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Topway LMT070DICFWD-NJN User Manual

Lcd module
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LMT070DICFWD-NJN
Prepared by:
Liutihou
Date: 2016-11-23
Rev.
Descriptions
0.1
Preliminary
0.2
Update 5.1 describe
URL:
www.topwaydisplay.com
LCD Module User Manual
Checked by:
Date:
Approved by:
Date:
Document Name: LMT070DICFWD-NJN-Manual-Rev0.2.DOC
Release Date
2016-06-27
2016-11-23
Page: 1 of 33

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Summary of Contents for Topway LMT070DICFWD-NJN

  • Page 1 LMT070DICFWD-NJN LCD Module User Manual Prepared by: Checked by: Approved by: Liutihou Date: 2016-11-23 Date: Date: Rev. Descriptions Release Date Preliminary 2016-06-27 Update 5.1 describe 2016-11-23 URL: www.topwaydisplay.com Document Name: LMT070DICFWD-NJN-Manual-Rev0.2.DOC Page: 1 of 33...

  • Page 2: Table Of Contents

    AC Characteristics ........................5 AC Timing ..........................5 TFT Controller Reset Timing ....................6 Panel Setting of Timing ......................7 Commands ..........................8 Optical Characteristics ......................31 Precautions of using LCD Modules ..................33 URL: www.topwaydisplay.com Document Name: LMT070DICFWD-NJN-Manual-Rev0.2.DOC Page: 2 of 33...

  • Page 3: General Specification

    *3. For "color scales" display content 2. Block Diagram Backlight ON/OFF Backlight Circuit Backlight brightness 800 x 480 pixels TFT Panel PWM1(REG[8Ah],REG[8Bh]) PWM2(REG[8Ch]) RA8875 or equivalent DB0~DB15 VDD, VSS /RST, /RD, /WR, RS, /CS, /WAIT, /INT URL: www.topwaydisplay.com Document Name: LMT070DICFWD-NJN-Manual-Rev0.2.DOC Page: 3 of 33...

  • Page 4: Terminal Functions

    /RST /RST = L, Initialization is executed /RST = H, Normal running. Data Input Data Input VSS(0V) Power Ground VDD(5.0V) Positive Power Supply VSS(0V) Power Ground Data Input DB15 Data Input URL: www.topwaydisplay.com Document Name: LMT070DICFWD-NJN-Manual-Rev0.2.DOC Page: 4 of 33...

  • Page 5: Absolute Maximum Ratings

    Data setup time tc = 1/SYS_CLK Data hold time Data output access time ACC8 Data output hold time Note:1. Refer to the RA8875 datasheet for more details. SYS_CLK (System clock) = 30MHz URL: www.topwaydisplay.com Document Name: LMT070DICFWD-NJN-Manual-Rev0.2.DOC Page: 5 of 33...

  • Page 6: Tft Controller Reset Timing

    Register Write/Read timing (for CPU 16 Bit) TFT Controller Reset Timing VSS=0V, VDD=5.0V, T =25° C Item Symbol MIN. TYP. MAX. Unit Reset setup time Reset pulse trst Reset hold time URL: www.topwaydisplay.com Document Name: LMT070DICFWD-NJN-Manual-Rev0.2.DOC Page: 6 of 33...

  • Page 7: Panel Setting Of Timing

    1143 CLKIN HSD pulse width thpw CLKIN HSD Blanking CLKIN HSD Front Porch thfp CLKIN Vertical Display Area VSD period time VSD pulse width tvpw VSD Blanking(tvb) VSD Front Porch(tvfp) tvfp URL: www.topwaydisplay.com Document Name: LMT070DICFWD-NJN-Manual-Rev0.2.DOC Page: 7 of 33...

