OM4068 Philips Semiconductors, OM4068 Datasheet - Page 3

• Manufacturer Part Number: OM4068
• Description: LCD driver for low multiplex rates
• Manufacturer: Philips Semiconductors

Philips Semiconductors
BLOCK DIAGRAM
1998 Jun 18
handbook, full pagewidth
LCD driver for low multiplex rates
(1) SEG1, SEG6, SEG15 and SEG25 are not available in DIP40 package.
V LCD
M0
M1
BACKPLANE OUTPUTS
BP1
(CONTROL LOGIC)
4
LCD VOLTAGE
GENERATOR
POWER-ON
SELECTOR
VOLTAGE
4
RESET
BIAS
BP2
BP3
Fig.1 Block diagram.
4
V SS
V DD
GENERATOR
3
DISPLAY SEGMENT OUTPUTS
OM4068
TIMING
SEG1 to SEG32
SHIFT REGISTER
DISPLAY LATCH
32
OSCILLATOR
(1)
MBK817
SCE
SCLK
SDIN
SDOUT
Product specification
OM4068