參數(shù)資料
型號： LC75817NE
廠商： Sanyo Electric Co.,Ltd.
英文描述： 1/8 to 1/10 Duty Dot Matrix LCD Display Controllers/Drivers with Key Input Function
中文描述： 1月8日至1月10日當(dāng)值點陣液晶顯示控制器/輸入功能的關(guān)鍵驅(qū)動
文件頁數(shù)： 7/43頁
文件大?。?/td> 829K
代理商： LC75817NE
No. 6144-7/43
LC75817E, 75817W
Pin Functions
Pin
Pin No.
Function
Active
I/O
Handling when unused
LC75817E
LC75817W
Segment driver outputs.
The S60/COM10 pin can be used as common driver output
under the “set display technique” instruction.
OPEN
—
O
S1 to S59
S60/COM10
3 to 61
62
1 to 59
60
Common driver outputs.
OPEN
—
O
COM1 to COM9
71 to 63
69 to 61
Oscillator connections. An oscillator circuit is formed by
connecting an external resistor and capacitor at these pins.
GND
—
I
OSCI
97
95
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
GND
H
I
CE
100
98
I
CL
1
99
—
I
DI
2
100
OPEN
—
O
OSCO
96
94
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 S59 = “L” (V
LCD
4).
S60/COM10 = “L” (V
LCD
4).
COM1 to COM9 = “L” (V
LCD
4).
General-purpose output ports P1 to P4 = low (V
SS
)
Key scanning disabled: KS1 to KS6 = low (V
SS
)
All the key data is reset to low.
When INH is high (V
DD
):
Display on
The state of the general-purpose output ports can
be set by executing a "Set general-purpose output
port state" instruction.
Key scanning is enabled.
However, serial data can be transferred when the INH pin is
low.
V
DD
L
I
INH
98
96
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.
OPEN
—
I
V
LCD
1
90
88
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.
OPEN
—
I
V
LCD
2
91
89
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.
OPEN
—
I
V
LCD
3
92
90
Logic block power supply connection. Provide a voltage of
between 4.5 and 6.0 V.
—
—
—
V
DD
87
85
LCD driver block power supply connection. Provide a voltage of
between 7.0 and 10.0 V when the display contrast adjustment
circuit is used and provide a voltage of between 4.5 and 10.0 V
when the circuit is not used.
—
—
—
V
LCD
88
86
Power supply connection. Connect to ground.
—
—
—
V
SS
94
92
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.
Key scan inputs.
These pins have built-in pull-down resistors.
OPEN
—
O
KS1 to KS6
72 to 77
70 to 75
GND
H
I
KI1 to KI5
78 to 82
76 to 80
General-purpose output ports
OPEN
—
O
P1 to P4
83 to 86
81 to 84
DO
99
97
—
O
OPEN
This pin must be connected to ground.
—
—
I
TEST
95
93
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.
OPEN
—
O
V
LCD
0
89
87
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 VLCD4 must be in the range 0 V to 1.5 V, inclusive.
GND
—
I
V
LCD
4
93
91
相關(guān)PDF資料
PDF描述
LC75817NW 1/8 to 1/10 Duty Dot Matrix LCD Display Controllers/Drivers with Key Input Function
LC75821E LCD Display Drivers
LC75822E LCD Display Drivers
LC75823E 1/3 Duty General-Purpose LCD Drivers
LC75824 1/4 Duty General-Purpose LCD Display Driver
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LC75817NW 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:1/8 to 1/10 Duty Dot Matrix LCD Display Controllers/Drivers with Key Input Function
LC75817W 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:1/8 to 1/10 Duty Dot Matrix LCD Display Controller/Driver with Key Input Function
LC75818PT 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:1/8 to 1/10 Duty Dot Matrix LCD Display Controllers/Drivers with Key Input Function
LC7581E 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:1/8 to 1/10 Duty Dot Matrix LCD Display Controllers/Drivers
LC7581T 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:1/8 to 1/10 Duty Dot Matrix LCD Display Controllers/Drivers
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