Document
LMT070DICFWD-NJN
LCD Module User Manual
Prepared by: Liutihou
Date: 2016-11-23
Checked by: Date:
Approved by: Date:
Rev.
0.1 0.2
Descriptions
Preliminary Update 5.1 describe
URL: www.topwaydisplay.com www.topwaysz.com
Release Date 2016-06-27 2016-11-23
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TOPWAY
LCD Module User Manual
LMT070DICFWD-NJN
Table of Content
1. General Specification .............................................................................................................. 3
2. Block Diagram.......................................................................................................................... 3
3. Terminal Functions.................................................................................................................. 4 3.1 Interface ................................................................................................................................. 4
4. Absolute Maximum Ratings.................................................................................................... 5
5. Electrical Characteristics........................................................................................................ 5 5.1 DC Characteristics (MCU terminal) ........................................................................................ 5
6. AC Characteristics................................................................................................................... 5 6.1 AC Timing .............................................................................................................................. 5 6.2 TFT Controller Reset Timing.................................................................................................. 6 6.3 Panel Setting of Timing .......................................................................................................... 7
7. Commands ............................................................................................................................... 8
8. Optical Characteristics.......................................................................................................... 31
9. Precautions of using LCD Modules ..................................................................................... 33
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LCD Module User Manual
LMT070DICFWD-NJN
1. General Specification
Screen Size(Diagonal) : Outline Dimension :
Active Area : Color Depth: Number of dots : Pixel Pitch : Pixel Configuration : Backlight : Surface Treatment : Viewing Direction :
Operating Temperature : Storage Temperature :
7.0” 190.0 x 112.0x 12.1max (mm) (see attached drawing for details) 154.08 x 85.92 (mm) 65k 800 x 480 0.1296 x0.179 (mm) R.G.B. Vertical Stripe White LED Anti-Glare Treatment 6 o’clock ( Gray scale Inversion )(*2) 12 o’clock (*3) -20 ~ +70°C -30 ~ +80°C
Note:
*1 Color tune may slightly changed by temperature and driving voltage. *2. For saturated color display content (eg. pure-red, pure-green, pure-blue, or pure-colors-combinations) *3. For "color scales" display content
2. Block Diagram
Backlight ON/OFF Backlight brightness
Backlight Circuit
800 x 480 pixels TFT Panel
DB0~DB15 VDD, VSS /RST, /RD, /WR, RS, /CS, /WAIT, /INT
PWM1(REG[8Ah],REG[8Bh]) PWM2(REG[8Ch])
RA8875 or equivalent
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LCD Module User Manual
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3. Terminal Functions
3.1 Interface
Pin No.
1 2 3
Pin Name
VSS(0V) VDD(5.0V) VDD(5.0V)
I/O P P
4 RS I
5
/WR
I
6 /RD I
7 /CS I
8
VSS(0V)
P
9
/WAIT
O
10 /INT O
11
/RST
I
12 DB0 I
::
:
19 DB7 I
20
VSS(0V)
P
21 VDD(5.0V) P
22
VSS(0V)
P
23 DB8 I
::
:
30
DB15
I
Descriptions
Power Ground
Positive Power Supply
Register Select RS = H, status read/command write cycle is selected. RS = L, data Read/Write cycle is selected.
/WR=L H, RD=H; Data or Instruction latch into the LCD module /WR=H, /RD=L; Data or Status read form the LCD module Chip Select /CS=L, enable access to the LCD interface /CS=H, disable access to the LCD interface Power Ground Controller busy signal output, MCU should poll this signal before accessing the LCD module Interrupt signal output Reset signal /RST = L, Initialization is executed /RST = H, Normal running. Data Input : Data Input Power Ground Positive Power Supply Power Ground Data Input : Data Input
Note
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LCD Module User Manual
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4. Absolute Maximum Ratings
Items
Symbol
Min.
Max. Unit Condition
Supply Voltage
VDD -0.3
+7.0
V GND = 0V
Operating Temperature
TOP
-20
+70
℃ No Condensation
Storage Temperature
TST
-30
+80
℃ No Condensation.