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OMAP3530ECBC72 データシート(PDF) 178 Page - Texas Instruments |
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OMAP3530ECBC72 データシート(HTML) 178 Page - Texas Instruments |
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178 / 264 page ![]() sdrc_d0 sdrc_d7 sdrc_dm0 sdrc_dqs0 sdrc_d8 sdrc_d15 sdrc_dm1 sdrc_dqs1 sdrc_d16 sdrc_d23 sdrc_dm2 sdrc_dqs2 sdrc_d24 sdrc_d31 sdrc_dm3 sdrc_dqs3 sdrc_ba0 sdrc_ba1 sdrc_a0 sdrc_a14 sdrc_ncs0 sdrc_ncas sdrc_nras sdrc_nwe sdrc_cke0 sdrc_clk sdrc_nclk T T T T T T T T T T T T T T T T T T T BA0 BA1 A0 A14 CS CAS RAS WE CKE CK CK T T T T T T T T OMAP35x DQ0 DQ7 DM0 DQS0 DQ8 DQ15 DM1 DQS1 LPDDR DQ16 DQ23 DM2 DQS2 DQ24 DQ31 DM3 DQS3 N/C N/C sdrc_ncs1 sdrc_cke1 OMAP3530/25 Applications Processor SPRS507F – FEBRUARY 2008 – REVISED OCTOBER 2009 www.ti.com Figure 6-18. OMAP35x LPDDR High Level Schematic (x32 memory) 6.4.2.2.2 Compatible JEDEC LPDDR Devices Table 6-13 shows the parameters of the JEDEC LPDDR devices that are compatible with this interface. Generally, the LPDDR interface is compatible with x16 and x32 LPDDR266 and LPDDR333 speed grade LPDDR devices. Table 6-13. Compatible JEDEC LPDDR Devices NO. PARAMETER MIN MAX UNIT NOTES JEDEC LPDDR Device Speed 1 LPDDR-266 See Note (1) Grade 2 JEDEC LPDDR Device Bit Width 16 32 Bits 3 JEDEC LPDDR Device Count 1 2 Devices See Note (2) JEDEC LPDDR Device Ball 4 60 90 Balls Count (1) Higher LPDDR speed grades are supported due to inherent JEDEC LPDDR backwards compatibility. (2) 1 x16 LPDDR device is used for 16 bit LPDDR memory system. 1x32 or 2x16 LPDDR devices are used for a 32-bit LPDDR memory system. TIMING REQUIREMENTS AND SWITCHING CHARACTERISTICS 178 Submit Documentation Feedback |
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