EP3C25的EPCS_controller引腳配置…
Therefore, in order to use the EPCS Configuration Controller the pins must be assigned manually, and the following settings must be made the Quartus? II software.
Please follow these steps:
1. Choose Settings from the Assignments menu
2. Click Device and Pin Options from the Device category
3. Click Dual-Purpose Pins and then make the following changes:
Data[0] -> Use as regular I/O
Data[1] -> Use as regularr I/O
DCLK -> Use as regular I/O
FLASH_nCE/nCS0 -> Use as regular I/O
data0_to_the_epcs_controller -> DATA0
sdo_from the_epcs_controller -> DATA1,ASDO
dclk_from_epcs_controller -> DCLK
sce_from_the_epcs_controller -> FLASH_nCE