Xilinx Spartan-3E 1600E DDR SDRAM Connections, Tabl e 1 3 - 1: FPGA-to-DDR SDRAM Connections (Continued)

MicroBlaze Development Kit Spartan-3E 1600 Edition User Guide 107
UG257 (v1.1) December 5, 2007 www.xilinx.com
DDR SDRAM Connections
R
Data
SD_DQ15 H5 Data input/output
SD_DQ14 H6
SD_DQ13 G5
SD_DQ12 G6
SD_DQ11 F2
SD_DQ10 F1
SD_DQ9 E1
SD_DQ8 E2
SD_DQ7 M6
SD_DQ6 M5
SD_DQ5 M4
SD_DQ4 M3
SD_DQ3 L4
SD_DQ2 L3
SD_DQ1 L1
SD_DQ0 L2
Control
SD_BA1 K6 Bank address inputs
SD_BA0 K5
SD_RAS C1 Command inputs
SD_CAS C2
SD_WE D1
SD_CK_N J4 Differential clock input
SD_CK_P J5
SD_CKE K3 Active-High clock enable input
SD_CS K4 Active-Low chip select input
SD_UDM J1 Data Mask. Upper and Lower data masks
SD_LDM J2
SD_UDQS G3 Data Strobe. Upper and Lower data strobes
SD_LDQS L6
SD_CK_FB B9 SDRAM clock feedback into top DCM
within FPGA. Used by some DDR SDRAM
controller cores
Tabl e 1 3 - 1: FPGA-to-DDR SDRAM Connections (Continued)
Category
DDR SDRAM
Signal Name
FPGA Pin
Number Function