OM6290 NXP Semiconductors, OM6290 Datasheet - Page 12
![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
UM10300_1
User manual
3.2.3 Block diagram
3.3.1 General Description
3.3 Graphic Driver PCF8531
The PCF8531 is a low power CMOS LCD row/column driver, designed to drive dot matrix
graphic displays (32 rows x 128 columns) at multiplex rates of 1:17, 1:26 and 1:34.
Furthermore, it can drive up to 128 icons. All necessary functions for the display are
provided in a single chip, including on-chip generation of V
V
Fig 3. Block diagram PCF2119x
LCDSENSE
DB3/SA0
V
V
V
V
V
LCD1
V
V
LCD2
DD1
DD2
DD3
SS1
SS2
T1
T2
T3
44 to 49
37 to 43
36
1 to 6
15 to 18
163
7 to 14
22 to 29
30 to 35
153
20
21
DB0 to DB2
GENERATOR
GENERATOR
REGISTER
VOLTAGE
160 to 162
DATA
(DR)
V LCD
BIAS
8
7
Rev. 1.0— 8 August 2008
DB4 to DB7
16 CHARACTERS
RAM (128 × 5)
CHARACTER
GENERATOR
7
(CGRAM)
164 to 167
BUSY
FLAG
I/O BUFFER
CURSOR AND DATA CONTROL
SHIFT REGISTER 5 × 12 BIT
80 CHARACTERS/BYTES
DISPLAY DATA RAM
COLUMN DRIVERS
E
DATA LATCHES
19
C1 to C80
(DDRAM)
80
8
ADDRESS COUNTER
R/W
INSTRUCTION
INSTRUCTION
158
80
80
5
5
60 to 99,
101 to 140
DECODER
REGISTER
(AC)
RS
240 CHARACTERS
7
7
8
8
159
GENERATOR
CHARACTER
(CGROM)
SCL
ROM
151,
152
SDA
156,
157
R17DUP
LCD
100
and the LCD bias
SHIFT REGISTER 18-BIT
7
PCF2119x
User Manual OM6290
ROW DRIVERS
OSCILLATOR
GENERATOR
ADDRESS
COUNTER
R1 to R18
DISPLAY
18
TIMING
UM10300
© NXP B.V. 2008. All rights reserved.
18
51 to 59,
141 to 149
168
155
154
12 of 30
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