pcf8548 NXP Semiconductors, pcf8548 Datasheet - Page 26

• Manufacturer Part Number: pcf8548
• Description: 65 X 102 Pixels Matrix Lcd Driver
• Manufacturer: NXP Semiconductors

Philips Semiconductors
18 APPLICATION INFORMATION
Table 7 Programming example for PCF8548
1999 Aug 16
1
2
3
4
5
6
7
8
9
10
11
12
13
STEP
65
102 pixels matrix LCD driver
B7
0
0
0
0
1
0
0
0
0
1
1
B6
1
0
0
0
1
0
0
1
1
1
0
B5
1
0
1
0
1
1
0
1
0
1
1
I
I
2
2
B4
C-bus start
C-bus start
1
0
0
1
0
0
0
1
0
1
0
BITS
B3
1
0
0
0
1
0
1
1
0
1
0
B2
0
0
0
0
0
0
1
0
0
0
0
B1
0
0
0
1
1
0
0
0
0
0
0
B0
26
0
0
1
0
0
0
0
0
0
0
0
DISPLAY
MGS405
MGS406
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
+106
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; Y and X are
initialized to 0 by default, so
they are not set here
data write
OP
; V
b [V]; it should be
OPERATION
Product specification
OP
PCF8548
is set to a