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 80C52 Compatible 8051 Instruction-Set Compatible Four 8-Bit I/O Ports Three 16-Bit Timer/Counters 256 Bytes Scratchpad RAM  Large On-Chip Memory 16kB EPROM (OTP) 1kB Extra On-Chip SRAM for MOVX  ROMSIZE Features Selects Effective On-Chip ROM Size...

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