Datasheet Summary
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122- 32DOTS(带中文字库) STN/YELLOW GREEN 1/32DUTY 1/5BIAS
OUTLINE DIMENSION
PIN CONNECTIONS
NO. 1 2 3 4 5 6 7~14 15 16 SYMBOL VSS VDD VO A0 R/W E DB0-DB7 LEDA LEDK Ground (0V) Supply Voltage for Logic (+5V or +3.0V) Contrast Adjustment Data/Instruction Select Read/Write Select Enable Signal DATA BUS LINE LED Supply Voltage + (5V) LED Supply Voltage (0V) FUNCTION
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BLOCK DIAGRAM & INTERFACE
C1--32
VDD VSS
LCD PANEL 122X32 DOTS
64 ST7920 48 ST7921
LCD Bias Circuit
A0,R/W,E DB0-DB7
POWER SUPPLY
VDD +5V LCD Bias Circuit VR LCD Module...