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LM6029BCW
LCD Module User Manual
Prepared by:
Checked by:
Approved by:
Chen Rili
Date: 2017-11-06
Date:
Date:
Rev. Descriptions
Release Date
0.1
New release
2017-11-06
URL: www.topwaydisplay.com
Document Name: LM6029BCW-Manual-Rev0.1
Page: 1 of 13
TOPWAY
LCD Module User Manual
LM6029BCW
Table of Content
1. Basic Specifications ................................................................................................................ 3
1.1 Display Specifications ................................................................................................................................................... 3
1.2 Mechanical Specifications ............................................................................................................................................. 3
1.3 Block Diagram ............................................................................................................................................................... 3
1.4 Terminal Functions ........................................................................................................................................................ 4
2. Absolute Maximum Ratings .................................................................................................... 5
3. Electrical Characteristics ........................................................................................................ 5
3.1 DC Characteristics ........................................................................................................................................................ 5
3.2 LED Backlight Circuit Characteristics ............................................................................................................................ 5
3.3 AC Characteristics ........................................................................................................................................................ 6
4. Function specifications ........................................................................................................... 9
4.1 Application circuit(example) .......................................................................................................................................... 9
4.2 Basic Setting ................................................................................................................................................................. 9
4.3 Resetting the LCD module ............................................................................................................................................ 9
4.4 Display Memory Map .................................................................................................................................................. 10
4.5 Display Commands ..................................................................................................................................................... 11
4.6 Display Commands (continue) .................................................................................................................................... 12
5. Design and Handling Precaution .......................................................................................... 13
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Document Name: LM6029BCW-Manual-Rev0.1
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TOPWAY
LCD Module User Manual
LM6029BCW
1. Basic Specifications
1.1 Display Specifications
1) LCD Display Mode
: FSTN,Positive, Transflective
2) Display Color
: Display Data = “1” : Dark Gray (*1)
: Display Data = “0” : Light Gray (*2)
3) Viewing Angle
: 6H
4) Driving Method
: 1/65 duty, 1/9 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
*3. Fine Contrast adjustment function is necessary in application design for optimal display result
1.2 Mechanical Specifications
1) Outline Dimension
: 59.2 x 44.2 x 8.3MAX (exclude FPC terminal)
(See attached Outline Drawing for details)
1.3 Block Diagram
BLA
Backlight Circuit
BLK
LCD Panel
128 × 64Pixels
VDD
VSS
/WR,/RD,DB0~DB7,RS,/RES,/CS1,P/S
ST7565 or equivalent
V0~V4,VOUT
CAP1+,CAP1-,CAP2+,CAP2-,CAP3+
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Document Name: LM6029BCW-Manual-Rev0.1
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LCD Module User Manual
LM6029BCW
1.4 Terminal Functions
Descriptions
Pin No.
PIN Name
I/O
8080 mode
4-line SPI
1
NC
-
NO connection
This pin configures the interface to be parallel mode or serial mode.
2
P/S
Input
P/S = “H”: Parallel data input/output.
P/S = “L”: Serial data input.
3
V0
:
:
Power
LCD driving voltage supply terminals
7
V4
8
CAP2-
Output
9
CAP2+
Output
10
CAP1+
Output
Power booster circuit capacitance terminals
11
CAP1-
Output
12
CAP3+
Output
13
VOUT
Output
Power booster output for V0
14
VSS
Power
Negative power supply,0V
15
VDD
Power
Positive power supply
16
DB7(SI)
This is an 8-bit bi-directional
When the serial interface (SPI-4) is
17
DB6(SCL)
data bus that connects to an 8-
selected (P/S = “L”) :
:
:
bit standard MPU data bus.
DB7 : serial data input (SI) ; DB6 :
I/O
When the chip select is not
the serial clock input (SCL).
active, DB0 to DB7 are set to
DB0 to DB5 should be connected
23
DB0
high impedance.
to VDD or floating. When the chip
select is not active, DB0 to DB7 are
set to high impedance.
24
/RD
Input
Read enable input, active LOW
Connected to VDD
25
/WR
Input
Write enable input, active LOW
Connected to VDD
26
Register Select
RS
Input
RS = H, Transferring the Display Data
RS = L, Transferring the Control Data
27
Reset signal
/RES
Input
/RES = L, Initialization is executed
/RES = H, Normal running.
28
Chip Select
/CS1
Input
/CS1=L, enable access to the LCD module
/CS1=H, disable access to the LCD module
29
NC
-
NO connection
Backlight Functions
Pin No.
PIN Name
I/O
Descriptions
1
BLA
Power
Positive power for LED backlight
2
BLk
Power
Negetive power for LED backlight
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Document Name: LM6029BCW-Manual-Rev0.1
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LCD Module User Manual
LM6029BCW
2. Absolute Maximum Ratings
Items
Symbol
Min.
