參數(shù)資料
型號: PCF85176T
廠商: NXP SEMICONDUCTORS
元件分類: 顯示驅動器
英文描述: Universal LCD driver for low multiplex rates
中文描述: LIQUID CRYSTAL DISPLAY DRIVER, PDSO56
封裝: 6.10 MM, PLASTIC, MO-153, SOT364-1, TSSOP-56
文件頁數(shù): 11/47頁
文件大?。?/td> 405K
代理商: PCF85176T
PCF85176
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 2 — 27 June 2011
11 of 47
NXP Semiconductors
PCF85176
Universal LCD driver for low multiplex rates
7.4 LCD drive mode waveforms
7.4.1
Static drive mode
The static LCD drive mode is used when a single backplane is provided in the LCD. The
backplane (BPn) and segment (Sn) drive waveforms for this mode are shown in
Figure 7
.
V
state1
(t) = V
Sn
(t)
V
BP0
(t).
V
on(RMS)
= V
LCD
.
V
state2
(t) = V
(Sn + 1)
(t)
V
BP0
(t).
V
off(RMS)
= 0 V.
Static drive mode waveforms
Fig 7.
013aaa207
V
SS
V
LCD
V
SS
V
LCD
V
SS
V
LCD
V
LCD
V
LCD
V
LCD
V
LCD
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)
T
fr
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