參數(shù)資料
型號: PCF8566
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): 9/40頁
文件大?。?/td> 243K
代理商: PCF8566
1998 May 04
9
Philips Semiconductors
Product specification
Universal LCD driver for low multiplex
rates
PCF8566
Fig.5 Waveforms for 1 : 2 multiplex drive mode with
1
2
bias: V
op
= V
DD
V
LCD
.
handbook, full pagewidth
MGG394
state 1
BP0
Sn
+
1
(a) waveforms at driver
(b) resultant waveforms
at LCD segment
LCD segments
state 2
BP1
Sn
state 2
state 1
VDD
(VDD
+
VLCD)/2
VLCD
VDD
(VDD
+
VLCD)/2
VLCD
VDD
VLCD
VDD
VLCD
Vop
Vop/2
0
Vop/2
Vop
Vop
Vop/2
0
Vop/2
Vop
Tframe
At any instant (t):
Vstate 1(t) = VSn(t)
VBP0(t)
Von(rms) = 4
10 = 0.791Vop
Vstate 2(t) = VSn(t)
VBP1(t)
Voff(rms) = 4
2 = 0.354Vop
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參數(shù)描述
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