參數(shù)資料
型號: PCF8812U
廠商: NXP Semiconductors N.V.
英文描述: CRYSTAL, 8,0 MHZ
中文描述: 65 × 102像素矩陣LCD驅(qū)動器
文件頁數(shù): 16/36頁
文件大?。?/td> 201K
代理商: PCF8812U
2000 Nov 22
16
Philips Semiconductors
Product specification
65
×
102 pixels matrix LCD driver
PCF8812
10.8
Bias system
The bias voltage levels are set in the ratio of R - R - nR - R - R giving a
bias system. Different multiplex rates
require different factors ‘n’ (see Table 4). This is programmed by BS2 to BS0. For MUX1 to MUX65 the optimum bias
resulting in
1
/
9
bias.
n
65
3
5.062
5
=
=
=
value ‘n’ is given by:
Table 4
Programming the required bias system
Table 5
LCD bias voltage
BS2
BS1
BS0
n
RECOMMEND MUX
RATE
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
7
6
5
4
3
2
1
0
1 to 100
1 to 80
1 to 65 or 1 to 65
1 to 48
1 to 40 or 1 to 34
1 to 24
1 to 18 or 1 to 16
1 to 10 or 1 to 9
or 1 to 8
SYMBOL
BIAS VOLTAGES
BIAS VOLTAGES FOR n = 5 (
1
/
9
BIAS)
V1
V2
V
LCD
(
n
(
V
LCD
8
/
9
×
V
LCD
V3
7
/
9
×
V
LCD
V4
2
/
9
×
V
LCD
V5
1
/
9
×
V
LCD
V6
V
SS
V
SS
1
+
n
4
)
-----------------
3
4
+
+
)
)
-n
n
2
4
+
+
(
)
)
-n
+
n
4
(
)
------2
1
+
n
4
)
-----------------
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參數(shù)描述
PCF8812U/2 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:65 x 102 pixels matrix LCD driver
PCF8812U/2/F1 制造商:PH 功能描述:
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PCF88132 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:(67 + 1) x 102 pixels matrix LCD driver
PCF88132DA 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:(67 + 1) x 102 pixels matrix LCD driver