The devices have 10 Configuration Bytes, starting at address 30 0000h. The Configuration bits enable or disable specific features, placing these controls outside the normal software process, and they establish configured values prior to the execution of any software.
1
= ON
:
Low-Voltage Programming is enabled.
MCLR/VPP pin
function is MCLR. The
MCLRE Configuration bit is ignored.0
= OFF
: High
voltage on
MCLR/VPP must
be used for programming.0
’) while operating from the LVP
programming interface. The purpose of this rule is
to prevent the user from dropping out of LVP mode
while programming from LVP mode, or accidentally
eliminating LVP mode from the Configuration state.
For more information, refer to Low-Voltage Programming (LVP) Mode.1
: RA3 pin function is
MCLR0
1
= RA3 pin is
MCLR0
= RA3 pin function is a port-defined
function1
=
OFF
: User NVM code protection is disabled0
=
ON
: User NVM code protection is enabledFor more information on code protection, see the Code Protection section.