NHD‐240128BZ‐NSW‐BTW
Graphic Liquid Crystal Display Module
NHD‐
240128‐
BZ‐
N‐
SW‐
B‐
T‐
W‐
Newhaven Display
240 x 128 pixels
Model
Transmissive
Side White LED Backlight
STN ‐ Blue (‐)
12:00 view
Wide Temperature (‐20°C ~ +70°C)
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
3
4
5
6
•
•
•
•
•
Date
10/5/2007
6/4/2008
4/22/2010
9/20/2010
11/30/2010
6/13/2011
1/24/2012
Description
Initial Release
Update table of contents
User guide reformat
Pin description pin18/electrical characteristics updated
Update Mechanical Drawing / Block Diagram
Electrical characteristics/contrast updated
Pin description updated
Changed by
‐
CL
BE
BE
AK
BE
AK
Functions and Features
240 x 128 pixels
Built‐in RA8835 controller
+5.0V Power Supply
1/128 duty, 1/12 bias
RoHS Compliant
[2]
Mechanical Drawing
Pin Description
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
VSS
VDD
V0
A0
R/W
E
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
/CS
68/80
/RESET
VEE
LED+
LED -
20
1
-20 C ~ +70 C
-30
o
C ~ +80
o
C
o
o
Transmissive
NHD-240128BZ-NSW-BTW
Newhaven Display
Pin Description and Wiring Diagram
Pin No. Symbol
1
2
3
4
5
6
7‐10
11‐14
15
16
17
18
19
20
VSS
VDD
V0
A0
R/W
E
DB0‐DB3
DB4‐DB7
/CS
68/80
/RESET
VEE
LED+
LED‐
External
Connection
Power Supply
Power Supply
Adj. Power Supply
MPU
MPU
MPU
MPU
MPU
MPU
MPU
MPU
Power Supply
Power Supply
Power Supply
Function Description
Ground
Power supply for logic (+5.0V)
Power Supply for contrast (approx 19.2V)
Register Select signal. 0: data; 1: instruction
Read/Write select signal, R/W=1: Read R/W=0: Write
Operation enable signal. Falling edge triggered.
Four low order bi‐directional three‐state data bus lines.
These four are not used during 4‐bit operation.
Four high order bi‐directional three‐state data bus lines.
Active LOW Chip Select Signal
Interface Select Pin. 0: 8080 Family 1: 6800 Family
Active LOW reset signal
Positive voltage supply output (+20V)
Power supply for LED Backlight (+3.0V)
Ground for Backlight
Recommended LCD connector: 2.54mm pitch pins
Backlight 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
Symbol
Top
Tst
VDD
IDD
VDD‐V0
VIH
VIL
VOH
VOL
Vled
Iled
Condition
Absolute Max
Absolute Max
VDD=5.0V
Ta=25°
Min.
‐20
‐30
4.7
‐
‐
2.2
0
2.4
‐
‐
‐
Typ.
‐
‐
5.0
3.5
‐14.2
‐
‐
‐
‐
3.0
36
Max.
+70
+80
5.5
5.5
‐
VDD
0.6
‐
0.4
‐
‐
Unit
⁰C
⁰C
V
mA
V
V
V
V
V
V
mA
‐
Vled=3.0V
Optical Characteristics
Item
Viewing Angle ‐ Vertical
Viewing Angle ‐ Vertical
Viewing Angle – Horizontal
Viewing Angle ‐ Horizontal
Contrast Ratio
Response Time (rise)
Response Time (fall)
Symbol
AV
AV
AH
AH
Cr
Tr
Tf
Condition
Cr ≥ 2
Cr ≥ 2
Cr ≥ 2
Cr ≥ 2
‐
‐
Min.
‐
‐
‐
‐
‐
‐
‐
Typ.
60
35
40
40
6
150
150
Max.
‐
‐
‐
‐
‐
250
250
Unit
⁰
⁰
⁰
⁰
‐
ms
ms
Controller Information
Built‐in RA8835. Download specification at http://www.newhavendisplay.com/app_notes/RA8835.pdf
[5]
RF/无线
