8-bit CMOS microcontroller featuring an 8051 CPU core, operating at a maximum clock frequency of 24MHz. This industrial-grade component offers 8KB of FLASH 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, with supply voltage ranging from 4V to 6V. Packaged in a 44-terminal PQCC, it operates within an industrial temperature range of -40°C to 85°C.
Atmel AT89C52-20JI technical specifications.
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