240128字库液晶屏

厂商：杭州清达光电技术有限公司

北京市北京市

主营产品：
液晶模块
液晶显示模块
液晶屏

联系电话：13701081790

商品详细描述

240128字库液晶屏,电力行业专用液晶屏
1.240*128点阵
2.内置RA8822控制器，带中文字库
3.3.3V/5V供电可选
4.并口通信
5.可显示8行汉字，每行15个

型号	规格	模块大小	显示尺寸	控制器	点大小	背光	备注	PDF
HG2401288系列	240*128	144.0*97.0	114.0*64.0	RA8822	0.40*0.40	LED	5/3.3V可选

+ 产品资料

PIN CONNECTIONS

Pin	Symbol	Level	Function
1	VSS	0V	Ground
2	VDD	+5V	Power supply for Logic
3	V0	-	Operating voltage for LCD
4	/WR	H/L	Write signal "L"
5	/RD	H/L	Read signal "L"
6	/CS	L	Chip enable signal
7	C/D	H/L	"L" Instruction code "H" Data
8	/RES	L	Reset signal "L"
9 ︱ 16	DB0 ︱ DB7	H/L	Data bus line
17	Busy	H/L	Check Busy
18	VEE	-	Negative voltage output
19	LEDA	+5.0	Power supply for B/L
20	LEDK	0V	Power supply for B/L

NOTES:
1. Built-in RA8822 (With Chinese Char ROM)
2. 5/3.3V power supply optional

MECHANICAL DATA

Item	Nominal Dimensions	Unit
Module Size(W x H x T)	144.0X97.0X14.0	mm
Viewing Area (W x H)	114.0X64.0	mm
Dot Pitch (W x H)	0.45X0.45	mm
Dot Size (W x H)	0.40X0.40	mm

ABSOLUTE MAXIMUM RATINGS

Item	Symbol	Min.	Max.	Unit
Supply Voltage (Logic)	VDD-VSS	-0.3	5.5	V
Supply Voltage (LCD)	VDD-V0	0	22	V
Input Voltage	VI	0	VDD	V
Operating Temp.	TOPR	-20	+70	℃
Storage Temp.	TSTG	-30	+80	℃

ELECTRICAL CHARACTERISTICS (VDD=5.0V, Ta=25℃)

Item	Symbol	Min.	Typ	Max.	Unit
Input High Voltage	VIH	0.7 VDD	-	VDD	V
Input Low Voltage	VIL	0	-	0.2 VDD	V
Output High Voltage	VOH	0.7 VDD	-	VDD	V
Output Low Voltage	VOL	0	-	0.2 VDD	V
Supply Current	IDD	-	-	-	mA
LCDDriving Voltage	VDD-V0	-	17.4	-	V

LED BACKLIGHT SPECIFICATIONS (Ta=25℃)

Item	Forward Voltage	Forward Current
YELLOW-GREEN	4.1V	720mA
WHITE	3.1V	150mA

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