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PCF8811U/2DA/1 데이터시트(PDF) 55 Page - NXP Semiconductors

부품명 PCF8811U/2DA/1
상세설명  80 x 128 pixels matrix LCD driver
PDF  81 Pages
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제조업체  NXP [NXP Semiconductors]
홈페이지  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCF8811U/2DA/1 데이터시트(HTML) 55 Page - NXP Semiconductors

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PCF8811_4
© NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 04 — 27 June 2008
55 of 81
NXP Semiconductors
PCF8811
80 x 128 pixels matrix LCD driver
You can calculate the VLCD at a specific temperature for both command sets. VLCD (atT=
TCUT) is given by Equation 4 or Equation 5 depending on the command set which is used.
(6)
In the extended command set and basic command set 8 different temperature coefficients
are available; see Figure 37.
The typical values of the different temperature coefficients are given in Section 15. The
coefficients are proportional to the programmed VLCD.
The basic and extended command set differ in the way that the temperature coefficients
can be accessed. In the basic command set only one temperature coefficient is available.
However, the possibility exists to program the default temperature coefficient by means of
OTP programming; see Section 18. In the extended command set the different
temperature coefficients are selected by the interface with three bits TC[2:0].
Fig 37. Temperature coefficients
V
LCD T
()
V
LCD T
T
CUT
=
()
1T
T
CUT
–
() TC
×
+
[]
×
=
mgw754
VLCD
TCUT
T



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