AT90S4414
AT90S8515

8-bit AVR Microcontroller with 4K/8Kbytes In-System
Programmable Flash

Features
• Utilizes the AVR® RISC Architecture
• AVR - High-performance and Low-power RISC Architecture
 – 118 Powerful Instructions - Most Single Clock Cycle Execution
 – 32 x 8 General Purpose Working Registers
 – Up to 8 MIPS Throughput at 8 MHz
• Data and Nonvolatile Program Memory
 – 4K/8K Bytes of In-System Programmable Flash
   Endurance: 1,000 Write/Erase Cycles
 – 256/512 Bytes of SRAM
 – 256/512 Bytes of In-System Programmable EEPROM
   Endurance: 100,000 Write/Erase Cycles
 – Programming Lock for Flash Program and EEPROM Data Security
• Peripheral Features
 – One 8-bit Timer/Counter with Separate Prescaler
 – One 16-bit Timer/Counter with Separate Prescaler
   Compare, Capture Modes and Dual 8-, 9- or 10-bit PWM
 – On-chip Analog Comparator
 – Programmable Watchdog Timer with On-chip Oscillator
 – Programmable Serial UART
 – Master/Slave SPI Serial Interface
• Special Microcontroller Features
 – Low-power Idle and Power Down Modes
 – External and Internal Interrupt Sources
• Specifications
 – Low-power, High-speed CMOS Process Technology
 – Fully Static Operation
• Power Consumption at 4 MHz, 3V, 25°C
 – Active: 3.0 mA
 – Idle Mode: 1.0 mA
 – Power Down Mode: <1 µA
• I/O and Packages
 – 32 Programmable I/O Lines
 – 40-pin PDIP, 44-pin PLCC and TQFP
• Operating Voltages
 – 2.7 - 6.0V (AT90S4414-4 and AT90S8515-4)
 – 4.0 - 6.0V (AT90S4414-8 and AT90S8515-8)
• Speed Grades
 – 0 - 4 MHz (AT90S4414-4 and AT90S8515-4)
 – 0 - 8 MHz (AT90S4414-8 and AT90S8515-8