NJU6535 데이터 시트보기 (PDF) - Japan Radio Corporation
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NJU6535 Datasheet PDF : 30 Pages
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NJU6535
TERMINAL DESCRIPTION 1
No.
SYMBOL
I/O
1
SEG1/P0
O
2
SEG2/P1
3
SEG3/P2
4
SEG4/P3
5 to 39 SEG5 to
O
SEG39
40
COM1
O
41
COM2
42
COM3
43
SEG40/COM4
O
44
SEG41/S0
O
45
SEG42/S1
46
S2 to S6
O
47
48
49
50 to 54
K0 to K4
I
55
VDD
-
56
V0
I
57
V1
58
V2
59
VSS
-
60
OSC
I/O
61
SO
O
62
CE
I
63
SCL
I
64
SI
I
FUNCTION
LCD Segment output terminal / General output terminal.
Select Segment output terminal or General output terminal by the instruction.
LCD Segment output terminal
LCD Common output terminal
LCD Segment output terminal / LCD Common output terminal
SEG40 in 1/3Duty use, COM4 in 1/4Duty use.
LCD Segment output terminals / key scanning output terminals
Select Segment output terminal or key scanning output terminal by the
instruction. (No need for anti-reverse current diode in key scan)
Key scanning output terminals.
(No need for anti-reverse current diode in key scan)
Key scanning input terminals.
(with internal pull-down resistor)
Power source: VDD=5V with LCD driving voltage input.
LCD driving voltage stabilization capacitor terminals.
In use of 1/2 bias, connects V1 to V2.
GND: VSS=0V
System clock input terminal
This terminal should be open for internal clock operation.
Change Oscillation frequency by connecting capacitor and resistor. Inputs
external oscillation clock.
Data output terminal.
Chip enable terminal.
Shift clock input terminal.
Data input terminal.
-3-
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