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PC312XDP512F0CFVR Fiches technique(PDF) 682 Page - Freescale Semiconductor, Inc

No de pièce PC312XDP512F0CFVR
Description  HCS12X Microcontrollers
PDF  1348 Pages
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Fabricant  FREESCALE [Freescale Semiconductor, Inc]
Site Internet  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

PC312XDP512F0CFVR Fiches technique(HTML) 682 Page - Freescale Semiconductor, Inc

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Chapter 18 Memory Mapping Control (S12XMMCV3)
MC9S12XDP512 Data Sheet, Rev. 2.21
682
Freescale Semiconductor
18.4.4
Chip Bus Control
The MMC controls the address buses and the data buses that interface the S12X masters (CPU, BDMand
XGATE) with the rest of the system (master buses). In addition the MMC handles all CPU read data bus
swapping operations. All internal and external resources are connected to specific target buses (see
Figure 18-261).
Figure 18-26. MMC Block Diagram
1. Doted blocks and lines are optional. Please refer to the Device User Guide for their availlibilities.
CPU
BDM
MMC “Crossbar Switch”
XGATE
S12X1
S12X0
XGATE
XBUS3
XBUS0
XBUS1
XRAM
XBUS2
DBG
FLEXRAY
S12X2
IPBI
FLASH
EETX
EBI
XSRAM
BDM
FTX
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