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HT46R4A 데이터 시트보기 (PDF) - Holtek Semiconductor
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HT46R4A
Cost-Effective A/D Type 8-Bit MCU
Holtek Semiconductor
HT46R4A Datasheet PDF : 60 Pages
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HT46R4A
A.C. Characteristics
Symbol
Parameter
f
SYS
System Clock
f
TIMER
Timer I/P Frequency (TMR)
t
WDTOSC
Watchdog Oscillator Period
t
WDT1
t
WDT2
t
RES
t
SST
t
LVR
t
INT
t
AD
t
ADC
t
ADCS
Watchdog Time-out Period (RC)
Watchdog Time-out Period
(System Clock)
External Reset Low Pulse Width
System Start-up Timer Period
Low Voltage Reset Time
Interrupt Pulse Width
A/D Clock Period
A/D Conversion Time
A/D Sampling Time
Test Conditions
V
DD
Conditions
¾
2.2V~5.5V
¾
3.3V~5.5V
¾
2.2V~5.5V
¾
3.3V~5.5V
3V
¾
5V
¾
¾
¾
¾
¾
¾
¾
¾
Wake-up from HALT
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
Min.
400
400
0
0
45
32
2
15
2
17
1
¾
0.25
1
1
¾
¾
Note: *t
SYS
=1/f
SYS
Typ.
¾
¾
¾
¾
90
65
¾
¾
¾
1024
1
¾
¾
76
32
Ta=25
°
C
Max. Unit
4000 kHz
8000 kHz
4000 kHz
8000 kHz
180
m
s
130
m
s
2
16
t
WDTOSC
2
18
t
SYS
¾
m
s
¾
*t
SYS
2
ms
¾
m
s
¾
m
s
¾
t
AD2
¾
t
AD2
Rev. 1.00
5
November 28, 2007
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