LMR4769EW-WCB DENSITRON, LMR4769EW-WCB Datasheet - Page 19

• Manufacturer Part Number: LMR4769EW-WCB
• Description: LCD MODULE, 240X320, BLUE
• Manufacturer: DENSITRON

Specifications of LMR4769EW-WCB

• Lcd Display Type: STN
• Pixel Size (h X W): 0.34mm X 0.34mm
• Display Mode: Transflective
• Interface Type: Serial
• Viewing Area (h X W): 92.14mm X 120.14mm
• Supply Voltage: 32V
• External Depth: 15.6mm
• External: RoHS Compliant
• Svhc: No SVHC (15-Dec-2010)
• Rohs Compliant: Yes
• Backlighting Colour: Blue
• Pixel Pitch (h X W): 0.36mm X 0.36mm

3: COMMANDS AND COMMAND REGISTERS
3 C
3.1
14
Operation
Purpose
Drawing
Memory
Display
control
control
control
control
Note 1: As a rule, each command is executed every time a parameter for the command is input to the
Note 1:
1. CSRW and CSRR commands: The parameter is executed one byte at a time. Therefore, the MPU
2. Commands other than CSRW and CSRR: The parameter is not executed until its second byte is
3. Two-byte parameters consist of two bytes of data (as in the case of APL and APH).
4. Because the value of each register after power-on is indeterminate, make sure all command
can only alter or check the low-order byte.
input.
parameters are set.
Types of Commands (when Indirectly Interfaced)
When indirect mode is selected for the system interface, use commands to set up the display.
The table below lists the types of commands, including the code of each command.
SYSTM SET
SLEEP IN
DISPON/OFF
SCROLL
CSRFORM
CSRDIR
OVLAY
CGRAM ADR
HDOT SCR
GRAY SCALE
CSRW
CSRR
MWRITE
MREAD
Command
OMMANDS AND
S1D13700, and completed before the next parameter (P) or command (C) is input. Therefore,
the MPU can stop sending parameters in the middle and send the next command. In this case,
the parameters that have already been sent are effective and other parameters not input to the
S1D13700 retain their original values. However, two-byte parameters are handled as
described below.
SYSTEM SET
SCROLL
CGRAM ADR
WR# RD# AB0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1 0 0 0 0 0 0
0 1 0 1 0 0 1 1
0 1 0 1 1 0 0 D
0 1 0 0 0 1 0 0
0 1 0 1 1 1 0 1
0 1 0 0 1 1 1 0
0 1 0 1 1 0 1 1
0 1 0 1 1 1 0 0
0 1 0 1 1 0 1 0
0 1 1 0 0 0 0 0
0 1 0 0 0 1 1 0
0 1 0 0 0 1 1 1
0 1 0 0 0 0 1 0
0 1 0 0 0 0 1 1
7 6 5 4 3 2 1 0
Code
DB BIN
C
EPSON
CD CD
OMMAND
HEX
4C –
58 •
DB
5D
5A
5B
5C
40
53
44
4F
60
46
47
42
43
59
Sleep operation.
Sets grayscale mode.
Sets initial operation
and window size.
Instructs to turn
display on or off and
make the screen flash
on and off.
Sets the display start
address and display
area.
Sets the cursor shape,
etc.
Sets the direction of
cursor movement.
Instructs screen
overlay mode.
Sets the start address
of CG RAM.
Sets the horizontal
direction dot unit and
scroll position.
Sets the cursor
address.
Instructs to read the
cursor address.
Instructs to write to
display memory.
Instructs to read
display memory data.
description
Command
R
EGISTERS
parameters
S1D13700 Technical Manual
No. of
following the
Parameters
command
10
—
—
0
0
8
1
2
0
1
2
1
2
2
pages
See
19
27
28
29
37
38
39
43
44
45
45
46
47
47
Remarks
Note 1
Note 1
Note 1
Note 1
Note 1