18.3.3 Entering Parallel Programming Mode

The following algorithm puts the device in Parallel Programming mode:

1. Apply the supplies as described in table Signal Description List.
2. External clock is applied to the XIN pin within the VDDCORE POR reset time-out period, as defined in the section “Electrical Characteristics”.
3. Wait for the end of this reset period.
4. Start a read or write handshaking.