NHD‐320240WX‐CoTFH‐V#I041
Graphic Liquid Crystal Display Module
NHD‐
320240‐
WX‐
Co‐
T‐
F‐
H‐
V#‐
I041‐
Newhaven Display
320 x 240 pixels
Display Type: Graphic
Model
White LED Backlight
FSTN (+)
Transflective, 6:00 view, Wide Temperature (‐20°C ~+70°C)
Built‐in Positive Voltage
IST Driver, with mounting holes
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
nhtech@newhavendisplay.com
nhsales@newhavendisplay.com
[1]
Document Revision History
Revision
0
1
2
3
•
•
•
•
Date
6/7/2007
4/23/2010
5/25/2010
6/3/2010
Description
Initial Release
User guide reformat
Contrast revised
Backlight Supply Current updated
Changed by
‐
MC
BE
MC
Functions and Features
320 x 240 pixels
Built‐in RA8835 Controller
+3.3V power supply
RoHS Compliant
[2]
Mechanical Drawing
94.7
93.8
81.4(VA)
76.78(AA)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
VSS
VDD
VO
A0
WR
RD
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
CS
RES
VEE+
SEL1
47.05
1
320*240 dots
71.7
70.3
61.0(VA)
57.58(AA)
83.3
3.75
1
21.0
P1.0*21
CON2
22
6.5
0.24
0.225
17.1
8.6MAX
5.6
14.3
CN-FPC-22P/P1.0
(Down-Side)
36.7
A
LED+
LED-
DISPOFF
BUSY
0.24
0.225
DOTS SIZE
DETAIL
Newhaven Display
NHD-320240WX-CoTFH-V#I041
The non-specified tolerance of dimension is
+
0.2mm .
Pin Description and Wiring Diagram
Pin No. Symbol
1
2
3
4
5
6
7‐14
15
16
17
18
19
20
21
22
VSS
VDD
V0
A0
WR
RD
DB0‐DB7
CS
RES
VEE+
SEL1
LED+
LED‐
DISPOFF
BUSY
External
Connection
Power Supply
Power Supply
Adj Power Supply
MPU
MPU
MPU
MPU
MPU
MPU
Power Supply
NC
Power Supply
Power Supply
Power Supply
Power Supply
Function Description
Ground
Power supply for logic (+3.3V)
Power supply for contrast (approx. +18.7V)
Register select signal. A0=0: Command, A0=1: Data
Read/Write select signal, R/W=1: Read R/W: =0: Write
Active LOW read
Bi‐directional three‐state data bus lines.
Active LOW chip select
Active LOW reset signal
Positive voltage output (+28V)
No Connect
Power Supply for LED Backlight (+3.5V)
Ground for Backlight
Active LOW display off signal.
Busy
Recommended LCD connector: 22 pin, 1.0mm pitch FFC Connector
Backlight connector: On LCD Connector Mates with: ‐‐‐
[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
V0
VIH
VIL
VOH
VOL
VLED
ILED
Condition
Absolute Max
Absolute Max
Ta=25°C, VDD=3.3V
Ta=25°C
‐
‐
‐
Min.
‐20
‐30
3.0
20.0
12.2
0.5VDD
0
2.4
‐
3.4
97.2
‐
Typ.
‐
‐
3.3
30.0
18.7
‐
‐
‐
‐
3.5
108
10,000
Max.
+70
+80
3.6
50.0
22.5
VDD
0.2VDD
‐
0.4
3.6
120
‐
Unit
⁰C
⁰C
V
mA
V
V
V
V
V
V
mA
Hrs
VLED=3.5V
ILED=108mA
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 ≥ 2
Cr ≥ 2
‐
‐
Min.
‐30
‐45
‐
‐
‐
Typ.
‐
‐
5
200
150
Max.
60
45
‐
300
200
Unit
⁰
⁰
‐
ms
ms
Controller Information
Built‐in RA8835. Download specification at http://www.newhavendisplay.com/app_notes/RA8835.pdf
[5]
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