LCD PIN Function (RGB 54 PIN)
|
PIN NO. |
PIN NAME |
DESCRIPTION |
|
1 |
LEDK |
LED backlight cathode |
|
2 |
LEDK |
LED backlight cathode |
|
3 |
LEDA |
LED backlight cathode |
|
4 |
LEDA |
LED backlight cathode |
|
5 |
YU |
RTP (No connection) |
|
6 |
XR |
RTP (No connection) |
|
7 |
NC |
No connection |
|
8 |
RESET |
Reset signal input terminal, active at ‘L’. |
|
9 |
CS |
Chip select signal input terminal, active at ‘L’. |
|
10 |
SCK |
Write signal input terminal, Active at ‘L’. Synchronizing clock signal in SPI mode. |
|
11 |
SDA |
SPI interface input pin |
|
12~19 |
B0~B7 |
Data bus |
|
20~27 |
G0~G7 |
Data bus |
|
28~35 |
R0~R7 |
Data bus |
|
36 |
HSYNC |
Line synchronizing signal for RGB interface operation. |
|
37 |
VSYNC |
Frame synchronizing signal for RGB interface operation. |
|
38 |
DCLK |
Dot clock signal for RGB interface operation. |
|
39 |
NC |
No connection |
|
40 |
NC |
No connection |
|
41 |
VCC |
System power supply. |
|
42 |
VCC |
System power supply. |
|
43 |
YD |
RTP (No connection) |
|
44 |
XL |
RTP (No connection) |
|
45 |
NC |
No connection |
|
46 |
NC |
No connection |
|
47 |
NC |
No connection |
|
48 |
IF2 |
Define the input interface (Note1) |
|
49 |
IF1 |
Define the input interface (Note1) |
|
50 |
IF0 |
Define the input interface (Note1) |
|
51 |
NC |
No connection |
|
52 |
DE |
Data ENEABLE signal for RGB interface operation. |
|
53 |
GND |
Power ground |
|
54 |
GND |
Power ground |
Absolute Maximum Ratings
|
Item |
Symbol |
Min. |
Max. |
Unit |
|
Analog Supply Voltage |
VCC |
-0.3 |
4 |
V |
|
Input Voltage |
Vin |
GND-0.3 |
5 |
V |
|
Operating Temperature |
TOP |
-20 |
70 |
°C |
|
Storage Temperature |
TST |
-30 |
80 |
°C |
|
Storage Humidity |
HD |
- |
90 |
%RH |
Electrical Characteristics
|
Item |
Symbol |
Min. |
Typ. |
Max. |
Unit |
|
Analog Supply Voltage |
VCC |
2.5 |
- |
3.6 |
V |
|
Input High Voltage |
VIH |
0.8 |
- |
- |
V |
|
Input Low Voltage |
VIL |
0 |
- |
0.2 |
V |
|
Output High Voltage |
VOH |
0.9 |
- |
- |
V |
|
Output Low Voltage |
VOL |
0 |
- |
0.1 |
V |
|
Logic Input Current |
IIL/IIH |
-1 |
- |
1 |
uA |
Backlight Characteristics
|
Item |
Symbol |
MIN. |
TYP. |
MAX. |
UNIT |
Test Condition |
|
Supply Voltage |
Vf |
18.6 |
19.2 |
21 |
V |
If=20mA |
|
Supply Current |
If |
15 |
20 |
25 |
mA |
- |
|
Luminous Intensity For LCM |
- |
300 |
350 |
- |
Cd/m2 |
If=20mA |
|
Power consumption |
- |
0.279 |
0.384 |
0.525 |
W |
If=20mA |
|
Uniformity for LCM |
- |
80 |
- |
- |
％ |
If=20mA |
|
Life time |
- |
30,000 |
50,000 |
- |
Hr |
- |
|
Backlight Color |
White |
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