HT45F65 datasheet(30/231 Pages) HOLTEK

30 / 231 page

Rev. 1.60

�ove��e� �� 01�

Rev. 1.60

�ove��e� �� 01�

HT45F65/HT45F66/HT45F67

Glucose Meter 8-Bit Flash MCU

Duringtheprogrammingprocess,takingcontrolofthePA0andRESpinsfordataandclock

programmingpurposes.Theusermusttheretakecaretoensurethatnootheroutputsareconnected

tothesetwopins.

Wr it er _V DD

DA TA

CL K

Wr it er _V SS

To o t her C ir cu it

DA TA

CL K

VS S

VD D

Wr it er C onnec to r

Si g nal s

MC U Pr og ra mm in g

Pi ns

Note:*mayberesistororcapacitor.Theresistanceof*mustbegreaterthan1korthecapacitance

of*mustbelessthan1nF.

Programmer Pin

MCU Pins

DATA

PA0

CLK

RES

In Application Programming – IAP

ThisdeviceoffersIAPfunctiontoupdatedataorapplicationprogramtoflashROM.Userscan

defineanyROMlocationforIAP,buttherearesomefeatureswhichusermustnoticeinusingIAP

function.

• Erasepage:32words/page(HT45F65)

Erasepage:64words/page(HT45F66/HT45F67)

• Writing:32words/time(HT45F65)

Writing:64words/time(HT45F66/HT45F67)

• Reading:1wod/time

In Application Programming Control Register

TheAddressregister,FARL/FARH,andtheDataregister,FD0L/FD0H,FD1L/FD1H,FD2L/FD2H

andFD3L/FD3H,locatedinDataMemoryBank0,togetherwiththeControlregister,FC0,FC1

andFC2,locatedinDataMemoryBank1arethecorrespondingFlashaccessregistersforIAP.As

indirectaddressingistheonlywaytoaccesstheFC0andFC1registers,allreadandwriteoperations

totheregistersmustbeperformedusingtheIndirectAddressingRegister,IAR1,andtheMemory

Pointer,MP1.BecausetheFC0andFC1controlregistersarelocatedattheaddressof40Hand41H

inDataMemoryBank1,theMP1MemoryPointermustfirstbesettothevalue40/41Handthe

BankPointersetto"1".

HT45F65 Datasheet(PDF) 30 Page - Holtek Semiconductor Inc

HT45F65 Datasheet(HTML) 30 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

Datasheet Download

Link URL