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Motore di ricerca datesheet componenti elettronici |
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Motore di ricerca datesheet componenti elettronici |
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TMS320VC5505 Scheda tecnica(PDF) 20 Page - Texas Instruments |
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TMS320VC5505 Scheda tecnica(HTML) 20 Page - Texas Instruments |
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20 / 135 page  TMS320VC5505 SPRS503B – JUNE 2009 – REVISED JANUARY 2010 www.ti.com Table 3-8. External Memory Interface (EMIF) Terminal Functions (continued) SIGNAL TYPE(1) OTHER(2) (3) DESCRIPTION NAME NO. EM_D[15] J4 EM_D[14] K3 EM_D[13] K4 EM_D[12] L3 EM_D[11] C4 EM_D[10] D3 EM_D[9] F4 EM_D[8] E3 I/O/Z DVDDEMIF EMIF 16-bit bi-directional bus. EM_D[7] H3 EM_D[6] K5 EM_D[5] M2 EM_D[4] L4 EM_D[3] D4 EM_D[2] F3 EM_D[1] E5 EM_D[0] G3 EMIF chip select 5 output for use with asynchronous memories (i.e., NOR flash, EM_CS5 A3 O/Z DVDDEMIF NAND flash, or SRAM). EMIF chip select 4 output for use with asynchronous memories (i.e., NOR flash, EM_CS4 C3 O/Z DVDDEMIF NAND flash, or SRAM). EMIF NAND chip select 3 output for use with asynchronous memories (i.e., NOR EM_CS3 M4 O/Z DVDDEMIF flash, NAND flash, or SRAM). EMIF NAND chip select 2 output for use with asynchronous memories (i.e., NOR EM_CS2 C5 O/Z DVDDEMIF flash, NAND flash, or SRAM). EM_WE H1 O/Z DVDDEMIF EMIF asynchronous memory write enable output EM_OE E4 O/Z DVDDEMIF EMIF asynchronous memory read enable output EM_R/W B6 O/Z DVDDEMIF EMIF asynchronous read/write output EM_DQM1 P1 O/Z DVDDEMIF EMIF asynchronous data write strobes and byte enables. EM_DQM0 B5 O/Z DVDDEMIF EM_BA[1] B1 O/Z DVDDEMIF EMIF asynchronous bank address 16-bit wide memory: EM_BA[1] forms the device address[0] and BA[0] forms device address [23]. EM_BA[0] A1 O/Z DVDDEMIF 8-bit wide memory: EM_BA[1] forms the device address[1] and BA[0] forms device address [0]. EM_WAIT5 H4 I DVDDEMIF EMIF wait state extension input 5 for EM_CS5 EM_WAIT4 G1 I DVDDEMIF EMIF wait state extension input 4 for EM_CS4 EM_WAIT3 K6 I DVDDEMIF EMIF wait state extension input 3 for EM_CS3 EM_WAIT2 D5 I DVDDEMIF EMIF wait state extension input 2 for EM_CS2 20 Device Overview Copyright © 2009–2010, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Link(s): TMS320VC5505 |
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