This the week Ligong ZLG7290 C code, which uses the I2C protocol, when, to expand the microcontroller pins.

ZLG7290实验\zlg7290
...........\zlg7290.c
...........\zlg7290.hex
...........\zlg7290.lnp
...........\zlg7290.LST
...........\zlg7290.M51
...........\zlg7290.OBJ
...........\zlg7290.Opt
...........\zlg7290.plg
...........\zlg7290.Uv2
...........\zlg7290_Uv2.Bak
ZLG7290实验

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