| 數據位 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
| 說明 | P3端口 read = 0 write = 1 | P2端口 read = 0 write = 1 | P1端口 read = 0 write = 1 | P0端口 read = 0 write = 1 | 使能P3端口 | 使能P2端口 | 使能P1端口 | 使能P0端口 |
C51_UART_EIO.zip
(24.26 KB, 下載次數: 19)
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