MC908GR4CDWE

Program Memory Type:	FLASH
Base Part Number:	MC908GR4
Supplier Device Package:	28-SOIC
Package / Case:	28-SOIC (0.295", 7.50mm Width)
Operating Temperature:	-40°C ~ 85°C (TA)
Oscillator Type:	Internal
Data Converters:	A/D 6x8b
Voltage - Supply (Vcc/Vdd):	2.7 V ~ 5.5 V
RAM Size:	384 x 8
EEPROM Size:	--
Series:	HC08
Program Memory Size:	4KB (4K x 8)
Number of I/O:	17
Peripherals:	LVD, POR, PWM
Connectivity:	SCI, SPI
Speed:	8MHz
Core Size:	8-Bit
Core Processor:	HC08
Part Status:	Obsolete
Packaging:	Tube

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MC908GR4CDWE Application Field and Working PrincipleThe MC908GR4CDWE is a device manufactured by Freescale Semiconductor, which is a leading provider of microcontroller units (MCU)s and other related products. It is part of the company\'s ColdFire family of MCU, and is a part of the V4E core, which is the most advanced core in Freescale\'s ColdFire family, designed to deliver very low power consumption in various applications. The MC908GR4CDWE is suited for many types of embedded applications such as smart grid, building automation and energy management, health and safety, industrial monitoring, and control, and transportation. It is a highly configurable device that enables users to modify its features and performance levels to suit their needs. For example, users can choose the number of instructions executed per cycle, the interruptible functions, the operating temperature range and the maximum on-chip system clock frequency.The MC908GR4CDWE is a 32-bit device that is based on the V4E core which is capable of running at rates up to 50MHz. It also has two independent microns, one for general-purpose instructions, and the other specifically for floating-point instructions. It also supports a real-time operating system kernel. Furthermore, it is equipped with a large variety of peripherals, including UART, CAN bus, Ethernet and I2C, which allow it to be used in a variety of applications.The most notable feature of the MC 908GR4CDWE is its power efficiency. It can operate at an insanely low voltage, usually between 1.8V and 3.6V, and can consume as little as 1.5 mW of power. The device also has a unique Sleep Mode that reduces its power consumption even further, saving battery life when needed. The MC908GR4CDWE is a highly configurable device that can be used for a variety of applications. It has many features that are suited for embedded applications, such as a Peripheral Bus which allows the user to easily connect external memory, an integrated Flash memory which can store up to 64KB of user-defined code, an integrated oscillator which reduces external component count and allows the system clock frequency to be easily changed, an interrupt Generator Unit which can be used to generate interrupts and time delays and a Timer System which makes it easy to time events and sensor inputs. In addition, the device has a Debugger Unit which allows the user to monitor and control the functioning of the system. The Debugger unit can be used to analyze the instructions and data of the system, view memory contents, and halt, stop and step through instructions. Overall, the MC908GR4CDWE is a highly versatile, configurable and power-efficient MCU that is suitable for many types of embedded applications. Its low voltage operation and sleep mode make it ideal for low power applications. Its multitude of peripherals and on-chip debugger make it well suited for embedded applications.

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