OV7725引脚配置

最新推荐文章于 2024-10-10 16:20:49 发布

原创最新推荐文章于 2024-10-10 16:20:49 发布 · 1.4k 阅读

1 ·

CC 4.0 BY-SA版权

该博客详细介绍了如何在pynq-Z2板子上配置OV7725摄像头接口的xdc文件，包括设置时钟、HDMI接口以及各个关键信号引脚的连接，确保信号标准为LVCMOS33，并应用了适当的上拉电阻。

OV7725引脚配置

以下xdc文件配置的板子是pynq-Z2 ：
#----------------------摄像头接口的时钟---------------------------
create_clock -period 41.600 -name cam_pclk -waveform {0.000 20.800} [get_ports cmos_pclk]
set_property CLOCK_DEDICATED_ROUTE FALSE [get_nets cmos_pclk_IBUF]

#----------------------HDMI接口---------------------------
set_property PACKAGE_PIN J18 [get_ports {TMDS_tmds_data_p[2]}]
set_property PACKAGE_PIN K19 [get_ports {TMDS_tmds_data_p[1]}]
set_property PACKAGE_PIN K17 [get_ports {TMDS_tmds_data_p[0]}]
set_property PACKAGE_PIN L16 [get_ports TMDS_tmds_clk_p]

#----------------------摄像头接口---------------------------
set_property PACKAGE_PIN T10 [get_ports cmos_xclk]
set_property IOSTANDARD LVCMOS33 [get_ports cmos_xclk]
set_property PACKAGE_PIN U18 [get_ports {emio_sccb_tri_io[0]}]
set_property PACKAGE_PIN U19 [get_ports {emio_sccb_tri_io[1]}]
set_property IOSTANDARD LVCMOS33 [get_ports {emio_sccb_tri_io[1]}]
set_property IOSTANDARD LVCMOS33 [get_ports {emio_sccb_tri_io[0]}]
set_property PACKAGE_PIN Y16 [get_ports cmos_rst_n]
set_property IOSTANDARD LVCMOS33 [get_ports cmos_rst_n]
set_property PACKAGE_PIN Y19 [get_ports cmos_href]
set_property PACKAGE_PIN V12 [get_ports cmos_pclk]
set_property PACKAGE_PIN W13 [get_ports cmos_pwdn]
set_property PACKAGE_PIN Y18 [get_ports cmos_vsync]
set_property IOSTANDARD LVCMOS33 [get_ports cmos_href]
set_property IOSTANDARD LVCMOS33 [get_ports cmos_pclk]
set_property IOSTANDARD LVCMOS33 [get_ports cmos_pwdn]
set_property IOSTANDARD LVCMOS33 [get_ports cmos_vsync]
set_property PULLUP true [get_ports {emio_sccb_tri_io[1]}]
set_property PULLUP true [get_ports {emio_sccb_tri_io[0]}]

set_property PACKAGE_PIN T11 [get_ports {cmos_data[7]}]
set_property PACKAGE_PIN W16 [get_ports {cmos_data[6]}]
set_property PACKAGE_PIN Y14 [get_ports {cmos_data[5]}]
set_property PACKAGE_PIN V16 [get_ports {cmos_data[4]}]
set_property PACKAGE_PIN W14 [get_ports {cmos_data[3]}]
set_property PACKAGE_PIN W19 [get_ports {cmos_data[2]}]
set_property PACKAGE_PIN Y17 [get_ports {cmos_data[1]}]
set_property PACKAGE_PIN W18 [get_ports {cmos_data[0]}]
set_property IOSTANDARD LVCMOS33 [get_ports {cmos_data[7]}]
set_property IOSTANDARD LVCMOS33 [get_ports {cmos_data[6]}]
set_property IOSTANDARD LVCMOS33 [get_ports {cmos_data[5]}]
set_property IOSTANDARD LVCMOS33 [get_ports {cmos_data[4]}]
set_property IOSTANDARD LVCMOS33 [get_ports {cmos_data[3]}]
set_property IOSTANDARD LVCMOS33 [get_ports {cmos_data[2]}]
set_property IOSTANDARD LVCMOS33 [get_ports {cmos_data[1]}]
set_property IOSTANDARD LVCMOS33 [get_ports {cmos_data[0]}]