Max.
Unit Condition
Supply Voltage
V DD
-0.3
+3.4
V
V SS = 0V
Input Voltage
V IN
-0.3
V DD +0.3
V
V SS = 0V
Operating Temperature
T OP
-20
+70
 C
No Condensation
Storage Temperature
T ST
-30
+80
 C
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
3.1 DC Characteristics
V SS =0V, V DD =3.0V, T OP =25  C
Items
Symbol
MIN.
TYP.
MAX.
Unit Condition /
Application Pin
Operating Voltage
V DD
2.9
3.0
3.3
V
VDD
Input High Voltage
V IH
0.8xV DD
-
V DD
V
/RES, /CS1, RS,
Input Low Voltage
V IL
V SS
-
0.2xV DD
V
P/S,DB0~DB7,/WR,/RD
Operating Current
I DD
-
0.22
0.6
mA VDD
3.2 LED Backlight Circuit Characteristics
BLK=0V, BLA=3.3V, T OP =25  C
Items
Symbol
MIN.
TYP.
MAX.
Unit
Applicable Pin
Forward Voltage
BLA
-
3.3
-
V
BLA
Forward Current
I BLA
-
42
60
mA
BLA
Cautions:
Exceeding the recommended driving current could cause substantial damage to the backlight and shorten its lifetime.
BLA
BLK
No. of LED = 3pcs
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Document Name: LM6029BCW-Manual-Rev0.1
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LCD Module User Manual
LM6029BCW
3.3 AC Characteristics
3.3.1 8080 Mode System Bus Timing
RS
V SS =0V, V DD =3.0V, T OP =25  C
Item
Symbol
MIN.
TYP.
MAX.
Unit
System cycle time
tcyc8
312
-
-
ns
Address setup time (RS)
taw8
0
-
-
ns
Address hold time (RS)
tah8
0
-
-
ns
Control LOW pulse width (/WR)
tcclw
104
-
-
ns
Control LOW pulse width (/RD)
tcclr
182
-
-
ns
Control HIGH pulse width (/WR)
tcchw
104
-
-
ns
Control HIGH pulse width (/RD)
tcchr
104
-
-
ns
Data setup time
tds8
52
-
-
ns
Data hold time
tdh8
0
-
-
ns
/RD access time (*2)
tacc8
-
-
91
ns
Output disable time (*2)
tch8
3
-
35
ns
Note:
*1. Input signal rise/fall time should be less than 15ns .
*2. CL=100pF
*3.All timing is using 20% and 80% of VDD as the reference.
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LCD Module User Manual
LM6029BCW
3.3.2 4-line SPI Timing
RS
V SS =0V, V DD =3.0V, T OP =25  C
Item
Symbol
MIN.
TYP.
MAX.
Unit
CS setup time
tccss
26
-
-
ns
CS hold time
tcsh
52
-
-
ns
Clock Period
tscyc
64
-
-
ns
SCL “L” pulse width
tslw
32
-
-
ns
SCL “H” pulse width
tshw
32
-
-
ns
Data setup time
tsds
26
-
-
ns
Data hold time
tsdh
13
-
-
ns
Address setup time
tsas
26
-
-
ns
Address hold time
tsah
13
-
-
ns
Note:
*1 The input signal rise and fall time ( t r, t f) are specified at 15 ns or less.
*2 All timing is specified using 20% and 80% of V DD as the standard.
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Document Name: LM6029BCW-Manual-Rev0.1
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LCD Module User Manual
LM6029BCW
3.3.3 Reset Timing
V SS =0V, V DD =3.0V, T OP =25  C
Item
Symbol
MIN.
TYP.
MAX.
Unit
Reset time
tr
-
-
2.5
μs
Reset LOW pulse width
trw
2.5
-
-
μs
Note:
*1.All timing is using 20% and 80% of VDD as the reference.
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LCD Module User Manual
LM6029BCW
4. Function specifications
4.1 Application circuit(example)
- 3×boosting
- Serial mode
- Using internal ref resistor
- C1~C9=1.0uF(25V)
- R1=1M
4.2 Basic Setting
To drive the LCD module correctly and
provide normally display, please use the
following setting
- ADC = 0 (normal)
- SHL select = 1 (reverse)
- LCD Bias Select = 1/9
- Initial Display Line = 0
- Entire Display ON/OFF = OFF
(normal)
- Reverse Display ON/OFF = OFF (normal)
- Set Power Control Set:
voltage follower = ON, voltage converter = ON, voltage regulator = ON
- Display ON/OFF = ON
Note:
*1. These setting/commands should issue the LCD module while start up.
*2. See the Display Commands section for details.
4.3 Resetting the LCD module
The LCD module should be initialized by using /RES terminal.
