參數(shù)資料
型號(hào)： LC75838E
廠商： Sanyo Electric Co.,Ltd.
英文描述： 1/3 Duty LCD Display Drivers with Key Input Function
中文描述： 1 / 3職務(wù)液晶顯示驅(qū)動(dòng)器與關(guān)鍵輸入功能
文件頁(yè)數(shù)： 6/24頁(yè)
文件大?。?/td> 230K
代理商： LC75838E
No. 7135-6/24
LC75863E, 75863W
Pin
Pin No.
Function
Active
I/O
Handling
when unused
S1/P1
S2/P2
S3/P3
S4/P4
S5 to S23
1
2
3
4
—
G
G
OPEN
5 to 23
COM1
COM2
COM3
24
25
26
—
G
G
OPEN
KS1/S24
KS2/S25
KS3 to KS6
27
28
—
O
OPEN
29 to 32
KI1 to KI5
33 to 37
H
I
GND
OSC
44
—
I/O
V
DD
CE
46
H
I
CL
47
I
GND
DI
48
—
I
DO
45
—
O
OPEN
TEST
43
This pin must be connected to ground.
—
I
—
V
LCD
1
40
—
I
OPEN
V
LCD
2
41
—
I
OPEN
V
DD
38
—
—
—
V
LCD
39
—
—
—
V
SS
42
Power supply connection. Connect to ground.
—
—
—
Pin Functions
Segment outputs for displaying the display data transferred by serial data input.
The S1/P1 to S4/P4 pins can be used as general-purpose output ports under serial
data control.
Common driver outputs
The frame frequency fo is given by : fo = (f
OSC
/384)Hz.
Key scan outputs
Although normal key scan timing lines require diodes to be inserted in the timing lines
to prevent shorts, since these outputs are unbalanced CMOS transistor outputs, these
outputs will not be damaged by shorting when these outputs are used to form a key
matrix. The KS1/S24 and KS2/S25 pins can be used as segment outputs when so
specified by the control data.
Key scan inputs
These pins have built-in pull-down resistors.
Oscillator connection
An oscillator circuit is formed by connecting an external resistor and capacitor at this
pin.
Serial data interface connections to the controller. Note that DO, being an open-drain
output, requires a pull-up resistor.
CE :Chip enable
CL :Synchronization clock
DI :Transfer data
DO :Output data
L
Used for applying the LCD drive 2/3 bias voltage externally. Must be connected to
VLCD2 when a 1/2 bias drive scheme is used.
Used for applying the LCD drive 1/3 bias voltage externally. Must be connected to
VLCD1 when a 1/2 bias drive scheme is used.
Logic block power supply connection. Provide a voltage of between 4.5 and 6.0V.
LCD driver block power supply connection. Provide a voltage of between VDD–0.5 and
6.0V.
相關(guān)PDF資料
PDF描述
LC7583N LCD Driver with Level Meter
LC75842 General-Purpose 1/2 Duty LCD Display Driver
LC75844 1/4 Duty General-Purpose LCD Driver
LC7584 1/4 Duty General-Purpose LCD Driver
LC75842E General-Purpose 1/2 Duty LCD Display Driver
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LC75838W 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:1/8 to 1/10 Duty General-Purpose LCD Display Drivers
LC75838W-E 制造商:ON Semiconductor 功能描述:LCD DISPLAY DRIVER - Trays
LC75838WS-E 功能描述:LCD 驅(qū)動(dòng)器 RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube
LC75839PW 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:1/4 and 1/3-Duty General-Purpose LCD Display Driver
LC75839PW-H 功能描述:LCD 驅(qū)動(dòng)器 LCD DISPLAY DRIVER RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube
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