HT45F65 datasheet(92/231 Pages) HOLTEK

92 / 231 page

Rev. 1.60

9�

�ove��e� �� 01�

Rev. 1.60

�ove��e� �� 01�

HT45F65/HT45F66/HT45F67

Glucose Meter 8-Bit Flash MCU

TM Clock Source

TheclocksourcewhichdrivesthemaincounterineachTMcanoriginatefromvarioussources.

TheselectionoftherequiredclocksourceisimplementedusingtheTnCK2~TnCK0bitsintheTM

controlregisters.TheclocksourcecanbearatioofeitherthesystemclockfSYSortheinternalhigh

clockfH,thefTBCclocksourceortheexternalTCKnpin.Notethatsettingthesebitstothevalue101

willselectareservedclockinput,ineffectdisconnectingtheTMclocksource.TheTCKnpinclock

sourceisusedtoallowanexternalsignaltodrivetheTMasanexternalclocksourceorforevent

counting.

TM Interrupts

TheCompactandStandardtypeTMseachhavetwointernalinterrupts,oneforeachoftheinternal

comparatorAorcomparatorP,whichgenerateaTMinterruptwhenacomparematchcondition

occurs.AstheEnhancedtypeTMhasthreeinternalcomparatorsandcomparatorAorcomparator

BorcomparatorPcomparematchfunctions,itconsequentlyhasthreeinternalinterrupts.Whena

TMinterruptisgenerateditcanbeusedtoclearthecounterandalsotochangethestateoftheTM

outputpin.

TM External Pins

EachoftheTMs,irrespectiveofwhattype,hasoneTMinputpin,withthelabelTCKn.TheTM

inputpinisessentiallyaclocksourcefortheTMandisselectedusingtheTnCK2~TnCK0bitsin

theTMnC0register.ThisexternalTMinputpinallowsanexternalclocksourcetodrivetheinternal

TM.ThisexternalTMinputpinissharedwithotherfunctionsbutwillbeconnectedtotheinternal

TMifselectedusingtheTnCK2~TnCK0bits.TheTMinputpincanbechosentohaveeithera

risingorfallingactiveedge.

TheTMseachhavemoreoutputpinswiththelabelTPn.WhentheTMisintheCompareMatch

OutputMode,thesepinscanbecontrolledbytheTMtoswitchtoahighorlowlevelortotoggle

whenacomparematchsituationoccurs.TheexternalTPnoutputpinisalsothepinwheretheTM

generatesthePWMoutputwaveform.AstheTMoutputpinsarepin-sharedwithotherfunction,the

TMoutputfunctionmustfirstbesetupusingregisters.Asinglebitinoneoftheregistersdetermines

ifitsassociatedpinistobeusedasanexternalTMoutputpinorifitistohaveanotherfunction.

AllTMoutputpinnameshavea"_n"suffix.Pinnamesthatincludea"_1"or"_2"suffixindicate

thattheyarefromaTMwithmultipleoutputpins.ThisallowstheTMtogenerateacomplimentary

outputpair,selectedusingtheI/Oregisterdatabits.

Device

CTM

STM

ETM

HT��F6�

TP0_0� TP0_1

TP1_0� TP1_1

TP�_0� TP�_1

—

HT��F66/HT��F67

TP0_0� TP0_1

TP3_0� TP3_1

TP�_0� TP�_1

TP1A� TP1B_0�

TP1B_1� TP1B_�

TM Output Pins

HT45F65 bảng dữ liệu(PDF) 92 Page - Holtek Semiconductor Inc

HT45F65 bảng dữ liệu(HTML) 92 Page - Holtek Semiconductor Inc

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

bảng dữ liệu tải về

Link URL