Applications Information

The proper use of bypass capacitors reduces noise generated by the IC into the ground plane. The pin description table indicates which pins should be connected to bypass capacitors and the appropriate ground plane.

It is recommended that one instance of a bypass capacitor should be connected to each pin/ball of the IC package. For example, if the pin description table shows four device pins associated with voltage supply A, a separate capacitor should be connected to each pin for a total of four capacitors.

Capacitors should be placed as close as possible to their corresponding device pins. Pins which recommend more than one value of capacitor per pin should place them in parallel with the lowest value capacitor first, closest to the pin.

Following any reset, the SCPBL is activated while applying a logic-high to the default stimulus pin, as indicated in Table 5. The design must ensure that the bootloader communication port and default stimulus pin are available or the SCPBL cannot be activated.