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PCF8531U2DA1 View Datasheet(PDF) - NXP Semiconductors.

Part Name
Description
MFG CO.
PCF8531U2DA1
NXP
NXP Semiconductors. NXP
'PCF8531U2DA1' PDF : 51 Pages View PDF
NXP Semiconductors
PCF8531
34 x 128 pixel matrix driver
8. LCD waveforms and DDRAM to data mapping
The LCD waveforms and the DDRAM to display data mapping are shown in Figure 5,
Figure 6 and Figure 7.
ROW 0
R0(t)
VLCD
V2
V3
V4
V5
VSS
ROW 1
R1(t)
VLCD
V2
V3
V4
V5
VSS
COL 0
C0(t)
COL 1
C1(t)
VLCD
V2
V3
V4
V5
VSS
VLCD
V2
V3
V4
V5
VSS
VLCD
V3 VSS
Vstate1(t)
VLCD V2
0V
V3 V2
VLCD
V3 VSS
Vstate2(t)
VLCD V2
0V
V3 V2
frame n
0 2 4 6 8...
... 32 1 3 5 7...
(1) Vstate1(t) = C1(t) R0(t).
(2) Vstate2(t) = C1(t) R1(t).
Fig 5. Typical LCD driver waveforms
frame n + 1
... 33 0 2 4 6 8...
... 32 1 3 5 7...
Vstate1(t)
Vstate2(t)
V4 V5
0V
VSS V5
V4 VLCD
VLCD
V4 V5
0V
VSS V5
V4 VLCD
VLCD
... 33
mgs466
PCF8531
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 6 — 16 May 2011
© NXP B.V. 2011. All rights reserved.
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