PEDL9050-02
ML9050/9051
¡ Semiconductor
Number
Function Pin name
I/O
Description
of pins
Power
supply
circuit
VC2+
2
O
These are the pins for connecting the positive side of the capacitors for
voltage multiplication.
Connect capacitors between VS2– and these pins.
These are the pins for connecting the negative side of the capacitors for
voltage multiplication.
VS2–
2
O
Connect capacitors between these pins and VC2+, VC4+, and VC6+
(during 7-times voltage multiplication).
VC3+
VC4+
VC5+
VC6+
2
2
2
2
O
O
O
O
These are the pins for connecting the positive side of the capacitors for
voltage multiplication.
Connect capacitors between VS1– and these pins.
These are the pins for connecting the positive side of the capacitors for
voltage multiplication.
Connect capacitors between VS2– and these pins.
These are the pins for connecting the positive side of the capacitors for
voltage multiplication.
Connect capacitors between VS1– and these pins.
These are the pins for connecting the positive side of the capacitors for
voltage multiplication.
Connect capacitors between VS2– and these pins (during 7-times voltage
multiplication).
For 6-times voltage multiplication, connect these pins to the VOUT pin.
These are the LCD segment drive outputs.
LCD
SEG0 to
SEG131
132
O
Drive
output
One of the levels among V1, V3, V4, and VSS is selected depending on the
combination of the display RAM content and the FR signal.
Output voltage
RAM Data
FR
Normal display Reverse display
H
H
L
V1
VSS
V3
V3
V4
H
L
H
V1
L
L
V4
VSS
Power save
—
VSS
7/71
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