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LM2029
LCD Module User Manual
Shenzhen TOPWAY Technology Co., Ltd.
Rev.
0.1 0.2 0.3
Descriptions
New release Typing Correction in 3.1 DC Characteristics Typing Correction in 1.4 Terminal Function
Release Date
2006-06-22 2006-09-28 2008-02-18
URL:
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Document Name: LM2029-Manual-Rev0.3 Page: 1 of 12
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Table of Content
1.
1.1 1.2 1.3 1.4
LCD Module User Manual
LM2029
Basic Specifications................................................................................................................ 3
Display Specifications............................................................................................................................ 3 Mechanical Specifications ..................................................................................................................... 3 Block Diagram ....................................................................................................................................... 3 Terminal Functions ................................................................................................................................ 4
2. 3.
3.1 3.2 3.3 3.4 4.1 4.2 4.3 4.4 4.5 4.6
Absolute Maximum Ratings.................................................................................................... 5 Electrical Characteristics........................................................................................................ 5
DC Characteristics................................................................................................................................. 5 LED Backlight Circuit Characteristics .................................................................................................... 5 AC Characteristics ................................................................................................................................. 6 Reset Timing.......................................................................................................................................... 8
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Specifications .......................................................................................................... 9
Adjusting the Display Contrast .............................................................................................................. 9 Resetting the LCD module- .................................................................................................................. 9 Jumper Functions .................................................................................................................................. 9 Display Pixel Map .................................................................................................................................. 9 Command Summary............................................................................................................................ 10 Initialization Setting Example............................................................................................................... 11
5.
Design and Handling Precaution ......................................................................................... 12
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Document Name: LM2029-Manual-Rev0.3 Page: 2 of 12
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1. Basic Specifications
1.1
LCD Module User Manual
LM2029
Power Supply Highlight - Logic Power Supply (VDD-VSS) : 3.0 ~ 5.0 V - LED Backlight Supply (BLA-BLK) : 300mA (3.55V TYP.)
Note: Please see the "3. Electrical Characteristics" for details.
Display Specifications 1) LCD Display Mode : STN, Negative, Transmissive 2) Display Color : Display Data = "1" : Light Gray (*1) : Display Data = "0" : Deep Blue (*2) 3) Viewing Angle :6H www..com Driving Method 4) : 1/240 duty, 1/17 bias 5) Backlight : White LED backlight
Note: *1. Color tone may slightly change by Temperature and Driving Condition. *2. The Color is defined as the inactive / background color
1.2
1.3
Mechanical Specifications 1) Outline Dimension : 166.0 x 109.0 x 11.2MAX see attached Outline Drawing for details Block Diagram
BLA BLK
1.4
Backlight Circuit
COMMON Driver COMMON Driver
COM1 : COM80
COM81 : COM160
320 x 240 pixels LCD Panel
COMMON Driver
VDD VSS VOUT V0
COM161 : COM240
SEG81 : SEG160
SEG161 : SEG240
Booster & Power Circuit
SEGMENT Driver
SEGMENT Driver
SEGMENT Driver
SEGMENT Driver
/WR,/RD,A0 DB0~DB7 /RES, /CS
SED1335 or equivalent
32k Byte Display RAM
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Document Name: LM2029-Manual-Rev0.3 Page: 3 of 12
SEG241 : SEG320
SEG1 : SEG80
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1.5 Terminal Functions Pin Pin I/O No. Name 1 VSS Power 2 VDD Power 3 V0 Input 4 /WR(R/W) Input 5 /RD(E) Input 6 /CS Input 7
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LCD Module User Manual
LM2029
Descriptions 0V Power Supply, GND Positive Power Supply LCD Contrast Reference Input Write enable input, active LOW Read enable input, active LOW Chip Select Signal
/CS=LOW: Data IO is enabled
A0 /RES DB0 : DB7 NC VOUT BLA BLK
Input Input I/O Power Power Power
Data Type Select
A0=H: command write, display data or cursor add read A0=L: status flag read, display data or parameter write
8
Reset Signal:
/RES = L, Reset the LCD Module /RES = H, Normal Running
9 : 16 17 18 19 20
8-bit bi-directional data bus No connection (leave open) Power Booster Output for V0 Positive Power Supply for LED backlight Negative Power Supply for LED backlight
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Document Name: LM2029-Manual-Rev0.3 Page: 4 of 12
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Items Supply Voltage Input Voltage Operating Temperature Storage Temperature Symbol VDD VIN TOP TST
LCD Module User Manual
LM2029
2. Absolute Maximum Ratings
Min. 0 VSS-0.3 0 -20 Max. +6.0 VDD+0.3 +50 +70 Unit V V C C Condition
VSS = 0V VSS = 0V No Condensation No Condensation
Cautions: Any Stresses exceeding the Absolute Maximum Ratings may cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability.
