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TNETV2685FIBZUT5 数据表(PDF) 102 Page - Texas Instruments |
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TNETV2685FIBZUT5 数据表(HTML) 102 Page - Texas Instruments |
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102 / 191 page ![]() DDR_D00 DDR_D7 DDR_DQM0 DDR_DQS0 DDR_DQS0 DDR_D08 DDR_D15 DDR_DQM1 DDR_DQS1 DDR_DQS1 BED0 BED0 LDM LDQS LDQS BED7 BED15 UDM UDQS UDQS BA0 BA2 A0 A13 CS CAS RAS WE CKE CK CK VREF BED0 BED7 LDM LDQS LDQS BED8 BED15 UDM UDQS UDQS BA0 BA2 A0 A13 CS CAS RAS WE CKE CK CK VREF DDR_D16 DDR_D23 DDR_DQM2 DDR_DQS2 DDR_DQS2 DDR_D24 DDR_D31 DDR_DQM3 DDR_DQS3 DDR_DQS3 DDR_BA0 DDR_BA2 DDR_A00 DDR_A13 DDR_CS0 DDR_CAS DDR_RAS BSDWE DDR_CKE DDR_CLK DDR_CLK DDR_ODT1 ODT DDR_VREF 1 kΩ 1% Vio 1.8 (A) DDR2 DDR2 DDR_DQGATE0 DDR_DQGATE1 DDR_DQGATE2 DDR_DQGATE3 VREF Terminator, if desired. See terminator comments. T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T 0.1 µF VREF VREF 0.1 µF 1 kΩ 1% 0.1 µF (B) 0.1 µF (B) 0.1 µF (B) DDR_ODT0 NC NC ODT DM647/DM648 TMS320DM647 TMS320DM648 SPRS372H – MAY 2007 – REVISED APRIL 2012 www.ti.com A. DM648 is shown in this figure as an example of the device and represents the entire set of devices that include: DM647/DM648. B. Vio 1.8 is the power supply for the DDR2 memory interface. C. One of these capacitors can be eliminated if the divider and its capacitors are placed near a device VREF pin. Figure 6-11. 32-Bit DDR2 High-Level Schematic 102 Peripheral Information and Electrical Specifications Copyright © 2007–2012, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Link(s): TMS320DM647 TMS320DM648 |
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