參數(shù)資料
型號: PCF8548
廠商: NXP Semiconductors N.V.
英文描述: 65 x 102 pixels matrix LCD driver
中文描述: 65 × 102像素矩陣LCD驅(qū)動器
文件頁數(shù): 26/40頁
文件大小: 206K
代理商: PCF8548
1999 Aug 16
26
Philips Semiconductors
Product specification
65
×
102 pixels matrix LCD driver
PCF8548
18 APPLICATION INFORMATION
Table 7
Programming example for PCF8548
STEP
BITS
DISPLAY
OPERATION
B7
B6
B5
B4
B3
B2
B1
B0
1
2
3
I
2
C-bus start
1
0
0
0
1
0
1
0
1
0
0
0
0
0
0
0
slave address for write
control byte with cleared Co
bit and D/C set to logic 0
function set; PD = 0; V = 0;
select extended instruction
set (H = 1 mode)
set bias system 2; this is the
recommended bias system
for a multiplex rate 1 : 65
set V
OP
; V
OP
is set to a
+106
×
b [V]; it should be
noted that the required
voltage is dependent on the
liquid
function set; PD = 0; V = 0;
select normal instruction set
(H = 0 mode)
display control; set normal
mode (D = 1; E = 0)
restart; to write into the
display RAM the D/C must
be set to logic 1; therefore a
control byte is needed
slave address for write
control byte with cleared Co
bit and D/C set to logic 1
data write; Yand X are
initialized to 0 by default, so
they are not set here
4
0
0
1
0
0
0
0
1
5
0
0
0
1
0
0
1
0
6
1
1
1
0
1
0
1
0
7
0
0
1
0
0
0
0
0
8
0
0
0
0
1
1
0
0
9
I
2
C-bus start
10
11
0
0
1
1
1
0
1
0
1
0
0
0
0
0
0
0
12
1
1
1
1
1
0
0
0
13
1
0
1
0
0
0
0
0
data write
MGS405
MGS406
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