OM6290 NXP Semiconductors, OM6290 Datasheet - Page 16

• 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

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,