VIVADO生成MCS

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tcl console里面执行 

write_cfgmem -format mcs -interface spix4 -size 128 -loadbit "up 0 E:/x.bit" -file  x.mcs 

Ffor CFGBVS and CONFIG_VOLTAGE  as:

set_property CFGBVS Vcco [current_design]

set_property config_voltage 2.5 [current_design]

The options for CFGBVS are VCCO or GND. 

The options for config_voltage are 1.8/2.4/3.3

1.SPI flash约束
这里spi flash约束是针对博兰锐思主板M7的N25Q128A13BSF40E SPI flash进行的约束

set_property CFGBVS VCCO [current_design]
set_property CONFIG_VOLTAGE 3.3 [current_design]
set_property BITSTREAM.GENERAL.COMPRESS true [current_design]
set_property BITSTREAM.CONFIG.CONFIGRATE 50 [current_design]
set_property BITSTREAM.CONFIG.SPI_BUSWIDTH 4 [current_design]
set_property BITSTREAM.CONFIG.SPI_FALL_EDGE Yes [current_design]

2.BPI flash

这里bpi flash 是针对VC707的 PC28F00AG18FE BPI flash进行的约束

set_property BITSTREAM.CONFIG.CONFIGRATE 50 [current_design]
set_property BITSTREAM.CONFIG.BPI_SYNC_MODE Type1 [current_design]
set_property BITSTREAM.CONFIG.EXTMASTERCCLK_EN div-1 [current_design]
set_property BITSTREAM.GENERAL.COMPRESS TRUE [current_design]
set_property BITSTREAM.CONFIG.UNUSEDPIN Pullup [current_design]
set_property CONFIG_MODE BPI16 [current_design]
set_property CFGBVS GND [current_design]
set_property CONFIG_VOLTAGE 1.8 [current_design]

VIVADO生成MCS

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原文地址：http://www.cnblogs.com/fpga/p/5468112.html