External EBI, SQI, or DDR Memory Window

To see external memory contents in this window:

• Allocate functions/variables to external memory in your code - see the “MPLAB XC32/XC32++ C Compiler User’s Guide” (DS50001686) for details.
• Load symbols - File>Properties, “Loading” category, check “Load symbols when programming or building for production (slows process).”
• Compile your code - Build the project.

You may specify how memory is displayed in the window by selecting from the Format drop-down box on the bottom of the window:

Code Format

This window will have the following columns:

• Line – Reference line number corresponding to memory address.
• Address – Physical hexadecimal address of the opcode.
• Opcode – Hexadecimal opcode, shown in 4-byte blocks
The opcode that is highlighted represents the current location of the program counter.
• Label – Opcode label in symbolic format.
• Disassembly – A disassembled version of the opcode mnemonic.

Data Format

This window will have the following columns:

• Address – Hexadecimal address of the data in the next column.
• Data Blocks – Hexadecimal data, shown in 4-byte blocks.
• ASCII – ASCII representation of the corresponding line of data.

Icons are located on the left side of the window.

Table 1. External Memory Window Icons

Icon	Icon Text	Function
	Refresh by Read Device Memory	Same function as the Debug toolbar “Read Device Memory” icon - uploads device memory to the MPLAB X IDE.
	Find	Specify a string to find in the window. Select to match whole word or case.
	Find Next	Find next instance of string from Find.
	Find Previous	Find previous instance of string from Find.
	Go To	Go to specified line number or address.

Right click in the memory window data area set to CODE FORMAT to pop up this menu. Not all items may be visible for all 32-bit MCUs.

Right click in the memory window data area set to DATA FORMAT to pop up the menu. Not all items may be visible for all 32-bit MCUs.