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TMP320C6720RFP300 bảng dữ liệu(PDF) 12 Page - Texas Instruments |
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TMP320C6720RFP300 bảng dữ liệu(HTML) 12 Page - Texas Instruments |
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12 / 118 page ![]() 2.6 High-Performance Crossbar Switch SYSCLK3 SYSCLK1 SYSCLK2 SYSCLK3 BR3 BR4 2 1 Priority EMIF External Memory SDRAM/ Flash Priority 2 1 3 4 T2 SYSCLK2 SYSCLK1 BR1 SYSCLK2 SYSCLK1 BR2 Program Master Port (PMP) CPU Slave Port (CSP) Data Master Port (DMP) Memory Controller M1 T1 M2 Priority 1 2 3 PLL SPI0 I2C0 I2C1 RTI SPI1 Peripheral Configuration Bus McASP2 McASP1 McASP0 McASP DMA Bus Priority 1 2 3 Priority 1 2 T4 T3 dMAX MAX0 Unit Master Port − High Priority dMAX MAX1 Unit Master Port − Second Priority Memory Controller DMP − Data Read/Write by CPU UHPI Master Interface (External Host CPU) UHPI Universal Host-Port Interface M5 MAX0 MAX1 1 2 3 Priority Config dMAX T5 M3 M4 External Host MCU Config ROM RAM CPU Program Cache Crossbar TMS320C6727B, TMS320C6726B, TMS320C6722B, TMS320C6720 Floating-Point Digital Signal Processors SPRS370E – SEPTEMBER 2006 – REVISED JULY 2008 www.ti.com The C672x DSP includes a high-performance crossbar switch that acts as a central hub between bus masters and targets. Figure 2-4 illustrates the connectivity of the crossbar switch. Figure 2-4. Block Diagram of Crossbar Switch As shown in Figure 2-4, there are five bus masters: M1 Memory controller DMP for CPU data accesses to peripherals and EMIF. M2 Memory controller PMP for program cache fills from the EMIF. M3 dMAX HiMAX master port for high-priority DMA accesses. M4 dMAX LoMAX master port for lower-priority DMA accesses. M5 UHPI master port for an external MCU to access on-chip and off-chip memories. 12 Device Overview Submit Documentation Feedback |
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