
| 
 | Specifications | ||||
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 | 
 | Table 18.  | |||
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| 
 | Pin | Signal Name | Pin | Signal Name | 
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| 
 | 1 | AGND | 26 | DGND | 
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| 
 | 2 | CH0 IN | 27 | DIO0 | 
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| 
 | 3 | CH8 IN | 28 | DIO1 | 
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| 
 | 4 | CH1 IN | 29 | DIO2 | 
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| 
 | 5 | CH9 IN | 30 | DIO3 | 
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| 
 | 6 | CH2 IN | 31 | NC | 
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| 
 | 7 | CH10 IN | 32 | NC | 
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| 
 | 8 | CH3 IN | 33 | NC | 
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| 
 | 9 | CH11IN | 34 | NC | 
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| 
 | 10 | CH4 IN | 35 | DA GND0 | 
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| 
 | 11 | CH12 IN | 36 | DA OUT0 | 
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| 
 | 12 | CH5 IN | 37 | DA GND1 | 
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| 
 | 13 | CH13 IN | 38 | DA OUT1 | 
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| 
 | 14 | CH6 IN | 39 | CTR1 CLK | 
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| 
 | 15 | CH14 IN | 40 | CTR1 GATE | 
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| 
 | 16 | CH7 IN | 41 | CTR1 OUT | 
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 | 17 | CH15 IN | 42 | A/D EXTERNAL PACER | 
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 | 18 | AGND | 43 | EXTERNAL INTERRUPT | 
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| 
 | 19 | N/C | 44 | A/D PACER GATE | 
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 | 20 | N/C | 45 | A/D EXTERNAL TRIGGER | 
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 | 21 | N/C | 46 | N/C | 
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 | 22 | N/C | 47 | A/D PACER OUT | 
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 | 23 | N/C | 48 | VDD +5V POWER | 
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 | 24 | N/C | 49 | N/C | 
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 | 25 | N/C | 50 | DGND | 
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25
