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H83065 Datasheet(PDF) 10 Page - Renesas Technology Corp |
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H83065 Datasheet(HTML) 10 Page - Renesas Technology Corp |
10 / 963 page Rev. 4.00 Jan 26, 2006 page x of xxii 6.2.10 Refresh Timer Counter (RTCNT)........................................................................ 141 6.2.11 Refresh Time Constant Register (RTCOR) ......................................................... 142 6.2.12 Address Control Register (ADRCR) (Provided Only in Flash Memory R Version and Mask ROM Versions) ............ 143 6.3 Operation .......................................................................................................................... 144 6.3.1 Area Division ....................................................................................................... 144 6.3.2 Bus Specifications................................................................................................ 147 6.3.3 Memory Interfaces ............................................................................................... 148 6.3.4 Chip Select Signals .............................................................................................. 148 6.3.5 Address Output Method ....................................................................................... 150 6.4 Basic Bus Interface ........................................................................................................... 152 6.4.1 Overview.............................................................................................................. 152 6.4.2 Data Size and Data Alignment............................................................................. 152 6.4.3 Valid Strobes........................................................................................................ 153 6.4.4 Memory Areas ..................................................................................................... 154 6.4.5 Basic Bus Control Signal Timing ........................................................................ 156 6.4.6 Wait Control ........................................................................................................ 163 6.5 DRAM Interface ............................................................................................................... 165 6.5.1 Overview.............................................................................................................. 165 6.5.2 DRAM Space and RAS Output Pin Settings ....................................................... 165 6.5.3 Address Multiplexing........................................................................................... 167 6.5.4 Data Bus............................................................................................................... 167 6.5.5 Pins Used for DRAM Interface............................................................................ 168 6.5.6 Basic Timing........................................................................................................ 168 6.5.7 Precharge State Control ....................................................................................... 170 6.5.8 Wait Control ........................................................................................................ 171 6.5.9 Byte Access Control and CAS Output Pin........................................................... 172 6.5.10 Burst Operation.................................................................................................... 174 6.5.11 Refresh Control.................................................................................................... 180 6.5.12 Examples of Use .................................................................................................. 184 6.5.13 Usage Notes ......................................................................................................... 188 6.6 Interval Timer ................................................................................................................... 191 6.6.1 Operation ............................................................................................................. 191 6.7 Interrupt Sources ............................................................................................................... 197 6.8 Burst ROM Interface......................................................................................................... 197 6.8.1 Overview.............................................................................................................. 197 6.8.2 Basic Timing........................................................................................................ 197 6.8.3 Wait Control ........................................................................................................ 198 6.9 Idle Cycle .......................................................................................................................... 199 6.9.1 Operation ............................................................................................................. 199 6.9.2 Pin States in Idle Cycle ........................................................................................ 202 |
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