Lattice Semiconductor LatticeEC, Руководство пользователя, Страница: 11 / 32

11
LatticeEC Advanced Evaluation Board –
Lattice Semiconductor Revision C User’s Guide
DDR SDRAM
The included 200-pin SODIMM socket provides a built-in 16-bit interface to standard 2.5V DDR SDRAM memory
modules. The required V
REF
and V
TT
voltages, as well as termination of each signal to V
TT,
are provided.
Table 13. DDR Interface to SODIMM Socket
J11 Description LatticeEC Pin sysIO Bank
5 SODIMM_DQ7 C15 1
6 SODIMM_DQ0 G14 1
7 SODIMM_DQ6 B16 1
8 SODIMM_DQ1 F14 1
11 SODIMM_DQS0 G15 1
12 SODIMM_DM0 F15 1
13 SODIMM_DQ3 D15 1
14 SODIMM_DQ4 E14 1
17 SODIMM_DQ2 E15 1
18 SODIMM_DQ5 C14 1
19 SODIMM_DQ11 F17 1
20 SODIMM_DQ12 D16 1
23 SODIMM_DQ8 G16 1
24 SODIMM_DQ13 C16 1
25 SODIMM_DQS1 A20 1
26 SODIMM_DM1 E16 1
29 SODIMM_DQ10 G17 1
30 SODIMM_DQ15 C17 1
31 SODIMM_DQ9 F16 1
32 SODIMM_DQ14 D17 1
35 SODIMM_CK0 A15 1
37 SODIMM_CK0_N B15 1
95 SODIMM_CKE1 E17 1
96 SODIMM_CKE0 B17 1
99 SODIMM_A12 D19 1
100 SODIMM_A11 A18 1
101 SODIMM_A9 E18 1
102 SODIMM_A8 B18 1
105 SODIMM_A7 F18 1
106 SODIMM_A6 D18 1
107 SODIMM_A5 F19 1
108 SODIMM_A4 C18 1
109 SODIMM_A3 G18 1
110 SODIMM_A2 A19 1
111 SODIMM_A1 G19 1
112 SODIMM_A0 B19 1
115 SODIMM_A10 E20 1
116 SODIMM_BA1 B20 1
117 SODIMM_BA0 B21 1
118 SODIMM_RAS_N A21 1