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| 型號(hào)： | XCCACESERIES |
| 英文描述： | System ACE CompactFlash Solution |
| 中文描述： | 系統(tǒng)ACE CF卡解決方案 |
| 文件頁(yè)數(shù)： | 21/29頁(yè) |
| 文件大?。?/td> | 285K |
| 代理商： | XCCACESERIES |
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System ACE MPM Solution
DS087 (v1.0) September 25, 2001
Advance Product Specification
1-800-255-777821
R
Configuration Data Set Selection
The System ACE MPM provides the opportunity to store up
to eight separate configuration data sets for the target
FPGAs in the system. The System ACE MPM BITSTR-
SEL[0-2] pins determine which of the eight possible data
sets to download. A data set is downloaded to configure the
target FPGAs automatically at system power-up, or a data
set is downloaded to reconfigure the target FPGAs upon
activation of the System ACE MPM SYSRESET pin. See
Table 15
.
At the beginning of a configuration sequence (initiated at
power-up or via the SYSRESET pin), the System ACE MPM
samples the BITSTRSEL[2-0] pins to determine the data
set to download. Then, the System ACE MPM downloads
the data set to all target FPGAs.
The System ACE MPM can be hardwired for power-up con-
figuration. Or, as shown in the example in
Figure 11
, the
System ACE MPM can be actively controlled and monitored
by the microcontroller.
Configuration Status
The System ACE MPM reports status through four status
pins (STATUS[3-0]). The status of the System ACE MPM is
available at all times. See
Table 16
for definitions of the sta-
tus signals.
Table 17
provides the corrective action for status errors.
Table 15:
Configuration Data Set Selection for
BITSTRSEL[2:0] Settings
BITSTRSEL[2:0]
Selected Data
Set
[2]
[1]
[0]
0
0
0
Data Set 0
0
0
1
Data Set 1
0
1
0
Data Set 2
0
1
1
Data Set 3
1
0
0
Data Set 4
1
0
1
Data Set 5
1
1
0
Data Set 6
1
1
1
Data Set 7
Figure 11:
Example Microprocessor-Based Data Set
Selection, Configuration Control, and Configuration
Status Monitor
DS087_12_091001
Microprocessor
Peripheral
Interface
System ACE
MPM
SYSRESET
BITSTRSEL[0-2]
STATUS[0-3]
CTRL_SYSRESET
CTRL_ BITSTRSEL[0-2]
CTRL_ STATUS[0-3]
Table 16:
Status Definitions
STATUS
[3]
STATUS
[2]
STATUS
[1]
STATUS
[0]
Status
Definition
0
0
0
0
Reset OK;
system ready
0
0
0
1
Successful
Slave-Serial or
Slave-
SelectMAP
configuration
0
0
1
0
Configuration
error
(CFG_DONE
did not go
High)
0
0
1
1
Decompress-
ion error
0
1
0
0
Invalid
controller state
(internal error)
0
1
0
1
Invalid
configuration
data or blank
flash memory
0
1
1
x
Reserved
1
x
x
x
MPM in wait
state;. JTAG
Flash
commands
(erase,
blank-check,
program,
verify) can be
issued.
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