NXP Semiconductors PCA85262 汽车 32x4 LCD 驱动器
恩智浦 PCA85262 汽车 32x4 LCD 驱动器是一款外设，能连接几乎任何低复用率液晶显示器(LCD)。它能为最多包含 4 个背板、32 个分段的任何静态或多路复用 LCD 生成驱动信号。它可以轻松进行级联，用于更大型 LCD 应用。PCA85262 兼容大部分微控制器，通过两线双向 I2C 总线进行通信。通过使用有自动增量寻址功能的显示 RAM、硬件子寻址、显示内存开关（静态和双工驱动模式），通信开销被降至最低水平。
特性
- AEC-Q100 grade 2 compliant for automotive applications
- Single-chip LCD controller and driver
- 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
- 32 segment drives
- Up to 16 7-segment numeric characters
- Up to 8 14-segment alphanumeric characters
- Any graphics of up to 128 elements
- 32x4-bit RAM for display data storage
- Display memory bank switching in static and duplex drive modes
- Versatile blinking modes
- Independent supplies possible for LCD and logic voltages
- 1.8V to 5.5V wide power supply range
- Wide logic LCD supply range
- From 2.5V for low-threshold LCDs
- Up to 8.0V for guest-host LCDs and high-threshold twisted nematic LCDs
- Low power consumption
- Extended temperature range up to 105°C
- 400kHz I2C-bus interface
- No external components required
- Manufactured in silicon gate CMOS process
Block Diagram
发布日期: 2015-04-28
| 更新日期: 2022-03-11