參數(shù)資料
型號: HT48R30A
廠商: Holtek Semiconductor Inc.
元件分類: 數(shù)學(xué)處理器
英文描述: 8-BIT MICROCONTROLLER
中文描述: 8位微控制器
文件頁數(shù): 5/43頁
文件大小: 710K
代理商: HT48R30A
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
DD
Conditions
I
STB2
Standby Current
(WDT Disabled RTC Off)
3.3V
Noload,systemHALT
1
A
5V
2
A
I
STB3
Standby Current
(WDTDisabled,RTCOn)
3.3V
Noload,systemHALT
5
A
5V
10
A
V
IL1
Input Low Voltage for
I/O Ports
0
0.3V
DD
V
V
IH1
Input High Voltage for
I/O Ports
0.7V
DD
V
DD
V
V
IL2
Input Low Voltage (RES)
0
0.4V
DD
V
V
IH2
Input High Voltage
(RES)
0.9V
DD
V
DD
V
I
OL
I/O Port Sink Current
3.3V V
OL
=0.1V
DD
4
8
mA
5V
V
OL
=0.1V
DD
10
20
mA
I
OH
I/O Port Source
Current
3.3V V
OH
=0.9V
DD
2
4
mA
5V
V
OH
=0.9V
DD
5
10
mA
R
PH
Pull-high Resistance
3.3V
40
60
80
k
5V
10
30
50
k
V
LVR
Low Voltage Reset
3.3V option
2.7
3.0
3.3
V
A.C. Characteristics
Ta=25 C
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
V
DD
Conditions
f
SYS1
System Clock
(Crystal OSC)
3.3V
400
4000
kHz
5V
400
8000
kHz
f
SYS2
System Clock (RC OSC)
3.3V
400
4000
kHz
5V
400
8000
kHz
f
SYS3
System Clock (Internal RC)
3.3V
3.2MHz option
1600
2500
3500
kHz
5V
2000
3200
4500
kHz
f
TIMER
Timer I/P Frequency
(TMR0/TMR1)
3.3V
0
4000
kHz
5V
0
8000
kHz
t
WDTOSC
Watchdog Oscillator
3.3V
43
86
168
s
5V
36
72
144
s
t
WDT1
Watchdog Time-out Period
(WDT OSC)
3.3V
Without WDT
prescaler
11
22
43
ms
5V
9
18
37
ms
HT48R30A-1
Rev. 1.10
5
July 2, 2001
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