CL-PS7500FE-QC-A Просмотр технического описания (PDF) - Cirrus Logic
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CL-PS7500FE-QC-A Datasheet PDF : 251 Pages
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CL-PS7500FE
System-on-a-Chip for Internet Appliance
20. BUS INTERFACE................................................................................................................ 187
20.1 Bus Arbitration ................................................................................................................................187
20.2 Bus Cycle Types .............................................................................................................................187
20.3 Video DMA Bandwidth....................................................................................................................188
20.4 Video DMA Latency........................................................................................................................188
21. CLOCKS, POWER SAVING, AND RESET........................................................................ 191
21.1 Clock Control ..................................................................................................................................191
21.1.1 Video and Sound Subsystem Clocks..............................................................................191
21.1.2 I/O Clock Outputs ...........................................................................................................191
21.1.3 Synchronous/Asynchronous Mode for the ARM Processor............................................191
21.1.4 Clock Prescalars.............................................................................................................192
21.1.5 Clocking Schemes ..........................................................................................................192
21.2 Power Management........................................................................................................................192
21.2.1 SUSPEND Mode ............................................................................................................193
21.2.2 STOP Mode ....................................................................................................................194
21.3 Reset ..............................................................................................................................................195
22. ELECTRICAL SPECIFICATIONS ...................................................................................... 196
22.1 Absolute Maximum Ratings............................................................................................................196
22.2 DC Specifications ...........................................................................................................................197
22.2.1 DC Specifications — Digital Values ................................................................................197
22.3 Derating ..........................................................................................................................................198
22.4 AC Parameters — List of Timing Figures .......................................................................................199
22.5 System Reset Timing .....................................................................................................................200
22.6 Memory Subsystems......................................................................................................................201
22.7 I/O Subsystems ..............................................................................................................................209
22.8 System Timing (Clocks)..................................................................................................................222
23. PACKAGE ........................................................................................................................... 225
23.1 240-Pin PQFP Package Example...................................................................................................225
24. ORDERING INFORMATION EXAMPLE............................................................................ 226
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TABLE OF CONTENTS
ADVANCE DATA BOOK v2.0
June 1997
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