HT48R70A-1 Holtek Semiconductor Inc, HT48R70A-1 Datasheet - Page 7

• Manufacturer Part Number: HT48R70A-1
• Description: I/O Type 8-Bit MCU
• Manufacturer: Holtek Semiconductor Inc

A.C. Characteristics
Rev. 1.60
Symbol
f
f
f
f
t
t
t
t
t
t
t
SYS1
SYS2
SYS3
TIMER
WDTOSC
WDT1
WDT2
WDT3
RES
SST
INT
System Clock (Crystal OSC)
System Clock (RC OSC)
System Clock (Internal RC OSC)
Timer I/P Frequency (TMR)
Watchdog Oscillator Period
Watchdog Time-out Period (WDT OSC)
Watchdog Time-out Period (System Clock)
Watchdog Time-out Period (RTC OSC)
External Reset Low Pulse Width
System Start-up Timer Period
Interrupt Pulse Width
Parameter
V
5V
3V
5V
3V
5V
7
DD
2.2V~5.5V
3.3V~5.5V
2.2V~5.5V
3.3V~5.5V
3.2MHz
1.6MHz
800kHz
400kHz
2.2V~5.5V
3.3V~5.5V
Without WDT prescaler
Without WDT prescaler
Without WDT prescaler
Wake-up from HALT
Test Conditions
Conditions
HT48R70A-1/HT48C70-1
1800
Min.
400
400
400
400
900
450
225
45
32
11
0
0
8
1
1
7.812
1024
1024
Typ. Max.
90
65
23
17
4000
8000
4000
8000
5400
2700
1350
4000
8000
June 9, 2004
675
180
130
46
33
Ta=25 C
Unit
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
t
t
ms
ms
ms
SYS
SYS
s
s
s
s