Can pin 19 on CY7C64613 (52-pin package) be grounded? | Cypress Semiconductor
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Can pin 19 on CY7C64613 (52-pin package) be grounded?
On the 52-pin part CY7C64613, can I connect pin 19 to ground?
This pin19 should be pulled to 3.3 volts not grounded. It is a input for factory purposes and therefore should not be floating. Pin 19 can be connected to 3.3 Volts either through a resistor or directly to 3.3 volts.
The reserve pins that are connected to ground can also be done either directly to ground or through a pull down resistor (we have done both on our boards).