參數(shù)資料
型號(hào)： LC73101C
文件頁數(shù)： 3/34頁
文件大?。?/td> 217K
代理商： LC73101C
No. 6853-3/34
LC73101C
Pin Functions
Power supply
Pin
I/O
Function
Number of pins
V
DD
V
SS
V
SS2
Power supply
Microcontroller power supply. The same power supply system must be used for V
CC
.
Connect to the system ground. These pins are 0 V pins.
Undetermined
Power supply
Undetermined
Power supply
LCD drive step-up voltage circuit reference voltage
Undetermined
V
RS
Power supply
LCD power supply voltage adjustment circuit external input V
REG
power supply.
When the internally generated V
REG
is used, this pin outputs that V
REG
voltage.
Multi-level power supply system used as the LCD power supply. The voltages stipulated for each LCD cell are
created by resistor divider circuits or by operational amplifier based impedance conversion. The potentials are
determined referenced to V
SS
, and must obey the following inequalities.
V
1
≥
V
2
≥
V
3
≥
V
4
≥
V
5
≥
V
SS
When the built-in power supply circuit that operates in master mode is turned on, the voltage determined by the
voltage adjustment circuit is applied to V
1
, and the voltages determined by LCD Bias Set commands are
applied to V
2
through V
5
.
Undetermined
V
1
, V
2
,
V
3
, V
4
,
V
5
Power supply
Undetermined
LCD Power Supply Circuit Pins
Pin
I/O
Function
Number of pins
CAP1+
O
Step-up circuit capacitor positive connection
Insert a capacitor between this pin and the CAP1– pin.
Undetermined
CAP1–
O
Step-up circuit capacitor negative connection
Insert a capacitor between this pin and the CAP1+ pin.
Undetermined
CAP2+
O
Step-up circuit capacitor positive connection
Insert a capacitor between this pin and the CAP2– pin.
Undetermined
CAP2–
O
Step-up circuit capacitor negative connection
Insert a capacitor between this pin and the CAP2+ pin.
Undetermined
CAP3+
O
Step-up circuit capacitor positive connection
Insert a capacitor between this pin and the CAP3– pin.
Undetermined
CAP3–
O
Step-up circuit capacitor negative connection
Insert a capacitor between this pin and the CAP3+ pin.
Undetermined
CAP4+
O
Step-up circuit capacitor positive connection
Insert a capacitor between this pin and the CAP4– pin.
Undetermined
CAP4–
O
Step-up circuit capacitor negative connection
Insert a capacitor between this pin and the CAP4+ pin.
Undetermined
CAP5+
O
Step-up circuit capacitor positive connection
Insert a capacitor between this pin and the CAP5– pin.
Undetermined
CAP5–
O
Step-up circuit capacitor negative connection
Insert a capacitor between this pin and the CAP5+ pin.
Undetermined
V
OUT
O
Post-step-up circuit voltage output. Insert a capacitor between this pin and V
SS
.
Voltage adjustment. Apply a voltage in the range V
1
to V
SS
by using a resistor divider circuit.
Use of this pin is only valid when the built-in V
1
voltage adjustment resistor is not used (IRS = low).
Do not use this pin if the built-in V
1
voltage adjustment resistor is used (IRS = high).
Undetermined
V
R
I
Undetermined
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