Hello all I have designed a board with an XC3S400 and an XCF02S. I can configure both devices through the JTAG interface but master mode configuration doesn't work. I have a 3,3V compliant interface because I need 3,3V pins on all I/O banks.
- M0-M2 pins are grounded
- There is a 100 ohms resistor between Prog_b and /CF & pull-up
- CCLK runs OK (2,5V)
- D0 toggles between 1,5 & 3V !
- Done remains low I have all pull-ups on Done (470), Prog & Init (4,7k)
Any help is welcome