How to generate a clock enable signal on FPGA - FPGA4student.com
Figure 2 | vMAGIC—Automatic Code Generation for VHDL
How to create a Clocked Process in VHDL - VHDLwhiz
GitHub - jhpark16/FPGA-muti-clock-generator-275MHz-XC6SLX9: Multiple (8) high frequency clocks generated using a Xilinx XC6SLX9, VHDL and free Xilinx ISE.
VHDL Code for Clock Divider on FPGA - FPGA4student.com