SAM7SE32_14 Datasheet, PDF (677/682 Pages) ATMEL Corporation – Internal High-speed Flash

SAM7SE512/256/32
25 AT91SAM Boot Program ..................................................................... 229
25.1Overview ..............................................................................................................229
25.2Flow Diagram ......................................................................................................229
25.3Device Initialization ..............................................................................................229
25.4SAM-BA Boot ......................................................................................................230
25.5Hardware and Software Constraints ....................................................................233
26 Peripheral DMA Controller (PDC) ....................................................... 235
26.1Overview ..............................................................................................................235
26.2Block Diagram .....................................................................................................235
26.3Functional Description .........................................................................................236
26.4Peripheral DMA Controller (PDC) User Interface ...............................................238
27 Advanced Interrupt Controller (AIC) .................................................. 245
27.1Overview ..............................................................................................................245
27.2Block Diagram .....................................................................................................245
27.3Application Block Diagram ...................................................................................246
27.4AIC Detailed Block Diagram ................................................................................246
27.5I/O Line Description .............................................................................................246
27.6Product Dependencies ........................................................................................247
27.7Functional Description .........................................................................................248
27.8Advanced Interrupt Controller (AIC) User Interface .............................................260
28 Clock Generator ................................................................................... 271
28.1Overview ..............................................................................................................271
28.2Slow Clock RC Oscillator .....................................................................................271
28.3Main Oscillator .....................................................................................................271
28.4Divider and PLL Block .........................................................................................273
29 Power Management Controller (PMC) ................................................ 275
29.1Overview ..............................................................................................................275
29.2Master Clock Controller .......................................................................................275
29.3Processor Clock Controller ..................................................................................276
29.4USB Clock Controller ...........................................................................................276
29.5Peripheral Clock Controller ..................................................................................276
29.6Programmable Clock Output Controller ...............................................................277
29.7Programming Sequence ......................................................................................277
29.8Clock Switching Details .......................................................................................281
29.9Power Management Controller (PMC) User Interface ........................................284
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6222H–ATARM–25-Jan-12