OM6290 NXP Semiconductors, OM6290 Datasheet - Page 13

• Manufacturer Part Number: OM6290
• Description: DEMO BOARD LCD GRAPHIC DRIVER
• Manufacturer: NXP Semiconductors

Specifications of OM6290

• Main Purpose: Displays, LCD Controller
• Embedded: Yes, MCU, 16/32-Bit
• Utilized Ic / Part: PCF2119, PCF8531, PCF8576
• Primary Attributes: Character, Graphic and Segment LCD Drivers
• Secondary Attributes: JTAG, I²C, UART & USB Interfaces
• Description/function: Demo Board
• Interface Type: USB, I2C, JTAG, UART
• Data Bus Width: 4 bit, 8 bit, 16 bit
• Operating Voltage: 1.8 V to 5.5 V
• For Use With/related Products: PCF8576DT, PCF2119S, PCF8531
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 568-4703

Philips Semiconductors
2001 Oct 02
Universal LCD driver for low multiplex rates
S n 1
S n 2
S n 3
state 1
state 2
BP2
BP0
BP1
BP3
S n
V DD
V
V
V LCD
V DD
V
V
V LCD
V DD
V
V
V LCD
V DD
V
V
V LCD
V DD
V
V
V LCD
V DD
V
V
V LCD
V DD
V
V
V LCD
V DD
V
V
V LCD
V op
V op
V op
V op
V
V
V
V
2V
2V
2V
2V
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
op
op
op
op
op
op
op
op
Fig.8 Waveforms for the 1 : 4 multiplex drive mode (V
/3
/3
/3
/3
0
0
/3
/3
/3
/3
V
V
V
V
V
V
V
V
2V
2V
2V
2V
2V
2V
2V
2V
op
op
op
op
op
op
op
op
op
op
op
op
op
op
op
op
/3
/3
/3
/3
/3
/3
/3
/3
/3
/3
/3
/3
/3
/3
/3
/3
(b) resultant waveforms
(a) waveforms at driver
at LCD segment
T frame
13
op
= V
state 1
state 2
DD
MBE543
LCD segments
V
LCD
V
V
V
V
).
state1
on(rms)
state2
off(rms)
t ( )
t ( )
Product specification
=
=
=
=
0.577V
0.333V
V
V
PCF8576
S
S
n
n
t ( ) V
t ( ) V
–
–
op
op
BP0
BP1
t ( )
t ( )