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What is ISSP? | Cypress Semiconductor

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What is ISSP?

Last Updated: April 16, 2012

What is ISSP?


ISSP is In-System-Serial-Programming. PSoC device can be programmed in the system without removing it from board.  Following are some application notes that give more detail about the protocol and the design guidelines to implement the protocol on a PSoC board.  There are some design guidelines to support ISSP.  Please refer to the following documents:

AN2014 - Design for ISSP

AN2026A - ISSP for CY8C21xxx / CY8C22xxx / CY8C24x43 / CY8C27x43

AN2026B - ISSP for CY8C24x94, CY8C29x66

AN44168 - Host Sourced Serial Programming


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