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SPEAR300 Fiches technique(PDF) 34 Page - STMicroelectronics |
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SPEAR300 Fiches technique(HTML) 34 Page - STMicroelectronics |
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34 / 83 page ![]() Pin description SPEAr300 34/83 Doc ID 16324 Rev 2 DDR DDR_CS_0 P9 Output Chip Select SSTL_2/SSTL_18 DDR_CS_1 R9 DDR_ODT_0 T3 I/O On-Die Termination Enable lines DDR_ODT_1 T4 DDR_DATA_0 P11 I/O Data Lines (Lower byte) DDR_DATA_1 R11 DDR_DATA_2 T11 DDR_DATA_3 U11 DDR_DATA_4 T12 DDR_DATA_5 R12 DDR_DATA_6 P12 DDR_DATA_7 P13 DDR_DQS_0 U10 Output Lower Data Strobe Differential SSTL_2/SSTL_18 DDR_nDQS_0 T10 DDR_DM_0 U12 Output Lower Data Mask SSTL_2/SSTL_18 DDR_GATE_0 R10 I/O Lower Gate Open DDR_DATA_8 T17 I/O Data Lines (Upper byte) DDR_DATA_9 T16 DDR_DATA_10 U17 DDR_DATA_11 U16 DDR_DATA_12 U14 DDR_DATA_13 U13 DDR_DATA_14 T13 DDR_DATA_15 R13 DDR_DQS_1 U15 I/O Upper Data Strobe Differential SSTL_2/SSTL_18 DDR_nDQS_1 T15 DDR_DM_1 T14 I/O Upper Data Mask SSTL_2/SSTL_18 DDR_GATE_1 R14 Upper Gate Open DDR_VREF P10 Input Reference Voltage Analog DDR_MEM_COM P_GND R4 Power Return for Ext. Resistors Power DDR_MEM_COM P_REXT P4 Power Ext. Resistor Analog DDR2_EN J13 Input Configuration TTL Input Buffer 3.3 V Tolerant, PU Table 8. DDR pin description (continued) Group Signal name Ball Direction Function Pin type |
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