Data Memory Window

Data Memory Window Display

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

When using a hardware tool for debug, some registers may show an “R” for each nibble of data to represent a reserved resource.

Data Format

This window will have the following columns:

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.

Icons are located on the left side of the window.

Table 1. Data 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 to pop up this menu. Not all items may be visible for all 32-bit MCUs.

Table 2. Data Memory Window Content Menu
Item	Description
Virtual Address	Select virtual addresses for display. See your device data sheet for details.
Physical Address	Select physical addresses for display.
Symbolic Mode	Code Format Only Display disassembled hex code with symbols.
Hex Width Display	Data Format Only Set the hexadecimal display width. (Options depend on the device selected). Example: One byte, e.g., 00 01 02 ... 0E 0F Two bytes, e.g., 00 02 04 ... 0C 0E Four bytes, e.g., 00 04 08 0C
Fill Memory	Fill memory from Start Address to End Address with the value in Data. Specify other options in the Fill Memory dialog.
Go To	Go to the address/function specified using the Go To dialog.
Go To Source Line	Code Format Only Go to the corresponding line in source code in the editor.
Find	Find text specified using the Find dialog.
Output To File	Write the displayed window contents to a text file using the Output to File dialog.
Import Table	Import tabular data from a file into a Memory window using the Import Table dialog.
Export Table	Export tabular data from a Memory window into a file using the Export Table dialog.
Print	Print the contents of this window using the Print dialog. Note: If you have a large memory device, the number of pages printed can become very large. A suggestion is to print the window contents to a file (Print dialog, General tab, “Print to File” check box) and then select which pages from the file you need to print.
Adjust Table Columns	Adjust the columns automatically.