The high-performance, low-power Atmel 8-bit AVR RISC-based microcontroller combines 8KB ISP flash memory, 512B EEPROM, 512-Byte SRAM, 6 general purpose I/O lines, 32 general purpose working registers, one 8-bit timer/counter with compare modes, one 8-bit high speed timer/counter, USI, internal and external interrupts, 4-channel 10-bit A/D converter, programmable watchdog timer with internal oscillator, three software selectable power saving modes, and debugWIRE for on-chip debugging. The device achieves a throughput of 1 MIPS per MHz at 20 MHz and operates between 2.7V and 5.5V.
By executing powerful instructions in a single clock cycle, the device achieves throughputs approaching 1 MIPS per MHz, balancing power consumption and processing speed.
The ATtiny85-20PU is an 8-bit microcontroller based on the AVR RISC architecture, designed for applications requiring low power consumption and efficient performance. Manufactured by Microchip (formerly Atmel), this component offers a compact and versatile solution for embedded development.
It is ideal for projects requiring few pins but sufficient memory, such as sensor management, controlled LED lighting, or simple user interfaces. Its RISC architecture allows most instructions to be executed in a single clock cycle, achieving a throughput of nearly 1 MIPS at 1 MHz.
| Specification | Value |
|---|---|
| CPU Family | 8-bit AVR RISC |
| Max Frequency | 20 MHz |
| Supply Voltage | 2.7 V to 5.5 V |
| Flash Memory | 8 KB (ISP) |
| EEPROM | 512 bytes |
| SRAM | 512 bytes |
| General Purpose I/O | 6 |
| Working Registers | 32 |
| ADC Converter | 10-bit, 4 channels |
| Timer/Counter | One 8-bit (compare) + One 8-bit high-speed |
| Serial Interface | USI (Universal Serial Interface) |
| Debugging | debugWIRE |
| Power Saving Modes | 3 software-selectable modes |
| Package | PDIP-8 / SOIC-8 |
This microcontroller is compatible with the Arduino environment (via the board manager) and can be programmed using common interfaces such as USBasp, AVRISP, or an Arduino acting as a programmer.
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