  • Page 8: Commands

    00b: PCLK period = System Clock period. 01b: PCLK period = 2 times of System Clock period. 10b: PCLK period = 4 times of System Clock period. 11b: PCLK period = 8 times of System Clock period. URL: www.topwaydisplay.com Document Name: LMT070DICFWD-NJN-Manual-Rev0.2.DOC Page: 8 of 33...
  • Page 9 Note:KEY_EN : REG[C0h] bit 7 REG[13h] GPO Description Default Access GPO[3:0] : General Purpose Output KEY_EN = 0: General Purpose Output to KOUT[3:0] KEY_EN = 1: NC Note: KxY_EN : REG[C0h] bit 7 URL: www.topwaydisplay.com Document Name: LMT070DICFWD-NJN-Manual-Rev0.2.DOC Page: 9 of 33...
  • Page 10 Default Access Vertical Display Height bit[8] Vertical Display Height(Line) = VDHR + 1 Note : The VDHR must be set less than 1E0h, because the maximum vertical display height is 480. URL: www.topwaydisplay.com Document Name: LMT070DICFWD-NJN-Manual-Rev0.2.DOC Page: 10 of 33...
  • Page 11 Horizontal Scan Direction, for n = SEG number. 0 : SEG0 to SEG(n-1). 1 : SEG(n-1) to SEG0. VDIR Vertical Scan direction, for n = COM number 0 : COM0 to COM(n-1). 1 : COM(n-1) to COM0. URL: www.topwaydisplay.com Document Name: LMT070DICFWD-NJN-Manual-Rev0.2.DOC Page: 11 of 33...
  • Page 12 8x16 character. Note that the MWCR1 bit 3-2 must be set as 01b(CGRAM) first. And more than 16 data write cycles will loop back to the 1 data and cover the bitmap. URL: www.topwaydisplay.com Document Name: LMT070DICFWD-NJN-Manual-Rev0.2.DOC Page: 12 of 33...
  • Page 13 The setting of the vertical cursor position for font writing. REG[2Dh] Font Write Cursor Vertical Position Register 1 (F_CURYH) Description Default Access Font Write Cursor Vertical Position[8] The setting of the vertical cursor position for font writing. URL: www.topwaydisplay.com Document Name: LMT070DICFWD-NJN-Manual-Rev0.2.DOC Page: 13 of 33...
  • Page 14 REG[31h] Horizontal Start Point 1 of active Window (HSAW1) Description Default Access Horizontal Start Point of Active Window [9:8] REG[32h] Vertical Start Point 0 of Active Window (VSAW0) Description Default Access Vertical Start Point of Active Window [7:0] URL: www.topwaydisplay.com Document Name: LMT070DICFWD-NJN-Manual-Rev0.2.DOC Page: 14 of 33...
  • Page 15 REG[3Eh] Vertical End Point 0 of Scroll Window (VESW0) Description Default Access Vertical End Point of Scroll Window [7:0] REG[3Fh] Vertical End Point 1 of Scroll Window (VESW1) Description Default Access Vertical End Point of Scroll Window [8] URL: www.topwaydisplay.com Document Name: LMT070DICFWD-NJN-Manual-Rev0.2.DOC Page: 15 of 33...
  • Page 16 REG[44h] Blink Time Control Register (BTCR) Description Default Access Text Blink Time Setting (Unit: Frame) 00h : 1 frame time. 01h : 2 frames time. 02h : 3 frames time. FFh : 256 frames time. URL: www.topwaydisplay.com Document Name: LMT070DICFWD-NJN-Manual-Rev0.2.DOC Page: 16 of 33...
  • Page 17 REG[4Eh] Font Write Cursor and Memory Write Cursor Horizontal Size Register (CURHS) Description Default Access Font Write Cursor Horizontal Size Setting[4:0] Unit : Pixel Note When font is enlarged, the cursor setting will multiply the same times as the font enlargement. URL: www.topwaydisplay.com Document Name: LMT070DICFWD-NJN-Manual-Rev0.2.DOC Page: 17 of 33...
  • Page 18 Description Default Access Foreground Color Blue[4:0] If REG[10h] Bit[3:2] is set to 256 colors, the register only uses Bit[1:0]. If REG[10h] Bit[3:2] is set to 65K colors, the register uses Bit[4:0]. URL: www.topwaydisplay.com Document Name: LMT070DICFWD-NJN-Manual-Rev0.2.DOC Page: 18 of 33...
  • Page 19 REG[72h] Touch Panel X High Byte Data Register (TPXH) Description Default Access Touch Panel X Data Bit[9:2] REG[73h] Touch Panel Y High Byte Data Register (TPYH) Description Default Access Touch Panel Y Data Bit[9:2] URL: www.topwaydisplay.com Document Name: LMT070DICFWD-NJN-Manual-Rev0.2.DOC Page: 19 of 33...
  • Page 20 Description Default Access PLLDIVM PLL Pre-driver parameter. 0 : divided by 1. 1 : divided by 2. PLLDIVN[4:0] PLL input parameter, the value should be 1~31. (i.e. value 0 is forbidden). URL: www.topwaydisplay.com Document Name: LMT070DICFWD-NJN-Manual-Rev0.2.DOC Page: 20 of 33...
