8-Bit Microcontroller featuring an 8051 CPU core, operating at a maximum clock frequency of 24MHz with a speed of 20MHz. This FLASH-programmable device offers 8192 words of ROM and 256 bytes of RAM, with 32 programmable I/O lines. It supports an 8-bit external data bus and a 16-bit address bus, operating within a supply voltage range of 4V to 6V. Packaged in a 40-pin PDIP (R-PDIP-T40) with a commercial temperature grade, it functions between 0°C and 70°C.
Atmel AT89C52-20PC technical specifications.
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