參數(shù)資料
型號: PCF8562
廠商: NXP Semiconductors N.V.
英文描述: Universal LCD driver for low multiplex rates
中文描述: 通用LCD驅(qū)動器的低復(fù)用率
文件頁數(shù): 12/36頁
文件大?。?/td> 928K
代理商: PCF8562
November 22, 2004
12
Philips Semiconductors
Preliminary specification
Universal LCD driver
for low multiplex rates
PCF8562
handbook, full pagewidth
MGL747
state 1
BP0
(a) Waveforms at driver.
(b) Resultant waveforms
at LCD segment.
LCD segments
state 2
BP1
state 1
state 2
VSS
VLCD
2VLCD/3
VLCD/3
VSS
VLCD
2VLCD/3
VLCD/3
VLCD
2VLCD/3
VLCD/3
VSS
0 V
VLCD
2VLCD/3
VLCD/3
2VLCD/3
VLCD
VLCD
2VLCD/3
VLCD/3
VLCD/3
0 V
2VLCD/3
VLCD
VLCD/3
Sn
Sn
+
1
Tframe
VSS
VLCD
2VLCD/3
VLCD/3
Fig.7 Waveforms for the 1 : 2 multiplex drive mode with
1
3
bias.
V
state1
t)
V
S
n
t)
V
BP0
t)
=
V
on(rms)
0.745V
LCD
=
V
state2
t)
V
S
n
t)
V
BP1
t)
=
V
off(rms)
0.333V
LCD
=
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