Electronic Components Datasheet Search
  English  ▼

Delete All
ON OFF
ALLDATASHEET.COM

X  

Preview PDF Download HTML

ST7920 Datasheet(PDF) 8 Page - Sitronix Technology Co., Ltd.

Part No. ST7920
Description  Chinese Fonts built in LCD controller/driver
Download  49 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  SITRONIX [Sitronix Technology Co., Ltd.]
Direct Link  http://www.sitronix.com.tw
Logo SITRONIX - Sitronix Technology Co., Ltd.

ST7920 Datasheet(HTML) 8 Page - Sitronix Technology Co., Ltd.

Back Button ST7920 Datasheet HTML 4Page - Sitronix Technology Co., Ltd. ST7920 Datasheet HTML 5Page - Sitronix Technology Co., Ltd. ST7920 Datasheet HTML 6Page - Sitronix Technology Co., Ltd. ST7920 Datasheet HTML 7Page - Sitronix Technology Co., Ltd. ST7920 Datasheet HTML 8Page - Sitronix Technology Co., Ltd. ST7920 Datasheet HTML 9Page - Sitronix Technology Co., Ltd. ST7920 Datasheet HTML 10Page - Sitronix Technology Co., Ltd. ST7920 Datasheet HTML 11Page - Sitronix Technology Co., Ltd. ST7920 Datasheet HTML 12Page - Sitronix Technology Co., Ltd. Next Button
Zoom Inzoom in Zoom Outzoom out
 8 / 49 page
background image
ST7920
V4.0
8/49
2008/08/18
Pin Description (continued)
Name
No.
I/O
Connects to
Description
CAP3M
CAP1P
CAP1M
CAP2M
34
35
36
38
I/O
Capacitors
Capacitor pins for voltage doubler
Voltage ≦ 7V.
XOFF
32
O
Reserved (no connection).
CAP2P
37
Reserved (no connection).
C[33]
72
O
Reserved (no connection).
VD2
39
I
Reference voltage
Voltage doubler reference voltage.
If use internal voltage doubler, please
make sure that:
l
VD2 ≦ 3.5V or
l
VOUT ≦ 7V and CAP3M ≦ 7V.
CLK
TT1
TT2
4
5
6
I
For CGROM/HCGROM checksum.
Refer to checksum application.
Note:
1.
7V>=VOUT>=V0>=V1>=V2>=V3>=V4 must be maintained
2.
Two clock options: As shown below.
External Resistor vs. Current
(VDD=5V)
0
100
200
300
400
500
600
700
800
5
15
25
40
60
80
100
Resistor(K)
External Resistor vs. Frequency
(VDD=5V)
0
100
200
300
400
500
600
700
800
900
5
15
25
40
60
80
100
Resistor(K)
3.
When using voltage doubler (VOUT), it is recommended that the sum of those divide resistors (R1~R5) should be larger than 20K Ohm.
So that the voltage doubler can provide sufficient power.
R=33K (VDD=5.0V)
R=18K (VDD=2.7V)
R
OSC1
OSC2
OSC1
OSC2
Clock input


Html Pages

1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19  20  21  22  23  24  25  26  27  28  29  30  31  32  33  34  35  36  37  38  39  40  41  42  43  44  45  46  47  48  49 


Datasheet Download

Go To PDF Page


Link URL




Privacy Policy
ALLDATASHEET.COM
Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Datasheet Upload   |   Contact us   |   Privacy Policy   |   Link Exchange   |   Manufacturer List
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn