HT68F005 datasheet(55/93 Pages) HOLTEK

55 / 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

TM Input/Output Pin Control Registers

SelectingtohaveaTMinput/outputorwhethertoretainitsothersharedfunctionisimplemented

usingoneregister,withasinglebitineachregistercorrespondingtoaTMinput/outputpin.Setting

thebithighwillsetupthecorrespondingpinasaTMinput/output,ifresettozerothepinwillretain

itsoriginalotherfunction.

TMPC Register

Bit

Name

—

T1CP1

T1CP0

T0CP1

T0CP0

R/W

—

R/W

P�R

—

bit7~4

Unimplemented,readas"0"

bit3

T1CP1:TP1_1pinControl

0:Disable

1:Enable

bit2

T1CP0:TP1_0pinControl

0:Disable

1:Enable

bit1

T0CP1:TP0_1pinControl

0:Disable

1:Enable

bit0

T0CP0:TP0_0pinControl

0:Disable

1:Enable

Programming Considerations

TheTMCounterRegistersandtheCapture/CompareCCRAregisters,being10-bit,allhavealow

andhighbytestructure.Thehighbytescanbedirectlyaccessed,butasthelowbytescanonlybe

accessedviaaninternal8-bitbuffer,readingorwritingtotheseregisterpairsmustbecarriedoutin

aspecificway.Theimportantpointtonoteisthatdatatransfertoandfromthe8-bitbufferandits

relatedlowbyteonlytakesplacewhenawriteorreadoperationtoitscorrespondinghighbyteis

executed.

Data

Bus

8-�it

Buffe�

TMxDH

TMxDL

TMxAH

TMxAL

TM Counte� Registe� (Read only)

TM CCRA Registe� (Read/W�ite)

HT68F005 Datasheet(PDF) 55 Page - Holtek Semiconductor Inc

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