XC17V02PC44C

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The XC17V02PC44C is a non-volatile configuration prom for Xilinx’s XC4000 field programmable gate array (FPGA) family. This prom is the ideal choice to store configuration bit stream data for your XC4000 FPGA designs. This prom stores the configuration data in a secure and reliable fashion, safeguarding precious design data. The prom’s storage allows data to be written or read in a variety of ways, enabling system designers to create powerful and reliable FPGA based products.

In terms of application field and working principle, the XC17V02PC44C is designed specifically for XC4000 field programmable gate array, including FPGA, CPLD and FPGA-like devices. It features two-wire Serial Peripheral Interface for I/O and configuration data. The SPI port is used for 32-bit read and write operations, with a read data bit sequence of 16 bits and four address bits. It provides 3Kbit configuration framestore, a range of package and pinout options, and a wide operating temperature range of 0°C to 70°C.

To use the prom in an FPGA design, a 4-bit control signal, named _CONFIG is used to control the configuration cycle. This signal is connected to the FPGA’s _CONFIG pin. The _CONFIG signal controls the timing of the configuration sequence, and provides the clock signal used by the prom to advance configuration data. The _CONFIG signal is active low, indicating that it is high when the signal is off and low when the signal is on.

When the FPGA is powered up, the XC17V02PC44C configuration prom will start the configuration process by generating a predetermined level of the _CONFIG signal. In the first clock pulse of the _CONFIG signal, the prom will read in a 4-bit control word, followed by 8-bit data words. The 4-bit control word specifies the configuration instruction, like writing to the configurable cells, or skipping to another instruction. The 8-bit data word is the actual data that will be written to the configurable cells.

The configuration data provided by the configuration prom will be applied to the FPGA’s configurable cells. If a configuration instruction is issued to write to a configurable cell, the prom will output the configuration data to the specified configurable cell. Once the configuration data is applied, the FPGA will process the data and configure its internal configuration logic depending on the configuration data provided by the prom. This process will be repeated until all the configuration data stored in the prom has been applied to the configurable cells, at which point the FPGA will be successfully configured and ready to use.

The XC17V02PC44C configuration prom offers superior configuration times when compared to other methods of FPGA configuration. Configuration times are minimized by the performance and security of the prom’s internal logic. The prom also features error detection and correction, which helps prevent FPGA configuration issues before they arise. Furthermore, the prom’s wide operating temperature range ensures that it can operate in nearly any environment and withstand the harshest conditions.

The XC17V02PC44C is an ideal choice for XC4000 FPGA designs, offering a secure and reliable way to store configuration data and fast configuration times. The prom’s robust design, wide operational temperature range, and error detection and correction capabilities make it an ideal choice for creating powerful and reliable FPGA based products.

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