ATTINY84A-MF WQFN-20 Micro processor and controller

The ATTINY84A-MF is capable of executing powerful instructions in a single clock cycle, achieving impressive throughputs of up to one MIPS per MHz. This balance of power consumption and processor speed ensures that the device delivers optimal performance for demanding applications while maximizing energy efficiency.

Microchip Technology ATTINY84A-MF's Features

The Microchip Technology ATTINY84A - MF is a high - performance 8 - bit microcontroller packed with useful features.
1. Processing Power

Based on the AVR enhanced RISC architecture, it has 120 instructions. A majority of these instructions execute in a single clock cycle, enabling rapid task processing. The 32 general - purpose working registers facilitate efficient data handling, allowing for quick access and manipulation of variables during program execution. This architecture empowers the ATTINY84A - MF to handle complex algorithms and operations, making it suitable for a wide range of applications.

2. Memory Features

It comes equipped with 8KB of in - system programmable Flash memory. This is where the user - written programs are stored. With an erase/write endurance of 10,000 times, it ensures long - term reliability for code storage. The 512 - byte SRAM provides fast data access for variables and intermediate calculations during runtime. Additionally, there's 512 bytes of in - system programmable EEPROM, which can retain data even when the power is off. With an endurance of 100,000 write/erase cycles, it's ideal for storing settings, calibration data, or other non - volatile information.

3. Peripheral Integration

The microcontroller features a 10 - bit ADC. It has 8 single - ended channels and 12 programmable - gain differential channels. This allows for accurate conversion of analog signals, which is crucial for applications involving sensors. For example, it can precisely measure temperature, pressure, or light intensity. It also includes a programmable watchdog timer to enhance system stability. In case of software glitches or unexpected system freezes, the watchdog timer can reset the system. There are also 1 - 8 - bit and 1 - 16 - bit timer/counters, each with two PWM channels, enabling the generation of precise pulse - width - modulated signals for motor control, LED dimming, and other applications.

Microchip Technology ATTINY84A-MF's Applications

The Microchip Technology ATTINY84A - MF, with its rich feature set, finds extensive applications across multiple industries.

1. Consumer Electronics

In small - scale consumer devices like remote controls, the ATTINY84A - MF's 8 - bit processing power suffices for handling button inputs and encoding signals to transmit to the target device. Its low - power consumption is beneficial, as it can run on a small battery for an extended period. For example, in a TV remote, the microcontroller reads the button presses, decodes them into infrared signals using its internal timer and communication logic, and sends these signals to control the TV functions.

2. Industrial Monitoring

In industrial settings, it plays a role in monitoring and controlling small - scale processes. The 10 - bit ADC can be used to measure variables such as the temperature of machinery components. If the temperature exceeds a set threshold, the ATTINY84A - MF can trigger an alarm or adjust the cooling system using its output ports. It can also be used to control small motors in conveyor belt systems. By using the PWM channels of its timer/counters, it can precisely control the speed of these motors, ensuring smooth and efficient operation.

3. Home Automation

In home automation systems, this microcontroller is a key component. It can be connected to door and window sensors via its I/O ports. When a door or window is opened, the sensor sends a signal to the ATTINY84A - MF, which can then trigger actions like turning on lights or sending an alert to the homeowner's smartphone. Additionally, it can interface with smart thermostats. By reading temperature data from sensors using the ADC, it can control the heating or cooling system to maintain a comfortable indoor temperature, enhancing the convenience and energy - efficiency of the home.

