參數(shù)資料
型號(hào)： LC75808W
廠商： Sanyo Electric Co.,Ltd.
英文描述： 1/8 to 1/10 Duty LCD Display Drivers with Key Input Function
中文描述： 1月8日至1月10日當(dāng)值液晶顯示驅(qū)動(dòng)器與關(guān)鍵輸入功能
文件頁(yè)數(shù)： 7/39頁(yè)
文件大?。?/td> 981K
代理商： LC75808W
No. 6370 -7/39
LC75808E, 75808W
Pin
Pin No.
Function
Active
I/O
Handling
when unused
LC75808E
LC75808W
S1 to S60
3 to 62
1 to 60
Segment driver outputs.
—
G
G
OPEN
COM1 to COM10
72 to 63
70 to 61
Common driver outputs.
—
G
G
OPEN
KS1 to KS6
73 to 78
71 to 76
—
O
OPEN
KI1 to KI5
79 to 83
77 to 81
Key scan inputs.
These pins have built-in pull-down resistors.
H
I
GND
P1 to P4
84 to 87
82 to 85
General-purpose output ports.
—
G
G
OPEN
OSC
97
95
—
I/O
V
DD
CE
100
98
H
I
CL
1
99
I
GND
DI
2
100
—
I
DO
99
97
—
O
OPEN
INH
98
96
L
I
V
DD
TEST
96
94
This pin must be connected to ground.
—
I
—
V
LCD
0
90
88
—
0
OPEN
V
LCD
1
91
89
—
I
OPEN
V
LCD
2
92
90
—
I
OPEN
V
LCD
3
93
91
—
I
OPEN
V
LCD
4
94
92
—
I
GND
V
DD
88
86
—
—
—
V
LCD
89
87
—
—
—
V
SS
95
93
Power supply connection. Connect to ground.
—
—
—
Pin Functions
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.
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
Input that turns the display off, disables key scanning, and forces the
general-purpose output ports low.
When INH is low (V
SS
):
Display off
S1 to S60 = “L” (V
LCD
4).
COM1 to COM10 = “L” (V
LCD
4).
General-purpose output ports P1 to P4 = low (V
SS
)
Key scanning is disabled: KS1 to KS6 = low (V
SS
)
All the key data is reset to low.
When INH is high (V
DD
):
Display on
The states of the general-purpose output ports can be set by
the PC1 to PC4 control data.
Key scanning is enabled.
However, serial data can be transferred when the INH pin is low.
LCD drive 3/4 bias voltage (middle level) supply pin. This pin can be
used to supply the 3/4 (V
LCD
0 – V
LCD
4) voltage level externally.
LCD drive 2/4 bias voltage (middle level) supply pin. This pin can be
used to supply the 2/4 (V
LCD
0 – V
LCD
4) voltage level externally.
LCD drive 1/4 bias voltage (middle level) supply pin. This pin can be
used to supply the 1/4 (V
LCD
0 – V
LCD
4) voltage level externally.
LCD drive 0/4 bias voltage (low level) supply pin. Fine adjustment of the
display contrast can be implemented by connecting an external variable
resistor to this pin.
However, (V
LCD
0 – V
LCD
4) must be greater than or equal to 4.5 V, and
V
LCD
4 must be in the range 0 V to 1.5 V, inclusive.
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
7.0 and 11.0 V when the display contrast adjustment circuit is used and
provide a voltage of between 4.5 and 11.0 V when the circuit is not used.
LCD drive 4/4 bias voltage (high level) supply pin. The level on this pin
can be changed by the display contrast adjustment circuit.
However, (V
LCD
0 – V
LCD
4) must be greater than or equal to 4.5 V.
Also,external power must not be applied to this pin since the pin circuit
includes the display contrast adjustment circuit.
相關(guān)PDF資料
PDF描述
LC75808E 1/8 to 1/10 Duty LCD Display Drivers with Key Input Function
LC75811E 1/8 to 1/10 Duty Dot Matrix LCD Display Controller/Driver
LC75814V 1/4 Duty General-Purpose LCD Driver
LC75816E 1/8 to 1/10 Duty Dot Matrix LCD Display Controllers/Drivers with Key Input Function
LC75817 1/8 to 1/10 Duty Dot Matrix LCD Display Controller/Driver with Key Input Function
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LC75808W-E 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
LC75808WS-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
LC75808W-SH-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
LC75809PT-H 制造商:ON Semiconductor 功能描述:LCD DISPLAY DRIVER - Trays
LC75809PTH-H 制造商:ON Semiconductor 功能描述:LCD DISPLAY DRIVER - Trays
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