參數(shù)資料
型號: 935263625026
廠商: NXP SEMICONDUCTORS
元件分類: 顯示驅(qū)動器
英文描述: LIQUID CRYSTAL DISPLAY DRIVER, U
封裝: DIE-40
文件頁數(shù): 4/40頁
文件大小: 243K
代理商: 935263625026
1998 May 04
12
Philips Semiconductors
Product specication
Universal LCD driver for low multiplex
rates
PCF8566
Fig.8 Waveforms for 1 : 4 multiplex drive mode: Vop =VDD VLCD.
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
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) =
Vop√3 = 0.577V
op
3
Vstate 2(t) = VSn(t) VBP1(t)
Voff(rms) =
Vop
= 0.333Vop
3
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