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将苦味酊涂在吮指癖患儿的手指上进行治疗属
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For 8051 single chip microcomputer, its internal RAM 20h-2FH unit is used.
After the MCS-51 is reset, the MCU starts to execute instructions from the () unit of ROM.
The program counter PC of 8051 is a 16 bit counter, and its addressing range is ()
Mode 0 of. 82c55 is unconditional input and output mode.
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