PCF8531U2D NXP [NXP Semiconductors], PCF8531U2D Datasheet - Page 40
PCF8531U2D
Manufacturer Part Number
PCF8531U2D
Description
34 x 128 pixel matrix driver Single-chip LCD controller and driver
Manufacturer
NXP [NXP Semiconductors]
Datasheet
1.PCF8531U2D.pdf
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NXP Semiconductors
PCF8531
Product data sheet
15.3 Power supply connections for external V
15.4 Information about V
V
the bias level buffers.
V
charge pump. In this case pin V
(see
source (see
V
V
connected to V
Fig 31. Recommended V
Fig 32. Recommended V
LCDIN
LCDOUT
LCDSENSE
LCDOUT
1.8 V (1.9 V) to 5.5 V
Figure
— This input is used for generating the 5 LCD bias levels. It is the power supply for
and V
— This is the V
Remark: When using an external V
otherwise damages will occur.
— When using the internal V
31). V
Figure
GND
LCDIN
LCDIN
1 μF
All information provided in this document is subject to legal disclaimers.
LCDOUT
32).
(see
or to ground (see
V
V
V
V
V
DD1
DD2
DD3
SS1
SS2
Rev. 6 — 16 May 2011
LCD
must be left open circuit when V
LCD
Figure
LCD
DD
output if V
connections for external V
connections for internal V
connections
LCDOUT
31). When using an external V
4.0 V to 9.0 V
1 μF
1 μF
V
SS2
LCD
Figure
LCD
must be connected to V
LCD
, the internal V
is generated internally. It is the output of the
generation, this pin must be connected to
n.c.
V
V
V
32).
LCDIN
LCDOUT
LCDSENSE
013aaa356
V
V
V
LCDIN
LCDOUT
LCDSENSE
LCD
LCD
LCD
LCD
generator must never be switched on
LCD
generation
generation
generation
34 x 128 pixel matrix driver
is supplied from an external
or
LCDIN
LCD
4.0 V to 9.0 V
supply it must be
and to V
PCF8531
n.c.
© NXP B.V. 2011. All rights reserved.
V
V
V
LCDIN
LCDOUT
LCDSENSE
LCDSENSE
013aaa358
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