OM6290 NXP Semiconductors, OM6290 Datasheet - Page 3

• 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
5. Block diagram
PCF8531
Product data sheet
Fig 1.
V
LCDSENSE
V
LCDOUT
SDACK
V
Block diagram of PCF8531
LCDIN
V
V
SDA
SCL
SS1
SS2
T1
T2
T3
T4
All information provided in this document is subject to legal disclaimers.
GENERATOR
GENERATOR
VOLTAGE
Rev. 05 — 10 August 2010
FILTERS
INPUT
V
BIAS
LCD
R0 to R33
DRIVERS
ROW
PCF8531
34
CONTROL
I
2
DISPLAY DATA RAM
C-BUS
SA0
DATA LATCHES
MATRIX DATA
C0 to C127
LATCHES
COLUMN
DRIVERS
MATRIX
RAM
128
COMMAND
DECODER
V
DD1
POWER-ON RESET
34 x 128 pixel matrix driver
INTERNAL
RESET
V
OSCILLATOR
GENERATOR
DD2
COUNTER
COUNTER
ADDRESS
ADDRESS
DISPLAY
TIMING
PCF8531
V
© NXP B.V. 2010. All rights reserved.
DD3
mgs465
ENR
RES
OSC
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