CDM-20210 ETC, CDM-20210 Datasheet - Page 11
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CDM-20210
Manufacturer Part Number
CDM-20210
Description
LCD component
Manufacturer
ETC
Datasheet
1.CDM-20210.pdf
(17 pages)
3. OPERATING PRINCIPALS AND METHODES
Display Clear
Return Home
Entry Mode Set
Display On/Off
Shift
Set Function
Set Cg Ram Address
Set Dd Ram
Address
Read Busy Flag &
Address
Write Data
Read Data
X : Don’t care
• Control and Display Command
Command
PACIFIC DISPLAY DEVICES
RS
L
L
L
L
L
L
L
L
L
H
H
R/W
H
H
L
L
L
L
L
L
L
L
L
DB
BF
L
H
L
L
L
L
L
L
7
DB
H
L
L
L
L
L
L
6
DB
H
L
L
L
L
L
5
both DD & CG RAM address
Address Counter used for
(corresponds to cursor address)
DB
DL
Write Data
H
Read Data
L
L
L
L
DD RAM address
04.11.2003
4
CG RAM address
DB
S/C
H
N
L
L
L
3
DB
R/L
H
D
L
L
F
2
DB
I/D
H
C
X
X
L
1
DB
SH
H
X
X
X
B
0
Exe Time
f=250khz
1.64ms
1.64ms
42µs
42µs
42µs
42µs
42µs
42µs
46µs
46µs
0µs
Cursor move to first digit
• I/D : Set cursor move direction
• SH : Specifies shift of display
• Display
• Cursor
• Blinking
CG RAM Data is sent and
received after this setting
DD RAM Data is sent and
received after this setting
− Reads BF indication internal
operating is being performed
− Reads addr counter contents
Write data into DD or CG RAM
Read data from DD or CG RAM
S/C
R/L
I/D
SH
DL
BF
D
C
B
N
F
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
Remark
Increase
Decrease
Display is shifted
Display is not
Display on
Display off
Cursor on
Cursor off
Blinking on
Blinking off
Display shift
Cursor move
Right shift
Left shift
8 bits interface
4 bits interface
2 line display
1 line display
5 X 10 dots
5 X 7 dots
Busy
Ready
shifted
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