The following are known CWCheat Codes for Castlevania: The Dracula X Chronicles on Sony Playstation Portable (PSP).

_S ULUS-10277
_G Castlevania: The Dracula X Chronicles [US]
_C0 Infinite Health
_L 0xA8AF19B0 0x00000300
_L 0x18BF8B28 0x00005C5C
_L 0xD2000000 0x00000000
_C0 Infinite Health
_L 0x19163F24 0x0000270F
_C0 Infinite Hearts
_L 0xA8AF19B0 0x00000300
_L 0x18BF8B2A 0x00006363
_L 0xD2000000 0x00000000
_C0 Infinite Hearts
_L 0x19163F3C 0x000003E8
_C0 Infinite Hearts Maria 
_L 0x00963F3C 0x00000063
_C0 Infinite Lives
_L 0x28BF8B3C 0x00000063
_C0 Infinite MP
_L 0x19163F44 0x000003E7
_C0 LCK MOD
_L 0x00963F58 0x00000063
_C0 Max / Infinite Gold
_L 0x09163F84 0x3B9AC9FF
_C0 MAX CON
_L 0x00963F50 0x00000063
_C0 Max Health
_L 0x19163F28 0x0000270F
_C0 Max Hearts
_L 0x19163F40 0x000003E8
_C0 MAX HP
_L 0x10963F38 0x0000270F
_C0 MAX INT
_L 0x00963F54 0x00000063
_C0 Max MP
_L 0x19163F48 0x000003E7
_C0 MAX MP
_L 0x10963F40 0x0000270F
_C0 Max Score
_L 0x08BF8B30 0x05F5E0FF
_C0 MAX STR
_L 0x00963F4C 0x00000063
_C0 Max/Infinite Credits
_L 0x18BF8B38 0x0000270F
_C0 Original RoB 99 Hearts
_L 0x004EF514 0x00000063
_C0 Original RoB 99 Rest
_L 0x004EF50D 0x00000063
_C0 Original RoB Max Health
_L 0x004EF518 0x0000005C
_C0 Original Rondo Of Blood 99 Hearts
_L 0x004EF514 0x00000063
_C0 Original Rondo Of Blood 99 Rest
_L 0x004EF50D 0x00000063
_C0 Original Rondo Of Blood Max Health
_L 0x004EF518 0x00000063
_C0 Press SELECT for All Relics
_L 0x98B3BC84 0x00000001
_L 0xD5000000 0x00000001
_L 0xC0000000 0x0000001D
_L 0xD8000000 0x09163CF8
_L 0xD2000000 0x00000000
_C0 Quick EXP Gain
_L 0x19163F80 0x0000FFFF
_C0 RoB - 1 Point for Extra Rest
_L 0x203F8B34 0x7FFFFFFF
_C0 RoB - Max Credits
_L 0x103F8B38 0x0000270F
_C0 RoB - Max Health
_L 0x003F8B28 0x000000FF
_C0 RoB - Max Hearts
_L 0x003F8B2A 0x00000063
_C0 RoB - Max Rests
_L 0x003F8B3C 0x00000063
_C0 RoB - Max Score
_L 0x203F8B30 0x0098967F
_C0 SoTN - Full Screen Patch
_L 0x10113A74 0x000001E0
_L 0x10118C10 0x000001E0
_L 0x1011AD38 0x000001E0
_L 0x1011AE38 0x000001E0
_L 0x1011AE54 0x000001E0
_L 0x1011C6E0 0x000001E0
_L 0x1011C6E0 0
_C0 SOTN-Alucard 999 Con
_L 0x10963F50 0x000003E7
_L 0x10963F70 0x000003E7
_C0 SOTN-Alucard 999 Intel
_L 0x10963F54 0x000003E7
_L 0x10963F74 0x000003E7
_C0 SOTN-Alucard 999 Luck
_L 0x10963F4C 0x000003E7
_C0 SOTN-Alucard 999 Strength
_L 0x10963F58 0x000003E7
_L 0x10963F78 0x000003E7
_C0 SOTN-Alucard Inf Hearts
_L 0x00963F3C 0x00000063
_C0 SOTN-Alucard Inf HP
_L 0x10962610 0x000003E7
_L 0x10963F34 0x000003E7
_C0 SOTN-Alucard Inf Money
_L 0x20963F84 0x000F423F
_C0 SOTN-Alucard Inf MP
_L 0x00963F44 0x00000064