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LC75874E Datasheet(Arkusz danych) 5 Page - Sanyo Semicon Device

Numer części LC75874E
Szczegółowy opis  1/4-Duty General-Purpose LCD Display Driver
Pobierz  16 Pages
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Producent  SANYO [Sanyo Semicon Device]
Strona internetowa  http://www.ssdc-jp.com/eng/
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 5 page
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Pin Functions
No. 4465No. 5800-5/16
LC75874E, 75874W
Symbol
Pin No.
Function
Active
I/O
Handling
LC75874E
LC75874W
when unused
1 to 8
9 to 66
79, 80,
1 to 6
7 to 64
67
68
69
70
65
66
67
68
76
74
78
76
79
80
78
77
77
75
73
71
74
72
71
69
72
70
S1/P1 to S8/P8
S9 to S66
COM1
COM2
COM3
COM4
OSC
CE
CL
DI
INH
VLCD1
VLCD2
VDD
VLCD
Segments outputs for displaying the display data transferred by serial data
input. The S1/P1 to S8/P8 pins can be used as general-purpose output
ports under serial data control.
Common driver outputs. The frame frequency fo is fOSC/512 Hz.
Oscillator connection. An oscillator circuit can be formed by connecting an
external resistor and capacitor at this pin.
Serial data transfer inputs. Connected to the controller.
CE: Chip enable
CL: Synchronization clock
DI: Transfer data
Display off control input
INH = low (VSS) ......Display forced off
S1/P1 to S8/P8 = low (VSS)
(These pins are forcibly set to the segment output port
function and held at the VSS level.)
S9 to S66 = low (VSS)
COM1 to COM4 = low (VSS)
INH = high (VDD).....Display on
However, serial data transfer is possible when the display is forced off by
this pin.
Used to apply the LCD drive 2/3 bias voltage externally. Connect this pin to
VLCD2 when using a 1/2-bias drive scheme.
Used to apply the LCD drive 1/3 bias voltage externally. Connect this pin to
VLCD1 when using a 1/2-bias drive scheme.
Logic block power supply. In the range 2.7 to 6.0 V.
LCD driver block power supply. In the range 2.7 to 6.0 V.
H
L
O
O
I/O
I
I
I
I
I
I
Open
Open
VDD
GND
GND
Open
Open
75
73
VSS
Ground pin. Connect to ground.
Pin Assignments
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