| 전자부품 데이터시트 검색엔진 |
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CS4923 데이터시트(PDF) 42 Page - Cirrus Logic |
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CS4923 데이터시트(HTML) 42 Page - Cirrus Logic |
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42 / 56 page ![]() CS4923/4/5/6/7/8/9 42 DS262F2 64K X 8 ROM A DDR[15:8] ADDR[7:0] 8 BIT '574 DFF DQ 8 BIT '574 DFF DQ EMAD[7:0] D A T A[7:0] OE EMOE EXTMEM CS EMWR Only one of R1 and R2 shou ld be stuffed. Only one of R3 and R4 shou ld be stuffed. T h e state of EMOE and EMWR at the rising edge of RESET will determine the serial mode that the part comes up in while using exter nal memory. Please see section 2, Serial Communication for more d etails. CS4923/4/5/6/7/8/9 ADDR[7:0] A DDR[15:8] 8 3.3V 3.3V 3.3V 3.3V R1 R3 R2 R4 Figure 21. External Memory Interface EXTMEM EMOE EMAD7:0 MA15:8 MA7:0 Data7:0 Figure 22. Run-Time Memory Access |
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