HT46R47 Просмотр технического описания (PDF) - Unspecified
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Компоненты Описание
производитель
HT46R47 Datasheet PDF : 45 Pages
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HT46R47
Symbol
Parameter
RPH
Pull-high Resistance
EAD
A/D Conversion Error
Test Conditions
VDD
3.3V
Conditions
¾
5V
¾
5V
¾
Min. Typ. Max. Unit
40
60
80 kW
10
30
50 kW
¾ ±0.5 ±1 LSB
A.C. Characteristics
Ta=25°C
Symbol
Parameter
fSYS1
System Clock
(Crystal OSC)
Test Conditions
VDD
3.3V
Conditions
¾
5V
¾
Min. Typ. Max. Unit
400 ¾ 4000 kHz
400 ¾ 8000 kHz
3.3V
¾
fSYS2
System Clock (RC OSC)
5V
¾
400 ¾ 4000 kHz
400 ¾ 8000 kHz
3.3V
¾
fTIMER Timer I/P Frequency (TMR)
5V
¾
0 ¾ 4000 kHz
0 ¾ 8000 kHz
tAD
A/D Clock Period
5V
¾
tADC
A/D Conversion Time
¾
¾
3.3V
¾
tWDTOSC Watchdog Oscillator
5V
¾
1 ¾ ¾ ms
¾ 76 ¾ tAD
43 86 168 ms
36 72 144 ms
tWDT1
Watchdog Time-out Period 3.3V
(RC)
5V
¾
2.8 5.6 11 s
2.3 4.7 9.4 s
tWDT2
Watchdog Time-out Period
(System Clock)
¾
¾
217
¾
218 tSYS
tRES
External Reset Low Pulse
Width
¾
¾
1 ¾ ¾ ms
tSST
System Start-up Timer
Period
¾ Wake-up from HALT ¾ 1024 ¾ *tSYS
tINT
Interrupt Pulse Width
¾
¾
1 ¾ ¾ ms
Note: *tSYS=1/fSYS
Rev. 1.40
5
July 18, 2001
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