3. Electrical Characteristics
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3.1
DC Characteristics Symbol VDD VIN VIN V0 IDD Symbol VDD VIN VIN V0 IDD MIN. 4.5 0.6xVDD VSS MIN. 3.0 0.6xVDD VSS TYP. 5.0 -18.5 30.0 TYP. 3.3 -20.2 35.0 MAX. 5.5 VDD 0.15xVDD 90.0 MAX. 3.6 VDD 0.15xVDD 120.0 VSS=0V, VDD=5.0V, TOP=25C Unit Applicable Pin VDD V V V V mA
DB0~DB7, /WR, /RD, /CS, A0, /RES DB0~DB7, /WR, /RD, /CS, A0, /RES V0 VDD
Items Operating Voltage Input High Voltage Input Low Voltage LCD Contrast Reference Voltage Operating Current Items Operating Voltage Input High Voltage Input Low Voltage LCD Contrast Reference Voltage Operating Current
VSS=0V, VDD=3.3V, TOP=25C Unit Applicable Pin VDD V V V V mA
DB0~DB7, /WR, /RD, /CS, A0, /RES DB0~DB7, /WR, /RD, /CS, A0, /RES V0 VDD
3.2
LED Backlight Circuit Characteristics Symbol VfBLA IfBLA MIN. TYP. 3.55 300 MAX. 360 BLK=0V, IfBLA=300mA, TOP =25C Unit Applicable Pin BLA V BLA mA
Items Forward Voltage Forward Current
Cautions: Exceeding the recommended driving current could cause substantial damage to the backlight and shorten its lifetime.
BLA
BLK
No. of LED = 18pcs
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Document Name: LM2029-Manual-Rev0.3 Page: 5 of 12
TOPWAY
3.3 3.3.1 AC Characteristics 8080 Mode
LCD Module User Manual
LM2029
Item Address Hold Time Address Setup Time System Cycle Time Strobe Pulse Width Data Setup Time Data Hold Time Data Access Time www..com Output disable Time
Symbol tah8 taw8 tcyc8 tcc8 tds8 tdh8 tacc8 toh8
MIN. 13 5 (*2) 150 150 7 13
TYP. -
VSS=0V, VDD=5.0V, TOP=25C MAX. Unit ns ns ns ns ns ns 65 ns 65 ns
VSS=0V, VDD=3.3V, TOP=25C Item Symbol MIN. TYP. MAX. Unit Address Hold Time tah8 13 ns Address Setup Time taw8 5 ns System Cycle Time tcyc8 (*2) ns Strobe Pulse Width tcc8 190 ns Data Setup Time tds8 190 ns Data Hold Time tdh8 7 ns Data Access Time tacc8 100 ns Output disable Time toh8 13 70 ns Note: *1. Input signal rise/fall time should be less than 20ns *2. For memory control and system control commands: tcyc8=2tc+tcc8+tcea+75>tacv+245 For all other command: tcyc8=4tc+tcc8+30 *3. Please see the SED1335 data sheet for details
Bus Timing Diagram
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Document Name: LM2029-Manual-Rev0.3 Page: 6 of 12
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3.3.2 6800 Mode
LCD Module User Manual
LM2029
Item System Cycle Time Address Setup Time Address Hold Time Data Setup Time Data Hold Time Output disable Time Data Access Time Enable Pulse Width
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Symbol tcyc6 taw6 tah6 tds6 tdh6 toh6 tacc6 tew6
MIN. (*2) 5 5 125 5 13 150
TYP. -
VSS=0V, VDD=5.0V, TOP=25C MAX. Unit ns ns ns ns ns 65 ns 110 ns ns
