计算机并行接口外观是 25 针母插座,(见下图),顾名思义并行口传输的是并行数据8位数据同时传输,数据位是从D0到D8一共8位,其他的控制位有很多。我们常见的电脑打印机一般都是使用计算机并行接口的. 计算机并行口
Pin | Name | Dir | Description |
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1 | /STROBE | | Strobe | 2 | D0 | | Data Bit 0 | 3 | D1 | | Data Bit 1 | 4 | D2 | | Data Bit 2 | 5 | D3 | | Data Bit 3 | 6 | D4 | | Data Bit 4 | 7 | D5 | | Data Bit 5 | 8 | D6 | | Data Bit 6 | 9 | D7 | | Data Bit 7 | 10 | /ACK | | Acknowledge | 11 | BUSY | | Busy | 12 | PE | | Paper End | 13 | SEL | | Select | 14 | /AUTOFD | | Autofeed | 15 | /ERROR | | Error | 16 | /INIT | | Initialize | 17 | /SELIN | | Select In | 18 | GND | | Signal Ground | 19 | GND | | Signal Ground | 20 | GND | | Signal Ground | 21 | GND | | Signal Ground | 22 | GND | | Signal Ground | 23 | GND | | Signal Ground | 24 | GND | | Signal Ground | 25 | GND | | Signal Ground | pc并行接口引脚定义
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