MC9S12H256VPVE

Program Memory Type:	FLASH
Base Part Number:	9S12H256
Supplier Device Package:	112-LQFP (20x20)
Package / Case:	112-LQFP
Operating Temperature:	-40°C ~ 105°C (TA)
Oscillator Type:	Internal
Data Converters:	A/D 16x10b
Voltage - Supply (Vcc/Vdd):	2.35 V ~ 5.25 V
RAM Size:	12K x 8
EEPROM Size:	4K x 8
Series:	HCS12
Program Memory Size:	256KB (256K x 8)
Number of I/O:	85
Peripherals:	LCD, POR, PWM, WDT
Connectivity:	CANbus, I²C, SCI, SPI
Speed:	16MHz
Core Size:	16-Bit
Core Processor:	HCS12
Part Status:	Not For New Designs
Packaging:	Tray

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Introduction

Microcontrollers are a type of embedded device that is specially designed for specific tasks. They are relatively low power, able to be integrated into a single chip, and combine both computing and digital logic functions. The MC9S12H256VPVE is one such microcontroller that is used in a variety of applications. This article will discuss the application fields, architecture and working principle of the MC9S12H256VPVE.

Application Field

The MC9S12H256VPVE microcontroller is a general-purpose device that can be used in a variety of applications that require digital control. It is particularly well-suited to applications such as data acquisition and processing, motor control, sensing and analysis, real-time control and communication. It can be used in automotive systems, industrial systems, consumer electronics, medical instruments, and a range of other embedded applications.

Architecture

The MC9S12H256VPVE is an 8-bit device based on the HCS12 microcontroller architecture. It is designed for enhanced performance and reduced system complexity. The device has an integrated 16-bit CPU with an instruction set of up to 14 bit. It is a highly efficient device that incorporates many integrated components such as 8KB Flash nonvolatile memory, 256 bytes RAM, and 256 bytes of EEPROM. Furthermore, the microcontroller includes peripherals such as a shutdown module, 8-channel 8-bit ADC, PWM channels, and LIN 2.1 compliant driver.

Working Principle

The MC9S12H256VPVE microcontroller utilizes a Harvard architecture to manage data and instructions in separate memory spaces. This ensures efficient parallel processing of instruction and data and allows the controller to execute multiple tasks simultaneously. Data and instructions are moved between the memory spaces via the memory bridge. This bridge allows the controller to access either embedded memory components or external memory. The controller utilizes an instruction pipeline, which allow instructions to be processed and executed quickly, while the pipelining of data allows the controller to manage data requests effectively. In order to maintain its efficiency, the MC9S12H256VPVE incorporates a Harvard architecture, pipelined instruction system, and a memory bridge. This makes it an ideal choice for real-time and low power applications. In addition, its integrated peripherals make it simple to use and deploy.

Conclusion

The MC9S12H256VPVE is a general-purpose embedded microcontroller that is highly efficient and adaptable. It utilizes a Harvard architecture, memory bridge and pipelined instruction system to provide efficient processing and data movement. The integrated peripherals make it an ideal choice for a range of applications in the automotive, industrial and consumer sectors. Overall, the MC9S12H256VPVE is a powerful and reliable microcontroller that can meet the needs of most embedded control applications. Its efficient operation and flexible design make it ideal for applications that require reliable digital control over a range of tasks.

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