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SPEAR320 数据表(PDF) 31 Page - STMicroelectronics |
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SPEAR320 数据表(HTML) 31 Page - STMicroelectronics |
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31 / 73 page  SPEAr320 Pin description Doc ID 16755 Rev 5 31/73 DDR_MEM_DQ_0 P11 I/O Data Lines (Lower byte) SSTL_2/ SSTL_18 DDR_MEM_DQ_1 R11 DDR_MEM_DQ_2 T11 DDR_MEM_DQ_3 U11 DDR_MEM_DQ_4 T12 DDR_MEM_DQ_5 R12 DDR_MEM_DQ_6 P12 DDR_MEM_DQ_7 P13 DDR_MEM__DQS_0 U10 Out Lower Data Strobe Differential SSTL_2/ SSTL_18 nDDR_MEM_DQS_0 T10 DDR_MEM_DM_0 U12 Out Lower Data Mask SSTL_2/ SSTL_18 DDR_MEM_GATE_OPEN_0 R10 I/O Lower Gate Open DDR_MEM_DQ_8 T17 I/O Data Lines (Upper byte) DDR_MEM_DQ_9 T16 DDR_MEM_DQ_10 U17 DDR_MEM_DQ_11 U16 DDR_MEM_DQ_12 U14 DDR_MEM_DQ_13 U13 DDR_MEM_DQ_14 T13 DDR_MEM_DQ_15 R13 DDR_MEM_DQS_1 U15 I/O Upper Data Strobe Differential SSTL_2/ SSTL_18 nDDR_MEM_DQS_1 T15 DDR_MEM_DM_1 T14 I/O Upper Data Mask SSTL_2/ SSTL_18 DDR_MEM_GATE_OPEN_1 R14 Upper Gate Open DDR_MEM_VREF P10 In Reference Voltage Analog DDR_MEM_COMP2V5_GNDB GCOMP R4 Power Return for Ext. Resistors Power DDR_MEM_COMP2V5_REXT P4 Power Ext. Resistor Analog DDR2_EN J13 In Configuration TTL Input Buffer 3.3 V Tolerant, PU Table 9. DDR pin description (continued) Signal name Ball Direction Function Pin type |
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