Serial Interface Chinese dot matrix Character LCD Modules Application Note

low temperature lcd module with OCM4X8C should note the following:
① wishing to display Chinese characters in a certain position, you should first set the display character position, which is to set the display address, and write Chinese character encoding.
② Display ASCII characters and display Chinese characters during the same procedure. However, successive characters in the display, simply set the time display address, an address by the module automatically add a point to the next character position, otherwise, there will be a display of characters ASCII null character position.
③ When the character is encoded as two bytes, high byte should be written first, and then write the low byte.
④ 128x64 oled module receives instructions prior to the processor inside the module must be confirmed in a non-busy state, that is required to read the BF BF flag is "0", before they can receive new instructions. If not checked before sending a command BF flag, the previous instruction and the instruction must be delayed for a longer intermediate period of time, that is determined to wait for the previous command execution is completed. Please refer to instruction execution time of the instruction sheet instruction execution time instructions.
⑤ "RE" as the basic instruction set and extended instruction set control bit. When you change the "RE", all subsequent instruction set will be maintained in the final state, unless it is changed again "RE" bit, otherwise use the same instruction set, without resetting each time "RE" bit.