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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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SPRUG18 Datenblatt(PDF) 63 Page - Texas Instruments |
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SPRUG18 Datenblatt(HTML) 63 Page - Texas Instruments |
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63 / 214 page  TMS320C6474 www.ti.com SPRS552H – OCTOBER 2008 – REVISED APRIL 2011 Table 5-5. C6474 Default Master Priorities DEFAULT MASTER PRIORITIES MASTER (0 = Highest priority, PRIORITY CONTROL 7 = Lowest priority) EDMA3TCx 0 QUEPRI.PRIQx (EDMA3 register) SRIO (Data Access) 0 PER_SET_CNTL.CBA_TRANS_PRI (SRIO register) SRIO (Descriptor Access) 1 PRI_ALLOC.SRIO_CPPI EMAC 1 PRI_ALLOC.EMAC C64x+ Megamodule (MDMA port) 7 MDMAARBE.PRI (C64x+ Megamodule register) C64x+ Megamodule (CPU Arbitration control 1 CPUARBU (C64x+ Megamodule register) to L2) C64x+ Megamodule (IDMA channel 1) 0 IDMA1_COUNT (C64x+ Megamodule register) 5.5 Power-Down Control The C64x+ Megamodule supports the ability to power-down various parts of the C64x+ Megamodule. The power-down controller (PDC) of the C64x+ Megamodule can be used to power down L1P, the cache control hardware, the CPU, and the entire C64x+ Megamodule. These power-down features can be used to design systems for lower overall system power requirements. Note that the device does not support power-down modes for the L2 memory at this time. 5.6 Megamodule Resets Table 5-6 shows the reset types supported on the device and if the resetting affects the Megamodule globally or just locally. Table 5-6. Megamodule Reset (Global or Local) RESET TYPE GLOBAL RESET LOCAL RESET Power-On Y Y Warm Y Y System Y Y CPU N Y 5.7 Megamodule Revision The version and revision of the C64x+ Megamodule can be read from the Megamodule Revision ID Register (MM_REVID) located at address 0181 2000h. The MM_REVID register is shown in Figure 5-5 and described in Table 5-7. The C64x+ Megamodule revision is dependant on the silicon revision being used. Figure 5-5. Megamodule Revision ID Register (MM_REVID) [Hex Address: 0181 2000h] 31 16 15 0 VERSION REVISION(1) R-3h R-n LEGEND: R/W = Read/Write; R = Read only; -n = value after reset (1) The C64x+ Megamodule revision is dependent on the silicon revision being used. Copyright © 2008–2011, Texas Instruments Incorporated C64x+ Megamodule 63 Submit Documentation Feedback Product Folder Link(s) :TMS320C6474 |
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