827 1. 1. 2. 3. 4. 5. mcs51 rs-232 ? 46h mcs51 pc 10 h ...¾®机原理.pdf · 2. tl 200us 12mhz)...
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- 827 1. 1. 2. 3. 4. 5. MCS51 RS-232 ? 46H MCS51 PC 10 h ...¾®机原理.pdf · 2. Tl 200us 12MHz) (10 3. 20H—29H 10 11.0592MHz, 9600, Tl 4. #1 8Kx8EPROM, 2764 ( 8K X 8) 74LS138,
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