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首頁(yè)>LC75857W-E>規(guī)格書詳情

LC75857W-E中文資料安森美半導(dǎo)體數(shù)據(jù)手冊(cè)PDF規(guī)格書

LC75857W-E
廠商型號(hào)

LC75857W-E

功能描述

Duty LCD Driver with Key Input Function

文件大小

738.44 Kbytes

頁(yè)面數(shù)量

42 頁(yè)

生產(chǎn)廠商

ONSEMI

中文名稱

安森美半導(dǎo)體

網(wǎng)址

網(wǎng)址

數(shù)據(jù)手冊(cè)

下載地址一下載地址二到原廠下載

更新時(shí)間

2025-9-10 15:30:00

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LC75857W-E規(guī)格書詳情

Overview

The LC75857E and LC75857W are 1/3 duty and 1/4 duty LCD display drivers that can directly drive up to 164 segments and can control up to four general-purpose output ports. These products also incorporate a key scan circuit that accepts input from up to 30 keys to reduce printed circuit board wiring.

特性 Features

● Key input function for up to 30 keys (A key scan is performed only when a key is pressed.)

● 1/3 duty and 1/4 duty drive schemes can be controlled from serial data.

● 1/2 bias and 1/3 bias drive schemes can be controlled from serial data.

● Capable of driving up to 126 segments using 1/3 duty and up to 164 segments using 1/4 duty.

● Sleep mode and all segments off functions that are controlled from serial data.

● Switching between key scan output and segment output can be controlled from the serial data.

● The key scan operation enabled/disabled state can be controlled from the serial data.

● Switching between segment output port and general-purpose output port can be controlled

from serial data.

● The common and segment output waveform frame frequency can be controlled from the

serial data.

● Switching between RC oscillator mode and external clock mode can be controlled

from the serial data.

● Serial data I/O supports CCB format communication with the system controller.

● Direct display of display data without the use of a decoder provides high generality.

● Independent VLCD for the LCD driver block.

(When the logic block supply voltage VDD is in the range 3.6 to 6.0 V, VLCD can be set to a

voltage in the range 0.75 VDD to 6.0 V, and when VDD is in the range 2.7 to 3.6 V, VLCD can

be set to a voltage in the range 2.7 to 6.0 V.)

● Provision of an on-chip voltage-detection type reset circuit prevents incorrect displays.

產(chǎn)品屬性

  • 型號(hào):

    LC75857W-E

  • 功能描述:

    LCD 驅(qū)動(dòng)器 LCD DISPLAY DRIVER

  • RoHS:

  • 制造商:

    Maxim Integrated

  • 數(shù)位數(shù)量:

    4.5

  • 片段數(shù)量:

    30

  • 最大時(shí)鐘頻率:

    19 KHz

  • 工作電源電壓:

    3 V to 3.6 V

  • 最大工作溫度:

    + 85 C

  • 最小工作溫度:

    - 20 C

  • 封裝/箱體:

    PDIP-40

  • 封裝:

    Tube

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