OM6290 NXP Semiconductors, OM6290 Datasheet - Page 56
![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
PCF2119X
Product data sheet
16.3 Power supply connections for external V
16.4 Information about V
16.5 Reducing current consumption
Remark: When using an external V
switched on and direct mode must be avoided otherwise damages will occur.
V
the bias level buffers.
V
must be connected to V
must be left unconnected.
V
using the internal V
When using an external V
Reducing current consumption can be achieved by one of the options given in
When V
to use the on-chip V
Fig 39. Recommended V
Fig 40. Recommended V
LCDIN
LCDOUT
LCDSENSE
— This input is used for generating the 5 LCD bias levels. It is the power supply for
LCD
— This is the V
Drawings are showing alternative circuits.
Decoupling capacitors are not shown in the drawings.
The value of the capacitor should be at least 100 nF.
1.5 V to 5.5 V
2.2 V to 4.0 V
— This input is used for the voltage multiplier’s regulation circuitry. When
lies outside the V
All information provided in this document is subject to legal disclaimers.
GND
LCD
LCD
generation, this pin must be connected to V
LCDIN
Rev. 9 — 14 April 2011
generator than an external regulator.
LCD
V
V
V
V
V
LCD
LCD
DD1
DD2
DD3
SS1
SS2
DD
LCD
013aaa114
output if V
connections for external V
DD
and to V
connections for external V
V
supply it must be connected to V
connections
LCD(ext)
range and must be generated, it is usually more efficient
LCD
V
SS2
LCDSENSE
LCD
, the internal V
is generated internally. In this case pin V
n.c.
. If V
V
V
V
LCDIN
LCDOUT
LCDSENSE
LCD
LCD
013aaa118
LCD
LCD
LCD
2.2 V to 4.0 V
is generated externally, V
generation
generator must never be
generation
generation
GND
LCDIN
LCD controllers/drivers
LCDOUT
PCF2119x
only.
V
V
V
V
V
DD1
DD2
DD3
SS1
SS2
© NXP B.V. 2011. All rights reserved.
013aaa117
and V
Table
LCDIN
LCDOUT
LCDOUT
56 of 83
38.
.