forked from sinara-hw/assembly
59 lines
1.7 KiB
Markdown
59 lines
1.7 KiB
Markdown
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# Sinara 2118 BNC-TTL / 2128 SMA-TTL
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* [Datasheet](https://m-labs.hk/docs/sinara-datasheets/2118-2128.pdf)
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* [Wiki DIO BNC](https://github.com/sinara-hw/DIO_BNC/wiki)
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* [Wiki DIO SMA](https://github.com/sinara-hw/DIO_SMA/wiki)
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## JSON
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```json
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{
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"type": "dio",
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"board": "DIO_BNC", // or "DIO_SMA"
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"hw_rev": "vX.Y", // optional
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"ports": [<port num>],
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"edge_counter": <bool>,
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"bank_direction_low": "input",
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"bank_direction_high": "output"
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}
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```
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## Setup
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Switch the direction switches (shown on the picture below) according to customer requests.
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Remember, that you can only switch directions in groups of four.
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## Test
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### Output
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```text
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*** Testing TTL outputs.
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Outputs are tested in groups of 4. Touch each TTL connector
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with the oscilloscope probe tip, and check that the number of
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pulses corresponds to its number in the group.
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Press ENTER when done.
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Testing TTL outputs: ttl0, ttl1, ttl2, ttl3.
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```
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1. Touch each TTL connector with the oscilloscope probe tip
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2. Adjust time- and voltage- scale and trigger threshold so that you clearly see square pulse
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3. Check that first TTL connector outputs 1 pulse, second - 2... fourth - 4 pulses
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4. Repeat 1-3 for each group of TTL connectors
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### Input
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```text
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*** Testing TTL inputs.
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TTL device to use as stimulus (default: ttl4): ttl4
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Connect ttl4 to ttl0. Press ENTER when done.
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...
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```
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1. Mount a wire with respective connector to the chosen TTL output (any should work, choose most convenient one)
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2. Connect the end of the wire to the TTL input requested by the `artiq_sinara_test` (you may use fast connector for SMA)
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3. Press ENTER and check that `artiq_sinara_test` prints `PASSED`
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4. Repeat 2-3 for every connector
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