ATtiny28L
ATtiny28V

8-bit AVR with 2K Bytes In-System Programmable Flash

Features
• Utilizes the AVR® RISC Architecture
• AVR – High-performance and Low-power RISC Architecture
  – 90 Powerful Instructions – Most
    Single Clock Cycle Execution
  – 32 x 8 General-purpose Working Registers
  – Up to 4 MIPS Throughput at 4 MHz
• Nonvolatile Program Memory
  – 2K Bytes of Flash Program Memory
  – Endurance: 1,000 Write/Erase Cycles
  – Programming Lock for Flash Program Data Security
• Peripheral Features
  – Interrupt and Wake-up on Low-level Input
  – One 8-bit Timer/Counter  with Separate Prescaler
  – On-chip Analog Comparator
  – Programmable Watchdog Timer with On-chip Oscillator
  – Built-in High-current LED Driver with Programmable Modulation
• Special Microcontroller Features
  – Low-power Idle and Power-down Modes
  – External and Internal Interrupt Sources
  – Power-on Reset Circuit with Programmable Start-up Time
  – Internal Calibrated RC Oscillator
• Power Consumption at 1 MHz, 2V, 25°C
  – Active: 3.0 mA
  – Idle Mode: 1.2 mA
  – Power-down Mode: <1 µA
• I/O and Packages
  – 11 Programmable I/O Lines, 8 Input Lines and a High-current 
    LED Driver
  – 28-lead PDIP, 32-lead TQFP, and 32-pad MLF
• Operating Voltages
  – VCC: 1.8V - 5.5V for the ATtiny28V
  – VCC: 2.7V - 5.5V for the ATtiny28L
•Speed Grades
  – 0 - 1.2 MHz for the ATtiny28V
  – 0 - 4 MHz For the ATtiny28L