  • Page 21 2 / 256 Duty with PWM1 clock source. 3 / 256 Duty with PWM1 clock source. FEh 255 / 256 Duty with PWM1 clock source. FFh 256 / 256 Duty with PWM1 clock source. URL: www.topwaydisplay.com Document Name: LMT070DICFWD-NJN-Manual-Rev0.2.DOC Page: 21 of 33...
  • Page 22 0 : Clear the full window. (Please refer to the setting of REG[14h], [19h], [1Ah]) 1 : Clear the active window(Please refer to the setting of REG[30h~37h]). The layer to be cleared is according to the setting REG[41h] Bit0. URL: www.topwaydisplay.com Document Name: LMT070DICFWD-NJN-Manual-Rev0.2.DOC Page: 22 of 33...
  • Page 23 REG[96h] Draw Line/Square Horizontal End Address Register1 (DLHER1) Description Default Access Draw Line/Square Horizontal End Address[9:8] REG[97h] Draw Line/Square Vertical End Address Register0 (DLVER0) Description Default Access Draw Line/Square Vertical End Address[7:0] URL: www.topwaydisplay.com Document Name: LMT070DICFWD-NJN-Manual-Rev0.2.DOC Page: 23 of 33...
  • Page 24 REG[A1h] Draw Ellipse/Circle Square Long axis Setting Register (ELL_A0) Description Default Access Draw Ellipse/Circle Square Long axis[7:0] REG[A2h] Draw Ellipse/Circle Square Long axis Setting Register (ELL_A1) Description Default Access Draw Ellipse/Circle Square Long axis[9:8] URL: www.topwaydisplay.com Document Name: LMT070DICFWD-NJN-Manual-Rev0.2.DOC Page: 24 of 33...
  • Page 25 DMA Source START ADDRESS [7:0] REG[B1h] Source Starting Address REG 1 (SSAR1) Description Default Access DMA Source START ADDRESS [15:8] REG[B2h] Source Starting Address REG 2 (SSAR2) Description Default Access DMA Source START ADDRESS [23:16] URL: www.topwaydisplay.com Document Name: LMT070DICFWD-NJN-Manual-Rev0.2.DOC Page: 25 of 33...
  • Page 26 DMA Continuous or Block Read/Write Select Bit 0: Continuous / 1: Block Write Function DMA Start Bit Set to 1 by MCU and reset to 0 automatically Read Function DMA Busy Check Bit 0:Idle / 1:Busy URL: www.topwaydisplay.com Document Name: LMT070DICFWD-NJN-Manual-Rev0.2.DOC Page: 26 of 33...
  • Page 27 7-9 for detail description. REG [C3h] Key-Scan Data Register (KSDR1) Description Default Access Key Strobe Data1 The corresponding key code 1 that is pressed. Please refer to section 7-9 for detail description. URL: www.topwaydisplay.com Document Name: LMT070DICFWD-NJN-Manual-Rev0.2.DOC Page: 27 of 33...
  • Page 28 REG [D8h] Floating Windows Display X Address 0 (FWDXA0) Description Default Access Floating Windows Display X Address [7:0] REG [D9h] Floating Windows Display X Address 1 (FWDXA1) Description Default Access Floating Windows Display X Address [9:8] URL: www.topwaydisplay.com Document Name: LMT070DICFWD-NJN-Manual-Rev0.2.DOC Page: 28 of 33...
  • Page 29 1. MCU-relative BTE operations include “Write BTE with ROP”, “Read BTE”, “Transparent Write BTE”, “Color Expand”, “Color Expand with Transparency”. 2. Font Write Interrupt indicates the completion of the font character writing to the DDRAM. URL: www.topwaydisplay.com Document Name: LMT070DICFWD-NJN-Manual-Rev0.2.DOC Page: 29 of 33...
  • Page 30 1 : Clear font write interrupt. Read Function Font Write Interrupt Status 0: No font write interrupt happens. 1: Font write interrupt happens. Note: Please refer to RA8875 data sheet for details URL: www.topwaydisplay.com Document Name: LMT070DICFWD-NJN-Manual-Rev0.2.DOC Page: 30 of 33...

  • Page 31: Optical Characteristics

    Note 5 Luminance uniformity Note 1,7 Test Conditions: 1. IF= 40 mA, VF=23.1V, and the ambient temperature is 25. ℃ 2. The test systems refer to Note 1 and Note 2. URL: www.topwaydisplay.com Document Name: LMT070DICFWD-NJN-Manual-Rev0.2.DOC Page: 31 of 33...
  • Page 32 Bp (Max.) = Maximum brightness in 9 measured spots Area of RGB triangle Bp (Min.) = Minimum brightness in 9 measured spots X100% Area of NTSC triangle Note 7: Measured the luminance of white state at center point URL: www.topwaydisplay.com Document Name: LMT070DICFWD-NJN-Manual-Rev0.2.DOC Page: 32 of 33...

  • Page 33: Precautions Of Using Lcd Modules

    TOPWAY LCD Module User Manual LMT070DICFWD-NJN 9. Precautions of using LCD Modules Please refer to "LCD-Module-Design-Handling-Precaution.pdf". URL: www.topwaydisplay.com Document Name: LMT070DICFWD-NJN-Manual-Rev0.2.DOC Page: 33 of 33...

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