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MPC8280 데이터시트(PDF) 568 Page - Freescale Semiconductor, Inc

부품명 MPC8280
상세설명  PowerQUICC??II Family Reference Manual
PDF  1386 Pages
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제조업체  FREESCALE [Freescale Semiconductor, Inc]
홈페이지  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MPC8280 데이터시트(HTML) 568 Page - Freescale Semiconductor, Inc

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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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