參數資料
型號: PCF85162T/1
廠商: NXP SEMICONDUCTORS
元件分類: 顯示驅動器
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: 4/43頁
文件大小: 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
12 of 43
NXP Semiconductors
PCF85162
Universal LCD driver for low multiplex rates
7.4.3 1:3 Multiplex drive mode
When three backplanes are provided in the LCD, the 1:3 multiplex drive mode applies, as
shown in Figure 8.
Vstate1(t) = VSn(t) VBP0(t).
Von(RMS) = 0.638VLCD.
Vstate2(t) = VSn(t) VBP1(t).
Voff(RMS) = 0.333VLCD.
Fig 8.
Waveforms for the 1:3 multiplex drive mode with 1
3 bias
013aaa210
state 1
BP0
(b) Resultant waveforms
at LCD segment.
LCD segments
state 2
BP1
state 1
state 2
(a) Waveforms at driver.
BP2
Sn
Sn+1
Sn+2
Tfr
VSS
VLCD
2VLCD/3
VLCD/3
VSS
VLCD
2VLCD/3
VLCD/3
VSS
VLCD
2VLCD/3
VLCD/3
VSS
VLCD
2VLCD/3
VLCD/3
VSS
VLCD
2VLCD/3
VLCD/3
0 V
VLCD
2VLCD/3
VLCD/3
VLCD
0 V
VLCD
2VLCD/3
VLCD/3
VLCD
VSS
VLCD
2VLCD/3
VLCD/3
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