Intel(R) IQ31244 Evaluation Platform Board Schematics Rev. E

A B C D E F G H1234567UA_DDR_SDRAM {11,12}+2P5V +2P5V +2P5V +2P5V80321MEMORY CONTROLLERUADQ63 P4 VDDQ25DQ63VDDQ25SDRAM-DDR DIMM184PVDDQ25UADQ62 N1SDRAM-DDR DIMM184P VDDQ25DQ62UADQ61 M2 1 47 ADQS893 139UADQ60 L1 DQ61VREFDQS8VSS13 VSS18DQ60ADQ0 2 48 ASA0 ADQ4 94 140 ASM8UADQ59 P1 B8 UADQS8DQ0A0DQ4 DM8/DQS17DQ59DQS8UADQ58 N3N5 UADQS7 3 49 AECC2 ADQ5 95 141 ASA10DQ58DQS7VSS1 CB2DQ5 A10UADQ57 M1 J1 UADQS6DQ57DQS6ADQ14 5096 142 AECC6UADQ56 M4 F2 UADQS5DQ1VSS7VDDQ7 CB6DQ56DQS5UADQ55 K4 B4 UADQS4 ADQS0 5 51 AECC3 ASM097 143DQ55DQS4DQS0CB3DM0/DQS9 VDDQ12UADQ54 K2 E11 UADQS3DQ54DQS3ADQ2 6 52 ABA1 ADQ6 98 144 AECC7UADQ53 J4A16 UADQS2DQ2BA1DQ6 CB7DQ53DQS2UADQ52 J5A20 UADQS1 7 53 ADQ32 ADQ799 145DQ52DQS1VDD1 DQ32DQ7VSS19UADQ51 L3 DQ51DQS0 A23 UADQS0 ADQ3 8 54100 146 ADQ36UADQ50 K1 DQ3 VDDQ4VSS14 DQ36DQ50UADQ49 H19 55 ADQ33 101 147 ADQ37DQ49NC1DQ33NC5DQ37UADQ48 H2E17 UASA12DQ48SA1210 56 ADQS4102 148UADQ47 G3 D17 UASA11NC2/RST# DQS4NC6VDD8DQ47SA11UADQ46 G1 C1 UASA10 11 57 ADQ34 103 149 ASM4DQ46SA10VSS2DQ34NC7 DM4/DQS13UADQ45 E1 C17 UASA9DQ45SA9ADQ812 58104 150 ADQ38UADQ44 E3 A14 UASA8DQ8VSS8VDDQ8 DQ38DQ44SA8UADQ43 G4 B14 UASA7 ADQ9 13 59 ABA0 ADQ12 105 151 ADQ39DQ43SA7DQ9BA0DQ12 DQ39UADQ42 G5 D13 UASA6 +2P5VUADQ41 F4 DQ42SA6 E13 UASA5ADQS1 14 DQS1 DQ35 60 ADQ35 ADQ13 106 DQ13 VSS20 152DQ41SA5+2P5VUADQ40 E4 C10 UASA4 15 61 ADQ40 ASM1 107 153 ADQ44DQ40SA4VDDQ1 DQ40DM1/DQS10 DQ44UADQ39 B2 B10 UASA3DQ39SA316 62108 154 ARAS#UADQ38 A3 A10 UASA2MCLKA1CK1 VDDQ5VDD6RASDQ38SA2UADQ37 D5A1 UASA117 63 AWE# ADQ14 109 155 ADQ45DQ37SA1MCLKA1#CK1 WEDQ14 DQ45UADQ36 C5B1 UASA0DQ36SA018 64 ADQ41ADQ15 110 156UADQ35 A2 VSS3DQ41DQ15 VDDQ13DQ35UADQ34 A4 D3 UABA1 ADQ10 19 65 ACAS# 111 157 ABSEL0#DQ34SBA1DQ10CASCKE1CS0UADQ33 A5 D2 UABA0UADQ32 D6 DQ33SBA0ADQ1120 DQ11VSS9 66112 VDDQ9 CS1/NC10 158 ABSEL1#DQ32UADQ31 D10D1 UARAS# 21 67 ADQS5 113 159 ASM5DQ31SRAS#CKE0DQS5NC9 DM5/DQS14UADQ30 A11 H3 UACAS#DQ30SCAS#22 68 ADQ42ADQ20 114 160UADQ29 B12 H4 UAWE#VDDQ2 DQ42DQ20 VSS21DQ29SWE#UADQ28 A13 ADQ16 23 69 ADQ43 ASA12 115 161 ADQ46DQ28DQ16 DQ43A12DQ46UADQ27 C11A8 UASM8DQ27SDQM8ADQ1724 70116 162 ADQ47UADQ26 D11N4 UASM7DQ17 VDD4VSS15 DQ47DQ26SDQM7UADQ25 D12K3 UASM6 ADQS2 25 71ADQ21 117 163DQ25SDQM6DQS2NC3DQ21 NC11UADQ24 C13F1 UASM5DQ24SDQM526 72 ADQ48ASA11 118 164UADQ23 C14 DQ23SDQM4 C4 UASM4VSS4DQ48 A11 VDDQ14UADQ22 E15 A12 UASM3 ASA9 27 73 ADQ49 ASM2 119 165 ADQ52DQ22SDQM3A9 DQ49DM2/DQS11 DQ52UADQ21 B16 D15 UASM2DQ21SDQM2ADQ1828 74120 166 ADQ53UADQ20 A17 C19 UASM1DQ18 VSS10VDD7 DQ53DQ20SDQM1UADQ19 D14C22 UASM0 ASA729 75ADQ22 