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Mesa Electronics 7i85 5-channel RS-422 + 4-channel Encoder Daughter Card
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Revision as of 18:46, 22 January 2023
36 bytes added
,
18:46, 22 January 2023
clarified TTL polarity
Line 76:
Line 76:
| 7i85 ← Encoder
| 7i85 ← Encoder
| active high (compared to A-)
| active high (compared to A-)
−
| TTL input w/ pull-up
+
|
active high
TTL input w/ pull-up
|-
|-
| 2
| 2
Line 94:
Line 94:
| 7i85 ← Encoder
| 7i85 ← Encoder
| active high (compared to B-)
| active high (compared to B-)
−
| TTL input w/ pull-up
+
|
active high
TTL input w/ pull-up
|-
|-
| 5
| 5
Line 112:
Line 112:
| 7i85 ← Encoder
| 7i85 ← Encoder
| active high (compared to Z-)
| active high (compared to Z-)
−
| TTL input w/ pull-up
+
|
active high
TTL input w/ pull-up
|-
|-
| 8
| 8
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