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): 10/36頁
文件大小: 928K
代理商: PCF8562
November 22, 2004
10
Philips Semiconductors
Preliminary specification
Universal LCD driver
for low multiplex rates
PCF8562
6.4
LCD drive mode waveforms
6.4.1
S
TATIC
DRIVE
MODE
The static LCD drive mode is used when a single backplane is provided in the LCD. The backplane (BPn) and segment
drive (S
n
) waveforms for this mode are shown in Fig.5.
Fig.5 Static drive mode waveforms.
ull pagewidth
MGL745
VSS
VLCD
VSS
VLCD
VSS
VLCD
VLCD
VLCD
VLCD
VLCD
state 1
0 V
BP0
Sn
Sn
+
1
state 2
0 V
(a) Waveforms at driver.
(b) Resultant waveforms
at LCD segment.
LCD segments
state 1
(on)
state 2
(off)
Tframe
V
state1
t)
V
S
n
t)
V
BP0
t)
=
V
on(rms)
V
LCD
=
V
state2
t)
V
S
n
1
+
t)
V
BP0
t)
=
V
off(rms)
0 V
=
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