121 167DQ19SDQM0A7CK2MCLKA2#DQ22 NC12UADQ18 A15 DQ1830 76ASA8122 168UADQ17 C16VDDQ3 CK2MCLKA2A8VDD9DQ17UADQ16 D16L4 UABSEL1# ADQ19 31 77ADQ23 123 169 ASM6DQ16SCE1#DQ19 VDDQ6DQ23 DM6/DQS15UADQ15 D19L5 UABSEL0#DQ15SCE0#ASA5 32 78 ADQS6 124 170 ADQ54UADQ14 A19 A5DQS6VSS16 DQ54UADQ13 B20 DQ14ADQ24 33 79 ADQ50 ASA6 125 171 ADQ55DQ13DQ24 DQ50A6DQ55UADQ12 C20B18DQ12SCKE134 80 ADQ51ADQ28 126 172UADQ11 D18A18VSS5DQ51DQ28 VDDQ15DQ11SCKE0UADQ10 E19 ADQ25 35 81ADQ29 127 173DQ10DQ25 VSS11DQ29 NC13UADQ9 D20 DQ9 ADQS336 82128 174 ADQ60UADQ8 A21 DQS3 VDDIDVDDQ10 DQ60DQ8UADQ7 D22P2 ubMCLKA2# ASA4 37 83 ADQ56 ASM3 129 175 ADQ61DQ7M_CK2#A4DQ56DM3/DQS12 DQ61UADQ6 A22 P3 ubMCLKA2DQ6M_CK238 84 ADQ57ASA3 130 176UADQ5 A24 VDD2 DQ57A3VSS22DQ5UADQ4 B24 DQ4M_CK1# T1 ubMCLKA1# ADQ26 39 DQ26 VDD5 85ADQ30 131 DQ30 DM7/DQS16 177 ASM7UADQ3 E21 R1 ubMCLKA1DQ3M_CK1ADQ27 40 86 ADQS7 132 178 ADQ62UADQ2 B22 DQ27 DQS7VSS17 DQ62DQ2UADQ1 C23R4 ubMCLKA0# ASA2 41 87 ADQ58 ADQ31 133 179 ADQ63DQ1M_CK0#A2DQ58DQ31 DQ63UADQ0 A25 R5 ubMCLKA0DQ0M_CK042 88 ADQ59AECC4 134 180VSS6 DQ59CB4 VDDQ16UAECC7 C7 D7RCVENI# ASA1 43 89AECC5 135 181 +3VSCB7 RCVENI#A1VSS12CB5 SA0UAECC6 E7 B6 RCVENO#SCB6RCVENO#AECC044 90136 182UAECC5 D9R550CB0NC4VDDQ11 SA1SCB52 1UAECC4 E9 SCB4AECC1 45 CB1 SDA 91137 CK0SA2 183+3VSDA {2,17} MCLKA0UAECC3 A7 SCB3RC0402R35046 92138 184UAECC2 D8D21 MRST# 102 1VDD3 SCLSCL {2,17}MCLKA0#CK0 VDDSPDSCB2M_RST#UAECC1 C8 SCB1UAECC0 A9 A6RC0402J8J8SCB0VREF000VREF {9}+2P5VC1761 2RC04020.1uFU16Length of (RCVENO# + RCVENI# )= Avg CLK + Avg DQSeries Resistor (10 ohm) must be within 1/2" from pin B6+2P5VC3491 2RC04020.1uFA_DDR_SDRAM {11,12}22R286RC040227R28911RC040227222R287RC040227R288RC040227R302R3851 2111RC04022.7KMCLKA2#MCLKA2MCLKA1#MCLKA1MCLKA0#+2P5VC4521CAPT321633uFC3501 2R3871 2RC04020.1uF1RC04022.7KL162BEAD1206BLM31A700SPTC39421CAPT321633uFC3471 2RC04020.1uFTP231VDDQ25C611 2RC04020.1uFVDDQ25C782 1RC04020.1uFC1662 1RC04020.1uFC1442 1RC04020.1uFC2882 1RC04020.1uFC1852 1RC04020.1uFC2802 1RC04020.1uFC2852 1RC04020.1uFC2782 1RC04020.1uFC2602 1RC04020.1uFC982 1RC04020.1uFC892 1RC04020.1uFC762 1RC04020.1uFDIMM DECOUPLING+2P5VC812 1RC04020.1uFC992 1RC04020.1uFC1232 1RC04020.1uFC1542 1RC04020.1uFC2002 1RC04020.1uFC3272 1RC04020.1uFC2462 1RC04020.1uFC2672 1RC04020.1uFC2862 1RC04020.1uFC3922 1RC04020.1uFC292 1RC04020.1uFC512 1RC04020.1uF12345678Place thispair near80321C1771 2RC04020.1uFC3481 2RC04020.1uFPlace thispair nearSoDIMM2R3031RC040227RC040227MCLKA0CYCLONE MICROSYSTEMS25 SCIENCE PARKNEW HAVEN, CT 06511Title:Name:Date:IQ31244DDR SDRAM INTERFACEREV2003/12/15 Sheet 10 of 24E8A B C D E F G H