參數(shù)資料
型號(hào)： LC75816E
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(diǎn)陣液晶顯示控制器/輸入功能的關(guān)鍵驅(qū)動(dòng)
文件頁(yè)數(shù)： 7/43頁(yè)
文件大?。?/td> 572K
代理商： LC75816E
No. 7142-7/43
LC75816E, 75816W
Pin Functions
Pin
Pin No.
Function
Active
I/O
Handling when unused
LC75816E
3 to 65
66
67
LC75816W
1 to 63
64
65
Segment driver outputs.
The S64/COM10, S65/COM9 pins can be used as common
driver output under the “set display technique” instruction.
OPEN
—
O
S1 to S63
S64/COM10
S65/COM9
Common driver outputs.
OPEN
—
O
COM1 to COM8
75 to 68
73 to 66
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 S63 = “L” (V
LCD
4).
S64/COM10, S65/COM9 = “L” (V
LCD
4).
COM1 to COM8 = “L” (V
LCD
4).
General-purpose output ports P1, P2 = 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 pins as key scan output pins or
general-purpose output ports can be set with the
"set key scan output port/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. The KS1/P1 and KS2/P2 pins can be
used as general-purpose output ports under the "set key scan
output port/general-purpose output port state" instruction.
OPEN
—
O
KS1/P1
KS2/P2
KS3 to KS6
76
77
78 to 81
74
75
76 to 79
Key scan inputs.
These pins have built-in pull-down resistors.
GND
H
I
KI1 to KI5
82 to 86
80 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
LC75817 1/8 to 1/10 Duty Dot Matrix LCD Display Controller/Driver with Key Input Function
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LC75816W 制造商:SANYO 制造商全稱(chēng):Sanyo Semicon Device 功能描述:1/8 to 1/10 Duty Dot Matrix LCD Display Controllers/Drivers with Key Input Function
LC75816W-8722-E 制造商:ON Semiconductor 功能描述:LCD DISPLAY DRIVER - Trays 制造商:ON Semiconductor 功能描述:FTRAY / LCD DISPLAY DRIVER
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LC75817E 制造商:SANYO 制造商全稱(chēng):Sanyo Semicon Device 功能描述:1/8 to 1/10 Duty Dot Matrix LCD Display Controller/Driver with Key Input Function
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