参数资料
型号: 48e30
厂商: Holtek Semiconductor Inc.
英文描述: 8-Bit I/O Type MCU (With EEPROM)
中文描述: 8位I / O型微控制器(带EEPROM)
文件页数: 40/44页
文件大小: 351K
代理商: 48E30
A.C. Characteristics
Ta=25
°C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VDD
Conditions
fSYS1
System Clock (Crystal OSC)
2.2V~5.5V
400
4000
kHz
3.3V~5.5V
400
8000
kHz
fSYS2
System Clock (RC OSC)
2.2V~5.5V
400
4000
kHz
3.3V~5.5V
400
8000
kHz
fTIMER
Timer I/P Frequency (TMR)
2.2V~5.5V
0
4000
kHz
3.3V~5.5V
0
8000
kHz
tWDTOSC Watchdog Oscillator Period
3V
45
90
180
ms
5V
32
65
130
ms
tWDT1
Watchdog Time-out Period (WDT OSC)
3V
Without WDT prescaler
11
23
46
ms
5V
8
17
33
ms
tWDT2
Watchdog Time-out Period (System Clock)
Without WDT prescaler
1024
tSYS
tRES
External Reset Low Pulse Width
1
ms
tSST
System Start-up Timer Period
Wake-up from HALT
1024
tSYS
tINT
Interrupt Pulse Width
1
ms
HT48E30
Rev. 0.00
5
January 12, 2004
Preliminary
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