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ST40RA Folha de dados(PDF) 21 Page - STMicroelectronics

Nome de Peças ST40RA
Descrição Electrónicos  32-bit Embedded SuperH Device
PDF  94 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST40RA Folha de dados(HTML) 21 Page - STMicroelectronics

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5 System configuration
ST40RA
21/94
STMicroelectronics
ADCS 7260755H
5.8
Memory bridge control
The architecture of the SuperHyway interconnect is shown in
Figure 3. Initiators are shown on the
left, and targets are shown on the right of the interconnect. The bit width of the initiator and target
ports are shown in the diagram.
The ST40RA architecture requires seven memory bridges on clock change boundaries.
Figure 3: ST40RA interconnect architecture
Memory bridge number
SuperHyway type
Subsystem
1
T3
EMI target
2
T3
EMPI initiator
3
T1
EMI_SS target
4
T2
Reserved
5
T2
Reserved
6T3
PCI_ST_I
7T3
PCI_ST_T
Table 9: Memory bridges
SuperHyway
Interconnect
SH core
EMPI
PCI_ST_I
LMI
EMI
PCI_ST_T
Memory
bridge
Memory
bridge
Memory
bridge
Memory
bridge
P
I
PER
SH_PER
32
32
32
GPDMA
32
64
32
32
32



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