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Ericsson T20/T28/T29 LCD Pinouts

Ericsson T20 / T28 / T29 LCD Pins

Embedded systems, evaluation board, microcontroller projects, 8051 projects, avr projects, pic projects, Ebooks, lcd info

pin1 Vlcd (+6.4V)
pin2 Vlogic (+2.7V)
pin3 Sdata (i2c)
pin4 Gnd
pin5 Sclk (i2c)


I2c device address: 0x70h, 0x71h

Lcd chip: based on PCF8558

Instruction: control byte, address


Instruction DB7 DB6 DB5 DB4 DB3 DB2DB1 DB0 Description
Display control Y2 Y1 Y0 0 0 00 0 Y address vector, blank mode
0 1 00 1 normal mode
0 1 10 1 all segments on mode
X address 0 X addressset column address

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8051 Microcontroller Projects 8051 AVR tutorials PIC microcontroller, 8051 assembly language programming electronics and communication ECE CSE pdf ebooks library BE final year project ideas Embedded systems