OM4085 Philips Semiconductors, OM4085 Datasheet - Page 22

• Manufacturer Part Number: OM4085
• Description: Universal LCD driver for low multiplex rates
• Manufacturer: Philips Semiconductors

Philips Semiconductors
1997 Feb 25
handbook, full pagewidth
Universal LCD driver for low multiplex
rates
V LCD
V DD
V SS
CONTROLLER
PROCESSOR/
MICRO-
MICRO-
HOST
R
2 C bus
t rise
Fig.17 Cascaded OM4085 configuration.
SYNC
SYNC
SDA
SCL
CLK
OSC
SDA
OSC
SCL
CLK
1
2
3
4
6
1
2
3
4
6
22
7
7
A0
A0
5
V DD
8
8
5
A1
V DD
A1
OM4085
OM4085
9
9
A2
A2
12
12
V LCD
V LCD
10
10
17 to 40
13 to 16
17 to 40
13 to 16
SA0
SA0
11
11
V SS
V SS
24 segment drives
24 segment drives
4 backplanes
BP0 to BP3
BP0 to BP3
(open-circuit)
LCD PANEL
(up to 1536
elements)
Product specification
MBH950
OM4085