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HT16L21 1.8V~5.5V 32SEG*4COM点阵 1/2, 1/3偏压 I2C, SPI 3-Wire接口

所属类型:
产品型号: HT16L21
封装形式: LQFP44
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提供样品: 提供

General Description

The HT16L21 device is a memory mapping and multi-function LCD controller/driver. The display segments of the device are 128 patterns (32 segments and 4 commons) display. It can also support LED drive outputs on certain Segment pins. The software configuration feature of the HT16L21 device makes it suitable for multiple LCD applications including LCD modules and display subsystems. The HT16L21 device communicates with most microprocessors/microcontrollers via a two-wire bidirectional I2C or a three-wire SPI interface.


Feature

• Logic operating voltage: 1.8V~5.5V

• LCD operating voltage (VLCD): 2.4V~6.0V

• External VLCD pin to supply LCD operating voltage

• Internal 32kHz RC oscillator

• Bias: 1/2 or 1/3; Duty:1/4

• Internal LCD bias generation with voltage-follower

buffers

• Integrated regulator to adjust LCD operating voltage:

3.0V, 3.2V, 3.3V, 3.4V, 4.4V, 4.5V, 4.6V, 5.0V

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• Support I2C or SPI 3-wire serial interface

controlled by IFS pin

• Four selectable LCD frame frequencies:

64Hz or 85。3Hz or 128Hz or 170。6Hz

• 32×4 bits RAM for display data storage

• Max. 32×4 pixel: 32 segments and 4 commons

• Support two driver output mode segment/LED on

SEG24~SEG31/LED7~LED0

• Versatile blinking modes: off, 0.5Hz, 1Hz, 2Hz

• R/W address auto increment

• Low power consumption

• Manufactured in silicon gate CMOS process

• Package types: 44-pin LQFP


Applications

• Leisure products

• Games

• Telephone display

• Audio combo display

• Video player display

• Kitchen appliance display

• Measurement equipment display

• Household appliance

• Consumer electronics


lqfp44 封装尺寸图 下载
ht16l21 产品说明手册 下载
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ht16l21 下载


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