1
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)
Rev. 0841E–04/99
8-bit
Microcontroller
with 4K/8K
bytes In-System
Programmable
Flash
AT90S4414
AT90S8515
Pin Configurations
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