EMC_Reg_add->DYNAMICRASCAS0    = Dynamic_Config->DevConfig[ChipSelect].RAS | ((Dynamic_Config->DevConfig[ChipSelect].ModeRegister << (8 - EMC_DYN_MODE_CAS_BIT)) & 0xF00);

Dynamic_Config->DevConfig[ChipSelect].RAS = 2
Dynamic_Config->DevConfig[ChipSelect].ModeRegister = EMC_DYN_MODE_WBMODE_PROGRAMMED | EMC_DYN_MODE_OPMODE_STANDARD | EMC_DYN_MODE_CAS_2 | EMC_DYN_MODE_BURST_TYPE_SEQUENTIAL | EMC_DYN_MODE_BURST_LEN_4
Dynamic_Config->DevConfig[ChipSelect].ModeRegister = (0 << 9) | (0 << 7) | (2 << 4) | (0 << 3) | (2 << 0)
Dynamic_Config->DevConfig[ChipSelect].ModeRegister = 0 | 0 | 0x20 | 0 | 0x2
Dynamic_Config->DevConfig[ChipSelect].ModeRegister = 0x22
EMC_DYN_MODE_CAS_BIT = 4

EMC_Reg_add->DYNAMICRASCAS0 =
2 | ((0x22 << (8 - 4)) & 0xF00)
2 | ((0x22 << 4) & 0xF00)
2 | (0x220 & 0xF00)
2 | 0x200
0x202

LPC_EMC->DynamicRasCas0 = 0;
LPC_EMC->DynamicRasCas0 |=(3<<8);  # 0x300
LPC_EMC->DynamicRasCas0 |= (3<<0); # 0x303