LCD
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REVISIONS NO. DATE BY 1 01/06/18 A.CH
DESCRIPTION NEW RELEASE
PI...
Description
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REVISIONS NO. DATE BY 1 01/06/18 A.CH
DESCRIPTION NEW RELEASE
PINS ASSIGNMENT NO. SYSBOL DESCRIPTION
K
A 128 X 32 DOTS
A
RS(CS) R/W(SID) E(SCLK) DB0-DB7 VDD VSS /RST 32 COM
SEGMENT DRIVER ST7920
64 SEG
LED + LED -
LED/EL BACKLIGHT
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LCD PANEL 128X32 DOTS
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64 SEG
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7 8 9-16 17 18 19 20 21 22 23 24
1 2 3 4 5 6
LED + POWER SUPPLY FOR LED BACKLIGHT (+) LED POWER SUPPLY FOR LED BACKLIGHT (-) VSS POWER SUPPLY VDD POWER SUPPLY V0 CONTRAST ADJUST DATA/INSTRUCTION SELECT(CHIP SELECTION) RS READ/WRITE CONTROL(SERIAL DATA INPUT/OUTPUT) R/W E ENABLE SIGNAL(SERIAL CLOCK SIGNAL) DB0--DB7 DATA BUS IN PARALLEL INTERFACE LED + POWER SUPPLY FOR LED BACKLIGHT (+) LED POWER SUPPLY FOR LED BACKLIGHT (-) VSS POWER SUPPLY VDD POWER SUPPLY V0 CONTRAST ADJUST CS CHIP SELECTION FOR SERIAL MODE SERIAL DATA INPUT SID SCLK SERIAL CLOCK INPUT
ABSOLUTE MAXIMUM RATING
POWER SUPPLY(LOGIC) POWER SUPPLY(LCD DRV.) INPUT VOLTAGE
ITEM
SYMBOL
VDD-VSS VDD-V0 Vi
MIN MAX UNIT
-0.3 -0.3 -0.3 7.0 13.5 VDD V V V
ELECTRICAL CHARACTERISTICS
VOLTAGE FOR LOGIC SUPPLY CURRENT H INPUT VOLTAGE L H OUTPUT VOLTAGE L
(VDD=5.0±0.25V, 25C)
4.75 2.2 -0.3 2.4 5.0 1.3 5.25 2.2 VDD 0.6 0.4 V mA V V V V
ITEM
SYMBOL MIN TYP MAX UNIT
VDD-VSS IDD ViH ViL VoH VoL
OVERALL SIZE VIEWING AREA DOT NUMBER DOT SIZE DOT PITCH
MECHANICAL SPECIFICATIONS SPECIFICATION ITEM
110.0W x 65.OH x 13.5T 77.6W x 24.6H 128W X 32H 0.52W X 0.52H...
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