Programming the device using ISSP protocal

Question: Is the ISSP protocol available for developers wishing to implement their own ISSP programmer?



Yes, you can use ISSP protocol. Please refer to the following application notes for further detail:

AN2026A - ISSP Protocol for CY8C21xxx/CY8C22xxx/CY8C24xxx/CY8C24xxxA/CY8C27xxx

AN2026B - ISSP Protocol for CY8C24x94, CY8C28xxx, CY8C29x66, CY8CTST120, CY8CTMA120, CY8CTMG120, CY8C21345, CY8C22x45