JRM-12232E.pdf 데이터시트 (총 3 페이지) - 파일 다운로드 JRM-12232E 데이타시트 다운로드

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JRM-12232E
1 OUTLINE DIMENSION
122*32DOTS(带中文字库)
STN/YELLOW GREEN
1/32DUTY 1/5BIAS
2 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
FUNCTION
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)
深圳市久日光电子有限公司
TEL:0755-83746588 83999468 FAX:0755-83998518
http://www.jiurilcd.com
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3 BLOCK DIAGRAM & INTERFACE
LCM
C1--32
LCD PANEL
VDD 122X32 DOTS
VSS
64 48
ST7920
ST7921
VO LCD Bias
Circuit
A0,R/W,E
DB0-DB7
4 POWER SUPPLY
LCD Bias
Circuit
LCD
Module
5V Power input
VDD +5V
VR
VSS
LCD Bias
Circuit
VDD +3V
LCD
Module
3V Power input
VR
VSS
深圳市久日光电子有限公司
TEL:0755-83746588 83999468 FAX:0755-83998518
http://www.jiurilcd.com
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5 ELECTRO-OPTICAL CHARACTERISTICS
Parameter Symbol
Logic Circuit VDD-VSS
Supply Voltage
LCD Driving VDD-VO
Voltage (Normal
Temp. type)
Input Voltage
Logic Supply
Current
VIH
VIL
IDD
Condition
Min Typ Max
----- Electronic Characteristics -----
-- 3.0 5.0 5.5
Unit
V
0 °C
25 °C
50 °C
--
--
VDD = 5V
--
--
--
0.7 VDD
VSS
--
-- -- V
5.0 --
-- --
-- VDD V
-- 0.3 VDD V
1 2 mA
Note
----- Temperature Characteristics -----
Normal temp.
type
TOP
TSTG
Operating Temp.
Storage Temp.
0
-10
50 °C
60 °C
Extended temp.
type
TOP
TSTG
Operating Temp.
Storage Temp.
-20
-30
70 °C
80 °C
----- LED Back-light Characteristics -----
Parameter
Symbol
Condition
Min Typ Max Unit
Note
Forward Voltage
VF
-- 3.8 4.2 4.5 V Supply Voltage
between A&K
Forward Current
IF
VF=4.05V -- 90 -- mA
Bare LED Luminous intensity VF=4.05V
-- 110 -- cd/m2
LCM Luminous intensity
VF=4.05V
--
30
-- cd/m2
深圳市久日光电子有限公司
TEL:0755-83746588 83999468 FAX:0755-83998518
http://www.jiurilcd.com
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