Description
ATtiny85 8-Bit tinyAVR Microcontrollers
The Atmel ATtiny85 Microcontroller is an 8-bit device based on the AVR enhanced RISC architecture. Being an Atmel tinyAVR device the ATtiny85 is packs performance and power efficiency into a small package, perfect for applications where space is at a premium. By executing powerful instructions in a single clock cycle the ATtiny85 achieves throughputs approaching 1 MIPS per MHz, balancing power consumption and speed.
Microcontroller Features
20 MHz Max. Operating Frequency
8 KB Flash
512 Bytes EEPROM
0.5 KB SRAM
120 Instructions – Most single clock cycle execution
32 General Purpose Registers
6 GPIO
debugWIRE On-chip Debug System
In-System Programmable via SPI Port
External and Internal Interrupt Sources
Low Power Idle, ADC Noise Reduction, and Power-down Modes
Enhanced Power-on Reset Circuit
Programmable Brown-out Detection Circuit
Internal Calibrated Oscillator
8 KB Flash
512 Bytes EEPROM
0.5 KB SRAM
120 Instructions – Most single clock cycle execution
32 General Purpose Registers
6 GPIO
debugWIRE On-chip Debug System
In-System Programmable via SPI Port
External and Internal Interrupt Sources
Low Power Idle, ADC Noise Reduction, and Power-down Modes
Enhanced Power-on Reset Circuit
Programmable Brown-out Detection Circuit
Internal Calibrated Oscillator
Peripheral Features
8-bit Timer/Counter with Prescaler and Two PWM Channels
8-bit High-Speed Timer/Counter with Separate Prescaler
Universal Serial Interface (USI) with Start Condition Detector
10-bit Analogue-to-Digital Converter – 4 Channels
Programmable Watchdog Timer with Separate On-chip Oscillator
On-chip Analogue Comparator
8-bit High-Speed Timer/Counter with Separate Prescaler
Universal Serial Interface (USI) with Start Condition Detector
10-bit Analogue-to-Digital Converter – 4 Channels
Programmable Watchdog Timer with Separate On-chip Oscillator
On-chip Analogue Comparator
Specifications
| Attribute | Value |
| Family Name | ATtiny85 |
| Package Type | PDIP |
| Mounting Type | Through Hole |
| Pin Count | 8 |
| Device Core | AVR |
| Data Bus Width | 8bit |
| Program Memory Size | 8 kB |
| Maximum Frequency | 20MHz |
| RAM Size | 512 B |
| USB Channels | 0 |
| Number of PWM Units | 1 |
| Number of SPI Channels | 1 |
| Number of CAN Channels | 0 |
| Number of USART Channels | 0 |
| Typical Operating Supply Voltage | 2.7 → 5.5 V |
| Number of I2C Channels | 1 |
| Number of UART Channels | 0 |
| Minimum Operating Temperature | -40 °C |
| Number of ADC Units | 1 |
| ADCs | 4 x 10 bit |
| Program Memory Type | Flash |
| Height | 4.826mm |
| Number of LIN Channels | 0 |
| Width | 7.112mm |
| Pulse Width Modulation | 1 (6 Channel) |
| Dimensions | 10.16 x 7.112 x 4.826mm |
| Length | 10.16mm |
| Instruction Set Architecture | RISC |
| Maximum Operating Temperature | +85 °C |
| Number of PCI Channels | 0 |
| Maximum Number of Ethernet Channels | 0 |
| Number of Ethernet Channels | 0 |
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