參數(shù)資料
型號: PCF85162T/1
廠商: NXP SEMICONDUCTORS
元件分類: 顯示驅(qū)動器
英文描述: LIQUID CRYSTAL DISPLAY DRIVER, PDSO48
封裝: 6.10 MM, PLASTIC, MO-153, SOT362-1, TSSOP-48
文件頁數(shù): 2/43頁
文件大?。?/td> 321K
代理商: PCF85162T/1
PCF85162_2
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 02 — 7 May 2010
10 of 43
NXP Semiconductors
PCF85162
Universal LCD driver for low multiplex rates
7.4.2 1:2 Multiplex drive mode
When two backplanes are provided in the LCD, the 1:2 multiplex mode applies. The
PCF85162 allows the use of 1
2 bias or
1
3 bias in this mode as shown in Figure 6 and
Vstate1(t) = VSn(t) VBP0(t).
Von(RMS) = 0.791VLCD.
Vstate2(t) = VSn(t) VBP1(t).
Voff(RMS) = 0.354VLCD.
Fig 6.
Waveforms for the 1:2 multiplex drive mode with 1
2 bias
013aaa208
state 1
BP0
(a) Waveforms at driver.
(b) Resultant waveforms
at LCD segment.
LCD segments
state 2
BP1
state 2
state 1
VSS
VLCD
VLCD/2
VSS
VLCD
VSS
VLCD
0 V
VLCD/2
VLCD
VLCD/2
Sn
Sn+1
Tfr
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