Xilinx MIcroblaze Development Spartan-3E 1600E User Manual
Page 109
MicroBlaze Development Kit Spartan-3E 1600 Edition User Guide
107
UG257 (v1.1) December 5, 2007
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
Contr
ol
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
Table 13-1:
FPGA-to-DDR SDRAM Connections (Continued)
Category
DDR SDRAM
Signal Name
FPGA Pin
Number
Function