PT6523 [PTC]
1/3 Duty General Purpose LCD Driver IC; 1/3占空比通用LCD驱动IC
| 型号： | PT6523 |
| 厂家： | 
PRINCETON TECHNOLOGY CORP |
| 描述： | 1/3 Duty General Purpose LCD Driver IC |
| 文件： | 总4页 (文件大小：40K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Tel : 886-2-29162151
Fax: 886-2-29174598
URL: http://www.princeton.com.tw
Princeton Technology Corp.
1/3 Duty General Purpose LCD Driver IC
PT6523
DESCRIPTION
PT6523 is an LCD Driver IC which can drive up to 156 segments. It can be used for frequency display in
microprocessor-controlled radio receiver and in other display applications. PT6523 supports both 1/2 bias, 1/3
duty and 1/3 duty, 1/3 bias. Pin assignments and application circuit are optimized for easy PCB layout and cost
saving advantages.
FEATURES
• Up to 156 Segments Outputs
• 1/3 Duty - 1/2 Bias and 1/3 Duty - 1/3 Bias Drive Techniques
• Power Saving Mode and all Segments OFF Function
• Direct Display of Display Data without using a Decoder
• RC Oscillation Circuit
• Power Supply Voltage: 4.5 to 6V
• LCD Drive Bias Voltage can be provided internally or externally
• Available in 64 pins, QFP or LQFP Package
APPLICATIONS
• Electronic Dictionary / Translator
• P.O.S.
• Caller ID
• Pager
• Mini Compo
• Electronic Equipment with LCD Display
PT6523 v1.1
Page 1
Updated July 2001
Tel : 886-2-29162151
Fax: 886-2-29174598
URL: http://www.princeton.com.tw
Princeton Technology Corp.
1/3 Duty General Purpose LCD Driver IC
PT6523
PIN CONFIGURATION
SG49
49
50
51
32
SG32
SG50
SG51
31
30
29
28
27
SG31
SG30
SG52
COM1
COM2
COM3
VDD
52
53
54
55
56
57
SG29
SG28
SG27
26
25
24
23
22
SG26
SG25
INH
SG24
SG23
VDD1
VDD2
58
59
60
61
SG22
VSS
OSC
CE
21
20
19
18
17
SG21
SG20
SG19
SG18
SG17
62
63
64
CLK
DI
PT6523 v1.1
Page 2
Updated July 2001
Tel : 886-2-29162151
Fax: 886-2-29174598
URL: http://www.princeton.com.tw
Princeton Technology Corp.
1/3 Duty General Purpose LCD Driver IC
PT6523
APPLICATION CIRCUIT 1
1/3Bias(ForSmallDisplayPanel)
47k
W
1000pF
OSC
VDD
VDD
INH
COM1
R1
COM2
COM3
LCD PANEL
20pF
0.1uF
VSS
(UP TO
156 SEGMENTS)
VDD1
SG1
OPEN
:
:
VDD2
:
:
:
CE
FROM THE
MICROCONTROLLER
SG52
CLK
DI
Note: 1. 39kW>R1>10kW
1/3 Bias (for Normal Size Display Panels)
47k
W
1000pF
OSC
VDD
VDD
INH
COM1
COM2
COM3
R1
0.1uF
LCD PANEL
20pF
VSS
(UP TO
156 SEGMENTS)
VDD1
SG1
:
:
:
C
VDD2
C
:
:
CE
FROM THE
MICROCONTROLLER
SG52
CLK
DI
Notes: 1. 39kW>R1>10kW
2. C>0.047uF
PT6523 v1.1
Page 3
Updated July 2001
Tel : 886-2-29162151
Fax: 886-2-29174598
URL: http://www.princeton.com.tw
Princeton Technology Corp.
1/3 Duty General Purpose LCD Driver IC
PT6523
APPLICATION CIRCUIT 3
1/3 Bias (For Large Panels)
47k
W
1000pF
OSC
VDD
VDD
INH
COM1
COM2
COM3
R
R1
LCD PANEL
0.1uF
20pF
VSS
(UP TO
156 SEGMENTS)
VDD1
SG1
R
R
:
:
:
C
VDD2
C
:
:
CE
FROM THE
MICROCONTROLLER
SG52
CLK
DI
Notes: 1. 39kW>R1>10kW
2. C>0.047uF
3. 10kW>R>1kW
PT6523 v1.1
Page 4
Updated July 2001
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