PCF8531U2D NXP [NXP Semiconductors], PCF8531U2D Datasheet - Page 16
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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8. LCD waveforms and DDRAM to data mapping
PCF8531
Product data sheet
Fig 5.
(1) V
(2) V
V
V
Typical LCD driver waveforms
state1
state2
state1
state2
ROW 0
R0(t)
ROW 1
R1(t)
COL 0
C0(t)
COL 1
C1(t)
(t)
(t)
(t) = C1(t) − R0(t).
(t) = C1(t) − R1(t).
V
V
V
V
V
V
V
V
LCD
3
LCD
3
LCD
3
LCD
3
0 V
0 V
− V
− V
− V
− V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
− V
− V
SS
SS
LCD
2
3
4
5
SS
LCD
2
3
4
5
SS
LCD
2
3
4
5
SS
LCD
2
3
4
5
SS
2
2
The LCD waveforms and the DDRAM to display data mapping are shown in
Figure 6
2
2
0 2 4 6 8...
and
Figure
All information provided in this document is subject to legal disclaimers.
frame n
... 32
1 3 5 7...
7.
Rev. 6 — 16 May 2011
... 33
0 2 4 6 8...
frame n + 1
... 32
1 3 5 7...
... 33
34 x 128 pixel matrix driver
V
V
V
V
V
0 V
0 V
−V
V
−V
4
SS
4
4
4
SS
mgs466
LCD
LCD
− V
− V
− V
− V
− V
− V
5
LCD
5
LCD
5
5
PCF8531
© NXP B.V. 2011. All rights reserved.
V
V
state1
state2
Figure
(t)
(t)
16 of 51
5,
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