OM4068 Datasheet, PDF (3/28 Pages) NXP Semiconductors – LCD driver for low multiplex rates

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