1.功能和特点
2.机械规格
ITEM |
SPECIFICATIONS |
UNIT |
Module Size |
144.0L×104.0W×13.5 max)H |
mm |
View Area |
114.0×64.0 |
mm |
Effective Area |
240×128 |
dots |
Dot Size |
0.40×0.40 |
mm |
Dot Pitch |
0.45×0.45 |
mm |
3.外部尺寸
4.框图
5.电源
6.接口定义
ITEM |
SYMBOL |
LEVEL |
FUNCTION |
1 |
F.G |
0V |
Frame Ground |
2 |
VSS |
0V |
Power Ground |
3 |
VDD |
5.0V |
Power Supply For Logic |
4 |
V0 |
— |
Contrast Adjust |
5 |
/WR |
L |
Write Signal |
6 |
/RD |
L |
Read Signal |
7 |
/CE |
L |
Chip Select Signal |
8 |
C/D |
H/L |
H: |
9 |
/RST |
L |
Reset Signal |
10 |
DB0 |
|
|
~ |
~ |
H/L |
Data Bus |
17 |
DB7 |
|
|
18 |
FS |
H/L |
Font selection H: 6x8 L: 8x8 |
19 |
Vout |
— |
Negative Power output For LCD Driving |
20 |
LEDA |
5.0V |
Power Supply For LED Backlight |
21 |
LEDK |
0V |
7.最大绝对极限(T = 25°C)
Items |
Symbol |
Standard Value |
Unit |
Supply Voltage |
Vdd |
-0.3~6.0 |
V |
Input Voltage |
Vin |
Vss~Vdd |
V |
Operating Temperature |
Top |
-20~70 |
℃ |
Storage Temperature |
Tst |
-30~80 |
℃ |
注意:高于此电压可能会损坏模块。所有电压均相对于VSS = 0V指定。
Items |
Symbol |
Min |
TYP |
Max |
Unit |
Condition |
Operating Voltage |
Vdd |
4.8 |
5.0 |
5.2 |
V |
Vdd |
Supply Current |
Idd |
— |
8 |
15 |
mA |
except LED backlight |
Input High Voltage |
Vin |
Vdd -2.2 |
— |
Vdd |
V |
RS,RW,E,DB0-DB7 |
Input Low Voltage |
Vil |
0 |
— |
0.8 |
V |
|
Output High Voltage |
Voh |
Vdd -0.3 |
— |
Vdd |
V |
Ioh=-0.1mA,DB0-DB7 |
Output Low Voltage |
Vol |
— |
— |
0.3 |
V |
Iol=0.1mA,DB0-DB7 |
LCD Driving Voltage |
Vlcd |
16.7 |
17.0 |
17.3 |
V |
Vdd-V0 |
8.2AC特性(VDD = + 5V,VSS = 0V,TTa = -20〜75°)
Items |
Symbol |
Min |
Max |
Unit |
C/D set-up time |
tCDS |
100 |
— |
nS |
C/D hold time |
tCDH |
10 |
— |
nS |
/CE, /RD, /WR pulse width |
tCE, tRD, tWR |
80 |
— |
nS |
Data set-up time |
tDS |
80 |
— |
nS |
Data hold time |
tDH |
40 |
— |
nS |
Access time |
tACC |
— |
150 |
nS |
Output hold time |
tOH |
10 |
50 |
nS |
MPU write timing
9.2。重置LCD模块
LCD模块应使用/ RST端子初始化。 打开电源时,将/ RST端子保持在低电平。 电源稳定后,释放复位端子。(/ RST = H)
Items |
Symbol |
Min |
TYP |
Max |
Unit |
Reset time |
tr |
— |
— |
100 |
uS |
Reset low pulse width |
trw |
100 |
— |
— |
uS |
9.3 显示控制指令