PROGRAM_B low when board is powered up | Cypress Semiconductor
PROGRAM_B low when board is powered up
in my project i employ a Kintex7 connected to Cypress FX3. I've connected PROGRAM_B to GPIO . since PROGRAM_B (active low sognal) has a pull-up resistor attached to 2.5v i suppose it has to remain high at power up.
I've tested the voltage and one end of the pull-up resistor is correctly at 2.5v but the other end connected to FX3 through a 22ohm resistor is.....grounded.... in fact there is a 2.5v drop accross the pull-up resistor
is this normal ?
if no can anyone help me with this ?