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AM1707 Datasheet(PDF) 66 Page - Texas Instruments |
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AM1707 Datasheet(HTML) 66 Page - Texas Instruments |
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66 / 198 page ![]() EMA_CLK EMA_BA[1:0] EMA_CS[0] EMA_CAS EMA_RAS EMA_WE CLK CE WE EMIFA SDRAM 2Mx16x4 Bank EMA_SDCKE CAS RAS CKE BA[1:0] LDQM UDQM DQ[15:0] A[11:0] EMA_A[12:0] EMA_WE_DQM[0] EMA_WE_DQM[1] EMA_D[15:0] EMA_CS[2] EMA_CS[3] EMA_WAIT EMA_OE GPIO (6Pins) RESET A[0] A[12:1] DQ[15:0] CE WE OE RESET A[18:13] RY/ Y B NOR FLASH 512Kx16 ALE CLE DQ[15:0] CE WE RE RB NAND FLASH 1Gbx16 EMA_A[1] EMA_A[2] ... DVDD RESET AM1707 SPRS637A – FEBRUARY 2010 – REVISED APRIL 2010 www.ti.com A likely use case with more than one EMIFA chip select used for NAND flash is illustrated in Figure 6-13. This figure shows how two multiplane NAND flash devices with two chip selects each would connect to the EMIFA. In this case if NAND is the boot memory, then the boot image needs to be stored in the NAND area selected by EMA_CS[3]. Part of the application image could spill over into the NAND regions selected by other EMIFA chip selects; but would rely on the code stored in the EMA_CS[3] area to bootload it. Figure 6-12. Device Connection Diagram: SDRAM, NOR, NAND 66 Peripheral Information and Electrical Specifications Copyright © 2010, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Link(s): AM1707 |
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