User's Manual

7.3.1 Module Clock ON/OFF .................................................................................. 79
7.3.2 Module Clock Frequency Scaling ...................................................................... 79
7.3.3 PLL Bypass and Power Down .......................................................................... 79
7.4 DSP Sleep Mode Management ................................................................................. 80
7.4.1 DSP Sleep Modes ........................................................................................ 80
7.4.2 DSP Module Clock ON/OFF ............................................................................ 80
7.5 3.3 V I/O Power Down ............................................................................................ 81
7.6 Video DAC Power Down ......................................................................................... 81
8 Interrupt Controller ................................................................................................... 83
9 System Module ........................................................................................................ 85
9.1 Overview ............................................................................................................ 86
9.2 Device Identification ............................................................................................... 86
9.3 Device Configuration .............................................................................................. 86
9.3.1 Pin Multiplexing Control ................................................................................. 86
9.3.2 Device Boot Configuration Status ...................................................................... 86
9.4 3.3 V I/O Power-Down Control .................................................................................. 87
9.5 Peripheral Status and Control ................................................................................... 87
9.5.1 Timer Control ............................................................................................. 87
9.5.2 VPSS Clock and DAC Control .......................................................................... 87
9.5.3 DDR2 VTP Control ....................................................................................... 87
9.5.4 HPI Control ................................................................................................ 87
9.6 Bandwidth Management .......................................................................................... 88
9.6.1 Bus Master DMA Priority Control ....................................................................... 88
9.6.2 EDMA Transfer Controller Configuration .............................................................. 89
9.7 Boot Control ........................................................................................................ 89
10 Reset ...................................................................................................................... 91
10.1 Overview ............................................................................................................ 92
10.2 Reset Pins .......................................................................................................... 92
10.3 Device Configurations at Reset ................................................................................. 92
10.4 DSP Reset ......................................................................................................... 93
10.4.1 DSP Local Reset ........................................................................................ 93
10.4.2 DSP Module Reset ...................................................................................... 93
11 Boot Modes ............................................................................................................. 95
A Revision History ....................................................................................................... 97
SPRU978E – March 2008 Contents 5
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