Microchip Technology ATTINY84A-MF's Attributes

Series	ATtiny84	Product Status	Active
Programmabe	Not Verified	Core Processor	AVR
Core Size	8-Bit	Speed	20MHz
Connectivity	USI	Peripherals	Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number of I/O	12	Program Memory Size	8 kB
Program Memory Type	Flash	EEPROM Size	512 x 8
RAM Size	512 x 8	Voltage - Supply (Vcc/Vdd)	1.8V ~ 5.5V
Data Converters	A/D 8x10b	Oscillator Type	Internal
Operating Temperature	-40°C ~ 125°C (TA)	Mounting Type	Surface Mount
Package / Case	WQFN-20	Supplier Device Package	20-QFN-EP (4x4)
Base Product Number	ATTINY84	Manufacturer	Microchip
Product Category	8-bit Microcontrollers - MCU	RoHS	Details
Core	AVR	Data RAM Size	512 B
Maximum Clock Frequency	20 MHz	ADC Resolution	10 bit
Number of I/Os	12 I/O	Supply Voltage - Min	1.8 V
Supply Voltage - Max	5.5 V	Mounting Style	SMD/SMT
Data Bus Width	8 bit	Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 125 C	Brand	Microchip Technology
Data RAM Type	SRAM	Data ROM Type	EEPROM
Interface Type	SPI, USI	Moisture Sensitive	Yes
Product	MCUs	Product Type	8-bit Microcontrollers - MCU
Factory Pack Quantity	490	Subcategory	Microcontrollers - MCU
Tradename	AVR	Unit Weight	0.001309 oz

Microchip Technology ATTINY84A-MF's Datasheet

Microchip Technology ATTINY84A-MF's Category- Micro processor and controller

The Microchip Technology ATTINY84A - MF is a prime example of an 8 - bit embedded microcontroller that successfully integrates an entire computer system onto a single chip. Despite its 8 - bit nature, this device has carved out an incredibly broad range of applications within the realm of embedded systems.

The ATTINY84A - MF microcontroller chip comes with an array of integrated components. It features 8KB of in - system programmable Flash memory, which serves as the equivalent of ROM/EPROM for storing program code. Alongside this, there's 512 bytes of SRAM for quick data access during operation, enabling efficient handling of variables and intermediate calculations. The chip also incorporates a comprehensive set of bus systems and bus logic. This infrastructure is essential for seamless data transfer and communication between different internal components.

In terms of timing and counting capabilities, it has a 1 - 8 - bit and a 1 - 16 - bit timer/counter, each equipped with two PWM channels. These PWM channels are extremely useful for applications such as motor speed control, where precise pulse - width - modulated signals can be generated. Additionally, it has a programmable watchdog timer. This timer acts as a safeguard, monitoring the system's operation. In the event of software glitches or unexpected freezes, the watchdog timer can reset the system, ensuring continuous and reliable operation.

The device's I/O ports are versatile, allowing for easy connection to various external devices. It also includes a serial port, which is crucial for communication with other components in a system. One of its significant features is the 10 - bit ADC. With 8 single - ended channels and 12 programmable - gain differential channels, it can accurately convert analog signals. This makes it ideal for applications that involve sensors, such as temperature, pressure, or light sensors.

Compared to embedded microprocessors, the ATTINY84A - MF stands out due to its monolithic design. This compact form factor not only significantly reduces power consumption but also cuts down on production costs. The integration of all components into a single chip also enhances the device's reliability. As part of the mainstream of the embedded system industry, the ATTINY84A - MF's rich on - chip peripheral resources are well - suited for control applications, fulfilling the very definition of a microcontroller.

Microchip Technology has developed a series of derivative products based on the ATTINY84A - MF to meet diverse application requirements. Each product in this series shares the same core architecture, but they differ in the configuration of memory and peripherals. This strategic approach allows for a high degree of customization, enabling the device to be optimized for specific applications. As a result, power consumption and cost can be minimized according to the needs of the application.

Thanks to its affordable price and high - performance features, the ATTINY84A - MF, like other well - known microcontrollers such as the 8051 series, is widely used. It contributes significantly to the approximately 70% market share that microcontrollers hold in the embedded systems domain. The ATTINY84A - MF can be found in a wide range of applications, from simple consumer electronics like remote controls to more complex industrial control systems, demonstrating its versatility and importance in the world of embedded systems.

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