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MPC8280 Datasheet(PDF) 555 Page - Freescale Semiconductor, Inc

Part # MPC8280
Description  PowerQUICC??II Family Reference Manual
PDF  1386 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MPC8280 Datasheet(HTML) 555 Page - Freescale Semiconductor, Inc

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Communications Processor Module Overview
MPC8280 PowerQUICC II Family Reference Manual, Rev. 1
Freescale Semiconductor
14-5
14.3.3
CP Block Diagram
The CP contains the following functional units:
•
Scheduler and sequencer
•
Instruction decoder
•
Execution unit
•
Load/store unit (LSU)
•
Block transfer module (BTM)—moves data between serial FIFO and RAM
•
Eight general purpose registers (GPRs)
•
Special registers, CRC machine, HDLC framer
The CP also gives SDMA commands to the SDMA. The CP interfaces with the dual-port RAM for loading
and storing data and for fetching instructions while running microcode from dual-port RAM.
Figure 14-2 shows the CP block diagram.



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