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8-Bit Microcontroller with 1K bytes In-System Programmable Flash


The AT90S1200 is a low-power CMOS 8-bit microcontroller based on the AVR RISC architecture. By executing powerful instructions in a single clock cycle, the AT90S1200 achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power consumption versus processing speed.

• Utilizes the AVR® RISC Architecture
• AVR –High-performance and Low-power RISC Architecture
    –89 Powerful Instructions –Most Single Clock Cycle Execution
    –32 x 8 General Purpose Working Registers
    –Up to 12 MIPS Throughput at 12 MHz
• Data and Non-volatile Program Memory
    –1K Byte of In-System Programmable Flash Endurance: 1,000 Write/Erase Cycles
    –64 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
    –On-chip Analog Comparator
    –Programmable Watchdog Timer with On-chip Oscillator
    –SPI Serial Interface for In-System Programming
• Special Microcontroller Features
    –Low-power Idle and Power-down Modes
    –External and Internal Interrupt Sources
    –Selectable On-chip RC Oscillator for Zero External Components
• Specifications
    –Low-power, High-speed CMOS Process Technology
    –Fully Static Operation
• Power Consumption at 4 MHz, 3V, 25°C
    –Active: 2.0 mA
    –Idle Mode: 0.4 mA
    –Power-down Mode: <1 µA
• I/O and Packages
    –15 Programmable I/O Lines
    –20-pin PDIP, SOIC and SSOP
• Operating Voltages
    –2.7 - 6.0V (AT90S1200-4)
    –4.0 - 6.0V (AT90S1200-12)
• Speed Grades
    –0 - 4 MHz, (AT90S1200-4)
    –0 - 12 MHz, (AT90S1200-12)


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