NHD‐0224WH‐ATDI‐JT#
Character Liquid Crystal Display Module
NHD‐ 0224‐ WH‐ A‐ T‐ D‐ I‐ JT#‐ Newhaven Display 2 lines x 24 characters Display Type: Character Model White LED Backlight FSTN‐ Negative (double film) Transmissive, Wide Temp. 6:00 view English and Japanese standard font 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 7/24/2009 7/27/2009 11/2/2009 Description Initial Release User Guide Reformat Block Diagram Revision Changed by ‐ BE BE
Functions and Features
2 lines x 24 characters Built‐in controller (SPLC780D or equivalent) +5.0V power supply 1/16 duty, 1/5 bias
[2]
Mechanical Drawing
118.0 0.5 2.5 10.5 12.25 14.5 17.6 10.0 2.5 3.6 113.0 102.5 94.5(VA) 88.3(AA) 13.6 MAX 9.0
4- PTH 4- 5.0 PAD 3.7 3.2 17.78 7.84 (P2.54*7) 2.5 0.65 0.6
1.6 LED B/L
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Vss Vdd Vo RS R/W E DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 LED+ LED-
36.0 0.5
28.8 16.0(VA)
11.5(AA)
31.0
16- 1.0 PTH 16- 1.8 PAD 2.54 PIN DETAIL SCALE 1/1
5.95 5.55 0.7 0.65
DOT SIZE SCALE 5/1
Newhaven Display
NHD-0224WH-ATDI-JT#
Pin Description and Wiring Diagram
Pin No. Symbol 1 2 3 4 5 6 7‐10 11‐14 15 16
VSS VDD V0
RS R/W E DB0‐DB3 DB4 – DB7 LED+ LED‐
External Connection Power Supply Power Supply Adj Power Supply MPU MPU MPU MPU MPU Power Supply Power Supply
Function Description Ground Supply Voltage for logic (5.0V) Power supply for contrast (approx. 0.5V) Register select signal. RS=0: Command, RS=1: Data 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. Power supply for LED Backlight (+3.5V) Ground for Backlight
Recommended LCD connector: 2.54mm pitch, 16‐pin dual‐row 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 Backlight Lifetime Symbol Top Tst VDD IDD VDD‐V0 Vih Vil Voh Vol Vled Iled Condition Absolute Max Absolute Max VDD=5.0V Ta=25⁰C Min. ‐20 ‐30 4.5 1.0 3.8 0.7 Vss 3.9 ‐ 3.4 28.8 ‐ Typ. ‐ ‐ 5.0 1.2 4.5 ‐ ‐ ‐ ‐ 3.5 32 50,000 Max. +70 +80 5.5 1.5 5.5 VDD 0.6 ‐ 0.4 3.6 50 ‐ Unit ⁰C ⁰C V mA V V V V V V mA Hrs
‐ Vled=3.5V Iled=32
Optical Characteristics
Item Viewing Angle – Vertical (top) Viewing Angle – Vertical (bottom) Viewing Angle – Horizontal (left) Viewing Angle – Horizontal (right) 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. 25 70 30 30 2 120 120 Max. ‐ ‐ ‐ ‐ ‐ 150 150 Unit ⁰ ⁰ ⁰ ⁰ ‐ ms ms
Controller Information
Built‐in SPLC780D. Download specification at http://www.newhavendisplay.com/app_notes/SPLC780D.pdf [5]
Table of Commands
Display Character address code:
[6]
Read Mode diagram
[7]
Built‐in Font Table
[8]
Example Initialization Program
4-bit:
void command(char i) { P1 = i; D_I =0; R_W =0; Nybble(); i = i
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