While turning on the VDD and VSS power supply, maintain /RES terminal at LOW level. After the
power supply stabilized, release the reset terminal (/RES=HIGH)
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Document Name: LM6029BCW-Manual-Rev0.1
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LCD Module User Manual
LM6029BCW
4.4 Display Memory Map
Page address
data
LCD Display (front view)
D0
0
:
D7
D0
1
:
D7
D0
2
:
D7
D0
3
:
D7
D0
4
:
128x64 pixels
D7
D0
5
:
D7
D0
6
:
D7
D0
7
:
D7
Column Address
00h
7Fh
Note:
*1. ADC = 0 (normal)
*2. SHL Selection = 1 (reverse)
*3. Initial Display Line = 0
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Document Name: LM6029BCW-Manual-Rev0.1
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LCD Module User Manual
LM6029BCW
4.5 Display Commands
Code
No. Instructions
Function
DON=0, display off
1
Display ON/OFF
0 1 0 1 0 1 0 1 1 1
DON=1, display on
Display start
Sets the display RAM display start line
2
Display start line set
0 1 0 0 1
address
address
Page
3
Set Page Address
0 1 0 1 0 1 1
Address
Set the display RAM page address
Set Column Address
0 1 0 0 0 0 1
Col. Add.
Set the upper-4-bit of column address counter
(Upper-4-bits)
Upper
4
Set Column Address
0 1 0 0 0 0 0
Col. Add.
Set the lower-4-bit of column address counter
(Lower-4-bits)
Lower
Read the status data
5
Read Status
0 0 1
Status
0 0 0 0
6
Write Display Data
1 1 0
Write Data
Write data into the display RAM
7
Read Display Data
1 0 1
Read Data
Read data form the display RAM
Sets the display RAM address SEG output
8
ADC Select
0 1 0 1 0 1 0 0 0 0
correspondence
ADC= 0,normal . ADC=1, reverse
REV=0, Normal display
9
Normal/Reverse Display 0 1 0 1 0 1 0 0 1 1
REV=1, Reverse display
EON=0, Normal display
10
Entire Display ON/OFF
0 1 0 1 0 1 0 0 1 0
EON=1, Entire display ON
Set the LCD driving voltage bias
11
Set LCD Bias
0 1 0 1 0 1 0 0 0 1
BIAS=0, 1/9 BIAS
BIAS=1, 1/7 BIAS
Enter the “Read-Modify-Write” mode
column address counter will increase in each
12
Set Read-Modify-Write
0 1 0 1 1 1 0 0 0 0 0 “Write Display Data”,
and will not increase in each “Read Display
Data command”
13
Reset Read-Modify-Write 0 1 0 1 1 1 0 1 1 1 0 Clear the “Read-Modify-Write” mode
14
Reset
0 1 0 1 1 1 0 0 0 1 0 Resets the LCD module
Set the COM scanning direction
SHL=0, Normal display
15
SHL Select
0 1 0 1 1 0 0
* * *
SHL=1, Flipped in y direction
* = don’t care terms
Set the power circuit operation mode
VF: LCD Supply Voltage Follower
16
Power Control Set
0 1 0 0 0 1 0 1
VR: LCD Supply Voltage Regulator
VC: LCD Supply Voltage Converter
(1=ON, 0=OFF)
Radio
17
Regulator Resistor Select 0 1 0 0 0 1 0 0
setting
Set the built-in resistor ratio (Rb/Ra)
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LCD Module User Manual
LM6029BCW
4.6 Display Commands (continue)
Code
No. Instructions
Function
18
Electronic volume mode set 0 1 0 1 0 0 0 0 0 0 1 Set reference voltage mode
Electronic volume register
Electronic
Set reference voltage register
set
0 1 0 * *
Control value (Display contrast value)
19
0 1 0 1 0 1 0 1 1 0 S Sleep Mode (2 byte command)
Sleep Mode Set
0 1 0 0 0 0 0 0 0 0 0
S=0, sleep mode
S=1, normal mode
Booster Ratio Set
0 1 0 1 1 1 1 1 0 0 0 Booster Ratio (2 byte command)
Ratio=00, 2x, 3x, 4x
20
0 1 0 0 0 0 0 0 0
Rati
o
Ratio=01, 5x
Ratio=11, 6x
21
NOP
0 1 0 1 1 1 0 0 0 1 1 Non-operation command
Note:
*1. Do not use any other command not listed, or the system malfunction may result.
*2. For the details of the Display Commands, please refer to ST7565R data sheet.
4.6.1 Power off the LCD Module
It recommends that enter Sleep Mode before power off the LCD module.
4.6.2 Refreshing The LCD Module
It recommends that the operating modes and display contents be refreshed periodically to prevent
the effect of unexpected noise.
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LCD Module User Manual
LM6029BCW
5. Design and Handling Precaution
Please refer to "LCD-Module-Design-Handling-Precaution.pdf".
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