HT68F005 datasheet(56/93 Pages) HOLTEK

56 / 93 page

Rev. 1.00

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Rev. 1.00

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HT68F005/HT68F006

Enhanced I/O Flash Type MCU

HT68F005/HT68F006

Enhanced I/O Flash Type MCU

Thefollowingstepsshowthereadandwriteprocedures:

• WritingDatatoCCRA

♦

Step1.WritedatatoLowByteTMxAL

– notethatheredataisonlywrittentothe8-bitbuffer.

♦

Step2.WritedatatoHighByteTMxAH

– heredataiswrittendirectlytothehighbyteregistersandsimultaneouslydataislatched

fromthe8-bitbuffertotheLowByteregisters.

• ReadingDatafromtheCounterRegistersandCCRA

♦

Step1.ReaddatafromtheHighByteTMxDH,TMxAH

– heredataisreaddirectlyfromtheHighByteregistersandsimultaneouslydataislatched

fromtheLowByteregisterintothe8-bitbuffer.

♦

Step2.ReaddatafromtheLowByteTMxDL,TMxAL

– thisstepreadsdatafromthe8-bitbuffer.

AstheCCRAregisterisimplementedinthewayshowninthefollowingdiagramandaccessing

thisregisteriscarriedoutinaspecificwaydescribedabove,itisrecommendedtousethe“MOV”

instructiontoaccesstheCCRAlowbyteregister,namedTMxAL,inthefollowingaccess

procedures.AccessingtheCCRAlowbyteregisterwithoutfollowingtheseaccessprocedureswill

resultinunpredictablevalues.

Compact Type TM – CTM

TheCompactTMtypecontainsthreeoperatingmodes,whichareCompareMatchOutput,

Timer/EventCounterandPWMOutputmodes.TheCompactTMcanalsobecontrolledwithan

externalinputpinandcandrivetwoexternaloutputpins.

CTM

Name

TM No.

TM Input Pin

TM Output Pin

HT68F005/HT68F006 10-�it CTM

0� 1

TCK0� TCK1

TP0_0� TP0_1� TP1_0� TP1_1

CCR P

CCR A

Tn CCL R

Co m par at or P M at ch

Co m par at or A Ma tc h

Tn CK 2~ Tn CK 0

Tn ON

Tn PA U

b7~ b9

3 -b it C om par at or P

TC Kn

10 -b it C om par at or A

Co unt er C l ear

10- bi t Co unt -u p Co unt er

Tn PF I nt er ru pt

Tn AF I nt er ru pt

TP n Pi n

Ou tp u t

b0~ b9

Tn M1 , Tn M0

Tn IO 1, T nI O0

Tn PO L

Tn OC

Po la ri ty

C ont ro l

Ou tp u t

C ont ro l

TP n_ 0

TP n_ 1

111

000

001

010

011

100

101

110

f SYS /4

f SYS

f H /1 6

f H /6 4

f LI RC

Re se rv ed

Compact Type TM Block Diagram (n=0, 1)

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