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HT1626 Datasheet(PDF) 1 Page - Holtek Semiconductor Inc

Part # HT1626
Description  RAM Mapping 4816 LCD Controller for I/O MCU
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT1626 Datasheet(HTML) 1 Page - Holtek Semiconductor Inc

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HT1626
RAM Mapping 48´16 LCD Controller for I/O MCU
PATENTED
PAT No. : 099352
Selection Table
HT162X
HT1620
HT1621
HT1622
HT16220
HT1623
HT1625
HT1626
COM
4
48888
16
SEG
32
32
32
32
48
64
48
Built-in Osc.
¾
Ö
Ö¾Ö
Ö
Ö
Crystal Osc.
Ö
Ö
¾
ÖÖÖÖ
Rev. 1.50
1
June 9, 2009
Features
· Operating voltage: 2.7V~5.2V
· Built-in RC oscillator
· External 32.768kHz crystal or 32kHz frequency
source input
· 1/5 bias, 1/16 duty, frame frequency is 64Hz
· Max.48´16patterns,16commons,48segments
· Built-in internal resistor type bias generator
· 3-wire serial interface
· 8 kinds of time base or WDT selection
· Time base or WDT overflow output
· Built-in LCD display RAM
· R/W address auto increment
· Two selection buzzer frequencies (2kHz or 4kHz)
· Power down command reduces power consumption
· Software configuration feature
· Data mode and Command mode instructions
· Three data accessing modes
· VLCD pin to adjust LCD operating voltage
· 100-pin QFP package
General Description
HT1626 is a peripheral device specially designed for I/O
type MCU used to expand the display capability. The
max. display segment of the device are 768 patterns
(48
´16). It also supports serial interface, buzzer sound,
Watchdog Timer or time base timer functions. The
HT1626 is a memory mapping and multi-function LCD
controller. The software configuration feature of the
HT1626 make it suitable for multiple LCD applications
including LCD modules and display subsystems. Only
three lines are required for the interface between the
host controller and the HT1626. The HT162X series
have many kinds of products that match various applica-
tions.
Technical Document
· Application Note


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