How to Program Attiny84 Using Arduino Uno - By CSASystems
IC MCU 8BIT 8KB FLASH 14DIP
ATtiny84 is a high performance and low power microcontroller. This article mainly convers pinout, datasheet, applications and other details about ATTINY84.
ATTINY84 Micorcontroller: Pinout, Datasheet and Features
IC MCU 8BIT 8KB FLASH 14DIP ATtiny84 is a high performance and low power microcontroller.
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Jul 15, 2021
Nick House
ATTINY84-20PU
980In Stock
Min.: 1 Mult.: 1
| Quantity | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $4.78905 | $4.79 |
| 10+ | $4.51797 | $45.18 |
| 100+ | $4.26224 | $426.22 |
| 500+ | $4.02098 | $2010.49 |
| 1000+ | $3.79338 | $3793.38 |
Unit Price:$4.78905
Subtotal: $4.79
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ATTINY84 Description
ATTINY45 is a high performance, low power controller from ATMEL. It is an 8 bit controller based on Advanced RISC architecture Microchip's picoPower technology. The microcontroller has 14 independent pins, 12 of which can be used as I/O pins.
ATTINY84 Pinout
ATTINY84 CAD Model
Symbol
Footprint
Specifications
Microchip Technology ATTINY84-20PU technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology ATTINY84-20PU.
ATTINY84-20PU Tech Specifications
ATTINY84-20PU Tech Specifications
Microchip Technology ATTINY84-20PU technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology ATTINY84-20PU.
| Product Attribute | Attribute Value | |
|---|---|---|
| Factory Lead Time | 2 Weeks | |
| Contact Plating | Tin | |
| Mount | Through Hole | |
| Mounting Type | Through Hole | |
| Package / Case | 14-DIP (0.300, 7.62mm) | |
| Number of Pins | 14Pins | |
| Data Converters | A/D 8x10b | |
| Number of I/Os | 12I/Os | |
| Watchdog Timers | Yes | |
| Operating Temperature | -40°C~85°C TA | |
| Packaging | Tube | |
| Series | AVR® ATtiny | |
| Published | 1997 | |
| JESD-609 Code | e3 | |
| Pbfree Code | yes | |
| Part Status | Active | |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | |
| Number of Terminations | 14Terminations | |
| Termination | Through Hole |
| Product Attribute | Attribute Value | |
|---|---|---|
| Terminal Position | DUAL | |
| Supply Voltage | 5V | |
| Frequency | 20MHz | |
| Base Part Number | ATTINY84 | |
| Supply Voltage-Max (Vsup) | 5.5V | |
| Power Supplies | 3/5V | |
| Supply Voltage-Min (Vsup) | 4.5V | |
| Interface | SPI | |
| Memory Size | 8kB | |
| Oscillator Type | Internal | |
| RAM Size | 512 x 8 | |
| Voltage - Supply (Vcc/Vdd) | 2.7V~5.5V | |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | |
| Core Processor | AVR | |
| Peripherals | Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT | |
| Program Memory Type | FLASH | |
| Core Size | 8-Bit | |
| Program Memory Size | 8KB 4K x 16 | |
| Connectivity | USI |
| Product Attribute | Attribute Value | |
|---|---|---|
| Bit Size | 8 | |
| Access Time | 20 μs | |
| Has ADC | YES | |
| DMA Channels | NO | |
| Data Bus Width | 8b | |
| Density | 64 kb | |
| EEPROM Size | 512 x 8 | |
| Number of ADC Channels | 8ADC Channels | |
| Number of PWM Channels | 2PWM Channels | |
| Number of I2C Channels | 1I2C Channel | |
| Height | 5.334mm | |
| Length | 19.69mm | |
| Width | 7.112mm | |
| REACH SVHC | No SVHC | |
| Radiation Hardening | No | |
| RoHS Status | ROHS3 Compliant | |
| Lead Free | Lead Free |
ATTINY84 Block Diagram
ATTINY84 Features
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14 pin DIL package.
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8K byte of In-System Programmable Flash.
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512 bytes EEPROM.
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512 bytes SRAM.
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Maximum Frequency 20MHz.
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12 general purpose I/O lines.
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32 general purpose working registers.
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SPI / I2C.
ATTINY84 Alternatives
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ATtiny2313A (Exact Alternative with the new release)
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ATtiny417
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ATtiny28L
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ATtiny48
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ATmega88PA
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ATmega8A
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ATmega8515
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ATmega8535
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ATmega645A
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ATmega6490
Where to use ATTINY84
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With various power saving modes, it can work on mobile embedded systems.
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With its small and compact size, it can be put in many small boards.
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With program memory of 8kbytes, the microcontroller can be used in many applications.
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As one of the cheapest controllers, ATTINY84 has gained great popularity.
ATTINY84 Application
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Used in development boards.
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Hobby projects
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Drivers
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Industrial control systems.
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SMPS and Power Regulation systems.
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Analog signal measuring and manipulations.
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Embedded systems like coffee machine, vending machine.
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Display units.
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Peripheral Interface system.
ATTINY84 Dimension
ATTINY84 Manufacturer
Microchip Technology Inc. is a leading provider of microcontroller and analog semiconductors, providing low-risk product development, lower total system cost and faster time to market for thousands of diverse customer applications worldwide. Headquartered in Chandler, Arizona, Microchip offers outstanding technical support along with dependable delivery and quality.
Datasheet PDF
Download datasheets and manufacturer documentation for Microchip Technology ATTINY84-20PU.
ATTINY84-20PU Documents
ATTINY84-20PU Documents
Download datasheets and manufacturer documentation for ATTINY84-20PU
Frequently Asked Questions
Which kind of mcu substitute attiny85?
You can take a look at the STM8S series. It is not easy to decide. Basically, the STM8S103, 20pin should work.
Is there a significant difference between the ATTINY44 and ATTINY84?
The difference is in memory configuration. Attiny44 has 4k flash, 256byte EEPROM, 256byte SRAM. The attiny84 has double thst with 8k flash, 512bytes EEPROM & 512byte SRAM.
FAQ
Which kind of mcu substitute attiny85?
You can take a look at the STM8S series. It is not easy to decide. Basically, the STM8S103, 20pin should work.
Is there a significant difference between the ATTINY44 and ATTINY84?
The difference is in memory configuration. Attiny44 has 4k flash, 256byte EEPROM, 256byte SRAM. The attiny84 has double thst with 8k flash, 512bytes EEPROM & 512byte SRAM.
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