Atmel's AT89LP family, based on a single-cycle 8051 core, is 12 times faster than the standard 8051 core, according to the company. These devices are optimised for applications that require low power consumption and at the same time high performance, at low cost.
As the company explains, the AT89LP CPU requires only one clock cycle for every byte fetch, whereas the classic 8051 CPU requires 12 clock cycles for every byte fetch. The AT89LP core is capable of 20 MIPS throughput at 20 MHz clock frequency. In comparison, the classic 8051 architecture delivers less than 2 MIPS at 20 MHz. Conversely, at the same MIPS throughput as the classic 8051, the AT89LP core runs at a much lower clock frequency, thereby reducing power consumption by 85%.
A wide operating voltage range of 2,0 V to 5,5 V is offered to accommodate power management, white goods and battery-operated applications.
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