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Miniprog1 | Cypress Semiconductor


Summary: 1 Reply, Latest post by SAMP.CY on 18 Oct 2015 11:54 PM PDT
Verified Answers: 0
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ChrisQLD's picture
56 posts

Anybody know if the PSoC1 Miniprog1 will have enough drive to program via opto-couplers. I have isolated all IO lines to the outside world with CNY17-4 opto's and would like to program the PSoC using the connector to the outside.


Chris D.

SAMP.CY's picture
Cypress Employee
44 posts

Hello Chris,

Firstly, Miniprog1 lines do not have enough strength to drive the diodes of opto-couplers. Secondly, the ISSP data line is bi-directional, and creating an opto-coupler wall will be difficult.

Sampath Selvaraj

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