AT80C51RD2-3CSUM

The AT80C51RD2-3CSUM is a 8-bit High-performance Microcontroller retains all features of the 80C52 and adds programmable counter array, 1024 bytes of XRAM, hardware watchdog timer, keyboard interface, versatile serial channel that facilitates multiprocessor communication (EUART) and a speed improvement mechanism (X2 mode). The device has two software-selectable modes of reduced activity and a 8-bit clock prescaler to further reduce power consumption. In idle mode, the CPU is frozen while the peripherals and the interrupt system operate. In the power-down mode, the RAM is saved and all other functions are inoperative.

• 60MHz Maximum operating frequency
• 2.7 to 5.5V Operating voltage

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