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RM48L940 데이터시트(PDF) 86 Page - Texas Instruments |
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RM48L940 데이터시트(HTML) 86 Page - Texas Instruments |
86 / 174 page EMIF_nCS[3:2] EMIF_BA[1:0] 13 12 EMIF_ADDR[21:0] EMIF_nOE EMIF_DATA[15:0] EMIF_nWE 10 5 9 7 4 8 6 3 1 EMIF_nDQM[1:0] 30 29 RM48L940, RM48L740, RM48L540 SPNS175C – APRIL 2012 – REVISED JUNE 2015 www.ti.com 6.14 External Memory Interface (EMIF) 6.14.1 Features The EMIF includes many features to enhance the ease and flexibility of connecting to external asynchronous memories or SDRAM devices. The EMIF features includes support for: • 3 addressable chip select for asynchronous memories of up to 16MB each • 1 addressable chip select space for SDRAMs up to 128MB • 8- or 16-bit data bus width • Programmable cycle timings such as setup, strobe, and hold times as well as turnaround time • Select strobe mode • Extended Wait mode • Data bus parking 6.14.2 Electrical and Timing Specifications 6.14.2.1 Asynchronous RAM Figure 6-13. Asynchronous Memory Read Timing 86 System Information and Electrical Specifications Copyright © 2012–2015, Texas Instruments Incorporated Submit Documentation Feedback |
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