VSS=0V, VDD=3.3V, TOP=25C Item Symbol MIN. TYP. MAX. Unit System Cycle Time tcyc6 (*2) ns Address Setup Time taw6 13 ns Address Hold Time tah6 5 ns Data Setup Time tds6 150 ns Data Hold Time tdh6 5 ns Output disable Time toh6 13 95 ns Data Access Time tacc6 165 ns Enable Pulse Width tew6 190 ns Note: *1. Input signal rise/fall time should be less than 20ns *2. For memory control and system control commands: tcyc8=2tc+tew6+tcea+75>tacv+245 *3. For all other command: tcyc8=4tc+tcc+30 *4. Please see the SED1335 data sheet for details
Bus Timing Diagram
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Document Name: LM2029-Manual-Rev0.3 Page: 7 of 12
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3.4 Reset Timing
LCD Module User Manual
LM2029
Item Reset Plus
Symbol tres
MIN. 1.0
VSS=0V, VDD=5.0V, TOP=25C TYP. MAX. Unit ms VSS=0V, VDD=3.3V, TOP=25C TYP. MAX. Unit ms
Item Reset Plus
Symbol tres
MIN. 1.0
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Reset Timing Diagram
URL:
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Document Name: LM2029-Manual-Rev0.3 Page: 8 of 12
TOPWAY
LCD Module User Manual
LM2029
4. Function Specifications
4.1 Adjusting the Display Contrast A Variable-Resistor must be connected to the LCD module for providing a reference to V0. Adjusting the VR will result the change of LCD display contrast. The recommended value of VR is 25k to 50k LCD module VDD
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V0 VOUT
4.2 Resetting the LCD module The LCD module should be initialized by hardware reset, using /RES terminal.
4.3 4.3.1
Jumper Functions Interfacing Setting Jumper JP3 JP4 close open open close Display Pixel Map
2,1 (D6) 2,2 (D6) 2,3 (D6) : : : 2,238 (D6) 2,239 (D6) 2,240 (D6) 3,1 (D5) 3,2 (D5) 3,3 (D5) : : : 3,238 (D5) 3,239 (D5) 3,240 (D5) 4,1 (D4) 4,2 (D4) 4,3 (D4) : : : 4,238 (D4) 4,239 (D4) 4,240 (D4) 5,1 (D3) 5,2 (D3) 5,3 (D3) : : : 5,238 (D3) 5,239 (D3) 5,240 (D3) ------------316,1 (D4) 316,2 (D4) 316,3 (D4) : : : 316,238 (D4) 316,239 (D4) 316,240 (D4) 317,1 (D3) 317,2 (D3) 317,3 (D3) : : : 317,238 (D3) 317,239 (D3) 317,240 (D3) 318,1 (D2) 318,2 (D2) 318,3 (D2) : : : 318,238 (D2) 318,239 (D2) 318,240 (D2) 319,1 (D1) 319,2 (D1) 319,3 (D1) : : : 319,238 (D1) 319,239 (D1) 319,240 (D1) 320,1 (D0) 320,2 (D0) 320,3 (D0) : : : 320,238 (D0) 320,239 (D0) 320,240 (D0)
Function Discription SEL1=L, 8080 mode selected SEL1=H, 6800 mode selected
4.4
1,1 (D7) 1,2 (D7) 1,3 (D7) : : : 1,238 (D7) 1,239 (D7) 1,240 (D7)
: : :
: : :
-------
-------
Pixel mapping (Top View)
Note: *1. *2. Based on the top view of the LCD module, the 1, 1 (x, y) pixel is the upper-left pixel; the 320, 240 (x, y) pixel is the lower-right pixel. For the details of memory mapping please refer to SED1335 datasheet.
