中华学习机与PP-40打印接口插座芯位表

Author: 河南  党 卓 Date: 1993-06-04

        ┃          │插座芯位                  │信    号│  功        能  ┃
        ┠─────┼─────────────┼────┼────────┨
        ┃中华学习机│1                         │STROBE  │选通信号        ┃
        ┃打印卡    │2~ 9                     │DATA0~7│8 位并行数据总线┃
        ┃接口插座  │10                        │BUSY    │工作“忙”信号  ┃
        ┃          │12                        │GND     │地              ┃
        ┠─────┼─────────────┼────┼────────┨
        ┃PP- 40    │1                         │STROBE  │选通信号        ┃
        ┃绘图机    │2                         │GND     │地              ┃
        ┃接口插座  │3、5、7、9、11、13、15、17│DATA0~7│8 位并行数据总线┃
        ┃          │20                        │BUSY    │工作“忙”信号  ┃
        ┗━━━━━┷━━━━━━━━━━━━━┷━━━━┷━━━━━━━━┛