DIFFERENTIAL SIGNALS
CN3 : Analog input, Analog output and Timer/Counter Pin Assignment.
Pin Number | Description | Pin Number | Description |
1 | Analog Input 0/+ | 20 | Analog Input 0/- |
2 | Analog Input 1/+ | 21 | Analog Input 1/- |
3 | Analog Input 2/+ | 22 | Analog Input 2/- |
4 | Analog Input 3/+ | 23 | Analog Input 3/- |
5 | Analog Input 4/+ | 24 | Analog Input 4/- |
6 | Analog Input 5/+ | 25 | Analog Input 5/- |
7 | Analog Input 6/+ | 26 | Analog Input 6/- |
8 | Analog Input 7/+ | 27 | Analog Input 7/- |
9 | Analog GND | 28 | Analog GND |
10 | Analog GND | 29 | Analog GND |
11 | D/A internal | 30 | D/A channel 0 analog |
| voltage reference output |
| voltage output |
12 | D/A channel 1 external | 31 | D/A channel 0 external |
| voltage reference input |
| voltage reference input |
13 | +12V Output | 32 | D/A channel 1 analog |
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|
| voltage output |
14 | Analog GND | 33 | User timer/counter GATE |
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|
| control input |
15 | Digital GND output | 34 | Timer/counter 1&2 GATE |
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|
| control input |
16 | User timer/counter output | 35 | Timer/counter 1 output |
17 | External trigger source | 36 | Reserved |
| input/TTL |
|
|
18 | Reserved | 37 | User timer/counter external |
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|
| clock input (internal=2M) |
19 | +5V output | XXXXXXX | This pin not available |