參數(shù)資料
型號: HT48R50-40DIP-A-0
英文描述: IC-8-BIT MCU
中文描述: 集成電路8位微控制器
文件頁數(shù): 12/59頁
文件大小: 2625K
代理商: HT48R50-40DIP-A-0
A.C. Characteristics
Ta=25
°
C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
DD
Conditions
f
SYS1
System Clock (Crystal OSC)
3V
400
4000
kHz
5V
400
8000
kHz
f
SYS2
System Clock (RC OSC)
3V
400
2000
kHz
5V
400
3000
kHz
f
TIMER
Timer I/P Frequency
(TMR, TMR0, TMR1)
3V
0
4000
kHz
5V
0
4000
kHz
t
WDTOSC
Watchdog Oscillator
45
90
180
μ
s
35
65
130
t
WDT1
Watchdog Time-out
Period (RC)
Without WDT
prescaler
12
23
45
ms
9
17
35
t
WDT2
Watchdog Time-out Period
(System Clock)
Without WDT
prescaler
1024
t
SYS
t
RE S
E xternal Reset Low Pulse
Width
1
μ
s
t
SST
System Start-up Timer
Period
Power-up or
Wake-up from
halt
1024
t
SYS
t
INT
Interrupt Pulse Width
1
μ
s
Note: t
SYS
=1/f
SYS
HT48CXX/HT48RXX
12
25th May ’99
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