OM6290 NXP Semiconductors, OM6290 Datasheet - Page 16
![DEMO BOARD LCD GRAPHIC DRIVER](/photos/9/4/90479/om6290_sml.jpg)
OM6290
Manufacturer Part Number
OM6290
Description
DEMO BOARD LCD GRAPHIC DRIVER
Manufacturer
NXP Semiconductors
Datasheets
1.PCF8576T1118.pdf
(44 pages)
2.OM6290.pdf
(30 pages)
3.OM6290.pdf
(51 pages)
4.OM6290.pdf
(83 pages)
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
NXP Semiconductors
8. LCD waveforms and DDRAM to data mapping
PCF8531
Product data sheet
Fig 5.
(1) V
(2) V
V
V
Typical LCD driver waveforms
state1
state2
state1
state2
ROW 0
R0(t)
ROW 1
R1(t)
COL 0
C0(t)
COL 1
C1(t)
(t)
(t)
(t) = C1(t) − R0(t)
(t) = C1(t) − R1(t)
V
V
V
V
V
V
V
V
LCD
3
LCD
3
LCD
3
LCD
3
0 V
0 V
− V
− V
− V
− V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
− V
− V
SS
SS
LCD
2
3
4
5
SS
LCD
2
3
4
5
SS
LCD
2
3
4
5
SS
LCD
2
3
4
5
SS
2
2
The LCD waveforms and the DDRAM to display data mapping are shown in
Figure 6
2
2
0 2 4 6 8...
and
Figure
All information provided in this document is subject to legal disclaimers.
frame n
... 32
1 3 5 7...
7.
Rev. 05 — 10 August 2010
... 33
0 2 4 6 8...
frame n + 1
... 32
1 3 5 7...
... 33
34 x 128 pixel matrix driver
V
V
V
V
V
0 V
0 V
−V
V
−V
4
SS
4
4
4
SS
mgs466
LCD
LCD
− V
− V
− V
− V
− V
− V
5
LCD
5
LCD
5
5
PCF8531
© NXP B.V. 2010. All rights reserved.
V
V
state1
state2
Figure
(t)
(t)
16 of 51
5,