參數(shù)資料
型號(hào): OM6213
英文描述: 48 x 84 pixels matrix LCD driver
中文描述: 48 × 84像素的矩陣LCD驅(qū)動(dòng)器
文件頁數(shù): 15/40頁
文件大?。?/td> 213K
代理商: OM6213
2001 Nov 07
15
Philips Semiconductors
Product specification
48
×
84 pixels matrix LCD driver
OM6213
11.7
Bias value
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 of ‘n’ (see Table 4). This is programmed by BS[2:0]. For Mux 1 : 48 the optimum bias value ‘n’ is
resulting in
1
8
bias.
n
48
3
3.928
4
=
=
=
given by
Table 4
Programming the required bias system
Table 5
LCD bias voltage
BS2
BS1
BS0
n
BIAS SYSTEM
RECOMMENDED MUX RATE
0
0
0
0
1
0
0
1
1
0
0
1
0
1
0
7
6
5
4
1
11
1
10
1
9
1
8
1 : 100
1 : 80
1 : 65
1 : 48
Module Maker
programmable
(see Table 11)
1
6
1
5
1
4
1
1
1
0
1
1
1
0
1
2
1
0
1 : 24
1 : 18/1 : 16
1 : 10/1 : 9/1 : 8
SYMBOL
BIAS VOLTAGE FOR
1
8
BIAS SYSTEM
V
LCD
7
8
×
V
LCD
6
8
×
V
LCD
2
8
×
V
LCD
1
8
×
V
LCD
V
SS
V1
V2
V3
V4
V5
V6
1
+
n
4
)
-----------------
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