Title:
Datamemoryandthetimercounterexperiment
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Description: 1. Basic experiment: Using a 62256RAM, as extended data memory chip, the first unit of its 0000H ~ 0EF1H write " 0101 0101" (55H), and then 0000H ~ 0EF1H cell contents were read out to check the " 0101 0101. " If correct, L1 LED flashing light, or L1 is always bright. 2. Extension test: the above " Check whether the ' 0101 0101 ' . If the right LED flashing light L1, or L1 is always bright." To " If the right LED L0, L2, L4, L6 for a group , L1, L3, L5, L7 to a group flashing light, or L0 ~ L7 full bright "
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