URL:
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Document Name: LM2029-Manual-Rev0.3 Page: 9 of 12
TOPWAY
4.5 Command Summary
/WR /RD A0 D7 D6 D5
LCD Module User Manual
LM2029
ParaCommand meter SYSTEM SET P1
D4
D3
D2
D1
D0 0
M0
1 0
1 1
0 0
0 0
1 0
0
IV
0 1
0
W/S
0
M2
0
M1
HEX Descriptions 40 Init device and display (with 8 parameters) ** M0=0: internal CG ROM
M0=1: external CG ROM M1=0: no D6 correction M1=1: D6 correction M2=0: 8-pixel char height M2=1: 16-pixel char height W/S=0: single panel drive W/S=1: dual panel drive IV=0: Screen top-line correction IV=1: No screen top-line correction FX: define the horizontal char size WF=0: 16-line AC drive WF=1: two frame AC drive FY: Vertical Char Size C/R: display line address range TC/R: Line length selection L/F: Frame Height selection APL: Horizontal address range (low byte) APH: Horizontal address range (high byte) Enter standby mode Enable and disable display and display flashing (with 1 parameter) Each pair of bit in FP sets the attributes of one screen block Set display start address and display regions (with 8 or 10 parameters) SAD 1L SAD 1H SL1 SAD 2L SAD 2H SL2 SAD3L SAD3H SAD4L (for both two-screen drive and two layer config are select) SAD4H (for both two-screen drive and two layer config are select) Set cursor type (with 2 parameters) CRX CRY CM=0: underscore cursor; CM=1: block cursor Set Start address of char generator RAM (with 2 parameters) SAGL SAGH Set Direction of Cursor movement Set horizontal scroll position (with 1 parameters) Set display overlay format (with 1 parameters) Set cursor address (with 2 parameters) CSRL CSRH Read Cursor Address (with 2 parameters) CSRL CSRH Write to display memory (with n parameters) Display memory data
P2
0 0 0 0 0 0 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 1 0 1 0 1 0 0 1 1 1 1 0 : 0 1 1 : 1
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 1 1 : 1 1 0 : 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 : 0 0 1 : 1
WF
0 0
0 0
0 0
C/R
0
FY TC/R L/F APL APH
FX
** ** ** ** ** ** ** 53 58 / 59 ** 44 ** ** ** ** ** ** ** ** ** ** 5D ** ** 5C ** ** 4C~4F 5A ** 5B ** 46 ** ** 47 ** ** 42 ** ** ** 43 ** ** **
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SLEEP IN DISP ON/OFF SCROLL
CSRFORM
P3 P4 P5 P6 P7 P8 P1 P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 P1 P2 P1 P2 P1 P1 P1 P2 P1 P2 P1 : Pn P1 : Pn
0
0 0
FP5
1 1
FP4
0 0
FP3
1 1
FP2
0 1
FP1
0 0
FP0
1 0
FC1
1
D FC0
0
A7 A15 L7 A7 A15 L7 A7 A15 A7 A15
1
A6 A14 L6 A6 A14 L6 A6 A14 A6 A14
0
A5 A13 L5 A5 A13 L5 A5 A13 A5 A13
0
A4 A12 L4 A4 A12 L4 A4 A12 A4 A12
0
A3 A11 L3 A3 A11 L3 A3 A11 A3 A11
1
A2 A10 L2 A2 A10 L2 A2 A10 A2 A10
0
A1 A9 L1 A1 A9 L1 A1 A9 A1 A9
0
A0 A8 L0 A0 A8 L0 A0 A8 A0 A8
0 0
CM
1 0 0 1
A6 A14
0 0 0 0
A5 A13
1 0 0 1
A4 A12
1
X3 Y3
1
X2 Y2
0
X1 Y1
1
X0 Y0
CGRAM ADR CSRDIR HDOT SCR OVLAY CSRW
0
A7 A15
1
A3 A11
1
A2 A10
0
A1 A9 CD1
0
A0 A8 CD0
0 0 0 0 0 0
A7 A15
1 1 0 1 0 1
A6 A14
0 0 0 0 0 0
A5 A13
0 1 0 1
OV
1 1 0 1 0
A3 A11
1 0
D2
1
D1
0
D0
0 1
A2 A10
1 1
A1 A9
1
MX0
DM2 DM1 MX1
0
A4 A12
0
A0 A8
CSRR
0
A7 A15
1
A6 A14
0
A5 A13
0
A4 A12
0
A3 A11
1
A2 A10
1
A1 A9
1
A0 A8
MWRITE
0
1
0
0 :
0
0
1
0
Memory Data Memory Data
MREAD
0
1
0
0 :
0
0
1
1
Read from display memory (with n parameters) Display memory data
Memory Data Memory Data
Note: For details please refer to SED1335 datasheet.
