Atmel AVR AT90S1200-4SI, microprocessors, 5
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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 Rev. 0838E04/99 8-bit Microcontroller with 1K bytes In-System Programmable Flash AT90S1200 Pin Configuration (continued) 2 AT90S1200 AT90S1200 achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power consumption versus processing speed. The AVR core combines a rich instruction set with the 32 general purpose working registers. All the 32 registers are directly connected to the Arithmetic Logic Unit (ALU), allowing two independent registers to be accessed in one single instruction executed in one clock cycle. The resulting architecture is more code efficient while achieving throughputs up to ten times faster than conventional CISC microcontrollers.
Utilises 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 Nonvolatile Program Memory
* 1K Bytes 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
* One 8-bit Timer/Counter with Separate Prescaler
* 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
* Low-power, High-speed CMOS Process Technology
Power Consumption at 4 MHz, 3V, 25°C
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