參數(shù)資料
型號(hào): PCF8531
廠商: NXP Semiconductors N.V.
英文描述: 34×128 pixel matrix driver(34×128 像素矩陣驅(qū)動(dòng)器)
中文描述: 34 × 128像素矩陣驅(qū)動(dòng)器(34 × 128像素矩陣驅(qū)動(dòng)器)
文件頁數(shù): 8/44頁
文件大小: 212K
代理商: PCF8531
2000 Feb 11
8
Philips Semiconductors
Product specification
34
×
128 pixel matrix driver
PCF8531
8.16
LCD waveforms and DDRAM to data mapping
The LCD waveforms and the DDRAM to display data mapping are shown in Figs 2, 3 and 4.
MGS466
ROW 0
R0 (t)
ROW 2
R2 (t)
COL 0
C0 (t)
COL 1
C1 (t)
0 V
VSS
V5
V3
VSS
frame n
frame n
+
1
0 2 4 6 8...
1 3 5 7...
... 33
... 32
0 2 4 6 8...
1 3 5 7...
... 33
... 32
Vstate1(t)
Vstate1(t)
Vstate2(t)
VLCD
V2
V3
V4
V5
VSS
VLCD
V2
V3
V4
V5
VSS
VLCD
V2
V3
V4
V5
VSS
VLCD
V2
V3
V4
V5
VSS
VLCD
VLCD
V2
0 V
V5
V4
VLCD
VLCD
V3
V2
0 V
VSS
V5
V3
VSS
Vstate2(t)
VLCD
VLCD
V2
0 V
V5
V4
VLCD
VLCD
V3
V2
Fig.2 Typical LCD driver waveforms.
V
state1
(t) = C1(t)
R0(t).
V
state2
(t) = C1(t)
R2(t).
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