URL:
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Document Name: LM2029-Manual-Rev0.3 Page: 10 of 12
TOPWAY
LCD Module User Manual
LM2029
4.6 Initialization Setting Example The following setting should be issue to LCD module after hardware reset. (It is an example only; it could be adjusted if necessary.)
/WR /RD Command Parameter SYSTEM SET P1 Value (binary) 0100 0000 0011 0000 A0 HEX 40 30 Descriptions Init device and display, (with 8 parameters)
M0=0: internal CG ROM M0=1: external CG ROM M1=0: no D6 correction M1=1: D6 correction M2=0: 8-pixel char height M2=1: 16-pixel char height W/S=0: single panel drive W/S=1: dual panel drive IV=0: Screen top-line correction IV=1: No screen top-line correction FX: define the horizontal char size WF=0: 16-line AC drive WF=1: two frame AC drive FY: Vertical Char Size C/R: display line address range TC/R: Line length selection L/F: Frame Height selection APL: Horizontal address range (low byte) APH: Horizontal address range (high byte) Enable Set cursor type (with 10 parameters) SAD 1L SAD 1H SL1 SAD 2L SAD 2H SL2 SAD3L SAD3H Set Direction of Cursor movement Set horizontal scroll position (with 1 parameters) Set display overlay format (with 1 parameters) Set cursor address (with 2 parameters) CSRL CSRH Write to display memory (with n parameters) Display memory data
1 0
1 1
0 0
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P2 P3 P4 P5 P6 P7 P8 P1 P1 P2 P3 P4 P5 P6 P7 P8 P1 P1 P1 P2 P1 : Pn 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 1 1 0 1 0 1 0 0 1 0 : 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 : 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 : 0 1000 0111 0000 0000 0010 1000 0100 0101 1110 1111 0010 1000 0000 0000 0101 1001 0000 0100 0100 0100 0000 0000 0000 0000 1110 1111 0000 0000 0000 0000 1110 1111 0000 0000 0000 0000 0100 1100 0101 1010 0000 0000 0101 1011 0000 1101 0100 0110 0000 0000 0000 0000 0100 0010
Memory Data
87 00 28 45 EF 28 00 59 04 44 00 00 EF 00 00 EF 00 00 4C 5A 00 5B 0D 46 00 00 42 ** ** **
DISP ON/OFF SCROLL
CSRDIR HDOT SCR OVLAY CSRW
MWRITE
:
Memory Data
Note: For details please refer to SED1335 datasheet.
URL:
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Document Name: LM2029-Manual-Rev0.3 Page: 11 of 12
TOPWAY
LCD Module User Manual
LM2029
5. Design and Handling Precaution
1. 2. 3. 4. 5. 6.
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7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18.
The LCD panel is made by glass. Any mechanical shock (eg. dropping form high place) will damage the LCD module. Do not add excessive force on the surface of the display, which may cause the Display color change abnormally. The polarizer on the LCD is easily get scratched. If possible, do not remove the LCD protective film until the last step of installation. Never attempt to disassemble or rework the LCD module. Only Clean the LCD with Isopropyl Alcohol or Ethyl Alcohol. Other solvents (eg. water) may damage the LCD. When mounting the LCD module, make sure that it is free form twisting, warping and distortion. Ensure to provide enough space (with cushion) between case and LCD panel to prevent external force adding on it, or it may cause damage to the LCD or degrade the display result. Only hold the LCD module by its side. Never hold LCD module by add force on the heat seal or TAB. Never add force to component of the LCD module. It may cause invisible damage or degrade of the reliability. LCD module could be easily damaged by static electricity. Be careful to maintain an optimum anti-static work environment to protect the LCD module. When peeling off the protective film from LCD, static charge may cause abnormal display pattern. It is normal and will resume to normal in a short while. Take care and prevent get hurt by the LCD panel sharp edge. Never operate the LCD module exceed the absolute maximum ratings. Keep the signal line as short as possible to prevent noisy signal applying to LCD module. Never apply signal to the LCD module without power supply. IC chip (eg. TAB or COG) is sensitive to the light. Strong lighting environment could possibly cause malfunction. Light sealing structure casing is recommend. LCD module reliability may be reduced by temperature shock. When storing the LCD module, avoid exposure to the direct sunlight, high humidity, high temperature or low temperature. They may damage or degrade the LCD module
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