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LG128649
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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 Nominal Dimensions Unit Module Size 113.0 65.0 13.5 72.0 39.0 Viewing Area 0.52 0.52 Pitch 0.48 0.48 Size Weight (Reflective/LED) Approx.
ELECTRICAL CHARACTERISTICS 0.25V
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 /RST LEDA LEDK Level -H/L -+5V Function Power supply logic connection Data Instruction code Read Write Enable signal
0.7VDD 0.1mA 0.8VDD 0.1mA -VDD 5.0V -Ta=25
BLOCK DIAGRAM
Control Signals ST7921
Data line
RS(CS) R/W(SID) E(SCLK) /RST LEDA LEDK
Controller ST7920
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Parallel mode Serial mode Connection Reset signal, active connection Power supply backlight
BACKLIGHT SPECIFICATIONS (Ta=25
Item ST7921 Control Signals Forward Voltage Forward Current Emission Wave Length Symbol Typ. Max. -Unit
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