參數(shù)資料
型號: HT48R50A
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): 7/46頁
文件大?。?/td> 1037K
代理商: HT48R50A
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
t
WDT2
Watchdog Time-out Period
(System Clock)
Without WDT
prescaler
1024
t
SYS
t
WDT3
Watchdog Time-out Period
(RTC OSC)
Without WDT
prescaler
7.812
ms
t
RES
External Reset Low Pulse
Width
1
s
t
SST
System Start-up Timer
Period
Wake-up from HALT
1024
t
SYS
t
INT
Interrupt Pulse Width
1
s
HT48R50A-1
Rev. 1.10
7
July 2, 2001
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