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S3C2501X Datasheet(PDF) 10 Page - Samsung semiconductor |
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S3C2501X Datasheet(HTML) 10 Page - Samsung semiconductor |
10 / 465 page x S3C2501X Table of Contents (Continued) Chapter 8 DES/3DES 8.1 Overview .......................................................................................................................................... 8-1 8.2 Feature ............................................................................................................................................. 8-1 8.3 DES/3DES Special Registers............................................................................................................ 8-3 8.3.1 DES/3DES Control Register................................................................................................... 8-4 8.3.2 DES/3DES Status Register .................................................................................................... 8-5 8.3.3 DES/3DES Interrupt Enable Register ..................................................................................... 8-6 8.3.4 DES/3DES Run Enable Register............................................................................................ 8-6 8.3.5 DES/3DES Key1 Left/Right Side Register.............................................................................. 8-6 8.3.6 DES/3DES Key 2 Left/Right Side Register............................................................................. 8-7 8.3.7 DES/3DES Key 3 Left Side Register ...................................................................................... 8-7 8.3.8 DES/3DES IV Left/Right Side Register .................................................................................. 8-7 8.3.9 DES/3DES Input/Output Data FIFO Register ......................................................................... 8-8 8.4 DES/3DES Operation........................................................................................................................ 8-9 8.5 Performance Calculation Guide ........................................................................................................ 8-10 Chapter 9 GDMA Controller 9.1 Overview .......................................................................................................................................... 9-1 9.2 Feature ............................................................................................................................................. 9-1 9.3 GDMA Special Registers................................................................................................................... 9-3 9.3.1 GDMA Programmable Priority Registers ................................................................................ 9-4 9.3.2 GDMA Control Registers........................................................................................................ 9-9 9.3.3 GDMA Source/Destination Address Registers........................................................................ 9-12 9.3.4 GDMA Transfer Count Registers............................................................................................ 9-13 9.3.5 GDMA Run Enable Registers................................................................................................. 9-14 9.3.6 GDMA Interrupt Pending Register.......................................................................................... 9-15 9.4 GDMA Mode Operation..................................................................................................................... 9-16 9.4.1 Software Mode....................................................................................................................... 9-16 9.4.2 External GDMA Request Mode .............................................................................................. 9-16 9.4.3 HUART Mode ........................................................................................................................ 9-16 9.4.4 DES Mode ............................................................................................................................. 9-17 9.5 GDMA Function Description .............................................................................................................. 9-17 9.5.1 GDMA Transfers.................................................................................................................... 9-17 9.5.2 Starting/Ending GDMA Transfers ........................................................................................... 9-17 9.5.3 Data Transfer Modes ............................................................................................................. 9-18 9.6 GDMA Transfer Timing Data............................................................................................................. 9-19 9.6.1 Single and One Data Burst Mode .......................................................................................... 9-20 9.6.2 Single and Four Data Burst Mode .......................................................................................... 9-21 9.6.3 Block and One Data Burst Mode ............................................................................................ 9-22 9.6.4 Block and Four Data Burst ..................................................................................................... 9-23 |
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