2024年4月27日发(作者：位信鸥)
HT1621/HT1621G
RAMMapping32´4LCDControllerforI/OMCU
PATENTED
PATNo.:TW099352
Features
·
Operatingvoltage:2.4V~5.2V
·
Built-in256kHzRCoscillator
·
External32.768kHzcrystalor256kHzfrequency
·
32´4LCDdriver
·
Built-in32´4bitdisplayRAM
·
3-wireserialinterface
·
InternalLCDdrivingfrequencysource
·
Softwareconfigurationfeature
·
Datamodeandcommandmodeinstructions
·
R/Waddressautoincrement
·
Threedataaccessingmodes
·
VLCDpinforadjustingLCDoperatingvoltage
·
HT1621:44-pinQFP/LQFPpackage
sourceinput
·
Selectionof1/2or1/3bias,andselectionof1/2or
1/3or1/4dutyLCDapplications
·
Internaltimebasefrequencysources
·
Twoselectablebuzzerfrequencies(2kHz/4kHz)
·
Powerdowncommandreducespowerconsumption
·
Built-intimebasegeneratorandWDT
·
TimebaseorWDToverflowoutput
·
8kindsoftimebase/WDTclocksources
HT1621B:48-pinSSOP/LQFPpackages
HT1621G:Goldbumpedchip
GeneralDescription
TheHT1621isa128pattern(32´4),memorymapping,
/Wconfiguration
featureoftheHT1621makesitsuitableformultipleLCD
applicationsincludingLCDmodulesanddisplaysub-
reeorfourlinesarerequiredforthein-
terfacebetweenthehostcontrollerandtheHT1621.
TheHT1621containsapowerdowncommandtore-
ducepowerconsumption.
SelectionTable
HT162X
COM
SEG
Built-inOsc.
CrystalOsc.
HT1620
4
32
¾
Ö
HT1621
4
32
Ö
Ö
HT1622
8
32
Ö
¾
HT16220
8
32
¾
Ö
HT1623
8
48
Ö
Ö
HT1625
8
64
Ö
Ö
HT1626
16
48
Ö
Ö
Rev.3.001April29,2011
PATENTED
BlockDiagram
HT1621/HT1621G
Note:CS:Chipselection
BZ,BZ:
Toneoutputs
WR,
RD,DATA:Serialinterface
COM0~COM3,SEG0~SEG31:LCDoutputs
IRQ:
TimebaseorWDToverflowoutput
PinAssignment
Rev.3.002April29,2011
2024年4月27日发(作者：位信鸥)
HT1621/HT1621G
RAMMapping32´4LCDControllerforI/OMCU
PATENTED
PATNo.:TW099352
Features
·
Operatingvoltage:2.4V~5.2V
·
Built-in256kHzRCoscillator
·
External32.768kHzcrystalor256kHzfrequency
·
32´4LCDdriver
·
Built-in32´4bitdisplayRAM
·
3-wireserialinterface
·
InternalLCDdrivingfrequencysource
·
Softwareconfigurationfeature
·
Datamodeandcommandmodeinstructions
·
R/Waddressautoincrement
·
Threedataaccessingmodes
·
VLCDpinforadjustingLCDoperatingvoltage
·
HT1621:44-pinQFP/LQFPpackage
sourceinput
·
Selectionof1/2or1/3bias,andselectionof1/2or
1/3or1/4dutyLCDapplications
·
Internaltimebasefrequencysources
·
Twoselectablebuzzerfrequencies(2kHz/4kHz)
·
Powerdowncommandreducespowerconsumption
·
Built-intimebasegeneratorandWDT
·
TimebaseorWDToverflowoutput
·
8kindsoftimebase/WDTclocksources
HT1621B:48-pinSSOP/LQFPpackages
HT1621G:Goldbumpedchip
GeneralDescription
TheHT1621isa128pattern(32´4),memorymapping,
/Wconfiguration
featureoftheHT1621makesitsuitableformultipleLCD
applicationsincludingLCDmodulesanddisplaysub-
reeorfourlinesarerequiredforthein-
terfacebetweenthehostcontrollerandtheHT1621.
TheHT1621containsapowerdowncommandtore-
ducepowerconsumption.
SelectionTable
HT162X
COM
SEG
Built-inOsc.
CrystalOsc.
HT1620
4
32
¾
Ö
HT1621
4
32
Ö
Ö
HT1622
8
32
Ö
¾
HT16220
8
32
¾
Ö
HT1623
8
48
Ö
Ö
HT1625
8
64
Ö
Ö
HT1626
16
48
Ö
Ö
Rev.3.001April29,2011
PATENTED
BlockDiagram
HT1621/HT1621G
Note:CS:Chipselection
BZ,BZ:
Toneoutputs
WR,
RD,DATA:Serialinterface
COM0~COM3,SEG0~SEG31:LCDoutputs
IRQ:
TimebaseorWDToverflowoutput
PinAssignment
Rev.3.002April29,2011