Introduction - If you have any usage issues, please Google them yourself
lcd driver
-- LCD Driver Module for driving HD44780 Controller
-- A. Greensted, June 2007
-- Information source:
-- Generic tickNum must be set such that:
-- tickNum = 10us/Period clk
-- This provides an internal tick every 10us
-- Clk: 100 MHz, tickNum: 1000
-- Clk: 32 MHz, tickNum: 320
-- Clk: 10 MHz, tickNum: 100