• 单片 LCD 控制器/驱动器
• 背极驱动方式:静态或 2、3、4 复合
• 偏置电压:静态、1/2、1/3
• 宽工作电压范围:2.5~5.5V
• 串行数据接口
• 4 背极,40 段极输出
• 40x4 共 160 位显存
• 低功耗设计,节电模式下 5V 动态工作电流为 14μA,
3.3V 动态工作电流为 9μA;
通过指令设置 SLEEP 模式时,电流约为 1.5μA
• 可级联至最多 16 个器件
• 多种闪烁方式
• VLCD 引脚调整 LCD 工作电压
• 双向-二线串行总线通信
• 兼容 TTL/COMS 电平
• 先进的低压 CMOS 工艺
• 高抗 EMC 性能
• LQFP-64 封装形式
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• Single-chip LCD controller and driver
• 40 segment drives:
• Up to twenty 7-segment alphanumeric characters
• Up to ten 14-segment alphanumeric characters
• Any graphics of up to 160 elements
• 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 x 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
• Wide logic LCD supply range:
• From 2 V for low-threshold LCDs
• Up to 6 V for high-threshold twisted nematic LCDs
• Low power consumption
• May be cascaded for large LCD applications
(up to 2560 elements possible)
• No external components required
• Separate or combined LCD and logic supplies
• Optimized pinning for plane wiring in both
single and multiple PCF8576C applications
• Power-saving mode for extremely low power
consumption in battery-operated and telephone applications
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