NJU6539 Просмотр технического описания (PDF) - Japan Radio Corporation
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NJU6539 Datasheet PDF : 5 Pages
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APPLICATION CIRCUIT
NJU6539
VDD
*1
VSS
MPU
VLCD
*3
*2
*3
*3
*3
*3
VSS
VDD
VSS
RESb
CE
SC
SIO
VLCD1
VLCD2
V0
V1
V2
COM1
COM10
10com 65seg
matrix LCD panel
SEG1
NJU6539 SEG65
Po1
Po2
Po3
Po4/S1
General output ports
VSS
OSC
5 x5 key matrix *4
*1 The rising time of Power source voltage at Power on and the falling time at Power off must keep over than 1ms because of
Voltage detection type Reset circuit operation.
*2 SO terminal requires external pull-up resistor connecting to Power source of external MPU because of Open-drain type output.
*3 This capacitor for bias voltage stabilization should be connected in accordance with display quality in application.
*4 PO3 / S0 terminal is general output ports and Key scan signal output duplicated-function terminals. A function must be selected
either Segment output or other.
Ver.2004-03-01
[CAUTION]
The specifications on this databook are only
given for information , without any guarantee
as regards either mistakes or omissions. The
application circuits in this databook are
described only to show representative usages
of the product and not intended for the
guarantee or permission of any right including
the industrial rights.
-5-
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