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MPC8280 Datasheet(PDF) 525 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) 525 Page - Freescale Semiconductor, Inc

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Memory Controller
MPC8280 PowerQUICC II Family Reference Manual, Rev. 1
Freescale Semiconductor
11-105
Figure 11-85. External Master Access (GPCM)
11.9.5.1
Example of External Master Using the SDRAM Machine
Figure 11-86 shows an interconnection in which a 60x-compatible external master and the MPC8280 can
share access to a SDRAM bank. Note that the address multiplexer is controlled by SDAMUX, while the
address latch is controlled by ALE. Also note that because this is a 64-bit port size SDRAM, BADDR is
not needed.
CLKIN
A[0–28]
A[27–31]
TT
TBST
TSIZ
TS
TA
CS
WE
OE
Data
Address
Match and
Compare
Memory
Device
Access



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