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HT1626(100QFP) Datasheet

  • HT1626(100QFP)

  • Controller Miscellaneous - Datasheet Reference

  • 15頁

  • ETC

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HT1626
RAM Mapping 48麓16 LCD Controller for I/O MCU
Features
路
Operating voltage: 2.7V~5.2V
路
Built-in RC oscillator
路
External 32.768kHz crystal or 32kHz frequency
路
Built-in LCD display RAM
路
R/W address auto increment
路
Two selection buzzer frequencies (2kHz or 4kHz)
路
Power down command reduces power consumption
路
Software configuration feature
路
Data mode and Command mode instructions
路
Three data accessing modes
路
VLCD pin to adjust LCD operating voltage
路
Cascade application
路
100-pin QFP package
source input
路
1/5 bias, 1/16 duty, frame frequency is 64Hz
路
Max. 48麓16 patterns, 16 commons, 48 segments
路
Built-in internal resistor type bias generator
路
3-wire serial interface
路
8 kinds of time base or WDT selection
路
Time base or WDT overflow output
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麓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.
Selection Table
HT162X
COM
SEG
Built-in Osc.
Crystal Osc.
HT1620
4
32
戮
脰
HT1621
4
32
脰
脰
HT1622
8
32
脰
戮
HT16220
8
32
戮
脰
HT1623
8
48
脰
脰
HT1625
8
64
脰
脰
HT1626
16
48
脰
脰
Block Diagram
O S C O
O S C I
C S
R D
W R
D A T A
V D D
V S S
B Z
B Z
T o n e . re q u e n c y
G e n e ra to r
C o n
a n
T im
C ir c
tro l
d
in g
u it
D is p la y R A M
C O M 0
L C D D r iv e r /
B ia s C ir c u it
C O M 1 5
S E G 0
S E G 4 7
V L C D
W a tc h d o g T im e r
a n d
T im e B a s e G e n e r a to r
IR Q
Rev. 1.10
1
September 11, 2002

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