XA6SLX9-3CSG225I Xilinx Inc, XA6SLX9-3CSG225I Datasheet - Page 3
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XA6SLX9-3CSG225I
Manufacturer Part Number
XA6SLX9-3CSG225I
Description
IC FPAG SPARTAN 6 9K 225CSGBGA
Manufacturer
Xilinx Inc
Series
Spartan®-6r
Specifications of XA6SLX9-3CSG225I
Number Of Logic Elements/cells
9152
Number Of Labs/clbs
715
Total Ram Bits
589824
Number Of I /o
160
Voltage - Supply
1.14 V ~ 1.26 V
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 100°C
Package / Case
225-LFBGA, CSPBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of Gates
-
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Configuration
XA Spartan-6 FPGAs store the customized configuration data in SRAM-type internal latches. The number of configuration
bits is between 2.6 Mb and 18.8 Mb depending on device size but independent of the specific user-design implementation,
unless compression mode is used. The configuration storage is volatile and must be reloaded whenever the FPGA is
powered up. This storage can also be reloaded at any time by pulling the PROGRAM_B pin Low. Several methods and data
formats for loading configuration are available.
Bit-serial configurations can be either master serial mode, where the FPGA generates the configuration clock (CCLK) signal,
or slave serial mode, where the external configuration data source also clocks the FPGA. For byte-wide configurations,
master SelectMAP mode generates the CCLK signal while slave SelectMAP mode receives the CCLK signal for the 8- and
16-bit-wide transfer. In master serial mode, the beginning of the bitstream can optionally switch the clocking source to an
external clock, which can be faster or more precise than the internal clock. The available JTAG pins use boundary-scan
protocols to load bit-serial configuration data.
The bitstream configuration information is generated by the ISE® software using a program called BitGen. The configuration
process typically executes the following sequence:
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XA Spartan-6 FPGAs support MultiBoot configuration, where two or more FPGA configuration bitstreams can be stored in
a single configuration source. The FPGA application controls which configuration to load next and when to load it.
XA Spartan-6 FPGAs also include a unique, factory-programmed Device DNA identifier that is useful for tracking purposes,
anti-cloning designs, or IP protection. In the XA6SLX75/XA6SLX75T devices, bitstreams can be copy protected using AES
encryption.
Dynamic Reconfiguration Port
The dynamic reconfiguration port (DRP) gives the system designer easy access to parameters for the GTP transceivers.
The DRP behaves like a processor-friendly synchronous interface.
Readback
Most configuration data can be read back without affecting the system’s operation.
CLBs, Slices, and LUTs
Each configurable logic block (CLB) in XA Spartan-6 FPGAs consists of two slices, arranged side-by-side as part of two
vertical columns. There are three types of CLB slices in the XA Spartan-6 architecture: SLICEM, SLICEL, and SLICEX.
Each slice contains four LUTs, eight flip-flops, and miscellaneous logic. The LUTs are for general-purpose combinatorial and
sequential logic support. Synthesis tools take advantage of these highly efficient logic, arithmetic, and memory features.
Expert designers can also instantiate them.
SLICEM
One quarter (25%) of the XA Spartan-6 FPGA slices are SLICEMs. Each of the four SLICEM LUTs can be configured as
either a 6-input LUT with one output, or as dual 5-input LUTs with identical 5-bit addresses and two independent outputs.
These LUTs can also be used as distributed 64-bit RAM with 64 bits or two times 32 bits per LUT, as a single 32-bit shift
register (SRL32), or as two 16-bit shift registers (SRL16s) with addressable length. Each LUT output can be registered in a
flip-flop within the CLB. For arithmetic operations, a high-speed carry chain propagates carry signals upwards in a column
of slices.
DS170 (v1.0) March 2, 2010
Advance Product Specification
Detects power-up (power-on reset) or PROGRAM_B when Low.
Clears the whole configuration memory.
Samples the mode pins to determine the configuration mode: master or slave, bit-serial or parallel.
Loads the configuration data starting with the bus-width detection pattern followed by a synchronization word, checks
for the proper device code, and ends with a cyclic redundancy check (CRC) of the complete bitstream.
Starts a user-defined sequence of events: releasing the internal reset (or preset) of flip-flops, optionally waiting for the
DCMs and/or PLLs to lock, activating the output drivers, and transitioning the DONE pin to High.
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XA Spartan-6 Automotive FPGA Family Overview
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