[7]
TableofCommands
Prefix Command Parameter Description Executiontime
‐ ‐ 1Byte DisplayCharacterWrite(0x00~0xFF) 100uS
0xFE 0x41 None Displayon 100uS
0xFE 0x42 None Displayoff 100uS
0xFE 0x45 1Byte Setcursor 100uS
0xFE 0x46 None Cursorhome 1.5mS
0xFE 0x47 None Underlinecursoron 1.5mS
0xFE 0x48 None Underlinecursoroff 1.5mS
0xFE 0x49 None Movecursorleftoneplace 100uS
0xFE 0x4A None Movecursorrightoneplace 100uS
0xFE 0x4B None Blinkingcursoron 100uS
0xFE 0x4C None Blinkingcursoroff 100uS
0xFE 0x4E None Backspace 100uS
0xFE 0x51 None Clearscreen 1.5mS
0xFE 0x52 1Byte Setcontrast 500uS
0xFE 0x53 1Byte Setbacklightbrightness 100uS
0xFE 0x54 9Byte Loadcustomcharacter 200uS
0xFE 0x55 None Movedisplayoneplacetotheleft 100uS
0xFE 0x56 None Movedisplayoneplacetotheright 100uS
0xFE 0x61 1Byte ChangeRS‐232BAUDrate 3mS
0xFE 0x62 1Byte ChangeI2Caddress 3mS
0xFE 0x70 None Displayfirmwareversionnumber 4mS
0xFE 0x71 None DisplayRS‐232BAUDrate 10mS
0xFE 0x72 None DisplayI2Caddress 4mS
ChangingtheI2CSlaveAddress
Syntax hexadecimal 0xFE 0x62 [addr]
Parameter Parameter Length Description
[addr] 1byte NewI
2
Caddress,0x00–0xFE
TheLSBisalways‘0’.
Description ThiscommandsetstheI2Caddress.Theaddressmustbeanevennumber(LSB=0).The
addresschangerequires20microsecondstotakeeffect;therefore,thesubsequentinput
musthave anappropriatedelay.ThedefaultI2CaddresscanberestoredifSPIorRS‐232
isselectedasthecommunicationmode.
Default:0x50