the time taken to fetch and execute a single instruction. On-chip peripherals are mapped to specific memory locations, allowing the Microcontroller to access and interact with them in order to perform its operations. GPIO pins enable the Microcontroller to communicate with external devices and interface with the outside world. It also employs a DMA controller which allows data to be transferred without microcontroller intervention, thereby improving operation speed and power consumption.

Features and Benefits

The MCF51AC256BVFUE offers a wide range of features such as low power modes, up to 128KB of flash memory and up to 16KB of RAM, as well as a high speed internal bus capable of speeds up to 40MHz. It also provides flexibility with an array of on-chip peripherals such as UARTs, SPIs, I2Cs, and Timers, which can be used to programs and functions. Additionally, the device is capable of running high speed interrupt handlers, providing fast response time. The MCF51AC256BVFUE also features low-power features such as a standby current of around 8µA and a fast wakeup time. It also incorporates several features which improve reliability, including a watchdog timer and brownout detection. As it is a cost-effective Microcontroller, it offers great value for money. The device is robust and reliable, making it suitable for long term use in industrial, automotive and consumer applications.

Conclusion

The MCF51AC256BVFUE is an embedded 8-bit Microcontroller from Freescale, based on the ColdFire architecture. It offers a host of features, including low power modes and a high speed internal bus of up to 40MHz. It also features several on-chip peripherals, and a range of low power features such as a standby current of 8µA and a fast wakeup time.Overall, the MCF51AC256BVFUE provides a scalable, reliable and cost-effective solution for applications requiring an embedded microcontroller. Its wide range of features make it suitable for different applications in the industrial, automotive and consumer sectors.

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