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MaxLoader User’s Guide
70
28CXXX family devices support Software Data Protection. The user has an
option of either protecting or not protecting the data. This option must be
changed before the start of any programming operation. To change this option,
go to the Option selection under DEVICE/FUNCTION menu and make any
changes accordingly. To obtain more information about Software Data
Protection, please consult the device manufacturer’s specification.
Microchip PIC devices
Microchip PIC series is different from other Microcontrollers in that they have
an EPROM area as well as a CONFIGURATION FUSE. The configuration
fuse in the PIC family is used to setup Oscillator Type, Memory Code
Protection, Watchdog Timer, or Processor Mode, and etc. After
programming the EPROM portion, change the fuses of the items listed under
Option. Then you must program the configuration option in the Option menu.
Perform the following procedure:
1. Program the main memory
2. Click on the OPTION button
3. Set all of the configuration fuse in OPTION menu
4. Click on the Program configuration fuses button
You may also read the status of the Configuration Fuse under the OPTION
selection. In order to obtain more information about programming the
configuration fuse, contact Microchip technology at 602-786-7200 or consult
the appropriate data book.
Copy from a master chip to a new chip
1. Select the master device from select menu in Microcontroller.
2. Put the chip on the ZIF socket.
3. Click on the Device button and read the chip.
4. Click on the Option button and read the fuses.
5. Write down all of the option fuses [the memory protect must be
disabled] in order to copy the information from your master chip.