Rev. 2.00, 09/03, page xxxiv of xlvi
Figure 6.2 Example of IRL Interrupt Connection ................................................................... 137
Figure 6.3 Interrupt Operation Flowchart............................................................................... 146
Section 7 Bus State Controller (BSC)
Figure 7.1 BSC Functional Block Diagram ............................................................................ 150
Figure 7.2 Address Space ...................................................................................................... 154
Figure 7.3 Continuous Access for Normal Space (No Wait, WM Bit in CSnWCR = 1,
16-Bit Bus Width, Longword Access, No Wait State between Cycles) ................... 188
Figure 7.4 Continuous Access for Normal Space (No Wait, One Wait State between Cycles) . 189
Figure 7.5 Example of 32-Bit Data-Width SRAM Connection ............................................... 190
Figure 7.6 Example of 16-Bit Data-Width SRAM Connection ............................................... 191
Figure 7.7 Example of 8-Bit Data-Width SRAM Connection ................................................. 191
Figure 7.8 Wait Timing for Normal Space Access (Software Wait Only)................................ 192
Figure 7.9 Wait State Timing for Normal Space Access
(Wait State Insertion by
WAIT Signal).................................................................. 193
Figure 7.10
CSn Assert Period Expansion.............................................................................. 194
Figure 7.11 Access Timing for MPX Space (Address Cycle No Wait, Data Cycle No Wait) ... 195
Figure 7.12 Access Timing for MPX Space (Address Cycle Wait 1, Data Cycle No Wait)...... 196
Figure 7.13 Access Timing for MPX Space (Address Cycle Access Wait 1,
Data Cycle Wait 1, External Wait 1) ................................................................... 197
Figure 7.14 Example of 64-MBit Synchronous DRAM Connection (32-Bit Data Bus)............ 199
Figure 7.15 Example of 64-MBit Synchronous DRAM (16-Bit Data Bus) .............................. 200
Figure 7.16 Synchronous DRAM Burst Read Wait Specification Timing (Auto Precharge) .... 213
Figure 7.17 Basic Timing for Single Read (Auto Precharge) .................................................. 214
Figure 7.18 Basic Timing for Synchronous DRAM Burst Write (Auto Precharge) .................. 216
Figure 7.19 Basic Timing for Single Write (Auto Precharge) ................................................. 217
Figure 7.20 Burst Read Timing (No Auto Precharge) ............................................................. 219
Figure 7.21 Burst Read Timing (Bank Active, Same Row Address) ....................................... 220
Figure 7.22 Burst Read Timing (Bank Active, Different Row Addresses)............................... 221
Figure 7.23 Single Write Timing (No Auto Precharge)........................................................... 222
Figure 7.24 Single Write Timing (Bank Active, Same Row Address) ..................................... 223
Figure 7.25 Single Write Timing (Bank Active, Different Row Addresses)............................. 224
Figure 7.26 Auto-Refresh Timing .......................................................................................... 226
Figure 7.27 Self-Refresh Timing ........................................................................................... 227
Figure 7.28 Low-Frequency Mode Access Timing ................................................................. 228
Figure 7.29 Synchronous DRAM Mode Write Timing (Based on JEDEC) ............................. 231
Figure 7.30 Burst ROM Access (Bus Width 8 Bits, Access Size 32 Bits (Number of Burst 4),
Access Wait for the 1st Time 2, Access Wait for 2nd Time and after 1)............... 232
Figure 7.31 Byte-Selection SRAM Basic Access Timing ....................................................... 233
Figure 7.32 Example of Connection with 32-Bit Data-Width Byte-Selection SRAM .............. 234
Figure 7.33 Example of Connection with 16-Bit Data-Width Byte-Selection SRAM .............. 234
Figure 7.34 Bus Arbitration ................................................................................................... 237
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