User manual

MPLAB PM3 – MPLAB IDE Reference

7.5.2.1 CHANGING VOLTAGE SETTINGS

Change voltage settings only if the application runs at the extreme voltage operating

range. Most users will never need to change the default voltage settings.

• Flash Devices: V

DD APP is the voltage that a Flash device will be verified.

• Non-Flash Devices: V

DD MAX and VDD MIN are the voltages at which

programmed microcontroller devices will be verified.

•V

DD NOM is the voltage at which the device will be programmed.

•

VPP is the voltage at which the device will enter programming mode.

Select Programmer>Settings

and click on the Voltages tab to display the current

voltage settings. To change a voltage, select the desired V

DD minimum, nominal,

maximum or

VPP voltage value from the list next to each setting.

TABLE 7-8: VOLTAGE SETTINGS

7.5.2.2 USING LOW VOLTAGE PROGRAM

The Low Voltage Program checkbox under Voltages functions as follows:

• Enabled only when a Flash device that is low voltage capable is selected.

• Selection is transferred from MPLAB IDE to MPLAB PM3 by performing a Blank

Check, read, program, verify or transfer to MPLAB PM3. Transfer from the pro-

grammer will not update the checkbox in MPLAB IDE.

• Setting of the low voltage checkbox has no impact on the enabling/disabling of the

low voltage Configuration bit.

• Only performs a Low Voltage Program in ICSP mode. See

Section 7.6.2.1 “Using Low Voltage Program”.

Note: The voltage range and default voltage setting may be different for each

microcontroller device type. Refer to the device programming specification

for voltage values for each device.

Voltage Selection Default Voltage

VDD APP (2.00 .. 5.5) 5.00

VDD MIN (2.00 .. 5.5) 3.00

VDD MAX (2.00 .. 5.5) 5.50

VDD NOM (2.00 .. 5.5) 5.00

VPP (12.5 .. 13.5) 13.25