P&E Microcomputer Systems XPC560S EVB User Manual page 35

Off
J17 – Debug Port Voltage Configuration
Sets the logic voltage level on the 14-pin JTAG port and 38-pin MICTOR port
(if available). These ports are used by external interface hardware to
communicate with the processor.
Jumper Setting
1+2 (default)
2+3
J18 – 3.3V MCU Power Enable
Allows 3.3V to be selected for the various power pins on the MPC560xS
processor.
Jumper Setting
On (default)
Off
J22 – VDDE_A Voltage Selection
Sets the voltage level on the MPC560xS "VDD_IO_B" and "VDD_IO_C"
xPC560S EVB User Manual
MPC560xS "VDD 1V2" pins are left disconnected
Effect
Debug port(s) are configured for 5V logic
Debug port(s) are configured for 3.3V logic
Effect
3.3V is available to power the various power supply
pins on the MPC560xS processor
3.3V cannot be used to power any of the various
power supply pins on the MPC560xS processor
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