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Product Information Device Database® Downloads Compliance Testing Distributors | Atmel AT89C51RE2The Atmel AT89C51RE2 is an 80C52 Compatible High-Speed Microcontroller, 128K ISP-Flash on-chip, 256 Bytes Scratch Pad RAM, 8192 Bytes on-chip XRAM, Dual Data Pointer, up to 6 8-bit I/O Ports, 3 16-bit Timer/Counters, 10 Interrupt Sources with 4 Priority Levels, Integrated Power Monitor, SPI, 16-bit PCA, PWM, 2 UARTs, and WDT.
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