N79E822ASG

Series:	N79
Packaging:	Tube
Part Status:	Active
Core Processor:	8051
Core Size:	8-Bit
Speed:	20MHz
Connectivity:	I²C, UART/USART
Peripherals:	Brown-out Detect/Reset, LED, LVD, POR, PWM, WDT
Number of I/O:	18
Program Memory Size:	2KB (2K x 8)
Program Memory Type:	FLASH
EEPROM Size:	256 x 8
RAM Size:	256 x 8
Voltage - Supply (Vcc/Vdd):	2.7 V ~ 5.5 V
Data Converters:	A/D 4x10b
Oscillator Type:	Internal
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	20-SOIC (0.295", 7.50mm Width)

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N79E822ASG is an 8-bit, CMOS, low-power microcontroller certified for use in multimedia and consumer products. The controller offers high-functionality and low power consumption, allowing it to be used in a variety of consumer electronics applications such as portable devices, TV sets, DVD recorders, and home automation systems.The N79E822ASG is composed of several components: A Central Processing Unit (CPU) for executing instructions and manipulating data; RAM for storing data and instructions; Flash memory for storing code and data; and a set of I/O (Input/Output) ports for communicating with other devices.This microcontroller offers a wide range of features, making it suitable for a variety of embedded applications. It has a maximum operating frequency of 16MHz, which is ideal for multimedia and consumer applications. It also features a Memory Protection Unit (MPU) for preventing accidental modification of flash memory, as well as three 16-bit timers, a 10-bit A/D converter, and an 8-channel Direct Memory Access (DMA) controller.The N79E822ASG is based on the CISC architecture and uses a modified Harvard addressing scheme. It supports up to 32KB of ROM, as well as 6KB of RAM. It also has built-in debugging capabilities, allowing developers to easily debug their applications.The N79E822ASG is mainly used in applications that require low power consumption and high performance. The controller is typically used in consumer applications such as car audio systems, portable media players, cameras, and flat-screen TVs. It is also used in industrial applications such as controlling the operation of motors and other types of machine automation.The N79E822ASG uses a 4-stage, single-clock instruction cycle to execute instructions. It is composed of an instruction fetch, memory access cycle, a register write back cycle, and a bus freeze cycle. During the instruction fetch cycle, the Instruction Pointer (IP) is incremented and the instruction is fetched from the ROM. During the memory access cycle, data is transferred between the register and memory. During the register write back cycle, results are written back to the register. Finally, the bus freeze cycle prevents further data transfer between the CPU and other devices.In summary, the N79E822ASG is an 8-bit, low-power microcontroller optimized for multimedia and consumer applications. It offers high performance and low power consumption, allowing it to be used in a variety of embedded applications. The controller includes a variety of features such as an MPU, three 16-bit timers, a 10-bit A/D converter, and an 8-channel DMA controller. It is used mainly in consumer applications such as car audio systems, portable media players, cameras, and flat-screen TVs, as well as in industrial applications such as controlling the operation of motors and other types of machine automation.

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