Overview
The PCA85132U/2DA/Q1,0 is a versatile LCD driver designed by NXP USA Inc. for low multiplex rates. This peripheral device is capable of interfacing with almost any Liquid Crystal Display (LCD), including static and multiplexed displays containing up to four backplanes and up to 160 segments. It is compatible with most microcontrollers and communicates via the two-line bidirectional I2C-bus, minimizing communication overhead through features like display RAM with auto-incremental addressing and hardware subaddressing.
Key Specifications
| Specification | Description |
|---|---|
| Package Type | Bare die, 197 bumps; 6.5 x 1.16 x 0.40 mm |
| Number of Backplanes | Up to 4 |
| Number of Segments | Up to 160 |
| Segment Drive Capability | Up to 80 7-segment numeric characters or up to 40 14-segment alphanumeric characters |
| Communication Interface | Two-line bidirectional I2C-bus |
| Backplane Drive Configuration | Static, 2, 3, or 4 backplane multiplexing |
| External Components Required | No external components required |
| Clock Input | Internal or external clock selection |
| Power Supply | VDD and VLCD supply voltages |
| Operating Mode | Static and duplex drive modes |
| Compliance | AEC-Q100 compliant for automotive applications |
Key Features
- Single-chip LCD controller and driver for up to 640 elements
- Selectable backplane drive configuration: static, 2, 3, or 4 backplane multiplexing
- No external components required
- Two sets of backplane outputs for optimal COG configurations
- Display RAM with auto-incremental addressing and hardware subaddressing
- Display memory switching (static and duplex drive modes)
- AEC-Q100 compliant for automotive applications
- Communication via two-line bidirectional I2C-bus
Applications
The PCA85132U/2DA/Q1,0 is suitable for a wide range of applications, including automotive systems due to its AEC-Q100 compliance. It can be used in various LCD display systems such as instrument clusters, infotainment systems, and other display-intensive applications. Additionally, its versatility makes it a good fit for industrial and consumer electronics that require robust and efficient LCD control.
Q & A
- What is the PCA85132U/2DA/Q1,0 used for? The PCA85132U/2DA/Q1,0 is used as an LCD driver for low multiplex rates, capable of driving static and multiplexed LCDs.
- How many segments can the PCA85132U/2DA/Q1,0 drive? It can drive up to 160 segments.
- What communication interface does the PCA85132U/2DA/Q1,0 use? It communicates via the two-line bidirectional I2C-bus.
- Does the PCA85132U/2DA/Q1,0 require external components? No, it does not require any external components.
- What are the backplane drive configurations available for the PCA85132U/2DA/Q1,0? The configurations include static, 2, 3, or 4 backplane multiplexing.
- Is the PCA85132U/2DA/Q1,0 compliant with automotive standards? Yes, it is AEC-Q100 compliant for automotive applications.
- How many backplanes can the PCA85132U/2DA/Q1,0 support? It can support up to four backplanes.
- What is the package type of the PCA85132U/2DA/Q1,0? It is a bare die with 197 bumps, measuring 6.5 x 1.16 x 0.40 mm.
- Can the PCA85132U/2DA/Q1,0 be cascaded for larger LCD applications? Yes, it can be easily cascaded for larger LCD applications.
- What are the power supply requirements for the PCA85132U/2DA/Q1,0? It requires VDD and VLCD supply voltages.
