SH7712 Datasheet, PDF (29/978 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series

Figure 10.6 STATUS Output when Software Standby Mode is Canceled by Manual Reset ..... 308
Figure 10.7 STATUS Output when Sleep Mode is Canceled by Interrupt................................. 309
Figure 10.8 STATUS Output when Sleep Mode is Canceled by Power-on Reset...................... 309
Figure 10.9 STATUS Output when Sleep Mode is Canceled by Manual Reset......................... 310
Section 11 On-Chip Oscillation Circuits
Figure 11.1 Block Diagram of CPG ........................................................................................... 313
Figure 11.2 Block Diagram of WDT .......................................................................................... 323
Figure 11.3 Writing to WTCNT and WTCSR............................................................................ 327
Figure 11.4 Points for Attention when Using Crystal Resonator................................................ 329
Figure 11.5 Points for Attention when Using PLL Oscillator Circuit ........................................ 330
Section 12 Bus State Controller (BSC)
Figure 12.1 Block Diagram of BSC............................................................................................ 333
Figure 12.2 Address Space ......................................................................................................... 337
Figure 12.3 Normal Space Basic Access Timing (Access Wait 0)............................................. 390
Figure 12.4 Continuous Access for Normal Space 1, Bus Width = 16 bits,
Longword Access, CSnWCR.WM Bit = 0 (Access Wait = 0, Cycle Wait = 0)...... 392
Figure 12.5 Continuous Access for Normal Space 2, Bus Width = 16 bits,
Longword Access, CSnWCR.WM Bit = 1 (Access Wait = 0, Cycle Wait = 0)...... 393
Figure 12.6 Example of 32-Bit Data-Width SRAM Connection ................................................ 394
Figure 12.7 Example of 16-Bit Data-Width SRAM Connection ................................................ 395
Figure 12.8 Example of 8-Bit Data-Width SRAM Connection .................................................. 395
Figure 12.9 Wait Timing for Normal Space Access (Software Wait Only) ............................... 396
Figure 12.10 Wait State Timing for Normal Space Access (Wait State Insertion by
WAIT Signal)........................................................................................................ 397
Figure 12.11 CSn Assert Period Expansion................................................................................ 398
Figure 12.12 Example of 32-Bit Data-Width SDRAM Connection ........................................... 400
Figure 12.13 Example of 16-Bit Data-Width SDRAM Connection ........................................... 401
Figure 12.14 Burst Read Basic Timing (Auto Precharge) .......................................................... 416
Figure 12.15 Burst Read Wait Specification Timing (Auto Precharge) ..................................... 417
Figure 12.16 Basic Timing for Single Read (Auto Precharge)................................................... 418
Figure 12.17 Basic Timing for Burst Write (Auto Precharge).................................................... 420
Figure 12.18 Basic Timing for Single Write (Auto-Precharge).................................................. 421
Figure 12.19 Burst Read Timing (No Auto Precharge) .............................................................. 423
Figure 12.20 Burst Read Timing (Bank Active, Same Row Address) ....................................... 424
Figure 12.21 Burst Read Timing (Bank Active, Different Row Addresses) .............................. 425
Figure 12.22 Single Write Timing (No Auto Precharge)............................................................ 426
Figure 12.23 Single Write Timing (Bank Active, Same Row Address) ..................................... 427
Figure 12.24 Single Write Timing (Bank Active, Different Row Addresses) ............................ 428
Figure 12.25 Auto-Refresh Timing ............................................................................................ 430
Rev. 1.00 Dec. 27, 2005 Page xxix of xlii