Altera Parallel Flash Loader IP Manuale Utente Pagina 11

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The PFL IP core instantiated in the Altera CPLD functions as a bridge between the CPLD JTAG program‐
ming interface and the quad SPI flash memory device interface that connects to the Altera CPLD I/O pins.
You can connect up to four identical quad SPI flashes in parallel to implement more configuration data
storage.
Note: When connecting quad SPI flashes in parallel, use identical flash memory devices with the same
memory density from the same device family and manufacturer. In the Quartus II software version
10.0 onwards, quad SPI flash support is available in the PFL IP core.
Figure 6: Programming Quad SPI Flash Memory Devices With the CPLD JTAG Interface
Figure shows an Altera CPLD functioning as a bridge to program the quad SPI flash memory device
through the JTAG interface. The PFL IP core supports multiple quad SPI flash programming of up to four
devices.
Related Information
Supported Flash Memory Devices on page 2
UG-01082
2015.01.23
Programming Quad SPI Flash
11
Parallel Flash Loader IP Core User Guide
Altera Corporation
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