FIGURE 3-4:
WRITE SUCCESSFUL STATUS BAR
If the write fails, the status bar turns red and displays “Checksum verify failed”, as
shown in Figure 3-5. This error indicates the data was corrupted during the
programming sequence. If this error is displayed, write the program to the device again.
If this error continues, see Chapter 5. “Troubleshooting” for assistance.
FIGURE 3-5:
WRITE ERROR STATUS BAR
3.2.3
Automatic File Reload
Prior to each write, the imported hex file time stamp is compared to the version on the
disk. If the version on the disk is newer, it is reloaded. This occurs only when a hex file
has been read from the disk.
In the normal mode of operation, the hex file is updated with every build in MPLAB IDE.
This ensures that the latest version built by MPLAB IDE will be written to the device.
3.2.4
Verify Program Code
This function verifies the program written to the device against a hex file. It compares
all areas of memory including Program and Configuration.
To verify the code, import the hex file and click Verify . If the code is the same, the status
bar turns green and displays “Verified successfully”, as shown in Figure 3-6.
FIGURE 3-6:
VERIFY PROGRAM CODE STATUS BAR
If a discrepancy is found, the status bar turns red and displays the error “Verify Failed
Error in program memory”, as shown in Figure 3-7.
? 2004 Microchip Technology Inc.
DS40051D-page 15
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