参数资料
型号: PCF8890
英文描述: 240 + 1 outputs TFT LCD gate driver
中文描述: 240 1输出TFT液晶栅极驱动器
文件页数: 8/76页
文件大小: 385K
代理商: PCF8890
2002 Aug 16
8
Philips Semiconductors
Preliminary specification
STN RGB - 384 output column driver
PCF8832
7.14
LCD waveforms and DDRAM to data mapping
MGW659
ROW 0
R0(t)
COL 0
C0(t)
COL 1
C1(t)
VH
VCOL
frame n
frame n
+
1
0 1 2 3 4 5 6 7 8 ...
...159 0 1 2 3 4 5 6 7 8 ...
... 159
Vstate1(t)
Vstate1(t)
Vstate2(t)
VH
VM
VSS
VCOL
VL
ROW 1
R1(t)
VH
VM
VSS
VCOL
VL
VH
VM
VSS
VCOL
VL
VH
VM
VSS
VCOL
VL
VH
VSS
VM
VSS
VM
VSS
VM
VCOL
VL
VSS
VL
VCOL
VM
VCOL
VH
VCOL
Vstate2(t)
VH
VSS
VM
VSS
VM
VCOL
VM
VSS
VM
VCOL
VL
VSS
VL
VCOL
Fig.2 Typical LCD driver waveforms.
(1) V
state1
(t) = R0(t)
C1(t).
(2) V
state2
(t) = R1(t)
C1(t).
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