NHD-320240WG-BOTMI-VZ# 数据手册
NHD‐320240WG‐BoTMI‐VZ#
Graphic Liquid Crystal Display Module
NHD‐
320240‐
WG‐
Bo‐
T‐
M‐
I‐
VZ#‐
Newhaven Display
320 x 240 pixels
Display Type: Graphic
Model
WhiteLED Backlight
STN‐ Negative Blue
Transmissive, 6:00 view, Wide Temperature (‐20°C ~+70°C)
Built‐in Negative Voltage
RoHS Compliant
Newhaven Display International, Inc.
2511 Technology Drive, Suite 101
Elgin IL, 60124
Ph: 847‐844‐8795
Fax: 847‐844‐8796
www.newhavendisplay.com
nhsales@newhavendisplay.com
nhtech@newhavendisplay.com
[1]
Document Revision History
Revision
0
1
2
Date
6/7/2007
4/16/2010
11/15/2010
Description
Initial Release
User guide reformat
Mechanical Drawing updated with ZIF connector
Functions and Features
•
•
•
•
320 x 240pixels
Built‐in RA8835Controller
+5.0V power supply
RoHS Compliant
[2]
Changed by
‐
MC
BE
Mechanical Drawing
160.0 0.5
8.5
11.31
86.38(AA)
28.41
115.18(AA)
320*240 Dots
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
13.0MAX
6.5
1.0
ZIF CONNECTOR
COMPARE
MOLEX-52207-2090
1 CON2 20
190.0 5.0
41.0
2.15
104.7
92.0(VA)
25.0
152.0
122.0(VA)
4-3.5PTH
4-PAD
47.4
1.0
(PCB)
LED B/L
The non-specified tolerance of dimension is
0.36
0.34
0.36
0.34
4.0
101.0
109.0 0.5
4.0
DOT SIZE
SCALE 10/1
VSS
Vcc
Vo
A0
R/W
E
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
/CS
/RST
Vee
NC
FG
NC
0.3mm.
Newhaven Display
NHD-320240WG-BoTMI-VZ#
Pin Description and Wiring Diagram
Pin No. Symbol
1
2
3
4
5
6
7‐14
15
16
17
18
19
20
VSS
VDD
V0
A0
R/W
E
DB0‐DB7
/CS
/RST
VEE
NC
FG
NC
External
Connection
Power Supply
Power Supply
Adj Power Supply
MPU
MPU
MPU
MPU
MPU
MPU
Power Supply
‐
‐
‐
Function Description
Ground
Power supply for logic (+5.0V)
Power supply for contrast (approx. ‐19.0V)
Register select signal. A0=0: Command, A0=1: Data
Read/Write select signal, R/W=1: Read R/W: =0: Write
Operation enable signal. Falling edge triggered.
Bi‐directional three‐state data bus lines.
Active LOW chip select
Active LOW reset signal
Negative voltage output (‐25V)
No Connect
No Connect
No Connect
Recommended LCD connector: 1.0mm pitch, 20‐pos FFC connector
Backlight connector:JST p/n: XHP‐3Mates with: JST p/n: B 3B‐XH‐A
[4]
Electrical Characteristics
Item
Operating Temperature Range
Storage Temperature Range
Supply Voltage
Supply Current
Supply for LCD (contrast)
“H” Level input
“L” Level input
“H” Level output
“L” Level output
Backlight Supply Voltage
Backlight Supply Current
Backlight Lifetime
Symbol
Top
Tst
VDD
IDD
VDD‐VLCD
VIH
VIL
VOH
VOL
VLED
ILED
Condition
Absolute Max
Absolute Max
‐
‐
‐
Min.
‐20
‐30
4.5
95.0
22.0
0.5VDD
0
2.4
‐
Typ.
‐
‐
5.0
100.0
24.0
‐
‐
‐
‐
VLED=3.5V
ILED=160mA
3.4
120
‐
3.5
160
50,000
Ta=25°C, VDD=5.0V
Ta=25°C
Max.
+70
+80
5.5
110.0
26.0
VDD
0.2VDD
‐
0.4
3.6
240
‐
Unit
⁰C
⁰C
V
mA
V
V
V
V
V
V
mA
Hrs
Max.
20
30
‐
200
200
Unit
⁰
⁰
‐
ms
ms
Optical Characteristics
Item
Viewing Angle ‐ Vertical
Viewing Angle ‐ Horizontal
Contrast Ratio
Response Time (rise)
Response Time (fall)
Symbol
AV
AH
Cr
Tr
Tf
Condition
Cr ≥3
Cr ≥3
‐
‐
Min.
‐40
‐30
‐
‐
‐
Typ.
‐
‐
3
150
150
Controller Information
Built‐in RA8835. Download specification athttp://www.newhavendisplay.com/app_notes/RA8835.pdf
[5]
Table of Commands
[6]
Timing Characteristics
[7]
[8]
Example Initialization Program:
//‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐
#define A0 P3_0
#define RW P3_7
#define E P3_4
#define CS P3_1
#define RESET P3_6
//‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐
voiddata_out(unsigned char i) //Data Output 16‐bit Bus Interface
{
A0 = 0;
P1 = i;
CS = 0;
RW = 0;
E = 1;
delay(1);
E = 0;
RW = 1;
CS = 1;
}
voidcomm_out(unsigned char j) //Command Output 8‐bit Bus Interface
{
A0 = 1;
P1 = j;
CS = 0;
RW = 0;
E = 1;
delay(1);
E = 0;
RW = 1;
CS = 1;
}
//‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐
// Initialization For RA8835
//‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐
voidresetLCD()
{
RESET = 0;
delay(5);
RESET = 1;
delay(10);
}
voidinit_LCD()
{
comm_out(0x40);
[9]
Quality Information
Test Item
Content of Test
High Temperature storage
Endurance test applying the high
storage temperature for a long time.
Endurance test applying the low storage
temperature for a long time.
Endurance test applying the electric stress
(voltage & current) and the high thermal
stress for a long time.
Endurance test applying the electric stress
(voltage & current) and the low thermal
stress for a long time.
Endurance test applying the electric stress
(voltage & current) and the high thermal
with high humidity stress for a long time.
Endurance test applying the electric stress
(voltage & current) during a cycle of low
and high thermal stress.
Endurance test applying vibration to
simulate transportation and use.
Low Temperature storage
High Temperature
Operation
Low Temperature
Operation
High Temperature /
Humidity Operation
Thermal Shock resistance
Vibration test
Static electricity test
Test Condition
Endurance test applying electric static
discharge.
2
‐30⁰C , 200hrs
1,2
+70⁰C 200hrs
2
‐20⁰C , 200hrs
1,2
+60⁰C , 90% RH , 96hrs
1,2
‐20⁰C,30min ‐> 25⁰C,5min ‐
>70⁰C,30min = 1 cycle
10 cycles
10‐55Hz , 15mm amplitude.
60 sec in each of 3 directions
X,Y,Z
For 15 minutes
VS=800V, RS=1.5kΩ, CS=100pF
One time
Note 1: No condensation to be observed.
Note 2: Conducted after 4 hours of storage at 25⁰C, 0%RH.
Note 3: Test performed on product itself, not inside a container.
Precautions for using LCDs/LCMs
See Precautions at www.newhavendisplay.com/specs/precautions.pdf
Warranty Information and Terms & Conditions
http://www.newhavendisplay.com/index.php?main_page=terms
[10]
Note
+80⁰C , 200hrs
3
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