PCF8813 View Datasheet(PDF) - Philips Electronics
Part Name
Description
MFG CO.
'PCF8813' PDF : 72 Pages View PDF
Philips Semiconductors
(67 + 1) Γ 102 pixels matrix LCD driver
7.8 LCD waveforms and DDRAM to data mapping
Product speciο¬cation
PCF8813
ROW 0
R0 (t)
VLCD
V2
V3
V4
V5
VSS
ROW 1
R1 (t)
VLCD
V2
V3
V4
V5
VSS
COL 0
C0 (t)
VLCD
V2
V3
V4
V5
VSS
COL 1
C1 (t)
VLCD
V2
V3
V4
V5
VSS
VLCD β VSS
V3 β VSS
VLCD β V2
Vstate1(t) 0 V
V3 β V2
VLCD β VSS
V3 β VSS
VLCD β V2
Vstate2(t) 0 V
V3 β V2
frame n
frame n + 1
Vstate0(t) = C1(t) β R0(t).
Vstate1(t) = C1(t) β R1(t).
2004 Mar 05
0 1 2 3 4 5 6 7 8...
... 67 0 1 2 3 4 5 6 7 8...
Fig.2 Typical LCD driver waveforms.
8
Vstate0(t)
Vstate1 (t)
V4 β V5
0V
VSS β V5
V4 β VLCD
VSS β VLCD
V4 β V5
0V
VSS β V5
V4 β VLCD
VSS β VLCD
... 67
MGU620
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