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【应用手册】Configuring Cyclone FPGAs
You can configure Cyclone® FPGAs using one of several configuration
schemes, including the active serial (AS) configuration scheme. This
scheme is used with the low cost serial configuration devices. Passive
serial (PS) and Joint Test Action Group (JTAG)-based configuration
schemes are also supported by Cyclone FPGAs. Additionally, Cyclone
FPGAs can receive a compressed configuration bit stream and
decompress this data in real-time, reducing storage requirements and
configuration time.
cyc_c51013(Replaces AN 250).pdf