參數(shù)資料
型號: TMX320DM647ZUT720
廠商: Texas Instruments, Inc.
英文描述: Digital Media Processor
中文描述: 數(shù)字媒體處理器
文件頁數(shù): 51/166頁
文件大?。?/td> 1341K
代理商: TMX320DM647ZUT720
www.ti.com
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4.3 Configuration Switch Fabric
TMS320DM647/TMS320DM648
Digital Media Processor
SPRS372–MAY 2007
Table 4-1. Connectivity Matrix for Data SCR
MEGAMODULE
DDR2 EMIF
EMIFA
VIDEO
PORT 0-2
Y
Y
Y
Y
N
N
N
N
N
VIDEO
PORT 3-4
Y
Y
Y
Y
N
N
N
N
N
PCI
VLYNQ
Configuration
SCR
Y
Y
Y
N
N
Y
Y
Y
N
TC0
TC1
TC2
TC3
Megamodule
HPI
PCI
VLYNQ
Ethernet Subsystem
Y
Y
Y
Y
N
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
N
Y
Y
Y
Y
N
Y
Y
Y
N
Y
Y
Y
Y
N
Figure 4-2
shows the connection between the C64x+ megamodule and the configuration SCR, which is
mainly used by the C64x+ Megamodule to access peripheral registers. The data SCR also has a
connection to the configuration SCR that allows masters to access most peripheral registers. The only
registers not accessible by the data SCR through the configuration SCR are the device configuration
registers and the PLL1 and PLL2 controller registers; these can be accessed only by the C64x+
Megamodule. The configuration SCR uses 32-bit configuration buses running at SYSCLK2 frequency.
SYSCLK2 is supplied by the PLL1 controller and is fixed at a frequency equal to the CPU frequency
divided by 3.
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