參數(shù)資料
型號: PCF8576
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
文件大小: 243K
代理商: PCF8576
1998 Feb 06
12
Philips Semiconductors
Product specification
Universal LCD driver for low multiplex
rates
PCF8576
MBE542
2Vop
op
Vop
Vop
state 1
0
BP0
(b) resultant waveforms
at LCD segment
LCD segments
state 2
Tframe
BP1
Vop
state 1
2Vop
op
2Vop
op
Vop
state 2
0
2Vop
op
Sn 1
Sn 2
(a) waveforms at driver
Sn
BP2/S23
VDD
VDD
VDD
op
VLCD
VDD
VDD
VDD
op
VDD
VDD
VDD
op
VLCD
VDD
VDD
VDD
op
VDD
VDD
VDD
op
VLCD
op
VDD
VDD
VDD
op
VLCD
op
op
VLCD
op
op
VLCD
op
Fig.7 Waveforms for the 1 : 3 multiplex drive mode (V
op
= V
DD
V
LCD
).
V
state1
t)
V
S
n
t)
V
BP0
t)
=
V
on(rms)
0.638V
op
=
V
state2
t)
V
S
n
t)
V
BP1
t)
=
V
off(rms)
0.333V
op
=
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