BU91600FUV-M数据手册集成电路（IC）的显示驱动器规格书PDF

描述 Description

BU91600FV-M是1/4、1/3、1/2占空比、Static车载用通用LCD驱动器，最多可显示148段LCD。本产品支持高液晶电压驱动及高帧频率驱动，也可驱动高显示精度的VA液晶。还支持+105℃动作，符合车载应用要求的AEC-Q100 Grade2标准。最多可控制16个通用输出和6个PWM输出，通过丰富的频率设定功能，无需频闪即可实现LED背光和LED按钮的照明。还内置最多20键的键盘扫描功能，可实现PCB上的配线削减和MCU的尺寸缩减和成本削减。内置有EVR功能，可进行LCD对比度的调节，还支持TTL电平输入，因此能直接连接各种电源电压的MCU。

特性 Features

• 1/4, 1/3, 1/2duty or Static setting selectable
1/4duty: Max 148 segments,
1/3duty: Max 111 segments
1/2duty: Max 74 segments,
Static: Max 37 segments
• 1/3 or 1/2 bias setting selectable
• Support wide range of operation voltage from 2.7V to 6.0V, which can support TN LCD and VA LCD display.
• Integrated LCD voltage driving circuit
• Integrated oscillation circuit for LCD frame frequency
• Line or Frame inversion driving selectable
• Integrated 16ch general purpose outputs (SEG selectable)
• Integrated 6ch PWM outputs (SEG selectable)
• Support 256 step PWM function to realize backlight/ button LED illumination
• Support LCD frame frequency from 50Hz to 685Hz, total 128setting
• Support PWM frequency from 146Hz to 2.34KHz, total 16setting
• Support external PWM input
• Support 3 wire serial interface + KEYOUT
• Support TTL level input to connect 3.3V MCU directly
• Support Max 20 key input detection (SEG selectable)
• Integrated EVR function to adjust LCD contrast
• Integrated voltage detected type power on reset circuit
• No external components required
• Low power consumption design
• Support up to +105℃ operation, qualified AEC-Q100 Grade2