S6A0078 데이터 시트보기 (PDF) - Samsung
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S6A0078 Datasheet PDF : 70 Pages
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S6A0078
120 SEG / 34 COM DRIVER & CONTROLLER FOR DOT MATRIX LCD
PAD DESCRIPTION
PAD (No)
VDD (60)
VSS1, VSS2
(66, 81)
V1-V5
(88-84)
Vci (78)
SEG1-SEG80
(106-183, 1-42)
COM0-COM33
(105-89, 43-59)
OSC1, OSC2
(61, 62)
C1, C2
(80, 79)
RESET (63)
IE (65)
V5OUT2 (82)
V5OUT3 (83)
IM (64)
Input/
Output
Table 2. Pad Description
Name
Description
for logical circuit (+3V, +5V)
Interface
-
0V (GND)
Power supply Bias voltage level for LCD driving.
Power supply
Input
Output
Output
Input
(OSC1),
Output
(OSC2)
Input
Input
Input
Output
Input
Input voltage to the voltage converter to
generate LCD drive voltage
(Vci = 2.5 - 4.5V).
Segment
output
Segment signal output for LCD drive.
LCD
Common
output
Common signal output for LCD drive.
LCD
Oscillator
When use internal oscillator, connect
external Rf resistor.
If external clock is used, connect it to
OSC1.
External
resistor/oscillator
(OSC1)
External
capacitance
input
To use the voltage converter (2 times/3
times), these pins must be connected to the
external capacitance.
External
capacitance
Reset pin
Initialized to low
-
When IE = "High", Instruction set is
Select pin of selected as Table 6.
instruction set When IE = "Low", Instruction set is selected
-
as Table 10.
Two times
converter
output
The value of Vci is converted two times.
To use three times converter, the same
capacitance as that of C1-C2 should be
connected here.
V5 capacitance
Three times
converter
The value of Vci is converted three times.
V5
output
Interface
Select Interface mode with the MPU.
mode
When IM = "Low": Serial mode,
-
selection
When IM = "High": 4-bit/8-bit bus mode.
8
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