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PCF8811
Datasheet
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.
Features
- Single-chip LCD controller/driver
- 80 row and 128 column outputs
- Display data RAM 80 x 128 bit
- 128 icons (row 80 can be used for icons in extended command set and when icon rows are enabled)
- Low power consumption; suitable for battery operated systems
- An 8-bit parallel interface, 3 or 4-line Serial Peripheral Interface (SPI) and high-speed I2C-bus
- On-chip:
- Configurable voltage multiplier generating LCD supply voltage VLCD; an external VLCD is also possible
- 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)
- Generation of intermediate LCD bias voltage
- Oscillator requires no external components
- OTP calibration for VLCD and accurate frame frequency
- External reset input pad
- External clock input possible
- 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
- Logic supply voltage range VDD1 to VSS:
- 1.7 V to 3.3 V
- High-voltage multiplier supply voltage range VDD2, VDD3 to VSS:
- 1.8 V to 3.3 V
- Display supply voltage range VLCD to VSS:
- 3 V to 9 V
- Programmable bottom row pads mirroring; for compatibility with both Tape Carrier Packages (TCP) and Chip-On-Glass (COG) applications (extended command set)
- Status read, which allows for chip recognition and content checking of some registers
- Start address line which allows, for instance, the scrolling of the displayed image
- Programmable display RAM pointers for variable display sizes
- Slim chip layout, suited for COG applications
- Temperature range: Tamb = -40 Cel to +85 Cel
- CMOS compatible inputs
Products/packages
| Type number | North American Type number | Ordering code (12NC) | Product status | Package | Packing | Marking | Chemical content | Leadfree conversion date |
|---|---|---|---|---|---|---|---|---|
| PCF8811MU/2DA/1 | 9352 704 36026 | Volume production | Uncased die | Die In Waffle Carriers | No Marking | PCF8811MU/2DA/1
| Always Pb-free | |
| PCF8811U/2DA/1 | 9352 672 13026 | Volume production | Uncased die | Die In Waffle Carriers | No Marking | PCF8811U/2DA/1
| Always Pb-free |
Pricing/ordering/availability
| Type number | Ordering code(12NC) | Indicative price/unit($) | Region | Distributor | In stock | Inventory date | Buy online | Samples |
|---|---|---|---|---|---|---|---|---|
| PCF8811MU/2DA/1 | 9352 704 36026 | not available | ||||||
| PCF8811U/2DA/1 | 9352 672 13026 | not available |
Applications
- Automotive displays
- Telecom equipment
- Portable instruments
- Point-of-sale terminals
Related applications
LCD display - discretes focus
Intelligent washing machine
Design support
Support Documents
75016543;
An industry-leading portfolio of cost-effective, power-saving solutions for major home appliances (2008-06-01)
75013239;
I 2 C Logic Selection Guide (2005-01-12)
75007416;
LCD drivers linecard (2001-11-23)
75016189;
NXP I (2008-06-01)
75008356;
PCF8811: 80 x 128 Display driver (2001-06-28)
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