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驅動器的低復用率
文件頁數(shù): 12/40頁
文件大?。?/td> 243K
代理商: PCF8566
1998 May 04
12
Philips Semiconductors
Product specification
Universal LCD driver for low multiplex
rates
PCF8566
Fig.8 Waveforms for 1 : 4 multiplex drive mode: V
op
= V
DD
V
LCD.
handbook, full pagewidth
MGG396
state 1
0
BP0
(b) resultant waveforms
at LCD segment
LCD segments
state 2
BP1
state 1
state 2
0
BP2
(a) waveforms at driver
BP3
VDD
VDD
Vop/3
VDD
2Vop/3
VLCD
VDD
VDD
Vop/3
VDD
2Vop/3
VLCD
VDD
VDD
Vop/3
VDD
2Vop/3
VLCD
VDD
VDD
Vop/3
VDD
2Vop/3
VLCD
VDD
VDD
Vop/3
VDD
2Vop/3
VLCD
VDD
VDD
Vop/3
VDD
2Vop/3
VLCD
VDD
VDD
Vop/3
VDD
2Vop/3
VLCD
VDD
VDD
Vop/3
VDD
2Vop/3
VLCD
Vop
2Vop/3
Vop/3
Vop
Vop
2Vop/3
Vop/3
2Vop/3
Vop/3
Vop
2Vop/3
Vop/3
Sn
Sn
+
1
Sn
+
2
Sn
+
3
Tframe
At any instant (t):
Vstate 1(t) = VSn(t)
VBP0(t)
Von(rms) = 3
3 = 0.577Vop
Vstate 2(t) = VSn(t)
VBP1(t)
Voff(rms) = 3
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