XPC564A Datasheet, PDF (54/67 Pages) Freescale Semiconductor, Inc – Evaluation system supporting Freescale MPC564xA microprocessors

On (default)
Off
MPC564xA I/O Supply Input pins are connected to
3.3V or 5V (determined by J18)
MPC564xA I/O Supply Input pins are unpowered
J15 – Internal VDD enable
Controls whether power is provided to the “Internal Logic Supply Input” pins
on the MPC564xA processor.
Jumper Setting Effect
On (default)
MPC564xA Internal Logic Supply Input pins are
connected to 1.2V
MPC564xA Internal Logic Supply Input pins are
Off
unpowered
J16 – VDDE12 Voltage Configuration (xPC564AADPT176S only)
Controls whether power is provided to the “VDDE12” pins on the MPC564xA
processor.
Jumper Setting Effect
On
MPC564xA VDDE12 pins are connected to 3.3V
Off (default)
MPC564xA VDDE12 pins are only connected to
bypass capacitors
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xPC564A EVB User Manual