Document
LMT032DNAFWD-NBA-2
LCD Module User Manual
Prepared by: Li Yinyang
Date: 2016-05-11
Checked by: Date:
Approved by: Date:
Rev. Descriptions 0.1 Preliminary
URL: www.topwaydisplay.com www.topwaysz.com
Release Date 2016-05-11
Document Name: LMT032DNAFWD-NBA-2-Manual-Rev0.1.doc Page: 1 of 18
TOPWAY
LCD Module User Manual
LMT032DNAFWD-NBA-2
Table of Content
1. General Specification .............................................................................................................. 3
2. Block Diagram.......................................................................................................................... 3
3. Terminal Functions.................................................................................................................. 4 3.1 Interface ................................................................................................................................. 4 3.2 Touch Panel Terminal ............................................................................................................ 4
4. Absolute Maximum Ratings.................................................................................................... 5
5. Electrical Characteristics........................................................................................................ 5 5.1 DC Characteristics (MCU terminal) ........................................................................................ 5 5.2 Touch Panel Characteristics .................................................................................................. 5
6. AC Characteristics................................................................................................................... 6 6.1 AC Timing .............................................................................................................................. 6 6.2 Register Write/Read timing (for CPU 8 Bit) ............................................................................ 6 6.3 Backlight control Timing ......................................................................................................... 7
7. Commands ............................................................................................................................... 8
8. Optical Characteristics.......................................................................................................... 16
9. Precautions of using LCD Modules ..................................................................................... 18
URL: www.topwaydisplay.com www.topwaysz.com
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TOPWAY
LCD Module User Manual
LMT032DNAFWD-NBA-2
1. General Specification
Screen Size(Diagonal) :
3.2 inch
Resolution :
320(RGB) x 240
Signal Interface :
8-bit MCU Interface
Color Depth :
65k color(16bit)
Pixel Pitch :
0.2025 x 0.2025 (mm)
Pixel Configuration :
Horizontal RGB Stripe
Display Mode :
Transmissive / normal white
Surface Treatment :
Anti-Glare Type
Viewing Direction :
3H(*1)(gray scale inverse)
9H(*2)
Outline Dimension :
90.0 x 58.0 x 5.9 (mm)
(see attached drawing for details)
Active Area :
64.8 x 48.6 (mm)
Backlight :
6 LEDs
Operating Temperature : -20 ~ +70°C
Storage Temperature :
-30 ~ +80°C
Note:
*1. For saturated color display content (eg. pure-red, pure-green, pure-blue, or pure-colors-combinations)
*2. For “color scales” display content.
*3. Color tone may slightly change by Temperature and Driving Condition.
2. Block Diagram
XR, XL, YU, YD BLEN
Touch Panel Backlight Circuit
240(x3) x 320 pixels TFT Panel
D0~D7 VDD, VSS FMARK, /RES, /RD, /WR, D/C, /CS
ILI9341 or equivalent
URL: www.topwaydisplay.com www.topwaysz.com
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TOPWAY
LCD Module User Manual
LMT032DNAFWD-NBA-2
3. Terminal Functions
3.1 Interface
Pin Pin No. Name 1 VSS 2 VSS
3 BLEN
4 VDD 5 VDD
6 /RD
7 /WR
I/O P I P I I
8 D/C
I
9 /CS
10 D0 :: 17 D7
18 /RES
19 FMARK 20 NC
I
I : I
I
O -
Descriptions
Power Ground (0V)
BLEN=L, backlight Off BLEN=H, backlight On
Positive Power Supply
/WR=H, /RD=L; Data or Status read form the LCD module /WR=LH, RD=H; Data or Instruction latch into the LCD module Register Select D/C = H, Transferring the Display Data D/C = L, Transferring the Control Data Chip Select /CS=L, enable access to the LCD interface /CS=H, disable access to the LCD interface Data Input : Data Input Reset signal /RES = L, Initialization is executed /RES = H, Normal running. Displaying Timing Frame Signal -
3.2 Touch Panel Terminal
Pin No. 1 2 3 4
Pin Name YU XL YD XR
I/O Passive Passive Passive Passive
Descriptions y-axis upper side x-axis left side y-axis down side x-axis right side
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LCD Module User Manual
LMT032DNAFWD-NBA-2
4. Absolute Maximum Ratings
Items
Symbol Min.
Max. Uni.