umn of the upper left corner which was the upper part was shown by Column scanning method first, namely, P00~P07 port of 0 column, direction was P00~P07, Chinese character for "large" was displayed, P05 was on, the other is off. That is, binary is 00000100, and convert to hexadecimal as 04h. After the first column of the upper part was over, and continue to scan the bottom half of the first column, It can be seen from Figure 7, this column is not on all, that is, binary was 00000000, hex was 00h. According to this method, the second column, third column, until the sixteenth was scanned in turn. Characters "big" scan code can be drawn.Р04H, 00H, 04H, 02H, 04H, 02H, 04H, 04HР04H, 08H, 04H, 30H, 05H, 0C0H, 0FEH, 00HР05H, 80H, 04H, 60H, 04H, 10H, 04H, 08HР04H, 04H, 0CH, 06H, 04H, 04H ,00H, 00H
全文预览
