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XC2S100 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Platform Flash In-System Programmable Configuration PROMS - Xilinx

भाग संख्या XC2S100
समारोह Platform Flash In-System Programmable Configuration PROMS
मैन्युफैक्चरर्स Xilinx 
लोगो Xilinx लोगो 
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<?=XC2S100?> डेटा पत्रक पीडीएफ

XC2S100 pdf
R Platform Flash In-System Programmable Configuration PROMS
CLK CE
OE/RESET
TCK
TMS
TDI
Control
and
JTAG
Interface
Data
Address
Memory
Data
Serial
Interface
TDO
CEO
DATA (D0)
Serial Mode
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FI
CLK
CF
Figure 1: XCFxxS Platform Flash PROM Block Diagram
ds123_01_30603
CE EN_EXT_SEL
OE/RESET BUSY
OSC
TCK
TMS
TDI
TDO
Control
and
JTAG
Interface
Data
Address
Memory
Data
Decompressor
Serial
or
Parallel
Interface
CLKOUT
CEO
DATA (D0)
(Serial/Parallel Mode)
D[1:7]
(Parallel Mode)
CF REV_SEL [1:0]
Figure 2: XCFxxP Platform Flash PROM Block Diagram
ds123_19_122105
When the FPGA is in Master Serial mode, it generates a
configuration clock that drives the PROM. With CF High, a
short access time after CE and OE are enabled, data is
available on the PROM DATA (D0) pin that is connected to
the FPGA DIN pin. New data is available a short access
time after each rising clock edge. The FPGA generates the
appropriate number of clock pulses to complete the
configuration.
When the FPGA is in Slave Serial mode, the PROM and the
FPGA are both clocked by an external clock source, or
optionally, for the XCFxxP PROM only, the PROM can be
used to drive the FPGA’s configuration clock.
The XCFxxP version of the Platform Flash PROM also
supports Master SelectMAP and Slave SelectMAP (or
Slave Parallel) FPGA configuration modes. When the FPGA
is in Master SelectMAP mode, the FPGA generates a
configuration clock that drives the PROM. When the FPGA
is in Slave SelectMAP Mode, either an external oscillator
generates the configuration clock that drives the PROM and
the FPGA, or optionally, the XCFxxP PROM can be used to
drive the FPGA’s configuration clock. With BUSY Low and
CF High, after CE and OE are enabled, data is available on
the PROMs DATA (D0-D7) pins. New data is available a
short access time after each rising clock edge. The data is
clocked into the FPGA on the following rising edge of the
CCLK. A free-running oscillator can be used in the Slave
Parallel /Slave SelecMAP mode.
The XCFxxP version of the Platform Flash PROM provides
additional advanced features. A built-in data decompressor
supports utilizing compressed PROM files, and design
revisioning allows multiple design revisions to be stored on
a single PROM or stored across several PROMs. For design
revisioning, external pins or internal control bits are used to
select the active design revision.
Multiple Platform Flash PROM devices can be cascaded to
support the larger configuration files required when
targeting larger FPGA devices or targeting multiple FPGAs
daisy chained together. When utilizing the advanced
features for the XCFxxP Platform Flash PROM, such as
design revisioning, programming files which span cascaded
PROM devices can only be created for cascaded chains
containing only XCFxxP PROMs. If the advanced XCFxxP
features are not enabled, then the cascaded chain can
include both XCFxxP and XCFxxS PROMs.
DS123 (v2.9) May 09, 2006
www.xilinx.com
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