C8051F989-GU

Program Memory Type:	FLASH
Base Part Number:	C8051F98
Supplier Device Package:	24-QSOP
Package / Case:	24-SSOP (0.154", 3.90mm Width)
Operating Temperature:	-40°C ~ 85°C (TA)
Oscillator Type:	Internal
Data Converters:	--
Voltage - Supply (Vcc/Vdd):	1.8 V ~ 3.6 V
RAM Size:	512 x 8
EEPROM Size:	--
Series:	C8051F9xx
Program Memory Size:	4KB (4K x 8)
Number of I/O:	17
Peripherals:	Brown-out Detect/Reset, POR, PWM, WDT
Connectivity:	SMBus (2-Wire/I²C), SPI, UART/USART
Speed:	25MHz
Core Size:	8-Bit
Core Processor:	CIP-51 8051
Part Status:	Obsolete
Packaging:	Tube

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C8051F989-GU Application Field and Working Principle

The C8051F989-GU is an 8-bit microcontroller from Silicon Laboratories and is a member of their C8051F980 family of products. This family of microcontrollers is capable of running complex algorithms, such as control and filtering, with few components required to operate the device.

Application Field

The C8051F989-GU is used in a variety of applications, including data acquisition systems, smart meters, light and HVAC control, security systems and motor control. With an on-chip clock oscillator, integrated power-on reset, and multiple I/O ports, this MCU is an ideal choice for low-power applications such as low-cost, less complex sensors, as well as larger, more advanced applications such as automotive and industrial control.

Architecture

The C8051F989-GU is based on the 8051 architecture and has a 8-bit MCU core, 64k of flash memory, 1k of RAM and 8k of switchable flash memory. It also has 16 programmable I/O ports, 8 analog input pins, 2 PWM outputs, 1 UART and an on-chip watchdog timer. It runs at a maximum clock speed of 25MHz, which can be adjusted through software or hardware.

Power Consumption

The C8051F989-GU is designed to be extremely efficient when it comes to power consumption, with the absolute minimum operating voltage being just 1.8V. It has an advanced power-management system and clock-gating features which help reduce power dissipation and increase battery life.

Security Features

The C8051F989-GU also has advanced security features, including AES encryption capabilities and secure bootloader, making it ideal for applications which require high levels of security.

Working Principle

The C8051F989-GU microcontroller is designed to be programmed using C and assembly language. The MCU adheres to the Harvard architecture, meaning the program and data buses are separate, thus allowing for efficient multi-tasking. It also uses various techniques to optimize code execution, such as pipelining, superscalar and branch prediction.The C8051F989-GU has a number of on-chip peripheral devices, such as timers, serial ports, and ADC converters. These can be used to integrate various external devices, such as sensors and actuators, with the C8051F989-GU microcontroller.

Conclusion

The C8051F989-GU is an 8-bit microcontroller from Silicon Laboratories that is suitable for a range of applications, including data acquisition systems, smart meters, light and HVAC control, security systems and motor control. It has low power consumption, advanced security features and an Harvard architecture, making it an ideal choice for a variety of embedded systems.

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