Ericsson GH337 LCD Module
I2c device address: 0x75 (read), 0x74 (write)
Lcd chip: pcf2105 based
Resolution: 3x12 characters
pin1 i2c Sdata pin2 Gnd pin3 _Rset pin4 Vlcd (-2V) pin5 Vlogic (+ 5V) pin6 i2c Sclock