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| 型号： | PT6553 |
| 厂商： | Princeton Technology Corporation |
| 英文描述： | LCD Driver IC with Key Input Function |
| 中文描述： | 液晶与关键输入功能驱动IC |
| 文件页数： | 4/7页 |
| 文件大小： | 139K |
| 代理商： | PT6553 |
LCD Driver IC with Key Input Function
PT6553
Princeton Technology Corp.
Tel : 886-2-29162151
Fax: 886-2-29174598
URL: http://www.princeton.com.tw
PT6553 v 1.0
4
Updated November 2000
APPLICATION CIRCUIT 2
1/2 Bias (For Normal Panel Use)
OSC
COM1
COM2
COM3
P1/SG1
P1/SG2
P3/SG3
P4/SG4
SG5
SG41/KO1
SG42/K02
KO3
KO4
KO5
KI1
KI2
KI3
KI4
KI5
CE
CLK
DI
DO
VDD1
VDD2
TEST
VSS
VDD
(See Note 1)
(See Note 2)
FROM
CONTROLLER
TO CONTROLLER
POWER SUPPLY
+5V
P1
P2
P3
P4
GENERAL PURPOSE
OUTPUT PORTS USED
WITH THE BACK-
LIGHT CONTROLLER
OR OTHER CIRCUITS
LCD
PANEL
(UP TO 126
SEGMENTS)
SG41
SG42
KEY MATRIX
(UP TO 30 KEYS)
C > 0.047uF
10 kOhms > R > 1kOhms
R
C
Notes : 1. Connect a capacitor to the power supply line so that the when the PT6553 is reset by the
VDET, the power supply VDD rise time when power is applied and the power supply voltage
VDD fall time when power drops are both at least 1 ms.
2. Since the DO Pin is an open drain output, it needs a pull-up resistor (1 to 10 k Ohms) which is
appropriate for the capacitance of the external wiring so that the waveforms are not degraded.
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相关代理商/技术参数 |
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|---|---|
| PT6553_10 | 制造商:PTC 制造商全称:Princeton Technology Corp 功能描述:LCD Driver IC with Key Input Function |
| PT6553-LQ | 制造商:PTC 制造商全称:Princeton Technology Corp 功能描述:LCD Driver IC with Key Input Function |
| PT6553-Q | 制造商:PTC 制造商全称:Princeton Technology Corp 功能描述:LCD Driver IC with Key Input Function |
| PT6554 | 制造商:PTC 制造商全称:Princeton Technology Corp 功能描述:LCD Driver IC |
| PT6554_10 | 制造商:PTC 制造商全称:Princeton Technology Corp 功能描述:LCD Driver IC |
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