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illegal ISR loop 28027

Other Parts Discussed in Thread: TMS320F28027

Hi,

I am using TMS320f28027. Because my code is getting longer, so I changes the CMD file as following.

original cmd:

page0:
FLASHD : origin = 0x3F0000, length = 0x002000 /* on-chip FLASH */
FLASHC : origin = 0x3F2000, length = 0x002000 /* on-chip FLASH */
FLASHA : origin = 0x3F4030, length = 0x003F50 /* on-chip FLASH */
Page 1:
FLASHB : origin = 0x3F4000, length = 0x000020 /* on-chip FLASH */

Modified CMD:

page0:
FLASHD : origin = 0x3F0000, length = 0x002000 /* on-chip FLASH */
FLASHC : origin = 0x3F2000, length = 0x001000 /* on-chip FLASH */
FLASHA : origin = 0x3F3030, length = 0x004F50 /* on-chip FLASH */
Page 1:
FLASHB : origin = 0x3F3000, length = 0x000020 /* on-chip FLASH */

After Modification, The code gets compiled properly.
When I run the code , The DSP gets trapped in Illegal ISR loop and program stops.
How should I solve this issue.

Best Regards,