PCF8811 Datasheet PDF - NXP Semiconductors


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PCF8811
NXP Semiconductors

Part Number PCF8811
Description 80 x 128 pixels matrix LCD driver
Page 30 Pages

PCF8811 datasheet pdf
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PCF8811
80 x 128 pixels matrix LCD driver
Rev. 04 — 27 June 2008
www.DataSheet4U.com
Product data sheet
1. General description
The PCF8811 is a low-power CMOS LCD controller driver, designed to drive a graphic
display of 80 rows and 128 columns or a graphic display of 79 rows and 128 columns and
an icon row of 128 symbols. All necessary functions for the display are provided in a single
chip, including on-chip generation of the LCD supply and bias voltages, resulting in a
minimum of external components and low power consumption. The PCF8811 can
interface microcontrollers via a parallel bus, serial bus or I2C-bus interface.
2. Features
I Single-chip LCD controller/driver
I 80 row and 128 column outputs
I Display data RAM 80 × 128 bit
I 128 icons (row 80 can be used for icons in extended command set and when icon rows
are enabled)
I Low power consumption; suitable for battery operated systems
I An 8-bit parallel interface, 3 or 4-line Serial Peripheral Interface (SPI) and high-speed
I2C-bus
I On-chip:
N Configurable voltage multiplier generating LCD supply voltage VLCD; an external
VLCD is also possible
N Linear temperature compensation of VLCD; 8 programmable temperature
coefficients (extended command set); one fixed temperature coefficient which can
be set as default by OTP programming (basic command set)
N Generation of intermediate LCD bias voltage
N Oscillator requires no external components
I OTP calibration for VLCD and accurate frame frequency
I External reset input pad
I External clock input possible
I Multiplex rate: 1:16 to 1:80 in steps of 8 when no icon row is used, with the icon row
steps of 16 can be used
I Logic supply voltage range VDD1 to VSS:
N 1.7 V to 3.3 V
I High-voltage multiplier supply voltage range VDD2, VDD3 to VSS:
N 1.8 V to 3.3 V
I Display supply voltage range VLCD to VSS:
N 3 V to 9 V



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www.DataSheet4U.com
PCF8811
80 x 128 pixels matrix LCD driver
I Programmable bottom row pads mirroring; for compatibility with both Tape Carrier
Packages (TCP) and Chip-On-Glass (COG) applications (extended command set)
I Status read, which allows for chip recognition and content checking of some registers
I Start address line which allows, for instance, the scrolling of the displayed image
I Programmable display RAM pointers for variable display sizes
I Slim chip layout, suited for COG applications
I Temperature range: Tamb = 40 °C to +85 °C
I CMOS compatible inputs
3. Applications
I Automotive displays
I Telecom equipment
I Portable instruments
I Point-of-sale terminals
4. Ordering information
Table 1. Ordering information
Type number
Package
Name
Description
PCF8811U/2DA/1 -
chip with bumps in tray (not covered by Motif license agreement)
PCF8811MU/2DA/1 -
chip with bumps in tray (sold under license from Motif)
Version
-
-
PCF8811_4
Product data sheet
Rev. 04 — 27 June 2008
© NXP B.V. 2008. All rights reserved.
2 of 81



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5. Block diagram
www.DataSheet4U.com
PCF8811
80 x 128 pixels matrix LCD driver
VLCDIN
VSS1
VSS2
VOTPPROG
VLCDSENSE
VLCDOUT
T1
T2
T3
T4
T5
MF[2:0]
DS0
VDD1 VDD2 VDD3
BIAS
VOLTAGE
GENERATOR
C0 to C127
128
COLUMN DRIVERS
DATA
PROCESSING
HIGH
VOLTAGE
GENERATOR
DISPLAY DATA RAM
80 × 128 BITS
ADDRESS COUNTER
COMMAND
3
DECODER
PCF8811
R0 to R79
80
ROW DRIVERS
ORTHOGONAL
FUNCTION
GENERATOR
RESET
OSCILLATOR
TIMING
GENERATOR
DISPLAY
ADDRESS
COUNTER
53
I/O BUFFER
PARALLEL/SERIAL/I2C-BUS INTERFACE
RES
OSC
mgw732
Fig 1. Block diagram of PCF8811
PCF8811_4
Product data sheet
Rev. 04 — 27 June 2008
© NXP B.V. 2008. All rights reserved.
3 of 81



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6. Pinning information
6.1 Pinning
PCF8811
www.DataSheet4U.com
PCF8811
80 x 128 pixels matrix LCD driver
y
x
0,0
(1) VSS(tie-off) and VDD(tie-off) are used for local tie-offs.
Fig 2. Bonding pad locations for PCF8811 (bottom view)
PCF8811_4
Product data sheet
Rev. 04 — 27 June 2008
mgw769
© NXP B.V. 2008. All rights reserved.
4 of 81




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