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LG122325
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Built 8192 Chinese Fonts
BEIJING SYNTOPSTART
ABSOLUTE MAXIMUM RATINGS
Item Supply Voltage(Logic) Supply Voltage(LCD) Input Voltage Operating Temp. Storage Temp. Symbol Topr Tstg Min. -0.3 -0.3 -0.3 Max. Unit
MECHANICAL DATA
Item Module Size Viewing Area Pitch Size Weight (Reflective/LED) Nominal Dimensions 74.0 40.0 9.5/13.5 60.5 18.5 0.44 0.49 0.40 0.45 Approx. Unit
ELECTRICAL CHARACTERISTICS =5.0V
Item Input High Voltage Input Voltage Output High Voltage Output Voltage Supply Current Driving Voltage Symbol Test Condition -Min.
Typ. -3.0 Max. Unit
CONNECTIONS
Symbol E(SCLK) (SID) (CS) /RST Level Function
0.7VDD 0.1mA 0.8VDD 0.1mA -VDD 5.0V -Ta=25
Data line
BLOCK DIAGRAM
Parallel mode Serial mode Enable (Clock serial mode) Read Write (Serial data serial mode) Data Instruction code (Chip enable serial mode) Power supply logic Reset signal, active connection
RS(CS) R/W(SID) E(SCLK) /RST
Controller ST7920
PANEL dots
ST7921
BACKLIGHT SPECIFICATIONS (Ta=25
LEDA LEDK Item Backlight Forward Voltage Forward Current Emission Wave Length Symbol Typ. Max. -Unit
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