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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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SH7721 датащи(PDF) 37 Page - Renesas Technology Corp |
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SH7721 датащи(HTML) 37 Page - Renesas Technology Corp |
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37 / 1524 page  Rev. 3.00 Jan. 18, 2008 Page xxxvii of lxii Figure 9.5 Continuous Access for Normal Space 2, Bus Width = 16 bits, Longword Access, CSnWCR.WM Bit = 1 (Access Wait = 0, Cycle Wait = 0) ...................................... 340 Figure 9.6 Example of 32-Bit Data-Width SRAM Connection.................................................. 341 Figure 9.7 Example of 16-Bit Data-Width SRAM Connection.................................................. 342 Figure 9.8 Example of 8-Bit Data-Width SRAM Connection.................................................... 342 Figure 9.9 Wait Timing for Normal Space Access (Software Wait Only) ................................. 343 Figure 9.10 Wait State Timing for Normal Space Access (Wait State Insertion using WAIT Signal) ..............................................................344 Figure 9.11 CSn Assert Period Expansion..................................................................................345 Figure 9.12 Example of 32-Bit Data-Width SDRAM Connection ............................................. 347 Figure 9.13 Example of 16-Bit Data-Width SDRAM Connection ............................................. 348 Figure 9.14 Burst Read Basic Timing (Auto-Precharge)............................................................ 361 Figure 9.15 Burst Read Wait Specification Timing (Auto-Precharge)....................................... 362 Figure 9.16 Basic Timing for Single Read (Auto-Precharge)..................................................... 363 Figure 9.17 Basic Timing for Burst Write (Auto-Precharge) ..................................................... 365 Figure 9.18 Basic Timing for Single Write (Auto-Precharge).................................................... 366 Figure 9.19 Burst Read Timing (No Auto-Precharge)................................................................ 368 Figure 9.20 Burst Read Timing (Bank Active, Same Row Address) ......................................... 369 Figure 9.21 Burst Read Timing (Bank Active, Different Row Addresses) ................................ 370 Figure 9.22 Single Write Timing (No Auto-Precharge) ............................................................. 371 Figure 9.23 Single Write Timing (Bank Active, Same Row Address) ....................................... 372 Figure 9.24 Single Write Timing (Bank Active, Different Row Addresses) .............................. 373 Figure 9.25 Auto-Refresh Timing .............................................................................................. 375 Figure 9.26 Self-Refresh Timing ................................................................................................ 376 Figure 9.27 Access Timing in Power-Down Mode .................................................................... 378 Figure 9.28 Write Timing for SDRAM Mode Register (Based on JEDEC)............................... 381 Figure 9.29 EMRS Command Issue Timing............................................................................... 384 Figure 9.30 Transition Timing in Deep Power-Down Mode...................................................... 385 Figure 9.31 Burst ROM (Clock Asynchronous) Access (Bus Width = 32 Bits, 16-byte Transfer (Number of Bursts = 4), Access Wait for First Time = 2, Access Wait for 2nd Time and after = 1) ............. 387 Figure 9.32 Basic Access Timing for Byte-Selection SRAM (BAS = 0) ................................... 388 Figure 9.33 Basic Access Timing for Byte-Selection SRAM (BAS = 1) ................................... 389 Figure 9.34 Wait Timing for Byte-Selection SRAM (BAS = 1) (Software Wait Only)............. 390 Figure 9.35 Example of Connection with 32-Bit Data-Width Byte-Selection SRAM ............... 391 Figure 9.36 Example of Connection with 16-Bit Data-Width Byte-Selection SRAM ............... 391 Figure 9.37 Example of PCMCIA Interface Connection............................................................ 393 Figure 9.38 Basic Access Timing for PCMCIA Memory Card Interface................................... 394 |
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