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HT86XXX Datasheet(PDF) 14 Page - Holtek Semiconductor Inc

Part # HT86XXX
Description  Voice Synthesizer 8-Bit MCU
PDF  55 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT86XXX Datasheet(HTML) 14 Page - Holtek Semiconductor Inc

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Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
VDD
Conditions
VIL2
Reset Low Voltage (RES)
3V
¾
¾
1.4
¾
V
5V
¾
2.4
¾
V
VIH2
Reset High Voltage (RES)
3V
¾
¾
2.4
¾
V
5V
¾
3.9
¾
V
fSYS
System Frequency
3V
ROSC=100k
W For HT86072, HT86144,
HT86192, HT86384 only
¾
4.0
¾
MHz
ROSC=62k
W¾
8.0
¾
MHz
ROSC=240k
W For HT86576, HT86768
only
¾
4.0
¾
MHz
ROSC=150k
W¾
8.0
¾
MHz
RPH
Pull-high Resistance
3V
¾
20
60
100
k
W
5V
10
30
50
k
W
A.C. Characteristics
Ta=25
°C
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
VDD
Conditions
fSYS1
System Clock (RC OSC)
¾ 2.4V~5.2V
4
¾
8
MHz
fSYS2
System Clock (Crystal OSC)
¾ 2.4V~5.2V
4
¾
8
MHz
fTIMER
Timer Input Frequency
¾ 2.4V~5.2V
0
¾
8
MHz
tWDTOSC Watchdog Oscillator Period
3V
¾
45
90
180
ms
5V
32
65
130
ms
tWDT1
Watchdog Time-out Period
(WDT OSC)
3V
Without WDT prescaler
11
23
46
ms
5V
8
17
33
ms
tWDT2
Watchdog Time-out Period
(System Clock)
¾ Without WDT prescaler
¾ 1024 ¾
tSYS
tWDT3
Watchdog Time-out Period
(RTC OSC)
¾ Without WDT prescaler
¾ 7.812 ¾
ms
tRES
External Reset Low Pulse Width
¾¾
1
¾¾
ms
tSST
System Start-up Timer Period
¾ Wake-up from HALT
¾ 1024 ¾
tSYS
tINT
Interrupt Pulse Width
¾¾
1
¾¾
ms
tDRT
Data ROM Access Timer
¾¾
5
¾¾
ms
tDRR
Data ROM enable Read
¾ Read after data ROM enable
30
¾¾
ms
HT86XXX
Rev. 1.90
14
January 11, 2007



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