ATmega8535
ATmega8535L

8-bit AVR with 8K Bytes In-System Programmable Flash

Features
• High-performance, Low-power AVR® 8-bit Microcontroller
• Advanced RISC Architecture
  – 130 Powerful Instructions – Most Single Clock Cycle Execution
  – 32 x 8 General Purpose Working Registers
  – Fully Static Operation 
  – Up to 16 MIPS Throughput at 16 MHz
  – On-chip 2-cycle Multiplier
• Nonvolatile Program and Data Memories
  – 8K Bytes of In-System Self-Programmable Flash
    Endurance: 10,000 Write/Erase Cycles
  – Optional Boot Code Section with Independent Lock Bits
    In-System Programming by On-chip Boot Program
    True Read-While-Write Operation
  – 512 Bytes EEPROM
    Endurance: 100,000 Write/Erase Cycles
  – 512 Bytes Internal SRAM
  – Programming Lock for Software Security
• Peripheral Features
  – Two 8-bit Timer/Counters with Separate Prescalers 
    and Compare Modes
  – One 16-bit Timer/Counter with Separate Prescaler, 
    Compare Mode, and Capture
    Mode
  – Real Time Counter with Separate Oscillator
  – Four PWM Channels
  – 8-channel, 10-bit ADC
    8 Single-ended Channels
    7 Differential Channels for TQFP Package Only
    2 Differential Channels with Programmable Gain 
    at 1x, 10x, or 200x for TQFP  Package Only
  – Byte-oriented Two-wire Serial Interface
  – Programmable Serial USART
  – Master/Slave SPI Serial Interface
  – Programmable Watchdog Timer with Separate On-chip Oscillator
  – On-chip Analog Comparator
• Special Microcontroller Features
  – Power-on Reset and Programmable Brown-out Detection
  – Internal Calibrated RC Oscillator
  – External and Internal Interrupt Sources
  – Six Sleep Modes: Idle, ADC Noise Reduction, 
    Power-save, Power-down, Standby and Extended Standby
• I/O and Packages
  – 32 Programmable I/O Lines
  – 40-pin PDIP, 44-lead TQFP, 44-lead PLCC, and 44-pad QFN/MLF
• Operating Voltages
  – 2.7 - 5.5V for ATmega8535L
  – 4.5 - 5.5V for ATmega8535
• Speed Grades
  – 0 - 8 MHz for ATmega8535L
  – 0 - 16 MHz for ATmega8535