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Motor de Búsqueda de Datasheet de Componentes Electrónicos |
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Motor de Búsqueda de Datasheet de Componentes Electrónicos |
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MPC8280 Datasheet(PDF) 568 Page - Freescale Semiconductor, Inc |
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MPC8280 Datasheet(HTML) 568 Page - Freescale Semiconductor, Inc |
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568 / 1386 page  Communications Processor Module Overview MPC8280 PowerQUICC II Family Reference Manual, Rev. 1 14-18 Freescale Semiconductor Figure 14-7. Internal RAM Block Diagram The internal data RAM can be accessed by the following: • CP load/store machine • CP block transfer module (BTM) • PPC 60x slave • SDMA—60x bus • SDMA—Local bus The internal instruction RAM can be accessed by the following: • CP instruction fetcher (in case of microcode from RAM) • PPC 60x slave Figure 14-8 shows a memory map of the internal data RAM. The addresses refer to CPU address space. 32 Kbytes Slave address RISC data address Internal Data RAM DMA (PPC) address DMA (local) address BTM address Slave data RISC data DMA (PPC) data DMA (local) data BTM data 32 Kbytes Slave address RISC Instruction address RISC trace buffer address Internal Instruction RAM Slave data RISC instruction Trace buffer data |
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