1.功能和特点
ITEM |
SPECIFICATIONS |
UNIT |
Module Size |
93.0L×70.0W×13.0(max)H |
mm |
View Area |
72.0×40.0 |
mm |
Effective Area |
128×64 |
dots |
Dot Size |
0.48×0.48 |
mm |
Dot Pitch |
0.52×0.52 |
mm |
3.外部尺寸
4.框图
5.电源
6.PIN说明
ITEM |
SYMBOL |
LEVEL |
FUNCTION |
|||
1 |
VSS |
0V |
Power Ground |
|||
2 |
VDD |
5.0V |
Power Supply For Logic |
|||
3 |
V0/NC |
— |
Contrast Adjust |
|||
4 |
RS(CS) |
H/L
|
H:Data L Command
|
Chip selection signal H:enable the data transfer L:reset the serial data counter |
||
5 |
R/W(SID) |
|
H/L |
H:Read L |
Write |
Serial data input |
6 |
E(SCLK) |
H |
H->L |
Enable Signal |
Serial clock input |
|
7 ~ 14 |
DB0 ~ DB7 |
H/L |
Data Bus |
Keep open when choosing serial bus MPU interface |
||
15 |
PSB |
H/L |
H:parallel interface L:serial interface |
|||
16 |
NC |
— |
No connection |
|||
17 |
/RST |
L |
Reset signal |
|||
18 |
Vout/NC |
— |
Power output For LCD Driving |
|||
19 |
LEDK |
0V |
Power Supply For LED Backlight |
|||
20 |
LEDA |
5.0V |
7.最大绝对极限(T = 25°C)
Items |
Symbol |
Standard Value |
Unit |
Supply Voltage |
Vdd |
-0.3~7.0 |
V |
Input Voltage |
Vin |
Vss~Vdd |
V |
Operating Temperature |
Top |
-20~70 |
℃ |
Storage Temperature |
Tst |
-30~80 |
℃ |
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-1 |
— |
Vdd |
V |
RS,RW,E,DB0-DB7 |
Input Low Voltage |
Vil |
0 |
— |
0.6 |
V |
|
Output High Voltage |
Voh |
Vdd-1 |
— |
Vdd |
V |
Ioh=-0.1mA,DB0-DB7 |
Output Low Voltage |
Vol |
0 |
— |
0.5 |
V |
Iol=0.1mA,DB0-DB7 |
LCD Driving Voltage |
Vlcd 4.8
|
5.0 |
5.2 |
V |
Vdd-V0 |
8.2 a 交流特性(VDD = 5V,Ta = 25℃)并行模式接口
Items |
Symbol |
Test Condition |
Min |
TYP |
Max |
Unit |
Enable cycle time |
tPW |
Pin E |
1500 |
— |
— |
nS |
Enable pulse width |
tC |
Pin E |
175 |
— |
— |
nS |
Enable rise/fall time |
tR,tF |
Pin E |
— |
— |
250 |
nS |
Address set-up time |
tAS |
Pin: RS,R/W,E |
13 |
— |
— |
nS |
Address hold time |
tAH |
Pin: RS,R/W,E |
25 |
— |
— |
nS |
Data set-up time |
tDSW |
Pin: DB0-DB7 |
50 |
— |
— |
nS |
Data hold time |
t |
Pin: DB0-DB7 |
25 |
— |
— |
nS |
Data delay time (read) |
tDDR |
Pin: DB0-DB7 |
— |
— |
125 |
nS |
8.2 b 交流特性(VDD = 5V,Ta = 25℃)串行模式接口
Items |
Symbol |
Test Condition |
Min |
TYP |
Max |
Unit |
Serial clock cycle |
tSCYC |
Pin RS(SCLK) |
600 |
— |
— |
nS |
SCLK high pulse width |
tSHW |
Pin RS(SCLK) |
300 |
— |
— |
nS |
SCLK low pulse width |
tSLW |
Pin RS(SCLK) |
300 |
— |
— |
nS |
SCLK rise/fall time |
tR,tF |
Pin RS(SCLK) |
— |
— |
20 |
nS |
SID data set-up time |
tSDS |
Pin R/W(SID) |
40 |
|
|
nS |
SID data hold time |
tSDH |
Pin R/W(SID) |
40 |
|
|
nS |
CS set-up time |
tCSS |
Pin CS |
60 |
|
|
nS |
CS hold time |
tCSH |
Pin CS |
60 |
— |
— |
nS |
MPU read timing
MPU read timin
Items |
Symbol |
Min |
TYP |
Max |
Unit |
Reset pulse width |
trw |
2.0 |
— |
— |
uS |
Reset start time |
tres |
— |
— |
100 |
nS |
初始化状态如下:
Function |
Initialized Status |
Enter Mode Set |
I/D=1 cursor move to right S=0 DDRAM address counter |
Display status |
D=0 display=OFF C=0 cursor=OFF B=0 cursor position blink=OFF |
Function Set |
DL=1 8-bit interface RE=0 Basic Instruction Set |
Scroll Or RAM Address select |
SR=0 CGRAM address access is enable |
Reverse |
R1=1,R0=0 First line normal |
Extended Function Set |
G=0 Graphic display OFF |