Design Files
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Automotive LCD Driver for Low Multiplex Rates
- This page contains information on a product that is not recommended for new designs.
The PCA8576C is a peripheral device which interfaces to almost any Liquid Crystal Display (LCD) with low multiplex rates. It generates the drive signals for any static or multiplexed LCD containing up to four backplanes and up to 40 segments and can easily be cascaded for larger LCD applications. The PCA8576C is compatible with most microprocessors or microcontrollers and communicates via a two-line bidirectional I²C-bus. Communication overheads are minimized by a display RAM with auto-incremented addressing and by hardware subaddressing.
Product Details
Features
Key Features
- AEC-Q100 compliant for automotive applications
- Single-chip LCD controller and driver
- Versatile blinking modes
- No external components required (even in multiple device applications)
- Selectable backplane drive configuration: static, 2, 3, or 4 backplane multiplexing
- Selectable display bias configuration: static, 1/2, or 1/3
- Internal LCD bias generation with voltage-follower buffers
- 40 × 4-bit RAM for display data storage
- Auto-incremented display data loading across device subaddress boundaries
- Display memory bank switching in static and duplex drive modes
- Low power consumption
- May be cascaded for large LCD applications (up to 2560 segments possible)
- No external components
- Separate or combined LCD and logic supplies
- Optimized pinning for plane wiring in both and multiple PCA8576C applications
- Power-saving mode for extremely low power consumption in battery-operated and telephone applications
40 Segment Drives
- Up to twenty 7-segment alphanumeric characters
- Up to ten 14-segment alphanumeric characters
- Any graphics of up to 160 elements
Wide Logic LCD Supply Range
- From 2 V for low-threshold LCDs
- Up to 6 V for guest-host LCDs and high-threshold twisted nematic LCDs
Part numbers include: PCA8576CH, PCA8576CT.
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Documentation
Quick reference to our documentation types.
1-5 of 11 documents
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Application Note
Cascading NXP LCD segment drivers
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Application Note
EMC and system level ESD design guidelines for LCD drivers
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Application Note
ESD and EMC sensitivity of IC
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User Guide
I2C-bus specification and user manual
Design Resources
Engineering Services
To get further assistance directly from NXP, please see our Engineering Services.
2 engineering services
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Independent Design House (IDH)
Hardware Design Services
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Independent Design House (IDH)
Embedded Software Design
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