This document describes a high-performance, low-power AVR 8-bit microcontroller with advanced RISC architecture, including 130 powerful instructions, most of which can be executed in a single clock cycle. It has 8KB of in-system self-programmable flash and 512 bytes of EEPROM, as well as various peripheral features such as timers/counters, PWM channels, ADC, and serial interfaces.
The ATmega8535 microcontroller features a high‑performance, low‑power AVR® 8‑bit core with up to 16 MIPS at 16 MHz. It includes 8 KB of in‑system self‑programmable flash, 512 B EEPROM, 512 B SRAM, 32 general‑purpose I/O lines, multiple timer/counters, a 10‑bit ADC, USART, SPI, and various power‑saving modes.
The datasheet provides detailed pin configurations for PDIP, TQFP, PLCC and QFN packages, electrical specifications such as operating voltage ranges (2.7‑5.5 V for ATmega8535L, 4.5‑5.5 V for ATmega8535) and speed grades (0‑8 MHz for L version, 0‑16 MHz for standard), as well as functional descriptions of ports, reset behavior, and programming options.
| Flash Memory | 8 KB |
|---|---|
| EEPROM | 512 Bytes |
| SRAM | 512 Bytes |
| Operating Voltage (ATmega8535L) | 2.7 V – 5.5 V |
| Operating Voltage (ATmega8535) | 4.5 V – 5.5 V |
| Speed Grade (ATmega8535L) | 0 MHz – 8 MHz |
| Speed Grade (ATmega8535) | 0 MHz – 16 MHz |
| ADC Channels | 8‑channel, 10‑bit |
| PWM Channels | 4 |
| I/O Lines | 32 programmable I/O |
The ATmega8535 provides 8 KB of in‑system self‑programmable flash memory.
The ATmega8535L operates from 2.7 V to 5.5 V.
The device offers 32 programmable I/O lines.
The ATmega8535 runs up to 16 MHz, while the ATmega8535L runs up to 8 MHz.