APPENDICES
Signal Description
Pin No. | Signal Name | IN/OUT | Explanation | ||||||
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1 |
| DATA STROBE | IN | Data is latched at the leading edge of this | |||||
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2 - 9 |
| DATA 0 - 7 | IN | Parallel 8 bit data | |||||
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10 |
| ACKNLG | OUT | Data reception is completed and the printer is | |||||
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| ready for the next data reception when this |
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| signal becomes low. |
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11 |
| BUSY | OUT | The printer cannot receive data when this | |||||
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| signal is high. The signal becomes high under |
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| data receiving, |
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12 |
| PE | OUT | This signal becomes high when a paper empty | |||||
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| state is detected. |
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13 |
| SLCT | OUT | This signal becomes high when the printer is | |||||
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| selected and low when it is deselected. |
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| IN | This signal is used only for the |
14 |
| AUTO FEED | |||||||
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| interface. |
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| IN | This signal is used only for the |
31 |
| INPUT PRIME | |||||||
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| interface. |
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| OUT | This signal becomes low when the printer is in |
32 |
| FAULT | |||||||
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| the paper empty, |
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| IN | This signal is used only for the |
36 |
| SLCT IN | |||||||
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| interface. |