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HT68F13 Datasheet(PDF) 15 Page - Holtek Semiconductor Inc

Part # HT68F13
Description  Enhanced I/O Flash Type MCU
PDF  161 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT68F13 Datasheet(HTML) 15 Page - Holtek Semiconductor Inc

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 15 / 161 page
background image
Symbol
Parameter
TestConditions
Min.
Typ.
Max.
Unit
VDD
Conditions
fLIRC
SystemClock(LIRC)
5V
¾
-10%
32
+10%
kHz
2.2V~
5.5V
Ta=
-40°C~+85°C
-50%
32
+60%
kHz
fTIMER
TimerInputPinFrequency
¾
¾
¾
¾
1
fSYS
tRES
ExternalResetLowPulseWidth
¾
¾
1
¾
¾
ms
tINT
InterruptPulseWidth
¾
¾
1
¾
¾
tSYS
tLVR
LowVoltageWidthtoReset
¾
¾
120
240
480
ms
tLVD
LowVoltageWidthtoInterrupt
¾
¾
20
45
90
ms
tLVDS
LVDO stabletime
¾
¾
15
¾
¾
ms
tBGS
VBG TurnonStableTime
¾
¾
200
¾
¾
ms
tSST
SystemStart-upTimerPeriod
(Wake-upfromHALT)
¾
fSYS=HXT
¾
1024
¾
tSYS
fSYS=ERC or HIRC
¾
15~16
¾
fSYS=LIRC OSC
¾
1~2
¾
Note:
1. tSYS=1/fSYS
2.*For fERC,astheresistortolerancewillinfluencethefrequencyaprecisionresistorisrecommended.
3. To maintain the accuracy of the internal HIRC oscillator frequency, a 0.1
mF decoupling capacitor should be
connectedbetween VDD and VSS andlocatedasclosetothedeviceaspossible.
Power-onResetCharacteristics
Ta=25
°C
Symbol
Parameter
TestConditions
Min.
Typ.
Max.
Unit
VDD
Conditions
VPOR
VDD StartVoltagetoEnsure
Power-onReset
¾
¾
¾
¾
100
mV
RRVDD
VDD RaisingRatetoEnsure
Power-onReset
¾
¾
0.035
¾
¾
V/ms
tPOR
MinimumTimefor VDD Staysat
VPOR toEnsurePower-onReset
¾
¾
1
¾
¾
ms
HT68F13/HT68F14/HT68F15
EnhancedI/OFlashType MCU
Rev.1.10
15
February9,2011
T i m e
V D D
V P O R
R R V D D
t P O R



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